CN202196055U - Detecting device for gas detection alarm - Google Patents
Detecting device for gas detection alarm Download PDFInfo
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- CN202196055U CN202196055U CN2011203317570U CN201120331757U CN202196055U CN 202196055 U CN202196055 U CN 202196055U CN 2011203317570 U CN2011203317570 U CN 2011203317570U CN 201120331757 U CN201120331757 U CN 201120331757U CN 202196055 U CN202196055 U CN 202196055U
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Abstract
The utility model relates to the technical field of electrochemical metering, and discloses a detecting device for a gas detection alarm. The detecting device includes gas bottles, flowmeters and a detection diffusion cover, which are in sequential connection. The detecting device further includes a four-way pipeline, wherein the flowmeters include a first flowmeter, a second flowmeter and a third flowmeter respectively connected with the three gas bottles with standard gas of high, medium and low concentration; the four-way pipeline is arranged between the flowmeters and the detection diffusion cover; and the four ways of the four-way pipeline are respectively connected with outlet ends of the first, the second and the third flowmeters and a small caliber end of the detection diffusion cover. In the utility model, the three gas bottles filled with standard gas of high, medium and low concentration are mutually connected, when various gas detection alarms are detected, the three standard gas can be quickly switched over and free of interference, and the problems of adsorbability of the standard gas and high possibility of deformation and sticking of the original hose are solved, the detection gas passage is more unimpeded, so that the detection time is shortened, the standard gas is saved, the labor intensity is reduced, and the detection accuracy is improved.
Description
Technical field
The utility model relates to the galvanochemistry field of measuring techniques, is mainly used in the calibrating to all kinds of gas detection alarms.
Background technology
Because the gas detection alarm needs the calibrating gas of three kinds of variable concentrations to compare calibrating; Seized alarm is fed the high concentration calibrating gas, get into calibrating procedure, gas and alarm inner sensor produce chemical reaction; Through the alarm internal arithmetic, show the value that equates approximately with gas concentration.In feeding successively again with the gas of low concentration, record alarm displayed value.Whether the data to noting are calculated, qualified by test examination instrument to judge.Existing gas detection alarm calibrating installation is to be connected firmly through pipeline with flowmeter by gas cylinder through three covers; Flowmeter is connected through emulsion tube with calibrating diffusion shell small-caliber end; Calibrating diffusion shell heavy caliber end shield constitutes on the sensor of alarm, and the gas concentration of three gas cylinders in three covers is respectively high, medium and low.Gas detection alarm specifications and models are various, and it is also different to examine and determine diffusion shell bore and model accordingly.
There is following problems in existing calibrating installation in practical application:
Since existing alarm calibrating installation be adopt gas concentration be respectively high, medium and low three gas cylinders respectively the flowmeter through separately examine and determine diffusion shells and be connected with three.When the alarm of having examined and determine a model utilizes this calibrating installation that another model alarm is examined and determine again; Must change three calibrating diffusion shells that high, medium and low gas cylinder connected; And when three calibrating diffusion shell colleagues are placed on the vent cabinet table top, be staggeredly placed with alarm, behind testing person's operation fatigue; Take the calibrating diffusion shell easily by mistake, cause data read errors.
2. the indicating value of alarm demonstration is relevant with the pressure of gas in the feeding sensor, the indicating value that gas produced of correct indicating value for feeding down near normal pressure.When the calibrating diffusion shell when an alarm moves on another alarm, the emulsion tube that connects the calibrating diffusion shell produces shake, the gas pressure that feeds in the alarm sensor produces fluctuation, influences correctly reading of indicating value, has prolonged the whole calibration operation time.
3. when feeding the gaseous tension instability, need the long period just can obtain correct data, prolonged duration of ventilation, wasted a large amount of calibrating gas.
4. emulsion tube is high temperature resistant poor, and adsorbability is stronger, and easy deformation has adhesion and gas leak phenomenon, and calibrating gas has reduced the concentration of calibrating gas when emulsion tube flows through, and has directly influenced the calibrating data of seized alarm.
