CN209624452U - A kind of portable dew point hygrometer - Google Patents
A kind of portable dew point hygrometer Download PDFInfo
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- CN209624452U CN209624452U CN201822246678.4U CN201822246678U CN209624452U CN 209624452 U CN209624452 U CN 209624452U CN 201822246678 U CN201822246678 U CN 201822246678U CN 209624452 U CN209624452 U CN 209624452U
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Abstract
The utility model discloses a kind of portable dew point hygrometer, including cabinet, the cabinet side is equipped with gas sampler, and cabinet inside is equipped with heating chamber, triple valve, jet pump, data record and display element and heating chamber control element；Gas sampler inlet end is connect with Devices to test, gas sampler outlet side is connect with heating chamber gas access, heating chamber gas vent is connect with triple valve first port, triple valve second port is connect with jet stream pump steam inlet, triple valve third port is connect with jet pump gas outlet, heating chamber control element is connect with heating chamber, and heating chamber is equipped with dew point measurement component, and dew point measurement component is connect with data record with display element.The portable dew point hygrometer carries out the dew point measurement of different atmosphere, different location convenient for operator, to realize that the dew point of atmosphere of entire production area flexibly, accurately monitors, can also make up measurement monitoring missing when online dew point hygrometer failure.
Description
Technical field
The utility model relates to a kind of portable dew point hygrometers, reveal suitable for the airtight cavities atmosphere such as industrial furnace, reaction kettle
The measurement of point.
Background technique
In the industrial production, the oxidisability of protective atmosphere not only influences the appearance of product in industrial furnace or in reaction kettle, also
It is likely to become the performance of final products and the key restriction factors of manufacturing cost control.Therefore, since mid-twentieth century, In
In more and more manufacturing processes, people have carried out the oxidisability of atmosphere in the airtight cavities such as industrial furnace, reaction kettle more smart
Quasi- monitoring, such as the surface treatment of automobile exterior panel, the bright annealing of stainless steel plate, the decarburizing annealing of electric steel plate and all kinds of steel
The blue annealing etc. of plate.
In these manufacturing processes, the dew point in atmosphere is the key index for characterizing the oxidisability of atmosphere in airtight cavity,
Generally use the continuous monitoring that the method detected online realizes dew point of atmosphere.Up to now, the method for on-line checking dew point is main
Have Cold Mirrors method, capacitance method etc., respectively there is an advantage and disadvantage, but it is common be required to after certain service life to dew point detector into
Row offline maintenance and calibration；Otherwise, biggish measured deviation will occur.It can extreme influence however, regularly demarcating and safeguarding
The continuity and efficiency of production.In addition, the different station in part occasion or manufacturing process, by the shadow of use environment and cost
It rings, online dew-point detecting device can not be installed.
Domestic only Wuhan Iron and Steel Company uses a kind of continuous annealing furnace dew point measurement device.But it is on-line measurement dress
It sets, certain point can only be fixed on, dew point of atmosphere is continuously monitored, measured in different furnace sections by different dew point hygrometers, lacked
It is weary comparative.
Summary of the invention
Goal of the invention: the purpose of the utility model is to provide a kind of portable dew point measurement devices, are convenient for operator
The dew point measurement of different atmosphere, different location is carried out, to realize that the dew point of atmosphere of entire production area flexibly, is accurately supervised
Control can also make up measurement monitoring missing when online dew point hygrometer failure.
To achieve the goals above, the utility model uses a kind of the following technical solution: portable dew point hygrometer, including
Cabinet, the cabinet side are equipped with gas sampler, and cabinet inside is equipped with heating chamber, triple valve, jet pump, data record and shows
Show element and heating chamber control element；Gas sampler inlet end is connect with Devices to test, gas sampler outlet side and heating
The connection of chamber gas access, heating chamber gas vent are connect with triple valve first port, triple valve second port and jet pump air inlet
Mouth connection, triple valve third port are connect with jet pump gas outlet, and heating chamber control element is connect with heating chamber, inside heating chamber
Equipped with dew point measurement component, dew point measurement component is connect with data record with display element.
Further, the gas sampler uses stainless steel tube, is set with heating tape on the outside of gas sampler, and in gas
Filter is equipped with close to air inlet end position inside sampler body pipe.
Further, the gas sampler inlet end and outlet side are equipped with nipple, heating chamber gas access and
Devices to test is equipped with hickey compatible with nipple.
Further, the gas sampler outlet side and heating chamber gas access junction, heating chamber gas vent with
Triple valve first port junction and triple valve second port and jet stream pump steam inlet junction are equipped with heat-preservation cotton.
Further, the cabinet side is additionally provided with radiator fan.
