CN216524545U - Pressure monitoring and alarming device for oil chromatography gas-carrying cylinder - Google Patents
Pressure monitoring and alarming device for oil chromatography gas-carrying cylinder Download PDFInfo
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- CN216524545U CN216524545U CN202122710557.2U CN202122710557U CN216524545U CN 216524545 U CN216524545 U CN 216524545U CN 202122710557 U CN202122710557 U CN 202122710557U CN 216524545 U CN216524545 U CN 216524545U
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Abstract
The utility model discloses a pressure monitoring and alarming device for an oil chromatography gas cylinder, which relates to the technical field of power equipment and comprises: the valve is arranged on the gas carrying bottle and used for carrying out gas path control on the gas carrying bottle; the pressure valve is arranged on a gas transmission pipeline of the gas carrying bottle and used for controlling the pipeline; the detection chamber is used for converting the air pressure of the gas carrying bottle into an electric signal for detection; a pressure plate for dividing the detection chamber into a first air chamber and a second air chamber is arranged in the detection chamber, and a pressure spring, a sliding resistor, a power supply, a circuit breaker and a current transformer are arranged in the second air chamber; one end of the pressure spring is fixed with the second air chamber, the other end of the pressure spring is connected with the pressure plate, and the pressure spring is provided with a pull rod connected with a slide sheet of the sliding resistor; the secondary side of the current transformer is connected with a relay; and the background alarm module is connected with the detection chamber through a relay. The utility model has simple structure and lower cost, saves economic benefit, reduces failure rate and improves the reliability of the power system.
Description
Technical Field
The utility model relates to the technical field of power equipment, in particular to a pressure monitoring and alarming device for an oil chromatography gas cylinder.
Background
The transformer is core equipment in the transformer substation, strengthens the monitoring dynamics to the transformer operational aspect, ensures its reliability of operation, and is significant to promoting power supply reliability of electric power system and the stability of operation. The on-line monitoring of the transformer oil chromatogram is a mature and common means in the transformer state monitoring, most of the existing on-line monitoring equipment of the oil chromatogram still has a gas carrying cylinder, and the device can not work normally when the pressure of the gas carrying cylinder is lower than 0.2MPa, and the gas carrying cylinder needs to be replaced.
In actual work on site, most of the pressure monitoring of the gas carrying cylinder of the oil chromatography online monitoring device still depends on manual inspection, or when background data of the oil chromatography online monitoring device is abnormal, a maintainer goes to the site to carry out gas carrying cylinder inspection.
Related products in the prior art are few in the market at present, and due to the lack of the real-time monitoring equipment or the alarm equipment for the gas-carrying cylinder, the situation that the gas-carrying cylinder is replaced in advance or is not replaced timely often happens, so that the waste of manpower and materials can be caused, the working continuity of the online oil chromatography monitoring equipment is interrupted, the reliability of the online monitoring device is greatly reduced, the gas-carrying cylinder cannot be replaced by early warning maintainers in advance, the failure rate of the equipment is increased, and unnecessary manpower and material resources are wasted. Some existing gas cylinder residue detection products are not provided with a background alarm module, so that a maintainer cannot remotely obtain an alarm prompt and cannot replace a gas cylinder in time or in advance, and the reliability of an online monitoring device is reduced.
Related products among the prior art can realize monitoring and alarming function's oil chromatogram carrier gas bottle pressure monitoring alarm device comprises a plurality of subassemblies such as pressure measurement module, signal conversion module, communication module, alarm module and the passageway of each module of intercommunication, and the cost is higher, and generally the dispersion is installed on the carrier gas bottle, installs and removes long time consuming, and is comparatively difficult, is unfavorable for large tracts of land popularization and application.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of disclosing a pressure monitoring and alarming device for an oil chromatography gas cylinder aiming at the defects in the prior art.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model provides an oil chromatogram carrier gas bottle pressure monitoring alarm device, includes:
the valve is arranged on the gas carrying cylinder and used for controlling the gas path of the gas carrying cylinder;
the pressure valve is arranged on a gas transmission pipeline of the gas carrying bottle and used for controlling the gas transmission pipeline;
the detection chamber is used for converting the air pressure of the gas carrying bottle into an electric signal for detection; a pressure plate for dividing the detection chamber into a first air chamber and a second air chamber is arranged in the detection chamber, and a pressure spring, a sliding resistor, a power supply, a circuit breaker and a current transformer are arranged in the second air chamber; the sliding resistor, the power supply, the circuit breaker and the current transformer form a loop, one end of the pressure spring is fixed with the second air chamber, the other end of the pressure spring is connected with the pressure plate, the pressure spring is provided with a pull rod connected with a sliding sheet of the sliding resistor, the first end of the sliding resistor is connected with the positive electrode of the power supply, the second end of the sliding resistor is connected with the first end of the circuit breaker, and the second end of the circuit breaker is connected with the negative electrode of the power supply; the secondary side of the current transformer is connected with a relay;
the background alarm module is used for receiving the detection information of the detection chamber and outputting an alarm according to the air pressure detection value; the background alarm module is connected with the detection chamber through a relay.
