CN103940965A - Device and method for detecting gas transmitting equipment - Google Patents
Device and method for detecting gas transmitting equipment Download PDFInfo
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- CN103940965A CN103940965A CN201410175601.6A CN201410175601A CN103940965A CN 103940965 A CN103940965 A CN 103940965A CN 201410175601 A CN201410175601 A CN 201410175601A CN 103940965 A CN103940965 A CN 103940965A
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Abstract
The invention discloses a device and a method for detecting gas transmitting equipment. The device comprises a to-be-detected equipment checking box, a gas collection module and a detection host unit, wherein the to-be-detected equipment checking box is provided with a first gas inlet, a first gas outlet and a sealing bin cover; the first gas inlet is used for inputting standard gas to the to-be-detected equipment checking box; the first gas outlet is used for discharging the standard gas to the to-be-detected equipment checking box; the gas collection module is arranged in the to-be-detected equipment checking box and is connected to the detection host unit. Due to the additional arrangement of the gas collection module and the to-be-detected equipment checking box, the gas collection module and the gas transmitting equipment are used for collecting the concentration of the standard gas in the to-be-detected equipment checking box; even if the standard gas diffuses, the gas concentration collected by the gas collection module and the gas transmitting equipment can be kept consistent; therefore, the accuracy of the gas concentration collected by the gas collection module and the gas transmitting equipment is improved.
Description
Technical field
The present invention relates to the gas detection technology field in power equipment, be specifically related to a kind of gas and become assembly detection apparatus and the method sent.
Background technology
In equipment, the leakage meeting of toxic and harmful works the mischief to staff, may threat to life safety when serious, therefore, need to be at relevant occasion installing gas leakage alarm equipment, and in order to ensure the normal work of gas leakage warning equipment, need to do regular detection to gas leakage warning equipment.
At present, the detection of gas leakage panalarm normally becomes and send equipment to detect the gas in gas leakage panalarm, described gas becomes and send equipment to comprise sensor and transmitter, and sensor is that non-electric physical quantity is converted to electric signal or physical quantity is directly delivered to transmitter as pressure, liquid level etc. as temperature, pressure, gas characteristic etc.; Transmitter is that the faint electric signal that sensor is collected amplifies to pass on or start control element, or converts the non electrical quantity of sensor input to electric signal and amplify simultaneously, so that distant place measurement and control signal source.Carry out analytic explanation as an example of sulfur hexafluoride gas (SF6) example below.
Sulfur hexafluoride (SF6) gas, with insulation and the arc extinction performance of its excellence, obtains a wide range of applications in electric system, has almost become the unique insulation and the arc-extinguishing medium that in middle pressure, high pressure and ultra-high pressure switch, use.Just because of a large amount of uses of sulfur hexafluoride (SF6) gas, its security has also been subject to people's extensive concern.Objectively say, sulfur hexafluoride (SF6) gas be a kind of colourless, tasteless, density is heavier than air, be difficult for and the mixed inert gas of air, and human body is not had to toxicity.But under the effect of high-voltage arc or when high temperature, sulfur hexafluoride (SF
6) decomposed can occur gas, and its analyte often contains severe toxicity, even if micro-, also can cause people's unnatural death.When using with sulfur hexafluoride (SF
6) gas is insulation and the cubicle switch of arc-extinguishing medium while in use leaking, the sulfur hexafluoride (SF leaking out
6) gas and analyte thereof can gather toward indoor low layer space, causes local anoxic and band poison, formed serious danger to entering indoor staff's life security.Therefore, China's " electrical safe working order " special provision, must install oxygen (O in relevant place
2) and sulfur hexafluoride (SF
6) gas leakage panalarm, and necessary compound ventilation air-changing device is installed.Described oxygen (O
2) and sulfur hexafluoride (SF
6) gas reveal panalarm for detection of oxygen (O
2) and sulfur hexafluoride (SF
6) concentration of gas, as oxygen (O
2) and sulfur hexafluoride (SF
6) concentration of gas gives the alarm while reaching the standard of setting.If oxygen (O
2) and sulfur hexafluoride (SF
6) gas reveal panalarm detect result inaccurate, for example, to sulfur hexafluoride (SF
6) testing result of gas is seriously on the low side compared with the fact, so staff's life security formed to serious danger, so, to oxygen (O
2) and sulfur hexafluoride (SF
6) to reveal the detection of panalarm most important for gas.