Further, the heating chamber control element, dew point measurement component, jet pump, radiator fan and heating tape difference
Integrated power supply is connected, integrated power supply is arranged in cabinet inside, and integrated power supply connects external power supply by power supply line.
Further, the cabinet side is additionally provided with power supply line slot, switch and heat tracing line power supply slot, power supply line slot
For installing power supply line, switch is for opening or closing integrated power supply, and heat tracing line power supply slot is for installing heating tape power supply line.
Further, the enclosure top is equipped with open-close type case lid, and cabinet inside is additionally provided with cover sheet, and cover sheet is logical
Wing bolt is crossed to connect with cabinet.
Further, the cabinet side is additionally provided with data terminals, and data record and display element pass through data connection
End connection computer.
Further, the cabinet side is additionally provided with carry hand and harness, and cabinet bottom surface is equipped with stabilizer blade.
The utility model has the advantages that
(1) the portable dew point hygrometer of the utility model not only contributes to the different online dew point detection dresses of synchronous quick calibration
It sets, improves prouctiveness, also there is many advantages, such as at low cost, can to share, is not affected by environment, can be applied to more extensive
Industrial manufacturing process and laboratory test monitor.
(2) portable dew point hygrometer has that integrated level is high, light-weight, easy to carry, measurement is accurate, measurement range is wide etc. significantly
Advantage can continuously measure the dew point change situation of different protective atmospheres, be particularly well suited to measure the dew point higher than room temperature.
The utility model is suitable for room temperature to high-temperature gas, and dew point measurement range can be from -20 DEG C to 90 DEG C, especially suitable for 10 DEG C to 90
℃。
Detailed description of the invention
Fig. 1 is portable dew point hygrometer schematic diagram of internal structure；
Fig. 2 is gas sampler structural schematic diagram；
Fig. 3 is portable dew point hygrometer peripheral structure schematic diagram；
Fig. 4 is portable dew point hygrometer component logic schematic diagram；
Fig. 5 is high annealing dew point tendency chart.
In figure: 1. integrated power supplies；2. radiator fan；3. power supply line；4. power supply line slot；5. switch；6. heat tracing line power supply
Slot；7. gas sampler；8. nipple；9. cabinet stand bars；10. heating chamber；11. dew point measurement component；12. triple valve；
13. heat-preservation cotton；14. jet pump；15. carry hand；16. jet stream pump steam inlet；17. jet pump gas outlet；18. data record and display
Element；19. heating chamber control element；20. cabinet；21. heating tape；22. filter；23. cover sheet；24. wing bolt；
25. heating tape power supply line；26. data terminals；27. harness.
Specific embodiment:
Further explanation is done to the utility model with reference to the accompanying drawing.
As shown in Figure 1, a kind of portable dew point hygrometer of the utility model, including cabinet 20,20 material of cabinet be impact resistance,
Plastic material resistant to high temperature, can each element in effective protection cabinet, be suitble to the work condition environment of various complexity.20 side of cabinet
Face is equipped with gas sampler 7, is equipped with heating chamber 10, triple valve 12, jet pump 14, data record and display element inside cabinet 20
18 and heating chamber control element 19.7 inlet end of gas sampler is connect with Devices to test, 7 outlet side of gas sampler and heating
The connection of 10 gas access of chamber, 10 gas vent of heating chamber connect with 12 first port of triple valve, 12 second port of triple valve with penetrate
It flows pump steam inlet 16 to connect, 12 third port of triple valve is connect with jet pump gas outlet 17, heating chamber control element 19 and heating
Chamber 10 connects, and heating chamber 10 is equipped with dew point measurement component 11, and dew point measurement component 11 is connect with data record with display element 18.
Dew point measurement component 11 is popped one's head in using condenser type dew point.Data record and display element 18 are specifically the small-sized data record of digital display type
Instrument, heating chamber control element 19 are specifically Kick type or pressure type or one of electronics or purpose digital temperature controller.
As shown in Fig. 2, the gas sampler 7 uses stainless steel tube, gas temperature can be effectively prevent high or containing corrosion
Property substance pipeline is caused to corrode, and certain bending angle can be set at both ends according to actual condition needs, be easy to use.For
It prevents environment temperature etc. from causing moisture loss to gas transmission process, is set with heating tape 21 on the outside of gas sampler 7, and
7 inside of gas sampler is equipped with filter 22 close to air inlet end position, prevents impurity from entering inside dew point hygrometer, influences measurement essence
Degree.Preferably, 7 inlet end of gas sampler and outlet side are equipped with nipple 8,10 gas access of heating chamber and to be measured
Equipment is equipped with hickey compatible with nipple 8, convenient for dew point hygrometer and Devices to test rapid abutting joint.
