CN205560277U

CN205560277U - Hydrogen busbar electric system

Info

Publication number: CN205560277U
Application number: CN201620222794.0U
Authority: CN
Inventors: 朱普林; 曹仕霞; 王健
Original assignee: Nanjing Chenhong Hydrogen Co Ltd
Current assignee: Nanjing Chenhong Hydrogen Co Ltd
Priority date: 2016-03-22
Filing date: 2016-03-22
Publication date: 2016-09-07
Anticipated expiration: 2026-03-22

Abstract

The utility model provides a hydrogen busbar electric system, includes first hydrogen source and second hydrogen source, still includes detection module, processing module and executable module, detection module is used for detecting busbar and output detection signal, processing module be coupled in detection module exports executive signal, the executable module be coupled in processing module moves in response to executive signal, the executable module includes first solenoid valve and the second solenoid valve that sets up respectively on first hydrogen source and second hydrogen source, when the air feed of first hydrogen source, first solenoid valve is opened, detection module detects the hydrogen pressure on the first hydrogen source, when this hydrogen pressure is less than preset pressure, detection module exports switching signal, and first solenoid valve was closed the second solenoid valve and was opened this moment, and detection module detects the hydrogen pressure on the second hydrogen source simultaneously.

Description

A kind of hydrogen bus-bar electrical system

Technical field

This utility model relates to hydrogen bus-bar field, particularly to a kind of hydrogen bus-bar electrical system.

Background technology

In order to improve work efficiency and safety in production, the origin of the single supply of single gas point is concentrated in together, the container set contained by multiple gases gets up to realize the device of central gas supply, use bus-bar first, the number of times changing steel cylinder can be saved, alleviate the labor intensity of workman and save cost of labor；Second, allow gases at high pressure manage concentratedly, it is possible to reduce the existence of potential safety hazard；3rd, space, place, space, more preferable Appropriate application place can be saved；4th, it is simple to the management of gas.Hydrogen bus-bar applies in general to the enterprise bigger to hydrogen gas consumption, its principle is to be inputted to bus-bar main pipeline, bottled gas through decompression, regulation by fixture and flexible pipe, being delivered to use building site by pipeline, it is widely used in hospital, chemical industry, welding, electronics and R&D institution.

Existing hydrogen bus-bar electrical system is numerous due to pipeline, manually go to cut off or open each collecting pipe by people to may require that bigger manpower, and owing to pipeline arrangement complex operations fault rate is higher, not only supplying unit is caused bigger loss but also affects the economic benefit using unit.

Utility model content

The purpose of this utility model is to provide a kind of hydrogen bus-bar electrical system that uninterruptedly can supply use unit with automatic switching-over pipeline.

Above-mentioned purpose of the present utility model has the technical scheme that

A kind of hydrogen bus-bar electrical system, including the first hydrogen source and the second hydrogen source, also include detection module, processing module and execution module, described detection module is used for detecting bus-bar output detections signal, described processing module is coupled to described detection module and exports execution signal, described execution module couples is in described processing module and in response to performing signalizing activity, described execution module includes the first electromagnetic valve on the first hydrogen source that is separately positioned on and the second hydrogen source and the second electromagnetic valve, when the first hydrogen gas source feed, described first electromagnetic valve is opened, described detection module detects the Hydrogen Vapor Pressure on the first hydrogen source, when this Hydrogen Vapor Pressure is less than preset pressure, described detection module output switching signal, now first closed electromagnetic valve the second electromagnetic valve is opened, now detection module detects the Hydrogen Vapor Pressure on the second hydrogen source.

nullBy using technique scheme，Utilize detection module that the pipeline on bus-bar or the hydrogen in pipeline are detected，And output detections signal，Processing module receives detection signal and exports execution signal，Perform module and include the first electromagnetic valve on the first hydrogen source that is separately positioned on and the second hydrogen source and the second electromagnetic valve，When the first hydrogen gas source feed，First electromagnetic valve is opened，Detection module detects the Hydrogen Vapor Pressure on the first hydrogen source，When this Hydrogen Vapor Pressure is less than preset pressure，Detection module output switching signal，Control first closed electromagnetic valve the second electromagnetic valve to open，Now detection module detects the second hydrogen source，Simultaneously by artificial to the first hydrogen source hydrogenation again，In like manner，It is switched to the first hydrogen source automatically by electromagnetic valve when the second hydrogen source hydrogen is finished，Thus realize automatically switching and being interrupted the effect of supply.

