CN202330394U - Connecting and measuring device for dew frost point instrument - Google Patents
Connecting and measuring device for dew frost point instrument Download PDFInfo
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- CN202330394U CN202330394U CN2011204753416U CN201120475341U CN202330394U CN 202330394 U CN202330394 U CN 202330394U CN 2011204753416 U CN2011204753416 U CN 2011204753416U CN 201120475341 U CN201120475341 U CN 201120475341U CN 202330394 U CN202330394 U CN 202330394U
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- switch valve
- sampling thief
- humidity
- steel pipeline
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Abstract
The utility model discloses a connecting and measuring device for a dew frost point instrument. The connecting and measuring device comprises a humidity generator which comprises a humidity generator and a pipeline type detection mechanism; the pipeline type detection mechanism adopts the structure that the humidity generator is communicated with a flow meter through a stainless steel pipeline via a flow adjusting valve, three switch valves, five humidity samplers and a coiled pipe, wherein front two humidity samplers are communicated with other two switch valves through the stainless steel pipeline; the tail of the stainless steel pipeline of one detection mechanism is communicated with the front part of a stainless steel pipeline of another detection mechanism through another stainless steel pipeline and another switch valve; and the front two humidity samplers are communicated in parallel or all sensors are communicated in series, or the two detection mechanism are communicated in parallel or in series by opening or closing the switch valves mounted on the detection mechanism. According to the connecting and measuring device disclosed by the utility model, labor force, material resources and the economic cost are saved; the reliability of the measurement result is improved; and the switch of the serial and parallel circuits is freely realized, so that frequent switching of the pipeline is avoided.
Description
Technical field
The utility model belongs to the metrological testing technology field, relates to the testing agency of dew point hygrometer or frost point appearance being measured calibration, particularly reveals the frost point appearance and connects measurement mechanism.
Background technology
To Cold Mirrors method, capacitance-resistance method, electrolytic process should be arranged, and for different above-mentioned test philosophies, the connected mode that is adopted also all is different to the method for testing of tradition dew point hygrometer according to different test philosophies; Series connection and parallelly connected dual mode are arranged usually, satisfy the measurement requirement of different humidity, then needed measurement pipeline material also all is different; But as a rule, material at present comparatively commonly used has the two kinds-pipeline made by teflon or stainless steel, and the teflon pipeline is generally used for the moisture measurement that dewpoint temperature and frost point temperature are not less than-70 ℃; The stainless steel pipeline is then measured and is lower than-70 ℃ moisture measurement, for these reasons, and in each process of measuring; Need the frequent various pipelines that connect, change the pipeline of unlike material, the workload in testing process is heightened; Not only waste great amount of manpower and material resources, simultaneously in the process of connecting line, if certain section pipeline does not connect; Can directly cause tested instrument to produce bigger error, in addition, connecting line is in the repeated disassembled and assembled process; Also easily various spare and accessory parts are caused loss, this also can increase the detection cost.
The utility model content
The purpose of the utility model is to provide a kind of dew frost point appearance to connect measurement mechanism, and the financial cost of having practiced thrift great amount of manpower and material resources and part connection device has been avoided the possibility of leaking gas in the connection procedure; The pressure that can observe each section pipeline changes, and measurement result is made correction, has increased the degree of reliability of measurement result; Freely realize series-parallel pipeline conversion; Avoid the frequent transitions pipeline, make the whole controllability of measuring process stronger, be convenient to search mistake.