As shown in Figure 1, the thermal losses in gas transmission process in order to prevent, 7 outlet side of gas sampler with plus
Hot 10 gas access junction of chamber, 10 gas vent of heating chamber and 12 first port junction of triple valve and triple valve 12 second
Port and 16 junction of jet stream pump steam inlet are equipped with heat-preservation cotton 13.
As shown in Figure 1,20 side of cabinet is additionally provided with radiator fan 2 for the ease of 20 ventilation and heat of cabinet.
As shown in figure 4, the heating chamber control element 19, dew point measurement component 11, jet pump 14, radiator fan 2 and companion
The torrid zone 21 is separately connected integrated power supply 1, and integrated power supply 1 is arranged inside cabinet 20, and integrated power supply 1 is connected outer by power supply line 3
Portion's power supply.
As shown in Figure 1,20 side of cabinet is additionally provided with power supply line slot 4, switch 5 and heat tracing line power supply slot 6, power supply
Line slot 4 is for installing power supply line 3, and switch 5 is for opening or closing integrated power supply 1, and heat tracing line power supply slot 6 is for installing companion
Tropical power supply line 25.
As shown in figure 3, being equipped with case lid when rotating at the top of the cabinet 20, passes through shaft at the top of case lid side and cabinet 20 and connect
It connects, the case lid realization that rotates around the axis opens or closes, and cover sheet 23 is gone back inside cabinet 20, cover sheet 23 passes through wing bolt
24 connect with cabinet 20, and cover sheet 23 can effectively protect internal element, and easy to disassemble.
As shown in Figure 1,20 side of cabinet is additionally provided with data terminals 26, data record and display element 18 pass through number
Computer is connected according to terminals 26, dynamic monitoring can be carried out to dew point or data record exports.
As described in Figure 1,20 side of cabinet is additionally provided with carry hand 15 and harness 27, is convenient for carrying, to prevent from transporting or survey
The improper damage caused by interface is prevented during amount, 20 bottom surface of cabinet is equipped with stabilizer blade 9.
The mode of operation of the utility model is as follows: when power supply line 3 is connected on power supply slot 4, opening switch 5, whole sets
Standby to work, gas sampler 7 is connected by nipple 8 with the hickey of Devices to test, is controlled by heating chamber
Element 19 controls 10 temperature of heating chamber, by threeway 12 and the effect of jet pump 13 under test gas continuous sampling, under test gas
It is sent into heating chamber 10, dew point measurement component 11 continuously measures gas dew point, and will test result and be output to data note
Record and display element 18, data record and the display of display element 18 simultaneously record measurement data, and operating process is simple.
The utility model integrates detection, heat preservation, data record, and plug and play is easy to carry, easy to operate, can be with
Dew point is measured to long-time continuous stable, dew point measurement range is -20 DEG C to 90 DEG C, especially suitable for 10 DEG C to 90 DEG C.Measurement
When do not influenced by measured gas pressure, do not influenced by factors such as ambient temperature, humidity, atmospheric pressures, be suitble to survey
Measure the dew point measurement under the various occasions in range.It is stable and reliable for performance, there is good replicability and application prospect.
The following are two Application Examples of the portable dew point hygrometer:
Embodiment 1: practical dew point monitoring in experimental furnace
Room temperature is lower than 5 DEG C.Being passed through atmosphere is nitrogen.It tests furnace temperature and sets 200 DEG C.Dew point of atmosphere is lower than room temperature, using adding
Wet device water temperature sets 10 DEG C, and carries out dry and wet distribution mode by online dew point detector, controls the dew point of atmosphere being passed through in furnace；
10 DEG C of dew point of atmosphere or more, using humidifier water temperature setting means, control the dew point of atmosphere being passed through in furnace.It is set in dew point of atmosphere
When being 0 DEG C to 50 DEG C, while being compared by the way of dew point cup manual measurement.Test the practical dew point monitoring of furnace gas
Record is as shown in the table, measurement unit in table: DEG C
As seen from the above table, in -40 DEG C to 90 DEG C of dew point of atmosphere of section, the utility model and online dew point hygrometer detection error
Within ± 0.5 DEG C；It is set in 0 DEG C to 50 DEG C in dew point of atmosphere, the dew point value that the utility model measures is surveyed manually with dew point cup
Amount result is very nearly the same, and deviation is within ± 0.5 DEG C.After water temperature is set higher than 35 DEG C, dew point measurement result and water temperature are set out
Certain system deviation is showed, and has increased with the increase of water temperature setting.To sum up, portable dew point hygrometer accurately reacts and remembers
The dew point information of atmosphere is recorded.
Embodiment 2: annealing experiment furnace atmosphere dew point continuously monitors
Portable dew point hygrometer is connected to annealing experiment furnace gases exit, it is continuous to monitor in high-temperature annealing process compared with low temperature
Dew point situation under degree.Data are exported using data terminals in next day, as a result as shown in Figure 5.