As improvement of the present utility model, described detection module also detects the Hydrogen Vapor Pressure on bus-bar or hydrogen purity or collecting pipe dew point or hydrogen gas leakage, and exports relevant pressure signal, purity signal, dew point signal and leakage signal.

By using technique scheme, detection module is used for detecting Hydrogen Vapor Pressure, hydrogen purity, collecting pipe dew point and the hydrogen gas leakage temperature of collecting pipe main pipe (and multiple pipeline intersection or output channel), and exports corresponding pressure signal, purity signal, dew point signal and leakage signal.

As improvement of the present utility model, described execution module includes that dropping equipment, switch unit, heat sink and alarm unit, described dropping equipment, switch unit, heat sink and alarm unit are both responsive to perform signalizing activity.

By using technique scheme, perform module and include that dropping equipment is for carrying out blood pressure lowering in hydrogen bus-bar, automatically switch to another hydrogen source when the hydrogen in one hydrogen source is finished or hydrogen purity is inadequate and realize uninterruptedly to the effect using unit supply hydrogen, heat sink prevents condensing exposure in hydrogen pipe to hydrogen pipe in the cooling of wet temp degree and drips to affect hydrogen purity, and alarm unit is used for occurring to leak alarm.

As improvement of the present utility model, described detection module includes organizing pressure transmitter more, and described pressure transmitter is arranged on collecting pipe and for detecting at the node that collecting pipe is connected and output pressure signal.

By using technique scheme, owing to the interface of the pipeline in collecting pipe Yu pipeline is more so pressure transmitter is set to many groups, it is separately positioned on node that collecting pipe is connected and exports this node and can accurately detect the pressure information that each is detected and pressure signal corresponding to exporting.

As improvement of the present utility model, described detection module includes purity test instrument, and described purity test instrument is for detecting the hydrogen purity in collecting pipe outlet tube output purity signal.

By using technique scheme, purity test instrument can be accurately detected hydrogen purity, considers between cost and practicality, and purity detecting instrument only and is arranged at the output channel of collecting pipe only with one, and output purity signal.

As improvement of the present utility model, described detection module includes dew point tester, for detecting the dew point temperature of collecting pipe on described collecting pipe, and exports dew point signal.

By using technique scheme, dew point tester is for the instrument of dew point temperature, and it is high that he has degree of accuracy, prevents pipe internal and external temperature difference from making more greatly to condense into dewdrop on collecting pipe, occurs that absorption or releasing moisture are caused measurement error by the impurity in pipeline.

As improvement of the present utility model, described detection module includes that multiple hydrogen gas leakage instrument, described hydrogen gas leakage instrument are placed on for detecting whether conveying pipe leaks on each hydrogen source conveying pipe, the output leakage signal when leakage.

By using technique scheme, hydrogen gas leakage instrument is for detecting whether collecting pipe occurs that hydrogen gas leakage causes bigger economic loss to supplier, for making detection the most accurate so hydrogen leakage detector is set to multiple for being placed on each pipeline, export leakage signal when hydrogen gas leakage being detected.

As improvement of the present utility model, described processing module is PLC.

By using technique scheme, processing module uses PLC to couple with each detector unit on detection module and export and corresponding performs signal.

As improvement of the present utility model, described PLC has been also coupled to switch and engineering machine.

By using technique scheme, PLC has been also coupled to switch and engineering machine makes, the setting of switch makes processing module connect with Ethernet, thus realize data and transmit, upload, the function such as share, arranging of engineering machine conveniently connects with man-machine interaction, thus realize remotely controlling to make whole system more automatization, while reducing manpower, conveniently control this system.

nullIn sum，This utility model has the advantages that and utilizes detection module to detect the pipeline on bus-bar or the hydrogen in pipeline，And output detections signal，Processing module receives detection signal and exports execution signal，Perform module and include the first electromagnetic valve on the first hydrogen source that is separately positioned on and the second hydrogen source and the second electromagnetic valve，When the first hydrogen gas source feed，First electromagnetic valve is opened，Detection module detects the Hydrogen Vapor Pressure on the first hydrogen source，When this Hydrogen Vapor Pressure is less than preset pressure，Detection module output switching signal，Control first closed electromagnetic valve the second electromagnetic valve to open，Now detection module detects the second hydrogen source，Simultaneously by artificial to the first hydrogen source hydrogenation again，In like manner，It is switched to the first hydrogen source automatically by electromagnetic valve when the second hydrogen source hydrogen is finished，Thus realize automatically switching and being interrupted the effect of supply.