At present, prior art is used special gas leak detection apparatus to reveal panalarm to sulfur hexafluoride (SF6) and detects, and this pick-up unit comprises standard gas generating apparatus and detects main frame.In the time that pick-up unit send equipment to detect to the gas change in sulfur hexafluoride (SF6) leakage panalarm, the standard gas generating apparatus in pick-up unit is set respectively the concentration of oxygen (O2) and sulfur hexafluoride (SF6) gas and the calibrating gas of the oxygen configuring (O2) and sulfur hexafluoride (SF6) gas composition is directly covered to sulfur hexafluoride (SF by gas piping
6) reveal gas in panalarm and become the sensor that gives equipment; Described change send equipment to gather and be sent to detection main frame to the gas concentration data of calibrating gas; Whether the more described change of staff send gas concentration data that equipment the collects gas concentration data set with standard gas generating apparatus in pick-up unit consistent, if inconsistent, determine that the change in this sulfur hexafluoride (SF6) leakage panalarm send equipment to occur extremely needing to proofread and correct in the process that gathers and transmit gas signal.
Applicant finds that above-mentioned prior art at least exists following technical matters in the time that enforcement is of the present invention:
When sulfur hexafluoride (SF6) the leakage alarm detector of prior art detects sulfur hexafluoride (SF6) gas detection alarm equipment, standard gas generating apparatus in pick-up unit is set respectively the concentration of oxygen (O2) and sulfur hexafluoride (SF6) gas and the calibrating gas being made up of sulfur hexafluoride (SF6) gas and oxygen (O2) configuring is directly covered to gas in sulfur hexafluoride (SF6) gas detection alarm equipment by gas piping and becomes the sensor that send equipment, become owing to covering described gas the Standard Gases cognition diffusion dilution in air that send sensor in equipment, the gas concentration that the standard gas generating apparatus that gas is become send in gas concentration and the pick-up unit that equipment collects sets is inconsistent, thereby may cause sulfur hexafluoride (SF
6) become the error recovery of sending equipment in gas detection alarm equipment, make sulfur hexafluoride (SF
6) gas concentration that detects down in working order of gas detection alarm equipment is less than actual gas concentration and occurs the situation of false alarm.
Summary of the invention
In view of the above problems, the invention provides a kind of gas change and send assembly detection apparatus, described device comprises:
UC case to be checked, gas collecting module, detection main frame;
Described UC case to be checked is provided with the first air intake opening, the first gas outlet and gas-tight silo lid; Described the first air intake opening is for inputting calibrating gas to described UC case to be checked, and described the first gas outlet is for discharging calibrating gas from described UC case to be checked;
Wherein, described gas collecting module is arranged in described UC case to be checked, and is connected to described detection main frame.
The present invention provides on the other hand a kind of gas to become and has sent equipment detection method, and described method comprises:
Gas is become to the gas-tight silo lid that send equipment to put into UC case to be checked and to close described UC case to be checked to be sealed described UC case to be checked, described UC case to be checked is built-in with gas collecting module, on described UC case to be checked, is provided with the first air intake opening and the first gas outlet;
Calibrating gas is inputted to described UC case to be checked by the first air intake opening;
Described gas change send equipment gather the gas concentration data of gas in described UC case to be checked and be sent to detection main frame;
Described gas collecting module gathers the gas concentration data of described UC case Plays gas to be checked and is sent to detection main frame;
Whether the gas concentration data that more described gas collecting module gathers and described gas become the gas concentration data of sending equipment to gather consistent, if consistent, determine that described gas becomes to send equipment normal; If inconsistent, unit exception is sent in definite described gas change;
After detection finishes, the calibrating gas in described UC case to be checked is discharged by the first gas outlet.
Gas that the embodiment of the present invention provides becomes and send equipment detection method and device, increased gas collecting module and UC case to be checked and UC case to be checked in the time that described gas becomes the pick-up unit operation of sending equipment in sealing state.It is all that the gas concentration for the treatment of in machine equipment checking box gathers that equipment is sent in gas change in gas collecting module and gas detection alarm device in pick-up unit, even if gas spreads, also can make described gas collecting module and gas become and send the gas concentration that equipment gathers to be consistent, increase described gas collecting module and gas and become the accuracy of sending gas concentration that equipment gathers.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of instructions, and for above and other objects of the present invention, feature and advantage can be become apparent, below especially exemplified by the specific embodiment of the present invention.
Brief description of the drawings
By reading below detailed description of the preferred embodiment, various other advantage and benefits will become cheer and bright for those of ordinary skill in the art.Accompanying drawing is only for the object of preferred implementation is shown, and do not think limitation of the present invention.And in whole accompanying drawing, represent identical parts by identical reference symbol.In the accompanying drawings:
Fig. 1-a a kind of gas change providing according to the embodiment of the present invention one is provided and send assembly detection apparatus schematic diagram;
Fig. 1-b a kind of gas change providing according to preferred embodiment in the embodiment of the present invention one is provided and send assembly detection apparatus schematic diagram;
Fig. 2-a a kind of gas change providing according to the embodiment of the present invention two is provided and send assembly detection apparatus schematic diagram;
Fig. 2-b a kind of gas change providing according to preferred embodiment in the embodiment of the present invention two is provided and send assembly detection apparatus schematic diagram.
