Summary of the invention
Based on this, it is necessary to provide a kind of detection device of micro-leakage gas, can effectively detect micro-leakage
Gas.
Its technical solution is as follows:
A kind of detection device of micro-leakage gas, comprising: one end of air inlet pipeline, the air inlet pipeline is equipped with air inlet connecting
Head, the other end are communicated with vacuum collection device;Switch valve, the switch valve are set on the air inlet pipeline, and the switch
Valve is set between the inlet suction port and the vacuum collection device, for controlling the inlet suction port and the vacuum collecting
The conducting and cut-off of device;And pressure measuring unit, the pressure measuring unit are used to measure the internal pressure of the vacuum collection device.
The detection device of above-mentioned micro-leakage gas, in use, by inlet suction port on one end of air inlet pipeline and extraneous
Detected connector be connected and sealed, connection complete after open switch valve so that air inlet pipeline be connected, when detected connector
When micro-leakage occurs for place, the high pressure gas of leakage enters in vacuum collection device through air inlet pipeline, in vacuum collection device
It slowly accumulates, is measured by pressure of the pressure measuring unit to the inside of vacuum collection device, it is micro- so as to effectively detect
Leaked gas is measured, to judge that being detected joint is leaked, and then can remind people in time to detected connector
It is repaired or replaced.
Technical solution is illustrated further below:
The detection device of micro-leakage gas further includes gas componant detection device in one of the embodiments, described
Gas componant detection device is connected to the vacuum collection device.It can detecte out micro-leakage using gas componant detection device
Gas component and ratio, so as to judge be detected connector micro-leakage gas whether be more than preset standard model
It encloses.
The detection device of micro-leakage gas further includes sealed joint pipe in one of the embodiments, and the sealing connects
One end of adapter tube is detachably connected to the vacuum collection device, and the other end detachably connects with the gas componant detection device
It is logical.Using sealed joint pipe vacuum collection device is separated to be transported, be readily transported with gas componant detection device.
The detection device of micro-leakage gas further includes non-return valve in one of the embodiments, the non-return valve setting
In on the air inlet pipeline, and the non-return valve is set between the switch valve and the vacuum collection device, for preventing
Back flow of gas in the vacuum collection device.The back flow of gas entered in vacuum collection device can be prevented using non-return valve,
It ensure that the accuracy of testing result.
The detection device of micro-leakage gas further includes exhaust valve in one of the embodiments, the exhaust valve setting
In in the vacuum collection device.It is used to for the gas in the vacuum collection device being quickly discharged using exhaust valve.
The detection device of micro-leakage gas further includes timer in one of the embodiments, and the timer is used for
Calculate the opening time of the switch valve.The opening time of switch valve can be calculated using timer, so as to close
The detection time of the detection device of the setting micro-leakage gas of reason.
Inlet suction port described in the detection device of micro-leakage gas includes that positive cable connects in one of the embodiments,
Head, cathode cable connector, insulating sheath connector, ignition electric nozzle connector, guide's nozzle connection, main burner connector or burner inner liner connector
At least one of.
The detection device of micro-leakage gas further includes control device in one of the embodiments, the control device
It is electrically connected with the pressure measuring unit and the switch valve.It is closed using control device control switch valve, so that air inlet pipeline
Cut-off, prevents the gas pressure in vacuum collection device excessively high and explodes.
The detection device of micro-leakage gas further includes display device in one of the embodiments, the display device
It is electrically connected with the control device.By display device can the related work situation to all parts be monitored and control
System, is adjusted relevant parameter.
The detection device of micro-leakage gas further includes warning device in one of the embodiments, the warning device
It is electrically connected with the control device.Remind operator's associated safety information warning in time using warning device.
Specific embodiment
It is below in conjunction with attached drawing and specifically real for the purpose of this utility model, technical solution and advantage is more clearly understood
Mode is applied, the utility model is described in further detail.It should be understood that the specific embodiments described herein
Only to explain the utility model, the protection scope of the utility model is not limited.