Accompanying drawing explanation

Fig. 1 is a kind of hydrogen bus-bar electrical system connection circuit figure；

Fig. 2 is detection module connection circuit figure.

In figure, 1, detection module；11, sampling unit；12, reference cell；13, comparing unit.

Detailed description of the invention

Below in conjunction with accompanying drawing, this utility model is described in further detail.

nullWith reference to shown in Fig. 1，A kind of hydrogen bus-bar is electrically to include detection module、Processing module and execution module，Wherein detection module includes Hydrogen Vapor Pressure detector unit、Hydrogen purity measurement unit、Collecting pipe dew point detector unit and hydrogen gas leakage detector unit，Hydrogen Vapor Pressure detector unit includes multiple pressure transducer Y1-Y5，This pressure transducer is as preferably selecting Rosemount pressure transducer，It has the advantages that detection degree of accuracy is high，Detection intensity is 0-2500KPa，It is separately positioned on collecting pipe main pipe (and multiple pipeline intersection or output channel)，For detecting the pressure condition of collecting pipe，Hydrogen purity measurement unit includes purity detecting instrument CD，It is arranged on the hydrogen purity that collecting pipe leads on the outlet tube using unit in detecting pipe，Collecting pipe dew point detector unit includes dew point tester LD，For detect collecting pipe dew point temperature，It is high that he has degree of accuracy，Prevent pipe internal and external temperature difference from making more greatly to condense into dewdrop on collecting pipe，Occur that absorption or releasing moisture are caused measurement error by the impurity in pipeline，Hydrogen gas leakage detector unit includes multiple hydrogen gas leakage instrument，This hydrogen gas leakage instrument is used for detecting whether collecting pipe exists leakage phenomenon，Processing module includes PLC，The output of this processing unit performs signal，Wherein Hydrogen Vapor Pressure detector unit、Hydrogen purity measurement unit、Collecting pipe dew point detector unit and hydrogen gas leakage detector unit all pins with PLC couple，This PLC is coupled with switch and engineering machine，The setting of switch makes processing module connect with Ethernet，Thus realize data transmission、Upload、Share etc. function，Arranging of engineering machine conveniently connects with man-machine interaction，Thus realize remotely controlling to make whole system more automatization，Convenient this system of control while reducing manpower，Wherein the I/O mouth of PLC is coupled to pressure transducer Y1-Y5，Purity detecting instrument CD and dew point tester LD is coupled in the both positive and negative polarity of power supply，Realize detection and output signal alone，Wherein the output pin of PLC is also coupled to the first relay J 1 and the second relay J 2，J1 and J2 is for controlling the turn-on and turn-off of the first electromagnetic valve，Wherein，Performance element includes dropping equipment、Switch unit、Heat sink and alarm unit，Dropping equipment is the collecting pipe outside a communication chamber，This collecting pipe is provided with an electromagnetic valve，The conducting when electromagnetic valve receives execution signal，Collecting pipe is made to connect with outdoor，Switch unit includes relay contact AK1，When relay contact receives execution signal，Relay contact action，Realize the switching to hydrogen source，Two hydrogen sources are additionally provided with light emitting diode on the relay contacts，When relay contact works，The shinny warning of light emitting diode，One reminds staff to inflate the hydrogen source not having hydrogen，And two hydrogen sources can not work simultaneously，By so arranging the seriality of supply of reporting to the police，Heat sink can be extraneous to air cooling-down，Such as refrigerator、The work when devices such as air-conditioning receive execution signal，Alarm unit is buzzer warning，When receiving execution module, buzzer sends sound，To remind staff to have collecting pipe to leak.