The purpose of the utility model is achieved in that a kind of dew frost point appearance connects measurement mechanism; Comprise humidity generator; Constitute by humidity generator and pipeline type testing agency; The structure of pipeline type testing agency is: humidity generator is through at least two stainless steel pipelines of the common connection in its gas outlet, and described two stainless steel pipelines are divided into the first stainless steel pipeline, the second stainless steel pipeline; Humidity generator is communicated with an end mouth of pipe of first coil pipe successively through first flow variable valve, first switch valve, the 3rd switch valve, the 3rd humidity sampling thief, the 4th humidity sampling thief, the 5th humidity sampling thief, the 5th switch valve through the first stainless steel pipeline; The other end mouth of pipe of first coil pipe connects the air intake opening of first flow meter; The first pressure monitor device, the first humidity sampling thief and the second humidity sampling thief are being installed on the first stainless steel pipeline between first flow variable valve and the 3rd humidity sampling thief; The first humidity sampling thief air intake opening is communicated with the first stainless steel pipeline between the first pressure monitor device and first switch valve; The first humidity sampling thief gas outlet is communicated with the first stainless steel pipeline between first switch valve and the 3rd switch valve through the second switch valve; The second humidity sampling thief air intake opening is communicated with at connection place of the first humidity sampling thief gas outlet and the first stainless steel pipeline and the first stainless steel pipeline between the 3rd switch valve; The second humidity sampling thief gas outlet is communicated with the first stainless steel pipeline pipe between the 3rd switch valve and the 3rd humidity sampling thief through the 4th switch valve, on the first stainless steel pipeline between the 5th humidity sampling thief and the 5th switch valve, the second pressure monitor device is being installed; Humidity generator is communicated with an end mouth of pipe of second coil pipe successively through second flow control valve, the 6th switch valve, the 8th switch valve, the 8th humidity sampling thief, the 9th humidity sampling thief, the tenth humidity sampling thief, the tenth switch valve through the second stainless steel pipeline; The other end mouth of pipe of second coil pipe connects the air intake opening of second flowmeter; The 3rd pressure monitor device, the 6th humidity sampling thief and the 7th humidity sampling thief are being installed on the second stainless steel pipeline between second flow control valve and the 8th humidity sampling thief; The 6th humidity sampling thief air intake opening is communicated with the second stainless steel pipeline between the 3rd pressure monitor device and the 6th switch valve; The 6th humidity sampling thief gas outlet is communicated with the second stainless steel pipeline between the 6th switch valve and the 8th switch valve through the 7th switch valve; The 7th humidity sampling thief air intake opening is communicated with at connection place of the 6th humidity sampling thief gas outlet and the second stainless steel pipeline and the second stainless steel pipeline between the 8th switch valve; The 7th humidity sampling thief gas outlet is communicated with the second stainless steel pipeline between the 8th switch valve and the 8th humidity sampling thief through the 9th switch valve, on the second stainless steel pipeline between the tenth humidity sampling thief and the tenth switch valve, the 4th pressure monitor device is being installed; Be communicated with second stainless steel pipeline second flow control valve and three pressure monitor device between with the first stainless steel pipeline between the 5th switch valve through the 3rd stainless steel pipeline and the 11 switch valve at the second pressure monitor device.
The utility model is divided into the two large divisions; Constitute by humidity generator and signal piping mechanism; Humidity generator is the gas that detecting instruments all in the signal piping mechanism provides known humidity; Close and/or open each switch valve that is serially connected in the signal piping mechanism on every stainless steel pipeline; The gas that can make humidity gets into flowmeter or is introduced into preceding two humidity sampling thiefs through flow control valve through flow control valve, five humidity sampling thiefs, coil pipes successively through every stainless steel pipeline, more successively through two other humidity sampling thief, gets into last humidity sampling thief and ends.Use known dew point hygrometer or frost point appearance method of testing, according to the measured measured value of standard that is connected in signal piping mechanism, the tested instrument that can be docked in the signal piping mechanism is calibrated or is examined and determine.Signal piping mechanism is the main body syndeton of the utility model; The first stainless steel pipeline has identical principle of work and structure with the second stainless steel pipeline; Connected relation between first, second stainless steel pipeline can be series connection, but can realize that the mode of communicating by parallel connection converts the mode of communicating of series connection into through the control of each valve.The utility model reduces artificial workload; Make that detection numerical value is more reliable; Practiced thrift the financial cost of great amount of manpower and material resources and part connection device, avoided the possibility of leaking gas in the connection procedure, the pressure that can observe each section pipeline changes; Measurement result is made correction, increased the degree of reliability of measurement result; Freely realize series-parallel pipeline conversion, avoid the frequent transitions pipeline; Make the whole controllability of measuring process stronger, be convenient to search mistake.
Description of drawings
To combine accompanying drawing that the utility model is described further below.
Accompanying drawing is total attachment structure synoptic diagram of the utility model.