It should be noted that it can be directly another when element is referred to as " being set to ", " being fixedly arranged on " another element
On a element or there may also be elements placed in the middle.When element is referred to as " being fixedly arranged on " another element, or with another yuan
Part " is fixedly connected ", and can be the mode of being detachably fixed between them is also possible to non-removable fixed form.When a member
Part is considered as " connection ", " rotation connection " another element, it can be directly to another element or may be same
When there are centering elements.When an element is considered as " connection " another element, it, which can be, is communicates directly to another yuan
Part may be simultaneously present centering elements.Term as used herein "vertical", "horizontal", "left" and "right", "upper",
"lower" and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in constraint the utility model.Term " and or " used herein packet
Include any and all combinations of one or more related listed items.
The similar term such as " first " described in the utility model, " second ", " third " does not represent specific quantity and sequence,
It is only used for the differentiation of title.
As shown in Figure 1, one embodiment of the utility model discloses a kind of detection device of micro-leakage gas, packet
Include: one end of air inlet pipeline 100, air inlet pipeline 100 is equipped with inlet suction port 200, and the other end is communicated with vacuum collection device 300;
Switch valve 400, switch valve 400 are set on air inlet pipeline 100, and switch valve 400 is set to inlet suction port 200 and vacuum collecting
Between device 300, for controlling the conducting and cut-off of inlet suction port 200 Yu vacuum collection device 300;And pressure measuring unit 500, it surveys
Pressure device 500 is used to measure the internal pressure of vacuum collection device 300.
The detection device of the micro-leakage gas of above-described embodiment, in use, by the air inlet on one end of air inlet pipeline 100
Connector 200 is connected and sealed with extraneous detected connector, and connection opens switch valve 400 after completing, so that air inlet pipeline
100 conductings, when micro-leakage occurs for detected joint, the high pressure gas of leakage enters vacuum collecting through air inlet pipeline 100
It in device 300, is slowly accumulated in vacuum collection device 300, by pressure measuring unit 500 to the inside of vacuum collection device 300
Pressure measure, so as to effectively detect the gas of micro-leakage, thus judge be detected joint have occurred
Leakage, and then can remind people that detected connector is repaired or replaced in time.
It needs to be illustrated, the switch valve 400 of above-described embodiment can be motor-driven valve, pneumatic operated valve or hand-operated valve, only
Need to meet being capable of on or off air inlet pipeline 100;The vacuum collection device 300 of above-described embodiment can be to vacuumize gas
Body collecting bag vacuumizes gas collection bag or other containers vacuumized;The pressure measuring unit 500 of above-described embodiment can be pressure
Table, pressure gauge or other can be to the device that gas pressure measures;The detection device of the micro-leakage gas of the present embodiment
Micro-leakage gas suitable for the burner to gas turbine, which carries out detection or other, has the equipment of similar use demand, phase
Than the leakage situation that traditional detection device can not effectively detect minimum gas, the inspection of the micro-leakage gas of the present embodiment
Survey device can the micro-leakage gas to burner effectively detected, prevent the gas build of micro-leakage thus to combustion
The normal work of the associated components of burner interferes.
As shown in Figure 1, on the basis of the above embodiments, the detection device of micro-leakage gas further includes gas componant inspection
Device 600 is surveyed, gas componant detection device 600 is connected to vacuum collection device 300.It is right using gas componant detection device 600
The gas of micro-leakage is detected in into vacuum collection device 300, for example, gas componant detection device 600 and vacuum are received
Collect bag connection, by gas componant detection device 600 can detecte out in vacuum collecting bag the component of the gas of micro-leakage and
Ratio, so as to judge to be detected whether the gas of connector micro-leakage is more than preset critical field.The present embodiment
Gas componant detection device 600 can be detection methane (CH4) or the instrument of other imflammable gas, be also possible to detect dioxy
Change the instrument of the multiple gases such as carbon (CO2), water (H2O), nitrogen oxides (NOX).