Summary of the invention
The utility model technical matters to be solved provides a kind of gas detection alarm calibrating installation; It has at flowmeter and calibrating and the four-way pipeline is set between the diffusion shell; Wherein three pipelines through the four-way pipeline are that three high, medium and low gas cylinders are connected to form three road intake channels with gas concentration respectively, and the 4th pipeline is connected with the calibrating diffusion shell, forms the path of giving vent to anger; When same gas detection alarm of calibrating; Need not to connect respectively three and examine and determine diffusion shells to this alarm, only need through the flowmeter on three gas cylinders of control, the gas of selection variable concentrations is examined and determine this alarm through unique calibrating diffusion shell and is got final product; And, when changing calibrating another one model alarm into by model alarm of calibrating, only need to change a unique calibrating diffusion shell; Shorten the calibrating time, reduce the replacing quantity of calibrating diffusion shell, reduce labour intensity; Prevent to take by mistake the calibrating diffusion shell, cause the characteristics of data read errors.
For solving the problems of the technologies described above, the utility model provides a kind of gas detection alarm calibrating installation, comprises gas cylinder, flowmeter, calibrating diffusion shell; Said gas cylinder, flowmeter, calibrating diffusion shell are linked in sequence, and also comprise the four-way pipeline;
Said flowmeter comprises first flow meter, second flowmeter and the 3rd flowmeter; Said first flow meter is that high gas cylinder is connected with gas concentration; Said second flowmeter is connected with gas cylinder during gas concentration is, and said the 3rd flowmeter is that low gas cylinder is connected with gas concentration;
Said four-way pipeline is arranged between said flowmeter and the calibrating diffusion shell; The four-way pipeline comprises first port, second port, the 3rd port and the 4th port; Said first port is connected with first flow meter endpiece; Said second port is connected with the second flowmeter endpiece, and said the 3rd port is connected with said the 3rd flowmeter endpiece, and said the 4th port is connected with the small-caliber end of calibrating diffusion shell.
To the improvement project of above-mentioned foundation structure for also comprising flexible pipe; Said flexible pipe comprises first flexible pipe, second flexible pipe, the 3rd flexible pipe, the 4th flexible pipe;
First port of said four-way pipeline is connected with said first flow meter through said first flexible pipe; Second port of said four-way pipeline is connected with said first flow meter through said second flexible pipe; The 3rd port of four-way pipeline is connected with said the 3rd flowmeter through said the 3rd flexible pipe; The 4th port of said four-way pipeline is connected with the small-caliber end of said calibrating diffusion shell through said the 4th flexible pipe.
Technique scheme is carried out optimized technical scheme does, said flexible pipe is the PE flexible pipe.
The technical scheme that technique scheme is further improved is also to comprise stereoplasm tube; Said stereoplasm tube comprises four, is arranged at four path terminations of four-way pipeline respectively, and each stereoplasm tube external diameter is smaller or equal to the internal diameter of said flexible pipe when the maximum flexibility value, and greater than the internal diameter of flexible pipe when the normality; Flexible pipe is connected with four paths of four-way pipeline through stereoplasm tube.
Above-mentioned improvement project is carried out optimized technical scheme does, said stereoplasm tube is a pvc pipe.
The beneficial effect of the utility model is:
1. the utility model is provided with the four-way pipeline between flowmeter and calibrating diffusion shell; Wherein three pipelines through the four-way pipeline are that three high, medium and low gas cylinders are connected to form three road intake channels with gas concentration respectively; The 4th pipeline is connected with the calibrating diffusion shell, forms unique path of giving vent to anger.When same gas detection alarm of calibrating, need not to connect respectively three calibrating diffusion shells to this alarm, only need to select the gas of variable concentrations this alarm to be examined and determine through unique calibrating diffusion shell through the flowmeter on three gas cylinders of control; And, when changing calibrating another one model alarm into by model alarm of calibrating, only need to change a unique calibrating diffusion shell; Shorten the calibrating time, reduce the replacing quantity of calibrating diffusion shell, reduce labour intensity; Prevent to take by mistake the calibrating diffusion shell, cause the data read errors problem.