Fig. 3 a kind of gas change providing according to the embodiment of the present invention three is provided and send equipment detection method process flow diagram.
Embodiment
The exemplary embodiment that the embodiment of the present invention provides is described below with reference to accompanying drawings in more detail.Although shown the exemplary embodiment in the embodiment of the present invention in accompanying drawing, but should be appreciated that and can realize the embodiment of the present invention and the embodiment that should do not set forth limits here with various forms.On the contrary, it is in order more thoroughly to understand the embodiment of the present invention that these embodiment are provided, and can be by the those skilled in the art that the conveys to complete scope of the embodiment of the present invention.
Embodiment mono-
Referring to Fig. 1-a, Fig. 1-a illustrates that a kind of gas that the invention process one example provides becomes and send assembly detection apparatus, and this pick-up unit comprises:
UC case to be checked, gas collecting module, detection main frame;
Described UC case to be checked is provided with the first air intake opening, the first gas outlet and gas-tight silo lid; Described the first air intake opening is for inputting calibrating gas to UC case to be checked, and described the first gas outlet is for discharging calibrating gas from UC case to be checked;
Wherein, described gas collecting module is arranged in described UC case to be checked, and is connected to described detection main frame.
Using described pick-up unit to becoming while sending equipment to detect, first gas is become and send equipment to put into described UC case to be checked, and close gas-tight silo lid and seal UC case to be checked; Then, calibrating gas is inputted to described UC case to be checked by the first air intake opening of described UC case to be checked; After end to be detected, then by the first gas outlet of described UC case to be checked, calibrating gas is discharged.
In testing process, gas collecting module gathers the gas concentration data in described UC case to be checked, then sends collected gas concentration data to detection main frame; Meanwhile, gas change to be detected send equipment also the gas concentration data in described UC case to be checked to be gathered by sensor and transmitter, then sends collected gas concentration data to detection main frame.
Whether detecting gas concentration data that main frame more described gas collecting module gathers and gas to be detected, to become the gas concentration data of sending equipment to collect consistent, if unanimously, gas change send equipment without correction; If inconsistent, unit exception is sent in definite this change.
Wherein, be arranged on gas collecting module in UC case to be checked for gathering the gas concentration data of checking box, this gas collecting module can be gas sensor or other arbitrary gas harvester, for example, gas optical sensor, the concentration data of determining current gas by gas is carried out to chromatogram sample analysis, the present invention does not do concrete restriction to the formation of gas collecting module.
The change that the embodiment of the present invention provides send assembly detection apparatus to send equipment to carry out detection check to any one change at present, and the present invention does not do concrete restriction to this.Send equipment Inspection to describe the content of the embodiment of the present invention as example sulfur hexafluoride (SF6) is revealed to change in panalarm below for the ease of it will be appreciated by those skilled in the art that.
When the pick-up unit of prior art detects sulfur hexafluoride (SF6) gas detection alarm equipment, standard gas generating apparatus in pick-up unit becomes by the direct blanketing gas of gas piping the sensor sending in equipment by the calibrating gas being made up of sulfur hexafluoride (SF6) gas and oxygen (O2) configuring, become owing to covering described gas the Standard Gases cognition diffusion dilution in air that send sensor in equipment, can cause becoming the error recovery of sending equipment in sulfur hexafluoride (SF6) gas detection alarm equipment, the gas concentration that sulfur hexafluoride (SF6) gas detection alarm equipment is detected down is in working order less than actual gas concentration, therefore cause testing result inconsistent and occur the situation of false alarm, and cover described gas and become and send the Standard Gases of sensor in equipment to know from experience to spread in air, because the analyte of sulfur hexafluoride (SF6) gas often contains severe toxicity and sulfur hexafluoride (SF6) gas that diffuses out and analyte thereof can gather toward indoor low layer space, cause local anoxic and band poison, formed serious danger to entering indoor staff's life security.
Compared with prior art, the pick-up unit that the present embodiment provides increased gas collecting module and UC case to be checked and UC case to be checked in the time that described gas becomes the pick-up unit operation of sending equipment in sealing state.It is all that the gas concentration for the treatment of in machine equipment checking box gathers that equipment is sent in gas change in gas collecting module in pick-up unit and sulfur hexafluoride (SF6) gas detection alarm equipment, even if gas spreads, also can make described gas collecting module and gas become send the gas concentration that equipment gathers to be consistent, increase described gas collecting module and gas and become the accuracy of sending gas concentration that equipment gathers, and UC case to be checked in the time that described gas becomes the pick-up unit operation of sending equipment in sealing state, so not having gas diffuses out staff is worked the mischief.