nullEmbodiment 2，With reference to shown in Fig. 2，Detection module 1 includes sampling unit 11、Reference cell 12 and comparing unit 13，Described sampling unit 11 includes sampling resistor R1 and the varistor R0 being arranged in series，Varistor R0 changes into signal of telecommunication output the temperature signal under this state of temperature，The node output sampled voltage that sampling resistor R1 and varistor R0 couples，Varistor R0 is that the varistor of MG45 model is little owing to this varistor has volume，Precision is high，Response speed is fast，The feature of stable work in work is so conduct is preferred，This varistor is arranged in the outlet tube of hydrogen gas tank 111，Make testing result the most accurate，Reference cell 12 includes the second resistance R2 and the 3rd resistance R3 being arranged in series，The node output reference voltage that second resistance R2 and the 3rd resistance R3 couples，Comparing unit 13 includes comparator、Audion VT1，The positive input terminal of comparator and negative input end are respectively coupled to described sampling unit 11 and reference cell 12，The outfan of comparator couples the base stage of NPN audion，NPN audion is here mainly as switch element，For on or off circuit，The transmitting collection of this audion couples shot-light，When sampled voltage is less than reference voltage，NPN audion is not in conducting，Relay coil KM is made not turn off in energising，This relay coil KM controls relay field closed contact and the relay normally open contact connected with the first electromagnetic valve and the second electromagnetic valve，The relay normally open contact that this relay coil controls while relay coil KM power down disconnects，Relay normally-closed contact closes，Another electromagnetic valve is made to start working，And another group detection module 1 starts detection.

This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; the present embodiment can be made after reading this specification by those skilled in the art as required does not has the amendment of creative contribution, but as long as all being protected by Patent Law in right of the present utility model.

Claims

null1. a hydrogen bus-bar electrical system，Including the first hydrogen source and the second hydrogen source，It is characterized in that: also include detection module、Processing module and execution module，Described detection module is used for detecting bus-bar output detections signal，Described processing module is coupled to described detection module and exports execution signal，Described execution module couples is in described processing module and in response to performing signalizing activity，Described execution module includes the first electromagnetic valve on the first hydrogen source that is separately positioned on and the second hydrogen source and the second electromagnetic valve，When the first hydrogen gas source feed，Described first electromagnetic valve is opened，Described detection module detects the Hydrogen Vapor Pressure on the first hydrogen source，When this Hydrogen Vapor Pressure is less than preset pressure，Described detection module output switching signal，Now first closed electromagnetic valve the second electromagnetic valve is opened，Detection module detects the Hydrogen Vapor Pressure on the second hydrogen source simultaneously.
Hydrogen bus-bar electrical system the most according to claim 1, it is characterized in that: described detection module also detects the Hydrogen Vapor Pressure on bus-bar or hydrogen purity or collecting pipe dew point or hydrogen gas leakage, and exports relevant pressure signal, purity signal, dew point signal and leakage signal.
A kind of hydrogen bus-bar electrical system the most according to claim 1, it is characterized in that: described execution module includes that dropping equipment, switch unit, heat sink and alarm unit, described dropping equipment, switch unit, heat sink and alarm unit are both responsive to perform signalizing activity.
A kind of hydrogen bus-bar electrical system the most according to claim 2, it is characterised in that: described detection module includes organizing pressure transmitter more, and described pressure transmitter is arranged on collecting pipe and for detecting at the node that collecting pipe is connected and output pressure signal.
A kind of hydrogen bus-bar electrical system the most according to claim 2, it is characterised in that: described detection module includes purity test instrument, and described purity test instrument is for detecting the hydrogen purity in collecting pipe outlet tube output purity signal.
A kind of hydrogen bus-bar electrical system the most according to claim 2, it is characterised in that: described detection module includes dew point tester, for detecting the dew point temperature of collecting pipe on described collecting pipe, and exports dew point signal.
A kind of hydrogen bus-bar electrical system the most according to claim 2, it is characterized in that: described detection module includes multiple hydrogen gas leakage instrument, described hydrogen gas leakage instrument is placed on for detecting whether conveying pipe leaks on each hydrogen source conveying pipe, the output leakage signal when leakage.
A kind of hydrogen bus-bar electrical system the most according to claim 1, it is characterised in that: described processing module is PLC.
A kind of hydrogen bus-bar electrical system the most according to claim 8, it is characterised in that: described PLC has been also coupled to switch and engineering machine.