The detailed dew point change situation having recorded in high-temperature annealing furnace of the utility model, the system deviation with setting value
Less than ± 0.5 DEG C.The export of the utility model data is convenient, easy to operate.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (10)
1. a kind of portable dew point hygrometer, it is characterised in that: including cabinet (20), cabinet (20) side is equipped with gas sampler
(7), be equipped with inside cabinet (20) heating chamber (10), triple valve (12), jet pump (14), data record and display element (18) and
Heating chamber control element (19)；Gas sampler (7) inlet end is connect with Devices to test, gas sampler (7) outlet side with plus
The connection of hot chamber (10) gas access, heating chamber (10) gas vent are connect with triple valve (12) first port, triple valve (12) the
Two-port netwerk is connect with jet stream pump steam inlet (16), and triple valve (12) third port is connect with jet pump gas outlet (17), heating chamber
Control element (19) is connect with heating chamber (10), is equipped with dew point measurement component (11) inside heating chamber (10), dew point measurement component
(11) it is connect with data record with display element (18).
2. a kind of portable dew point hygrometer according to claim 1, it is characterised in that: the gas sampler (7) is not using
Become rusty steel pipe, is set with heating tape (21) on the outside of gas sampler (7), and internal close to air inlet end position in gas sampler (7)
Equipped with filter (22).
3. a kind of portable dew point hygrometer according to claim 2, it is characterised in that: gas sampler (7) inlet end
It is equipped with nipple (8) with outlet side, heating chamber (10) gas access and Devices to test are equipped with and are adapted with nipple (8)
Hickey.
4. a kind of portable dew point hygrometer according to claim 3, it is characterised in that: gas sampler (7) outlet side
With heating chamber (10) gas access junction, heating chamber (10) gas vent and triple valve (12) first port junction and three
Port valve (12) second port and jet stream pump steam inlet (16) junction are equipped with heat-preservation cotton (13).
5. a kind of portable dew point hygrometer according to claim 4, it is characterised in that: cabinet (20) side is additionally provided with scattered
Hot-air fan (2).
6. a kind of portable dew point hygrometer according to claim 5, it is characterised in that: the heating chamber control element (19),
Dew point measurement component (11), jet pump (14), radiator fan (2) and heating tape (21) are separately connected integrated power supply (1), integrate electricity
Source (1) setting is internal in cabinet (20), and integrated power supply (1) connects external power supply by power supply line (3).
7. a kind of portable dew point hygrometer according to claim 6, it is characterised in that: cabinet (20) side is additionally provided with electricity
Source line slot (4), switch (5) and heat tracing line power supply slot (6), power supply line slot (4) switch (5) for installing power supply line (3)
For opening or closing integrated power supply (1), heat tracing line power supply slot (6) is for installing heating tape power supply line (25).
8. a kind of portable dew point hygrometer according to claim 7, it is characterised in that: be equipped with folding at the top of the cabinet (20)
Formula case lid, cabinet (20) is internal to be additionally provided with cover sheet (23), and cover sheet (23) passes through wing bolt (24) and cabinet (20)
Connection.
9. a kind of portable dew point hygrometer according to claim 8, it is characterised in that: cabinet (20) side is additionally provided with number
According to terminals (26), data record connect computer by data terminals (26) with display element (18).
10. a kind of portable dew point hygrometer according to claim 9, it is characterised in that: cabinet (20) side is additionally provided with
Carry hand (15) and harness (27), cabinet (20) bottom surface are equipped with stabilizer blade (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822246678.4U CN209624452U (en) | 2018-12-29 | 2018-12-29 | A kind of portable dew point hygrometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822246678.4U CN209624452U (en) | 2018-12-29 | 2018-12-29 | A kind of portable dew point hygrometer |
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| Publication Number | Publication Date |
|---|---|
| CN209624452U true CN209624452U (en) | 2019-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822246678.4U Active CN209624452U (en) | 2018-12-29 | 2018-12-29 | A kind of portable dew point hygrometer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113551842A (en) * | 2021-06-23 | 2021-10-26 | 鞍钢蒂森克虏伯（重庆）汽车钢有限公司 | Method and system for detecting leakage of annealing furnace water cooling equipment on line |
-
2018
- 2018-12-29 CN CN201822246678.4U patent/CN209624452U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113551842A (en) * | 2021-06-23 | 2021-10-26 | 鞍钢蒂森克虏伯（重庆）汽车钢有限公司 | Method and system for detecting leakage of annealing furnace water cooling equipment on line |
| CN113551842B (en) * | 2021-06-23 | 2023-01-24 | 鞍钢蒂森克虏伯（重庆）汽车钢有限公司 | Method and system for online detection of leakage of annealing furnace water cooling equipment |
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