As a further technical scheme of the utility model, a sealing ring is arranged at a connecting port of the gas transmission pipeline and the detection chamber.
The utility model has the further technical scheme that the pressure plate is connected with the side wall of the detection chamber in a sealing way, and the pressure plate can slide along the side wall of the detection chamber under the action of pressure.
According to a further technical scheme of the utility model, a rubber layer is arranged on the side wall of the detection chamber.
The utility model has the further technical scheme that the control value of the pressure valve is 1 MPa.
The further technical scheme of the utility model is that the resistance value of the sliding resistor is 5-24 omega, and the power supply is a 24V direct current power supply.
Further, the power is a rechargeable lithium battery, and a charging interface is arranged on the outer side of the second air chamber.
As a further technical scheme of the utility model, the background alarm module is an audible and visual alarm.
Compared with the prior art, the utility model has the following advantages:
the valve in the utility model is a valve of a gas carrier bottle, and is a device for controlling the pressure of the gas carrier in the gas carrier bottle, and a gas transmission pipeline mainly transmits the pressure in the gas carrier bottle; when the gas in the gas carrier cylinder connected with the pressure valve in the device is less than a set value, the pressure valve is opened, the resistance value of the sliding resistor is changed through the pressure change of the gas chamber, so that the relay loop is connected with the loop to send an alarm signal to a background when the pressure of the gas carrier cylinder reaches the set value; the utility model has simple structure, lower cost and smaller volume, not only saves economic benefits, ensures that the oil chromatogram gas-carrying cylinder can be replaced in time, improves the working efficiency of maintainers, reduces the failure rate of the oil chromatogram on-line monitoring device, and improves the operation continuity of the oil chromatogram device, thereby improving the reliability of a power system.
Drawings
FIG. 1 is a schematic structural diagram of a pressure monitoring and alarming device for an oil chromatography gas cylinder provided by the utility model;
fig. 2 is a flow chart of the pressure monitoring and alarming device for the gas-chromatography cylinder.
Shown in the figure:
1-valve, 2-gas carrying bottle, 3-pressure valve, 4-gas transmission pipeline, 5-detection chamber, 6-relay, 7-background alarm module, 8-sealing ring;
51-first air chamber, 52-second air chamber, 53-pressure plate, 54-rubber layer;
521-pressure spring, 522-sliding resistor, 523-power supply, 524-circuit breaker and 525-current transformer.
Detailed Description
The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that functional, methodological, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.
It should be noted that the structures, proportions, sizes, and other dimensions shown in the drawings and described in the specification are only for the purpose of understanding and reading the present disclosure, and are not intended to limit the scope of the present disclosure, which is defined by the following claims, and any modifications of the structures, changes in the proportions and adjustments of the sizes, without affecting the efficacy and attainment of the same, are intended to fall within the scope of the present disclosure.
In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
Referring to fig. 1, a schematic diagram of a pressure monitoring and alarming device for an oil chromatography gas cylinder provided by the utility model is shown;
as shown in fig. 1, a pressure monitoring and alarming device for an oil chromatography gas cylinder comprises:
the valve 1 is arranged on the gas carrying bottle 2 and is used for controlling the gas path of the gas carrying bottle 2;
the pressure valve 3 is arranged on the gas transmission pipeline 4 of the gas carrying bottle 2 and is used for controlling the gas transmission pipeline 4;
a detection chamber 5 for converting the air pressure of the gas-carrying cylinder 2 into an electric signal for detection; a pressure plate 53 for dividing the detection chamber 5 into a first air chamber 51 and a second air chamber 52 is arranged in the detection chamber 5, and a pressure spring 521, a sliding resistor 522, a power supply 523, a breaker 524 and a current transformer 525 are arranged in the second air chamber 52; the sliding resistor 522, the power supply 523, the circuit breaker 524 and the current transformer 525 form a loop, one end of the pressure spring 521 is fixed with the second air chamber 52, the other end of the pressure spring 521 is connected with the pressure plate 53, a pull rod connected with a sliding sheet of the sliding resistor 522 is arranged on the pressure spring 521, the first end of the sliding resistor 522 is connected with the positive pole of the power supply 523, the second end of the sliding resistor 522 is connected with the first end of the circuit breaker 524, and the second end of the circuit breaker 524 is connected with the negative pole of the power supply 523; the secondary side of the current transformer 525 is connected with a relay 6;
the background alarm module 7 is used for receiving the detection information of the detection chamber and outputting an alarm according to the air pressure detection value; and the background alarm module 7 is connected with the detection chamber 5 through a relay 6.