Further, the detection device of micro-leakage gas further includes sealed joint pipe 700, and the one of sealed joint pipe 700
End is detachably connected to vacuum collection device 300, and the other end is detachably connected to gas componant detection device 600.Pass through sealing
Connecting tube 700 realizes the sealed connection of vacuum collection device 300 and gas componant detection device 600, meanwhile, utilize sealed connection
One end of pipe 700 is detachably connected to vacuum collection device 300, and the other end is detachably connected to gas componant detection device 600,
Vacuum collection device 300 is separated to be transported with gas componant detection device 600, is readily transported.The present embodiment
Detachable connection is realized by way of being threadedly engaged, so that convenient for disassembly and assembly, quick.
Based on any of the above embodiments, the detection device of micro-leakage gas further includes non-return valve 800, non-return valve
800 are set on air inlet pipeline 100, and non-return valve 800 is set between switch valve 400 and vacuum collection device 300, for preventing
The only back flow of gas in vacuum collection device 300.The gas entered in vacuum collection device 300 can be prevented using non-return valve 800
Body adverse current, ensure that the accuracy of testing result.The non-return valve 800 of the present embodiment can be swing type non-return valve or butterfly check
Valve need to only meet the back flow of gas that can prevent the inside of vacuum collection device 300.
Based on any of the above embodiments, the detection device of micro-leakage gas further includes exhaust valve 900, exhaust valve
900 are set in vacuum collection device 300.It is used to quickly arrange the gas in vacuum collection device 300 using exhaust valve 900
Out, vacuum collection device 300 quickly to carry out detection next time to prepare, improve detection efficiency.The row of the present embodiment
Air valve 900 can be motor-driven valve, pneumatic operated valve or hand-operated valve, and need to only meet can be quick by the gas in vacuum collection device 300
Discharge.
Based on any of the above embodiments, the detection device of micro-leakage gas further includes timer (not shown),
Timer is used to calculate the opening time of switch valve 400.The opening time of switch valve 400 can be counted using timer
Calculate, so as to reasonably set micro-leakage gas detection device detection time, guarantee testing result accuracy and
Validity.The timer of the present embodiment can be arbitrary can be to the device that the time is measured.
Based on any of the above embodiments, inlet suction port 200 includes positive cable connector, cathode cable connector, absolutely
At least one of edge jacket joint, ignition electric nozzle connector, guide's nozzle connection, main burner connector or burner inner liner connector.Air inlet
Connector 200 can be set to dedicated connector, may be set to be general connector, and need to only meet can be real with detected connector
Now it is tightly connected.In one embodiment, inlet suction port 200 is set as positive cable connector, cathode cable connector, insulation
Four jacket joint, ignition electric nozzle connector connectors, so as to be detected to four positions.Inlet suction port 200 can use
Insulation and high temperature resistant material, to adapt to some high voltages, applied at elevated temperature environment.
Based on any of the above embodiments, the detection device of micro-leakage gas further includes that control device (does not show
Out), control device is electrically connected with pressure measuring unit 500 and switch valve 400.When pressure measuring unit 500 measures vacuum collecting dress
When setting the pressure in 300 more than or equal to preset pressure value, measuring signal is transmitted to control device by pressure measuring unit 500, control
After device receives corresponding signal, control switch valve 400 is closed, so that air inlet pipeline 100 ends, prevents vacuum collection device
Gas pressure in 300 is excessively high and explodes.The control device of the present embodiment can be single-chip microcontroller, computer or other are specific
The device of control function.The electric connection of the present embodiment can be data line connection or other wired connection modes, be also possible to
Emitter and reception device or other radio connections are added, only need to meet and coherent signal can be transmitted.
Further, the detection device of micro-leakage gas further includes display device (not shown), display device and control
Device is electrically connected.By display device can the related work situation to all parts be monitored and control, to correlation join
Number is adjusted.The display device of the present embodiment is set as touch display screen, can be convenient, efficiently to micro-leakage gas
Detection device is monitored and controls.
Further, the detection device of micro-leakage gas further includes warning device (not shown), warning device and control
Device processed is electrically connected.When pressure measuring unit 500 measures the pressure in vacuum collection device 300 more than or equal to preset pressure value
When, warning device alarm prevents contingency to remind operator's associated safety information warning in time.This implementation
The warning device of example can be buzzer, warning lamp or other devices with alarm function.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the constraints to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.