Referring to Fig. 1-b, the pick-up unit that the embodiment of the present invention provides further comprises:
Standard gas generating apparatus, generates calibrating gas for the gas concentration by setting; Described standard gas generating apparatus is connected with described detection main frame; Described standard gas generating apparatus is provided with the 3rd air intake opening and the 3rd gas outlet; The 3rd gas outlet of described standard gas generating apparatus is connected by gas piping with the first air intake opening of described UC case to be checked.
First described standard gas generating apparatus is set the gas concentration after configuration; Secondly, the gas entering by described the 3rd air intake opening is continuously mixed by constant ratio, thereby obtain certain density calibrating gas; Then the gas concentration after, to be configured is delivered to UC case to be checked while stablizing.
Described standard gas generating apparatus has increased serial communication function, can make described standard gas generating apparatus be connected with described detection main frame, and described detection main frame can Long-distance Control described in standard gas generating apparatus.So-called serial communication refers to peripheral hardware and intercomputer, and by data signal line, ground wire, control line etc., a kind of communication modes of data is transmitted in step-by-step.
The standard gas generating apparatus of the present embodiment has increased serial communication function, can make described standard gas generating apparatus be connected with described detection main frame, make to detect main frame can Long-distance Control described in standard gas generating apparatus, realize uniting and adjustment and automatically control; And standard gas generating apparatus can be set gas concentration, and corresponding program is kept to the local disk of described standard gas generating apparatus, in the time that gas change send the pick-up unit of equipment to send equipment to detect to the gas change in gas detection alarm equipment, described standard gas generating apparatus can provide the calibrating gas of corresponding concentration rapidly, and raising gas becomes the detection speed of the pick-up unit that send equipment.
In another preferred embodiment of the present invention, on described UC case to be checked, be provided with serial connection interface, described serial connection interface is used for connecting gas leakage warning equipment.
The gas connecting in gas leakage warning equipment and UC case to be checked by the serial connection interface on UC case to be checked becomes the equipment that send, if becoming, described gas send equipment through detecting and can normally work in advance, can further judge so whether described gas leakage warning equipment exists extremely, for example: set in advance gas leakage warning equipment generation report to the police time gas concentration warning value, when judgement send gas concentration data that equipment gathers to reach this default gas concentration warning value when gas change, the whether alarm of this gas leakage warning equipment, if there is no alarm, can determine this gas leakage warning unit exception, need to proofread and correct.
Embodiment bis-
Referring to Fig. 2-a, the embodiment of the present invention provides a kind of gas to become and has sent assembly detection apparatus, and this pick-up unit comprises:
UC case to be checked, multiple gas piping, gas collecting module, detection main frame mouth, emptying air intake opening; Two-position two-way solenoid valve V1, V2, three-way solenoid valve X1, X2, vacuum pump M1, emptying gas outlet;
Described UC case to be checked is provided with the first air intake opening, the first gas outlet and gas-tight silo lid; Described the first air intake opening is for inputting calibrating gas to described UC case to be checked, and described the first gas outlet is for discharging calibrating gas from described UC case to be checked; One of them two-position two-way solenoid valve V1 is provided with interface D1, D2; Another two-position two-way solenoid valve V2 is provided with interface D8, D9; Described three-way solenoid valve X1 is provided with interface D3, D4, D5; Described three-way solenoid valve X2 is provided with interface D6, D7; Described vacuum pump M1 is provided with the second air intake opening and the second gas outlet;
Wherein, described gas collecting module is arranged in described UC case to be checked, and is connected to described detection main frame;
Described emptying air intake opening is connected with the interface D1 of described two-position two-way solenoid valve V1; The interface D2 of described two-position two-way solenoid valve V1 is connected by described gas piping with the interface D3 of described three-way solenoid valve X1; The interface D4 of described three-way solenoid valve X1 is used for inputting calibrating gas, and the interface D5 of described three-way solenoid valve X1 is connected by described gas piping with the first air intake opening of described UC case to be checked; The first gas outlet of described UC case to be checked is connected by described gas piping with the interface D8 of described two-position two-way solenoid valve V2; The interface D9 of described two-position two-way solenoid valve V2 is connected by described gas piping with the second air intake opening of described vacuum pump M1; The second gas outlet of described vacuum pump M1 is connected by described gas piping with the interface D6 of described three-way solenoid valve X2; The interface D7 of described three-way solenoid valve X2 is connected by described gas piping with described emptying gas outlet.