In the embodiment of the utility model, a gas carrying bottle is connected with a valve, the valve is connected with a pressure valve through a pipeline, the pressure valve is connected with a first gas chamber through a gas transmission pipeline, the first gas chamber is connected with a pressure spring of a second gas chamber through a pressure plate, the pressure spring is connected with a sliding resistor, the sliding resistor, a circuit breaker, a current transformer and a power supply form a loop, a secondary terminal of the current transformer is connected with a relay, the circuit loop is acquired, and the relay is connected with a background alarm device. Wherein the valve is a gas cylinder valve and a device for controlling the pressure of the gas cylinder in the gas cylinder, and the gas transmission pipeline mainly transmits the pressure in the gas cylinder.
In the embodiment of the utility model, when the gas carrying bottle normally runs, the gas carrying bottle is output through the gas transmission pipeline, when the pressure valve detects that the gas pressure in the gas transmission pipeline is smaller than a set value, the pressure valve is opened, the gas of the gas carrying bottle is input into the first gas chamber through the gas transmission pipeline, the pressure of the first gas chamber is increased, the pressure plate is compressed downwards, at the moment, the pressure spring connected to the bottom of the pressure plate is contracted, the slide sheet is driven to move downwards through the pull rod, the resistance value of the slide resistor is reduced, the circuit breaker in the detection chamber is closed, the current value in the detection loop is increased, when the current value is increased to the set value, the relay is driven to act, the background alarm module is communicated, and an alarm is given.
When the gas in the gas carrying bottle connected with the pressure valve in the device is less than a set value, the pressure valve is opened, the resistance value of the sliding resistor is changed through the pressure change of the gas chamber, and the relay loop is connected with the loop to send an alarm signal to a background when the pressure of the gas carrying bottle reaches the set value. The utility model has simple structure, lower cost and smaller volume, not only saves economic benefits, ensures that the oil chromatogram gas-carrying cylinder can be replaced in time, improves the working efficiency of maintainers, reduces the failure rate of the oil chromatogram on-line monitoring device, and improves the operation continuity of the oil chromatogram device, thereby improving the reliability of a power system.
The background alarm module comprises an audible and visual alarm arranged on the site and a communication module for remote transmission, wherein the communication module can realize remote alarm in a wired or wireless mode and timely inform operation and maintenance personnel to maintain.
Set up sealing washer 8 in gas transmission pipeline 4 and the connection mouth department that detects room 5, seal protection, the accuracy that improves the detection to first air chamber.
In the embodiment of the utility model, the pressure plate 53 is in sealing connection with the side wall of the detection chamber 5 to ensure the sealing performance of the first air chamber, the pressure plate 53 can slide along the side wall of the detection chamber 5 under the action of pressure to stretch and contract the pressure spring, meanwhile, in order to ensure the sealing effect of the pressure plate and the detection chamber, the side wall of the detection chamber 5 is provided with the rubber layer 54, the surface of the rubber layer is smooth and elastic, the pressure plate is clamped on the rubber layer, the rubber layer has a certain extrusion effect on the side edge of the pressure plate to play a sealing role, and when the pressure in the first air chamber is increased, the pressure plate moves towards the direction of the second air chamber under the action of pressure to realize the compression of the pressure spring.
In the embodiment of the utility model, the pressure valve is a pressure control valve, the control value is 1MPa, and the pressure valve is opened when the external pressure reaches 1 MPa. The resistance value of the sliding resistor 522 is 5-24 omega, and the power supply is a 24V direct current power supply. Wherein, the power 523 is a rechargeable lithium battery, and the outer side of the second air chamber 52 is provided with a charging interface 526. The circuit breaker is used for controlling the on-off of the loop current. The relay is an intermediate relay, when the current reaches a preset value, the relay is closed, and the current is transmitted to the alarm device at the background. The background alarm module 7 is an audible and visual alarm, and can adopt a diode, a buzzer or other audible and visual equipment.
As shown in fig. 2, the specific implementation process of the present invention is as follows:
when the pressure in the gas carrying bottle is less than 1MPa, gas enters the pressure valve through the pipeline, and the pressure valve is opened;
the gas in the pressure valve enters the gas chamber 1 through a pipeline;
when the pressure of the gas in the gas chamber 1 is the same as the pressure in the pressure valve, the pressure plate acts to push the pressure spring to act;
the pressure spring pushes the sliding resistor to act, and the resistance value of the sliding resistor is reduced;
when the circuit breaker normally works, the circuit breaker is in a normally closed state, when the sliding resistance reaches 8 omega, the loop current is 3A and reaches a set value, the current collected by the secondary side of the current transformer triggers the relay to be closed, and the circuit breaker is disconnected;
the current flows to the background through the relay, and the background alarm device sends out an alarm signal.