Embodiment
A kind of dew frost point appearance connects measurement mechanism; Like Fig. 1, shown in Figure 2; Comprise humidity generator 1; Be made up of with pipeline type testing agency humidity generator 1, the structure of pipeline type testing agency is: humidity generator 1 is communicated with at least two stainless steel pipelines through its gas outlet is common, and described two stainless steel pipelines are divided into the first stainless steel pipeline 18, the second stainless steel pipeline 20; Humidity generator 1 is communicated with an end mouth of pipe of first coil pipe 16 successively through first flow variable valve 2, first switch valve 6, the 3rd switch valve 9, the 3rd humidity sampling thief 10, the 4th humidity sampling thief 12, the 5th humidity sampling thief 13, the 5th switch valve 15 through the first stainless steel pipeline 18; The other end mouth of pipe of first coil pipe 16 connects the air intake opening of first flow meter 17; The first pressure monitor device 3, the first humidity sampling thief 4 and the second humidity sampling thief 7 are being installed on the first stainless steel pipeline 18 between first flow variable valve 2 and the 3rd humidity sampling thief 10; The first humidity sampling thief, 4 air intake openings are communicated with the first stainless steel pipeline 18 between the first pressure monitor device 3 and first switch valve 6; The first stainless steel pipeline 18 that the first humidity sampling thief, 4 gas outlets are communicated with between first switch valve 6 and the 3rd switch valve 9 through second switch valve 5; The second humidity sampling thief, 7 air intake openings are communicated with at connection place of the first humidity sampling thief, 4 gas outlets and the first stainless steel pipeline 18 and the first stainless steel pipeline 18 between the 3rd switch valve 9; The second humidity sampling thief, 7 gas outlets are being installed with the second pressure monitor device 14 through the first stainless steel pipeline pipe 18 that the 4th switch valve 8 is communicated with between the 3rd switch valve 9 and the 3rd humidity sampling thief 10 on the first stainless steel pipeline 18 between the 5th humidity sampling thief 13 and the 5th switch valve 15; Humidity generator 1 is communicated with an end mouth of pipe of second coil pipe 31 successively through second flow control valve 19, the 6th switch valve 32, the 8th switch valve 33, the 8th humidity sampling thief 26, the 9th humidity sampling thief 27, the tenth humidity sampling thief 28, the tenth switch valve 30 through the second stainless steel pipeline 20; The other end mouth of pipe of second coil pipe 31 connects the air intake opening of second flowmeter 35; The 3rd pressure monitor device 21, the 6th humidity sampling thief 22 and the 7th humidity sampling thief 24 are being installed on the second stainless steel pipeline 20 between second flow control valve 19 and the 8th humidity sampling thief 26; The 6th humidity sampling thief 22 air intake openings are communicated with the second stainless steel pipeline 20 between the 3rd pressure monitor device 21 and the 6th switch valve 32; The second stainless steel pipeline 20 that the 6th humidity sampling thief 22 gas outlets are communicated with between the 6th switch valve 32 and the 8th switch valve 33 through the 7th switch valve 23; The 7th humidity sampling thief 24 air intake openings are communicated with at connection place of the 6th humidity sampling thief 22 gas outlets and the second stainless steel pipeline 20 and the second stainless steel pipeline 20 between the 8th switch valve 33; The 7th humidity sampling thief 24 gas outlets are being installed with the 4th pressure monitor device 29 through the second stainless steel pipeline 20 that the 9th switch valve 25 is communicated with between the 8th switch valve 33 and the 8th humidity sampling thief 26 on the second stainless steel pipeline 20 between the tenth humidity sampling thief 28 and the tenth switch valve 30; Be communicated with second stainless steel pipeline 20 second flow control valve 19 and three pressure monitor device 21 between with the first stainless steel pipeline 18 between the 5th switch valve 15 through the 3rd stainless steel pipeline 34 and the 11 switch valve 11 at the second pressure monitor device 14.