2. the available technology adopting flowmeter is exported to and directly adopts emulsion tube to connect between the calibrating diffusion shell, because distance is longer, the emulsion tube shake is severe, can make to feed the fluctuation of alarm sensor internal pressure, prolongs indicating value stabilization time, influences indicating value and reads.And the utility model adopts flexible pipe to be connected between flowmeter and four-way pipeline, between four-way pipeline and the calibrating diffusion shell; Making can flexible topology between gas cylinder and four-way pipeline, the calibrating diffusion shell, is convenient to operating personnel's work, and; Owing between flowmeter and calibrating diffusion shell, be provided with the four-way pipeline; The air intake opening of four-way pipeline is fixedly connected with flexible pipe with the endpiece of flowmeter, has reduced the hose length of shake, makes gaseous tension stably and rapidly; Thereby shortened alarm indicating value stabilization time, made reading more accurate.
Since gaseous tension stably and rapidly, shortened the calibrating time, thereby practiced thrift calibrating gas.
4. the PE flexible pipe has high temperature resistant; Corrosion-resistant; Advantages such as anti-adsorbability adopt the PE flexible pipe as the flexible pipe in the utility model, efficiently solve the adsorbability and the problem that be prone to produce distortion and adhesion of former emulsion tube to standard gas; Make the calibrating pipeline more unimpeded, guaranteed the calibrating gas concentration of feeding and stablizing of pressure.
5. adopt stereoplasm tube to connect flexible pipe, make flexible pipe and four-way pipeline more be prone to be connected, be difficult for gas leakage.
The gas cylinder that the utility model will be equipped with three kinds of variable concentrations calibrating gas interconnects; When all kinds of gas alarm of calibrating; Can interference-free quick switching between three kinds of calibrating gas; And solved the adsorbability of standard gas and former flexible pipe is yielding and the problem of adhesion, made the calibrating gas circuit more unimpeded.Shortened the calibrating time, practiced thrift calibrating gas, reduced labour intensity, prevented to take by mistake the calibrating diffusion shell, caused data read errors, simple in structure, result of use is good.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Wherein, the 1-flowmeter, 2-flow regulation knob, the 3-PE flexible pipe, 4-four-way pipeline, 5-hard PVC pipe, 6-examines and determine diffusion shell.
Embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined utility model purpose is taked; Below in conjunction with accompanying drawing and preferred embodiment, the embodiment of a kind of gas detection alarm calibrating installation of proposing according to the utility model is elaborated.
The structural representation of the utility model embodiment as shown in Figure 1; The utility model is through being respectively in concentration between high, medium and low three gas cylinders and a calibrating diffusion shell four-way pipeline 4 to be set; Utilize four-way pipeline 4 that the gas cylinder that three concentration do not wait is connected with a calibrating diffusion shell 6; Thereby realize when same gas detection alarm of calibrating; Need not to connect respectively three calibrating diffusion shells to this alarm, only need to select the gas of variable concentrations this alarm to be examined and determine through unique calibrating diffusion shell through the flowmeter on three gas cylinders of control; And, when changing calibrating another one model alarm into by model alarm of calibrating, only need to change a unique calibrating diffusion shell; Shorten the calibrating time, reduce the replacing quantity of calibrating diffusion shell, reduce labour intensity; Prevent to take by mistake the calibrating diffusion shell, cause the purpose of data read errors.
As shown in the figure; Three gas circuit inlet ends (first, second, third port) of four-way pipeline 4) be that flowmeter 1 on high, medium and low three gas cylinders is connected with concentration respectively, (the 4th port connects calibrating diffusion shell 6 to the gas circuit endpiece of four-way pipeline 4.
On concentration is respectively high, medium and low three gas cylinders, first flow meter, second flowmeter and the 3rd flowmeter are set respectively: the first flow meter is that high gas cylinder is connected with gas concentration; Second flowmeter is connected with gas cylinder during gas concentration is, and the 3rd flowmeter is that low gas cylinder is connected with gas concentration.Four-way pipeline 4 is arranged between each flowmeter and the calibrating diffusion shell 6: the four-way pipeline comprises first port, second port, the 3rd port and the 4th port; First port is connected with first flow meter endpiece; Second port is connected with the second flowmeter endpiece; The 3rd port is connected with the 3rd flowmeter endpiece, and the 4th port is connected with the small-caliber end of calibrating diffusion shell 6.