When pick-up unit becomes while sending equipment Inspection to complete gas, in described UC case to be checked, can there is the residual of gas, therefore, the present embodiment has increased the emptying unit of gas so that residual gas in emptying UC case to be checked in time.Referring to Fig. 2-a, the emptying unit of described gas is at least by emptying air intake opening, two-position two-way solenoid valve V1, the first air intake opening of three-way solenoid valve X1, UC case to be checked and the first gas outlet, two-position two-way solenoid valve V2, vacuum pump M1, three-way solenoid valve X2, emptying gas outlet composition, the implementation process of the emptying unit of described gas vent gas is as follows:
First, air is inputed to two-position two-way solenoid valve V1 by emptying air intake opening, described two-position two-way solenoid valve V1 is input to air the first air intake opening of UC case to be checked by three-way solenoid valve X1.Described two-position two-way solenoid valve V1 is in opening in the time of exhaust, and air can be entered described gas and become by described two-position two-way solenoid valve V1 other parts of the pick-up unit that send equipment; Described gas change send the pick-up unit of equipment in the time that change send equipment to detect to gas, and described two-position two-way solenoid valve V1 is in closure state, and outside air can not enter described two-position two-way solenoid valve V1.
Secondly, vacuum pump M1 extracts the air in UC case to be checked out by the two-position two-way solenoid valve V2 being connected with UC case to be checked the first gas outlet, and outputs to emptying gas outlet by three-way solenoid valve X2.Described two-position two-way solenoid valve V2, in the time that to gas, change send equipment to detect, between described interface D8 in described two-position two-way solenoid valve V2 and D9, in closure state, so just can ensure that air can not enter described UC case to be checked by described emptying gas outlet in the time detecting; In the time of air-discharging, between described interface D8 in described two-position two-way solenoid valve V2 and D9 in connected state.
The gas of prior art becomes the pick-up unit that send equipment, in the time that the gas change in gas alarm equipment send equipment Inspection to complete, due to the impact of residual gas, can not carry out next gas at once and become the detection of sending equipment.Compared with prior art, the present embodiment has increased the emptying unit of gas, in the time that the gas change in a upper gas leakage warning equipment send equipment Inspection to complete, use the emptying unit of the gas residual gas in emptying UC case to be checked rapidly, carry out next gas and become the detection of sending equipment, there is detection speed fast, the feature that work efficiency is high.
Referring to Fig. 2-b, the pick-up unit that the embodiment of the present invention two provides further comprises:
Two-position three way magnetic valve V3, three-way solenoid valve X3 and pressure sensing cell;
Described two-position three way magnetic valve V3 is provided with interface D10, D11, D12, and described three-way solenoid valve X3 is provided with interface D13, D14, D15;
The interface D10 of described two-position three way magnetic valve V3 is used for inputting calibrating gas, and the interface D12 of described two-position three way magnetic valve V3 is connected by described gas piping with the interface D4 of described three-way solenoid valve X1; The interface D11 of described two-position three way magnetic valve V3 is connected by described gas piping with the interface outside interface D6 in described three-way solenoid valve X2 and D7.
The interface D5 of described three-way solenoid valve X1 is connected by described gas piping with the interface D13 of three-way solenoid valve X3; The interface D15 of described three-way solenoid valve X3 is connected by described gas piping with the first air intake opening of described UC case to be checked; The interface D14 of described three-way solenoid valve X3 is connected with described pressure sensing cell; Described pressure sensing cell is connected with described detection main frame.
Described two-position three way magnetic valve V3 under normal condition, between the interface D10 of described three-way solenoid valve X1 and D11 in connected state, between the interface D10 of described three-way solenoid valve X1 and D12 in closure state; Pressure sensing cell detects and enters the gas flow whether described three-way solenoid valve X1 gas flow is greater than the required use of described UC case to be checked, if while being greater than, described pressure sensing cell arranges between the interface D10 of three-way solenoid valve X1 and D11 in closure state by detecting main frame, between the interface D10 of described three-way solenoid valve X1 and D12 in connected state.
The gas of prior art becomes the pick-up unit that send equipment gas is become while sending equipment to detect, if become and send the gas flow of equipment to be greater than needed flow by gas, the concentration of gas will change, the pressure of corresponding gas also can be ensued variation, the gas concentration that will cause so described gas to become to send equipment to collect is inconsistent with the gas concentration that described standard gas generating apparatus sets, and causes the result of detection to occur error.
The present embodiment has increased two-position three way magnetic valve V3, three-way solenoid valve X3 and pressure sensing cell, whether detection main frame detects gas in UC case to be checked pressure by being connected to the pressure sensing cell of described three-way solenoid valve X3 mates with default gas pressure value, if do not mate, the gas flow entering in described UC case to be checked is greater than needed gas flow, and described two-position three way magnetic valve V3 adjusts the gaseous tension in UC case to be checked by the input flow rate of adjustment criteria gas.Unnecessary gas flow is shunted from the interface D11 of described two-position three way magnetic valve V3, and this shunting gas more described three-way solenoid valve V2 in gas piping, emptying gas circuit enters emptying gas outlet and is drained.Therefore, compared with prior art, it is stable that the gas that this enforcement provides becomes the concentration maintenance of sending assembly detection apparatus can make gas, thereby make testing result more accurate.