The method of conversion the utility model signal piping mechanism connection mode is (is example with first, second stainless steel pipeline): the flow of regulating the gas of the first stainless steel pipeline 18 of flowing through through first flow variable valve 2; And this first flow variable valve 2 has the effect of voltage stabilizing; Evade the inconsistent problem of tested instrument vapour lock, make measuring and adjusting simpler.The first pressure monitor device 3 and the second pressure monitor device 14 can be used for the pressure in the control measurement first stainless steel pipeline 18; Pressure is a factor that influences the moisture measurement accuracy; Therefore, in the process of using the utility model, detection technique personnel are monitoring pressure in real time; So that measured moisture measurement data are revised, make humidity measurement results more reliable.The effect of first coil pipe 16 is in order to prevent that airborne moisture from getting into pipeline; Avoid measurement result is impacted; Close second flow control valve 19 that is serially connected on the second stainless steel pipeline 20; Open the 11 switch valve 11 and close the 5th switch valve 15, can convert the mode of communicating that is in parallel of the first stainless steel pipeline 18, the second stainless steel pipeline 20 into be in series mode of communicating.In addition; If close the 5th switch valve 15, second switch valve 5 and the 4th switch valve 8; Open first switch valve 6 and the 3rd switch valve 9; Then can make the connection parallel with one another of first, second humidity sampling thief, totally the humidity sampling thief is parallel with one another is communicated with first, second for the 3rd, the 4th, the 5th humidity sensor that is communicated with of being in series.If open second switch valve 5 and the 4th switch valve 8; Close first switch valve 6 and the 3rd switch valve 9; Then can make the connection of connecting each other of first, second sampling thief and the 3rd, the 4th, the 5th humidity sensor, humidity sampling thief mode of communicating parallel with one another can make it have identical pressure.The mode of communicating of conversion humidity sampling thief series and parallel; Can make the utility model once can connect 15 capacitance-resistance method dew point transducers; Can be connected in parallel at most 9 minute surfaces or electrolytic process dew point hygrometer can satisfy the demand of general testing agency disposable detection a greater number instrument.
The signal piping mechanism of the utility model also has the 3rd stainless steel pipeline, and the 3rd stainless steel pipeline has identical structure and principle with first, second stainless steel pipeline.The utility model can be installed on the support body that is similar to shelf, and use operates convenient.
The connecting line of the utility model can solve the problem and shortage that traditional frost and dew point occurs in measuring process, through the control to some simple switch valves, can realize the pipeline series connection; The mutual conversion of parallel connection; After all pipelines are produced once and are finished, detect abnormal occurrence such as not gas leakage after, do not disassembling; Issuable uncertain factor when this has just solved each disassembling pipe has been practiced thrift the cost that the accessory loss brings.The pipeline of the utility model is is all connected and composed by the stainless-steel tube that adopts BA level 316L inner and outer pipes mirror polish, can adapt to the frost and dew point measurement of all scopes like this.The pipeline of the utility model has increased the temperature, pressure measurement port newly; Can whether the phenomenon that build the pressure be arranged each section of detection at any time pipeline; When the pressure of pipeline increased, the frost and dew point value of its measurement will raise, signal piping pressure; Can carry out pressure correction to the frost and dew point of measuring, to draw testing result comparatively accurately.Different line pressures have comparatively significantly influence for the measurement of dew point, and therefore, the pipeline of the utility model also can be used as the experimental provision of research line pressure and frost/dew point relation.