For ease of layout and testing person operation, between four-way pipeline 4 and the flowmeter 1, four-way pipeline 4 can adopt flexible pipe to be connected with examining and determine between the diffusion shell 6: flexible pipe comprises first flexible pipe, second flexible pipe, the 3rd flexible pipe, the 4th flexible pipe; First port of four-way pipeline 4 is connected with the first flow meter through first flexible pipe; Second port of four-way pipeline 4 is connected with the first flow meter through second flexible pipe; The 3rd port of four-way pipeline 4 is connected with the 3rd flowmeter through the 3rd flexible pipe; The 4th port of four-way pipeline 4 is connected through the small-caliber end of the 4th flexible pipe with calibrating diffusion shell 6.Preferably, adopt PE flexible pipe 3 as the flexible pipe in the utility model.
For making flexible pipe more closely reliable with being connected of four-way pipeline 4; Three gas circuit inlet ends (first, second, third port) at the four-way pipeline are connected stereoplasm tube respectively firmly with an endpiece (the 4th port); Preferably, adopt the stereoplasm tube of pvc pipe 5 as the utility model.Pvc pipe 5 puts PE flexible pipe 3, the inlet end of the PE flexible pipe 3 that three gas circuit inlet ends of four-way pipeline 4 connect, and promptly the inlet end of first, second, third flexible pipe is enclosed within the endpiece of first, second, third flowmeter respectively.PE flexible pipe 3 one ends that are arranged at four-way pipeline gas circuit endpiece (the 4th port) connect this four-way pipeline gas circuit endpiece (the 4th port), and the other end is enclosed within calibrating diffusion shell 6 small-caliber ends.Three inlet ends of four-way pipeline 4 link to each other with flowmeter 1 endpiece through PE flexible pipe 3; Control the size of gas flow by the flow regulation knob 2 of flowmeter 1; The exit links to each other with calibrating diffusion shell 6 small-caliber ends through PE flexible pipe 3; Calibrating diffusion shell 6 heavy caliber end shields are used for examining and determine each alarm on the sensor of gas detection alarm.
The method of application of the utility model embodiment is:
The gas outlet end of the utility model has only an output gas circuit, according to the difference of gas detection alarm model, can select to examine and determine accordingly diffusion shell 6, and the gas detection alarm of a kind of model of every calibrating only need be changed a corresponding calibrating diffusion shell 6.According to the gas detection alarm of different gas kinds, through regulating the knob 2 on the flowmeter 1, the calibrating gas flow size of may command output is examined and determine diffusion shell 6 and is covered on the sensor of gas detection alarm, according to vertification regulation, examines and determine each gas detection alarm.Select the calibrating gas of variable concentrations through the knob on the Control Flow meter 2, the gas detection alarm is examined and determine.
It should be noted last that; Above embodiment is only unrestricted in order to the technical scheme of explanation the utility model; Although with reference to instance the utility model is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of the utility model; And not breaking away from the spirit and the scope of the utility model technical scheme, it all should be encompassed in the middle of the claim scope of the utility model.
Claims (5)
1. a gas detection alarm calibrating installation comprises gas cylinder, flowmeter, calibrating diffusion shell; Said gas cylinder, flowmeter, calibrating diffusion shell are linked in sequence, and it is characterized in that, also comprise the four-way pipeline;
Said flowmeter comprises first flow meter, second flowmeter and the 3rd flowmeter; Said first flow meter is that high gas cylinder is connected with gas concentration; Said second flowmeter is connected with gas cylinder during gas concentration is, and said the 3rd flowmeter is that low gas cylinder is connected with gas concentration;
Said four-way pipeline is arranged between said flowmeter and the calibrating diffusion shell; The four-way pipeline comprises first port, second port, the 3rd port and the 4th port; Said first port is connected with first flow meter endpiece; Said second port is connected with the second flowmeter endpiece, and said the 3rd port is connected with said the 3rd flowmeter endpiece, and said the 4th port is connected with the small-caliber end of calibrating diffusion shell.