Embodiment tri-
Referring to Fig. 3, the embodiment of the present invention provides a kind of gas to become and has sent equipment detection method, and the method comprises:
S101, gas is become to the gas-tight silo lid that send equipment to put into UC case to be checked and to close described UC case to be checked to be sealed described UC case to be checked, described UC case to be checked is built-in with gas collecting module, on described UC case to be checked, is provided with the first air intake opening and the first gas outlet.
S102, inputs described UC case to be checked by calibrating gas by the first air intake opening.
S103, described gas change send equipment gather the gas concentration data of gas in described UC case to be checked and be sent to detection main frame.
S104, described gas collecting module gathers the gas concentration data of described UC case Plays gas to be checked and is sent to detection main frame.
S105, whether the gas concentration data that more described gas collecting module gathers and described gas become the gas concentration data of sending equipment to gather consistent, if consistent, determine that described gas becomes to send equipment normal; If inconsistent, unit exception is sent in definite described gas change.
S106, discharges the calibrating gas in described UC case to be checked after detection finishes by the first gas outlet.
Further, described method also comprises:
Air is inputed to two-position two-way solenoid valve V1 by emptying air intake opening, and described two-position two-way solenoid valve V1 is input to air the first air intake opening of UC case to be checked by three-way solenoid valve X1;
Vacuum pump M1 extracts the air in UC case to be checked out by the two-position two-way solenoid valve V2 being connected with UC case to be checked the first gas outlet, and outputs to emptying gas outlet by three-way solenoid valve X2;
Described by calibrating gas by the described UC case to be checked of the first air intake opening input, specifically comprise:
Calibrating gas is input to the first air intake opening and is inputted UC case to be checked by three-way solenoid valve X1;
After described detection finishes, the calibrating gas in described UC case to be checked is discharged by the first gas outlet, specifically comprises:
After detection finishes, the calibrating gas in described UC case to be checked is inputed to two-position two-way solenoid valve V1 by the first gas outlet, described two-position two-way solenoid valve V1 inputs to three-way solenoid valve X2 by calibrating gas by vacuum pump M1, and described three-way solenoid valve X2 discharges calibrating gas by emptying gas outlet.
Further, described calibrating gas be input to the first air intake opening and inputted UC case to be checked by three-way solenoid valve X1, specifically comprise:
Calibrating gas is inputed to described three-way solenoid valve X1 by the interface D12 of two-position three way magnetic valve V3, described three-way solenoid valve X1 is by calibrating gas by the interface D13 input three-way solenoid valve X3 of three-way solenoid valve X3, and described three-way solenoid valve X3 is input to described UC case to be checked by calibrating gas by the first air intake opening;
Described method also comprises:
Whether detection main frame detects gas in UC case to be checked pressure by being connected to the pressure sensing cell of described three-way solenoid valve X3 mates with default gas pressure value, if do not mate, by the input flow rate of described two-position three way magnetic valve V3 adjustment criteria gas, the gaseous tension in UC case to be checked is adjusted to default gas pressure value
Further, described by calibrating gas by also comprising before the described UC case to be checked of the first air intake opening input:
Use standard gas generating apparatus to generate calibrating gas according to the gas concentration of setting.
Further, whether the gas concentration data that described gas collecting module gathers and described gas become the gas concentration data of sending equipment to gather consistent, if consistent, determine that described gas becomes to send equipment normal; If inconsistent, determine that described gas change also comprises after sending unit exception:
For becoming without the described gas of proofreading and correct the equipment that send, connect gas leakage warning equipment by the serial connection interface arranging on described UC case to be checked, in the time that gas concentration reaches predetermined value, judge that whether the work of gas leakage warning equipment is normal.
In the instructions that provided herein, a large amount of details are described.But, can understand, embodiments of the invention can be put into practice in the situation that there is no these details.In some instances, be not shown specifically known method, structure and technology, so that not fuzzy understanding of this description.
Similarly, be to be understood that, in order to simplify the present invention and to help to understand one or more in each inventive aspect, in the above in the description of exemplary embodiment of the present invention, each feature of the present invention is grouped together into single embodiment, figure or sometimes in its description.But, the method for the disclosure should be construed to the following intention of reflection: the present invention for required protection requires than the more feature of feature of clearly recording in each claim.Or rather, as reflected in claims below, inventive aspect is to be less than all features of disclosed single embodiment above.Therefore, claims of following embodiment are incorporated to this embodiment thus clearly, and wherein each claim itself is as independent embodiment of the present invention.