Claims (1)
1. one kind is revealed frost point appearance connection measurement mechanism; Comprise humidity generator (1); It is characterized in that: constitute by humidity generator (1) and pipeline type testing agency; The structure of pipeline type testing agency is: humidity generator (1) is through at least two stainless steel pipelines of the common connection in its gas outlet, and described two stainless steel pipelines are divided into the first stainless steel pipeline (18), the second stainless steel pipeline (20); Humidity generator (1) is communicated with an end mouth of pipe of first coil pipe (16) successively through first flow variable valve (2), first switch valve (6), the 3rd switch valve (9), the 3rd humidity sampling thief (10), the 4th humidity sampling thief (12), the 5th humidity sampling thief (13), the 5th switch valve (15) through the first stainless steel pipeline (18); The other end mouth of pipe of first coil pipe (16) connects the air intake opening of first flow meter (17); The first pressure monitor device (3), the first humidity sampling thief (4) and the second humidity sampling thief (7) are installed on the first stainless steel pipeline (18) that is positioned between first flow variable valve (2) and the 3rd humidity sampling thief (10); The connection of first humidity sampling thief (4) air intake opening is positioned at the first stainless steel pipeline (18) between the first pressure monitor device (3) and first switch valve (6); First humidity sampling thief (4) gas outlet is positioned at the first stainless steel pipeline (18) between first switch valve (6) and the 3rd switch valve (9) through second switch valve (5) connection; The connection of second humidity sampling thief (7) air intake opening is positioned at connection place of first humidity sampling thief (4) gas outlet and the first stainless steel pipeline (18) and the first stainless steel pipeline (18) between the 3rd switch valve (9); Second humidity sampling thief (7) gas outlet is positioned at the first stainless steel pipeline pipe (18) between the 3rd switch valve (9) and the 3rd humidity sampling thief (10) through the 4th switch valve (8) connection, on the first stainless steel pipeline (18) that is positioned between the 5th humidity sampling thief (13) and the 5th switch valve (15), the second pressure monitor device (14) is installed; Humidity generator (1) is communicated with an end mouth of pipe of second coil pipe (31) successively through second flow control valve (19), the 6th switch valve (32), the 8th switch valve (33), the 8th humidity sampling thief (26), the 9th humidity sampling thief (27), the tenth humidity sampling thief (28), the tenth switch valve (30) through the second stainless steel pipeline (20); The other end mouth of pipe of second coil pipe (31) connects the air intake opening of second flowmeter (35); The 3rd pressure monitor device (21), the 6th humidity sampling thief (22) and the 7th humidity sampling thief (24) are installed on the second stainless steel pipeline (20) that is positioned between second flow control valve (19) and the 8th humidity sampling thief (26); The connection of the 6th humidity sampling thief (22) air intake opening is positioned at the second stainless steel pipeline (20) between the 3rd pressure monitor device (21) and the 6th switch valve (32); The 6th humidity sampling thief (22) gas outlet is positioned at the second stainless steel pipeline (20) between the 6th switch valve (32) and the 8th switch valve (33) through the 7th switch valve (23) connection; The connection of the 7th humidity sampling thief (24) air intake opening is positioned at connection place of the 6th humidity sampling thief (22) gas outlet and the second stainless steel pipeline (20) and the second stainless steel pipeline (20) between the 8th switch valve (33); The 7th humidity sampling thief (24) gas outlet is positioned at the second stainless steel pipeline (20) between the 8th switch valve (33) and the 8th humidity sampling thief (26) through the 9th switch valve (25) connection, on the second stainless steel pipeline (20) that is positioned between the tenth humidity sampling thief (28) and the tenth switch valve (30), the 4th pressure monitor device (29) is installed; Be positioned at the second pressure monitor device (14) and be communicated with the second stainless steel pipeline (20) that is positioned between second flow control valve (19) and the 3rd pressure monitor device (21) through the 3rd stainless steel pipeline (34) and the 11 switch valve (11) with the first stainless steel pipeline (18) between the 5th switch valve (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204753416U CN202330394U (en) | 2011-11-25 | 2011-11-25 | Connecting and measuring device for dew frost point instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204753416U CN202330394U (en) | 2011-11-25 | 2011-11-25 | Connecting and measuring device for dew frost point instrument |
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| Publication Number | Publication Date |
|---|---|
| CN202330394U true CN202330394U (en) | 2012-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204753416U Expired - Fee Related CN202330394U (en) | 2011-11-25 | 2011-11-25 | Connecting and measuring device for dew frost point instrument |
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| Country | Link |
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| CN (1) | CN202330394U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104330535A (en) * | 2014-11-11 | 2015-02-04 | 广西电网公司电力科学研究院 | Simple humidity sensor checking device |
| CN104075780B (en) * | 2014-06-30 | 2017-11-21 | 陈国涛 | The assay calibration connection method of flow instrument |
-
2011
- 2011-11-25 CN CN2011204753416U patent/CN202330394U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075780B (en) * | 2014-06-30 | 2017-11-21 | 陈国涛 | The assay calibration connection method of flow instrument |
| CN104330535A (en) * | 2014-11-11 | 2015-02-04 | 广西电网公司电力科学研究院 | Simple humidity sensor checking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20131125 |