2. gas detection alarm calibrating installation as claimed in claim 1 is characterized in that, also comprises flexible pipe; Said flexible pipe comprises first flexible pipe, second flexible pipe, the 3rd flexible pipe, the 4th flexible pipe;
First port of said four-way pipeline is connected with said first flow meter through said first flexible pipe; Second port of said four-way pipeline is connected with said first flow meter through said second flexible pipe; The 3rd port of four-way pipeline is connected with said the 3rd flowmeter through said the 3rd flexible pipe; The 4th port of said four-way pipeline is connected with the small-caliber end of said calibrating diffusion shell through said the 4th flexible pipe.
3. gas detection alarm calibrating installation as claimed in claim 2 is characterized in that said flexible pipe is the PE flexible pipe.
4. like claim 2 or 3 described gas detection alarm calibrating installations, it is characterized in that, also comprise stereoplasm tube; Said stereoplasm tube comprises four, is arranged at four path terminations of four-way pipeline respectively, and each stereoplasm tube external diameter is smaller or equal to the internal diameter of said flexible pipe when the maximum flexibility value, and greater than the internal diameter of flexible pipe when the normality; Flexible pipe is connected with four paths of four-way pipeline through stereoplasm tube.
5. gas detection alarm calibrating installation as claimed in claim 4 is characterized in that said stereoplasm tube is a pvc pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203317570U CN202196055U (en) | 2011-09-06 | 2011-09-06 | Detecting device for gas detection alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203317570U CN202196055U (en) | 2011-09-06 | 2011-09-06 | Detecting device for gas detection alarm |
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| Publication Number | Publication Date |
|---|---|
| CN202196055U true CN202196055U (en) | 2012-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203317570U Expired - Fee Related CN202196055U (en) | 2011-09-06 | 2011-09-06 | Detecting device for gas detection alarm |
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| Country | Link |
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| CN (1) | CN202196055U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107153105A (en) * | 2017-05-17 | 2017-09-12 | 西北师范大学 | The online batch calibrating installation of flammable gas alarm and calibration method is fixedly mounted |
| CN107192833A (en) * | 2017-07-11 | 2017-09-22 | 深圳市好美达科技有限公司 | Alcohol content tester calibrating installation and alcohol content tester calibration method |
| CN108711269A (en) * | 2018-05-31 | 2018-10-26 | 亚洲硅业（青海）有限公司 | A kind of flammable gas alarm caliberating device |
| CN110849946A (en) * | 2019-11-04 | 2020-02-28 | 苏州热工研究院有限公司 | Calibration device and calibration method for oxygen detection alarm |
-
2011
- 2011-09-06 CN CN2011203317570U patent/CN202196055U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107153105A (en) * | 2017-05-17 | 2017-09-12 | 西北师范大学 | The online batch calibrating installation of flammable gas alarm and calibration method is fixedly mounted |
| CN107192833A (en) * | 2017-07-11 | 2017-09-22 | 深圳市好美达科技有限公司 | Alcohol content tester calibrating installation and alcohol content tester calibration method |
| CN107192833B (en) * | 2017-07-11 | 2023-12-26 | 深圳市好美达科技有限公司 | Alcohol detector calibrating device and alcohol detector calibrating method |
| CN108711269A (en) * | 2018-05-31 | 2018-10-26 | 亚洲硅业（青海）有限公司 | A kind of flammable gas alarm caliberating device |
| CN108711269B (en) * | 2018-05-31 | 2019-09-10 | 亚洲硅业（青海）有限公司 | A kind of flammable gas alarm caliberating device |
| CN110849946A (en) * | 2019-11-04 | 2020-02-28 | 苏州热工研究院有限公司 | Calibration device and calibration method for oxygen detection alarm |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wuhan Steel Engineering Technology Group Communication Co., Ltd. Assignor: Wuhan Iron & Steel (Group) Corp. Contract record no.: 2014420000065 Denomination of utility model: Detecting device for gas detection alarm Granted publication date: 20120418 License type: Exclusive License Record date: 20140508 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120418 Termination date: 20170906 |
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| CF01 | Termination of patent right due to non-payment of annual fee |