Those skilled in the art are appreciated that and can the module in the equipment in embodiment are adaptively changed and they are arranged in one or more equipment different from this embodiment.Module in embodiment or unit or assembly can be combined into a module or unit or assembly, and can put them in addition multiple submodules or subelement or sub-component.At least some in such feature and/or process or unit are mutually repelling, and can adopt any combination to combine all processes or the unit of disclosed all features in this instructions (comprising claim, summary and the accompanying drawing followed) and disclosed any method like this or equipment.Unless clearly statement in addition, in this instructions (comprising claim, summary and the accompanying drawing followed) disclosed each feature can be by providing identical, be equal to or the alternative features of similar object replaces.
In addition, those skilled in the art can understand, although embodiment more described herein comprise some feature instead of further feature included in other embodiment, the combination of the feature of different embodiment means within scope of the present invention and forms different embodiment.For example, in the following claims, the one of any of embodiment required for protection can be used with array mode arbitrarily.
It should be noted above-described embodiment the present invention will be described instead of limit the invention, and those skilled in the art can design alternative embodiment in the case of not departing from the scope of claims.In the claims, any reference symbol between bracket should be configured to limitations on claims.Word " comprises " not to be got rid of existence and is not listed as element or step in the claims.Being positioned at word " " before element or " one " does not get rid of and has multiple such elements.The present invention can be by means of including the hardware of some different elements and realizing by means of the computing machine of suitably programming.In the unit claim of having enumerated some devices, several in these devices can be to carry out imbody by same hardware branch.The use of word first, second and C grade does not represent any order.Can be title by these word explanations.
Claims (10)
1. an assembly detection apparatus is sent in gas change, it is characterized in that, described device comprises:
UC case to be checked, gas collecting module, detection main frame;
Described UC case to be checked is provided with the first air intake opening, the first gas outlet and gas-tight silo lid; Described the first air intake opening is for inputting calibrating gas to described UC case to be checked, and described the first gas outlet is for discharging calibrating gas from described UC case to be checked;
Wherein, described gas collecting module is arranged in described UC case to be checked, and is connected to described detection main frame.
2. assembly detection apparatus is sent in gas change as claimed in claim 1, it is characterized in that, described device also comprises:
Emptying air intake opening, emptying gas outlet, two-position two-way solenoid valve (V1, V2), three-way solenoid valve (X1, X2), vacuum pump (M1) and multiple gas piping;
One of them two-position two-way solenoid valve (V1) is provided with interface (D1, D2); Another two-position two-way solenoid valve (V2) is provided with interface (D8, D9); Described three-way solenoid valve (X1) is provided with interface (D3, D4, D5); Described three-way solenoid valve (X2) is provided with interface (D6, D7); Described vacuum pump (M1) is provided with the second air intake opening and the second gas outlet;
Described emptying air intake opening is connected with the interface (D1) of described two-position two-way solenoid valve (V1); The interface (D2) of described two-position two-way solenoid valve (V1) is connected by described gas piping with the interface (D3) of described three-way solenoid valve (X1); The interface (D4) of described three-way solenoid valve (X1) is for inputting calibrating gas, and the interface (D5) of described three-way solenoid valve (X1) is connected by described gas piping with the first air intake opening of described UC case to be checked; The first gas outlet of described UC case to be checked is connected by described gas piping with the interface (D8) of described two-position two-way solenoid valve (V2); The interface (D9) of described two-position two-way solenoid valve (V2) is connected by described gas piping with the second air intake opening of described vacuum pump (M1); The second gas outlet of described vacuum pump (M1) is connected by described gas piping with the interface (D6) of described three-way solenoid valve (X2); The interface (D7) of described three-way solenoid valve (X2) is connected by described gas piping with described emptying gas outlet.
3. assembly detection apparatus is sent in gas change as claimed in claim 2, it is characterized in that, described device also comprises:
Two-position three way magnetic valve (V3), three-way solenoid valve (X3) and pressure sensing cell;
Described two-position three way magnetic valve (V3) is provided with interface (D10, D11, D12), and described three-way solenoid valve (X3) is provided with interface (D13, D14, D15);
The interface (D10) of described two-position three way magnetic valve (V3) is for inputting calibrating gas, and the interface (D12) of described two-position three way magnetic valve (V3) is connected by described gas piping with the interface (D4) of described three-way solenoid valve (X1); The interface (D11) of described two-position three way magnetic valve (V3) is connected by described gas piping with the interface outside interface (D6, D7) in described three-way solenoid valve (X2).
The interface (D5) of described three-way solenoid valve (X1) is connected by described gas piping with the interface (D13) of three-way solenoid valve (X3); The interface (D15) of described three-way solenoid valve (X3) is connected by described gas piping with the first air intake opening of described UC case to be checked; The interface (D14) of described three-way solenoid valve (X3) is connected with described pressure sensing cell; Described pressure sensing cell is connected with described detection main frame.