And the background personnel inform the maintainer to replace the gas carrying bottle.
The utility model provides a pressure monitoring and alarming device for an oil chromatography gas carrier cylinder, which comprises a gas carrier cylinder, a valve, a pipeline, a pressure valve, a gas chamber, a relay and a background alarming module. The carrier gas bottle is connected with the valve, the valve is connected with the pressure valve through a pipeline, the pressure valve is connected with the air chamber through a pipeline, the air chamber is connected with the background alarm module through a relay, and the oil chromatogram on-line monitoring device is protected from equipment failure, background data interruption and loss caused by insufficient pressure of the gas bottle.
The utility model adopts the pressure spring, the sliding resistor, the relay and the alarm device, has simple structure and lower cost, is integrated by all components, is completely embedded in a small box except the gas pipe and the pressure valve to realize the characteristics of volume reduction and function integration, is easy to be assembled and disassembled by maintainers, can be assembled on a new gas carrying bottle in a shorter time after the gas carrying bottle is replaced, can be recycled, and is beneficial to large-area use and popularization of products.
The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a gas chromatography year gas cylinder pressure monitoring alarm device which characterized in that includes:
the valve is arranged on the gas carrying cylinder and used for controlling the gas path of the gas carrying cylinder;
the pressure valve is arranged on a gas transmission pipeline of the gas carrying bottle and used for controlling the gas transmission pipeline;
the detection chamber is used for converting the air pressure of the gas carrying bottle into an electric signal for detection; a pressure plate for dividing the detection chamber into a first air chamber and a second air chamber is arranged in the detection chamber, and a pressure spring, a sliding resistor, a power supply, a circuit breaker and a current transformer are arranged in the second air chamber; the sliding resistor, the power supply, the circuit breaker and the current transformer form a loop, one end of the pressure spring is fixed with the second air chamber, the other end of the pressure spring is connected with the pressure plate, the pressure spring is provided with a pull rod connected with a sliding sheet of the sliding resistor, the first end of the sliding resistor is connected with the positive electrode of the power supply, the second end of the sliding resistor is connected with the first end of the circuit breaker, and the second end of the circuit breaker is connected with the negative electrode of the power supply; the secondary side of the current transformer is connected with a relay;
the background alarm module is used for receiving the detection information of the detection chamber and outputting an alarm according to the air pressure detection value; the background alarm module is connected with the detection chamber through a relay.
2. The pressure monitoring and alarming device for the gas-chromatography gas cylinder according to claim 1, wherein a sealing ring is arranged at a connecting port of the gas transmission pipeline and the detection chamber.
3. The pressure monitoring and alarming device for the gas cylinder of the oil chromatograph is characterized in that the pressure plate is in sealing connection with the side wall of the detection chamber, and the pressure plate can slide along the side wall of the detection chamber under the action of pressure.
4. The pressure monitoring and alarming device for the gas cylinder on the oil chromatograph of claim 3, wherein a rubber layer is arranged on the side wall of the detection chamber.
5. The pressure monitoring and alarming device for the gas cylinder on the oil chromatograph of claim 1, wherein the control value of the pressure valve is 1 MPa.
6. The pressure monitoring and alarming device for the gas cylinder on the oil chromatograph of claim 1, wherein the resistance value of the sliding resistor is 5-24 Ω, and the power supply is a 24V direct current power supply.
7. The pressure monitoring and alarming device for the gas cylinder of the oil chromatograph as recited in claim 6, wherein the power supply is a rechargeable lithium battery, and a charging interface is arranged at the outer side of the second gas chamber.
8. The pressure monitoring and alarming device for the gas cylinder carried by the oil chromatograph of claim 1, wherein the background alarming module is an audible and visual alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122710557.2U CN216524545U (en) | 2021-11-06 | 2021-11-06 | Pressure monitoring and alarming device for oil chromatography gas-carrying cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122710557.2U CN216524545U (en) | 2021-11-06 | 2021-11-06 | Pressure monitoring and alarming device for oil chromatography gas-carrying cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216524545U true CN216524545U (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122710557.2U Active CN216524545U (en) | 2021-11-06 | 2021-11-06 | Pressure monitoring and alarming device for oil chromatography gas-carrying cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216524545U (en) |
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2021
- 2021-11-06 CN CN202122710557.2U patent/CN216524545U/en active Active
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