4. assembly detection apparatus is sent in gas change as claimed in claim 1, it is characterized in that, described device also comprises:
Standard gas generating apparatus, generates calibrating gas for the gas concentration by setting; Described standard gas generating apparatus is connected with described detection main frame; Described standard gas generating apparatus is provided with the 3rd air intake opening and the 3rd gas outlet; The 3rd gas outlet of described standard gas generating apparatus is connected by gas piping with the first air intake opening of described UC case to be checked.
5. assembly detection apparatus is sent in gas change as claimed in claim 1, it is characterized in that, on described UC case to be checked, be provided with serial connection interface, described serial connection interface is used for connecting gas leakage warning equipment.
6. an equipment detection method is sent in gas change, comprising:
Gas is become to the gas-tight silo lid that send equipment to put into UC case to be checked and to close described UC case to be checked to be sealed described UC case to be checked, described UC case to be checked is built-in with gas collecting module, on described UC case to be checked, is provided with the first air intake opening and the first gas outlet;
Calibrating gas is inputted to described UC case to be checked by the first air intake opening;
Described gas change send equipment gather the gas concentration data of gas in described UC case to be checked and be sent to detection main frame;
Described gas collecting module gathers the gas concentration data of described UC case Plays gas to be checked and is sent to detection main frame;
Whether the gas concentration data that more described gas collecting module gathers and described gas become the gas concentration data of sending equipment to gather consistent, if consistent, determine that described gas becomes to send equipment normal; If inconsistent, unit exception is sent in definite described gas change;
After detection finishes, the calibrating gas in described UC case to be checked is discharged by the first gas outlet.
7. equipment detection method is sent in gas change as claimed in claim 6, it is characterized in that, described method also comprises:
Air is inputed to two-position two-way solenoid valve (V1) by emptying air intake opening, and described two-position two-way solenoid valve (V1) is input to air the first air intake opening of UC case to be checked by three-way solenoid valve (X1);
Vacuum pump (M1) is extracted the air in UC case to be checked out by the two-position two-way solenoid valve (V2) being connected with UC case to be checked the first gas outlet, and outputs to emptying gas outlet by three-way solenoid valve (X2);
Described by calibrating gas by the described UC case to be checked of the first air intake opening input, specifically comprise:
Calibrating gas is input to the first air intake opening and is inputted UC case to be checked by three-way solenoid valve (X1);
After described detection finishes, the calibrating gas in described UC case to be checked is discharged by the first gas outlet, specifically comprises:
After detection finishes, the calibrating gas in described UC case to be checked is inputed to two-position two-way solenoid valve (V1) by the first gas outlet, described two-position two-way solenoid valve (V1) inputs to three-way solenoid valve (X2) by calibrating gas by vacuum pump (M1), and described three-way solenoid valve (X2) is discharged calibrating gas by emptying gas outlet.
8. equipment detection method is sent in gas change as claimed in claim 7, it is characterized in that,
Described calibrating gas be input to the first air intake opening and inputted UC case to be checked by three-way solenoid valve (X1), specifically comprise:
Calibrating gas is inputed to described three-way solenoid valve (X1) by the interface (D12) of two-position three way magnetic valve (V3), described three-way solenoid valve (X1) is by calibrating gas by interface (D13) the input three-way solenoid valve (X3) of three-way solenoid valve (X3), and described three-way solenoid valve (X3) is input to described UC case to be checked by calibrating gas by the first air intake opening;
Described method also comprises:
Whether detection main frame detects gas in UC case to be checked pressure by being connected to the pressure sensing cell of described three-way solenoid valve (X3) mates with default gas pressure value, if do not mate, by the input flow rate of described two-position three way magnetic valve (V3) adjustment criteria gas, the gaseous tension in UC case to be checked is adjusted to default gas pressure value
9. gas as claimed in claim 6 becomes and send equipment detection method, it is characterized in that, described by calibrating gas by also comprising before the described UC case to be checked of the first air intake opening input:
Use standard gas generating apparatus to generate calibrating gas according to the gas concentration of setting.
10. equipment detection method is sent in gas change as claimed in claim 9, it is characterized in that, whether the gas concentration data that described gas collecting module gathers and described gas become the gas concentration data of sending equipment to gather consistent, if consistent, determine that described gas becomes to send equipment normal; If inconsistent, determine that described gas change also comprises after sending unit exception:
For becoming without the described gas of proofreading and correct the equipment that send, connect gas leakage warning equipment by the serial connection interface arranging on described UC case to be checked, in the time that gas concentration reaches predetermined value, judge that whether the work of gas leakage warning equipment is normal.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410175601.6A CN103940965A (en) | 2014-04-28 | 2014-04-28 | Device and method for detecting gas transmitting equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410175601.6A CN103940965A (en) | 2014-04-28 | 2014-04-28 | Device and method for detecting gas transmitting equipment |
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Application publication date: 20140723 |