CN210690460U - Dew point instrument - Google Patents
Dew point instrument Download PDFInfo
- Publication number
- CN210690460U CN210690460U CN201921695186.1U CN201921695186U CN210690460U CN 210690460 U CN210690460 U CN 210690460U CN 201921695186 U CN201921695186 U CN 201921695186U CN 210690460 U CN210690460 U CN 210690460U
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- connecting seat
- dew point
- circuit board
- casing
- shell
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Abstract
The utility model discloses a dew point hygrometer, including casing, connecting seat, mount pad, water joint, humidity transducer, circuit board, connecting seat and mount pad set up respectively the both ends of casing, water joint sets up on the mount pad, the circuit board sets up in the casing, the inner wall of casing is provided with the heat dissipation annular, the outer wall of casing is provided with radiating fin, humidity transducer sets up in the connecting seat, just humidity transducer's probe stretches out outside the connecting seat, the periphery of probe is provided with the dust screen cover, the circuit board respectively with water joint and humidity transducer connect. The utility model discloses can effectively prolong the life of dew point hygrometer, simple structure.
Description
Technical Field
The utility model relates to a dew point hygrometer equipment technical field specifically is a dew point hygrometer.
Background
The dew point instrument is used for detecting humidity and is widely applied to SF6 dew point detection of a power system, if the natural gas is rich in water vapor after being mined, the water vapor must be removed to prevent corrosion and ice blockage of pipelines and equipment and to endanger the safety of long-distance pipelines, downstream pipelines and equipment, so that the moisture content in the conveyed gas needs to be detected in time. Most of dew point hygrometers on the market at present have poor heat dissipation performance, a large amount of heat generated inside the dew point hygrometers cannot be dissipated timely after the dew point hygrometers are used for a long time, the service life of the dew point hygrometers is influenced, and the existing dew point hygrometers are large in size.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the shortcoming of above-mentioned prior art, providing an effective extension dew point hygrometer life, simple structure's a dew point hygrometer.
The utility model discloses a realize through following technical scheme: the utility model provides a dew point hygrometer, includes casing, connecting seat, mount pad, water joint, humidity transducer, circuit board, connecting seat and mount pad set up respectively the both ends of casing, water joint sets up on the mount pad, the circuit board sets up in the casing, the inner wall of casing is provided with the heat dissipation annular, the outer wall of casing is provided with radiating fin, humidity transducer sets up in the connecting seat, just humidity transducer's probe stretches out outside the connecting seat, the periphery of probe is provided with the dust screen cover, the circuit board respectively with water joint and humidity transducer connect.
Further: the two ends of the circuit board are respectively arranged in the shell through circuit board fixing parts.
Further: a sealing plate is arranged in the connecting seat and used for separating the connecting seat from the outside, a threading hole is formed in the sealing plate, and a lead of the humidity sensor penetrates through the threading hole to be connected with the circuit board.
Further: the mounting seat is connected with the shell through a bolt.
Further: the shell is connected with the connecting seat through threads, and the end part of the shell extends into the connecting seat and is pressed against the sealing plate.
Further: the outer wall in the middle of the shell is provided with connecting threads, the radiating fins are arranged on the outer wall of the upper portion of the shell, and radiating holes are formed in the radiating fins.
Further: the mounting seat is provided with a seat cover, the seat cover is provided with a liquid crystal display panel, the circuit board comprises a preprocessing amplifying circuit, a filter circuit, an analog-to-digital conversion circuit and a single chip microcomputer which are sequentially connected, the single chip microcomputer is connected with the liquid crystal display panel, and the humidity sensor is connected with the preprocessing amplifying circuit.
Further: a wiring board is arranged in the mounting seat, and the liquid crystal display panel is connected with the circuit board through the wiring board.
The beneficial effects of the utility model
1. Compared with the prior art, through setting up the heat dissipation annular groove at the inner wall of casing, the outer wall of casing sets up radiating fin, and heat dissipation annular groove and radiating fin have increased the heat radiating area of casing, can improve the heat dispersion of casing, make the heat that the circuit board produced give off more rapidly, effectively prolong the life of dew point hygrometer, are provided with the shrouding in the connecting seat, separate connecting seat and external through the shrouding, can avoid external gas to get into in the casing, simple structure, it is small.
2. Through set up the liquid crystal display panel on the seat, the circuit board is including leading processing amplifier circuit, filter circuit, analog-to-digital conversion circuit, the singlechip that connects gradually, and the singlechip is connected with the liquid crystal display panel, and humidity transducer is connected with leading processing amplifier circuit, realizes showing on the spot and reads the measured data, need not to realize data display through host computer or secondary instrument, convenient to use, simple structure, and is small, portable.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a schematic circuit block diagram of the present invention.
Description of reference numerals: 1-shell, 11-radiating ring groove, 12-radiating fin, 121-radiating hole, 13-connecting thread, 2-connecting seat, 21-sealing plate, 3-mounting seat, 31-seat cover, 32-wiring board, 4-waterproof joint, 5-humidity sensor, 51-probe, 6-circuit board, 61-circuit board fixing piece, 62-preprocessing amplifying circuit, 63-filter circuit, 64-analog-digital conversion circuit, 65-single chip microcomputer, 7-dustproof net cover and 8-liquid crystal display panel.
Detailed Description
Fig. 1-3 are schematic structural diagrams of an embodiment of a dew point meter provided by the present invention, which includes a housing 1, a connecting seat 2, a mounting seat 3, a waterproof joint 4, a humidity sensor 5, and a circuit board 6, wherein the connecting seat 2 and the mounting seat 3 are respectively disposed at two ends of the housing 1, the mounting seat 3 is connected to the housing 1 through a bolt, the waterproof joint 4 is disposed on the mounting seat 3, the circuit board 6 is disposed in the housing 1, two ends of the circuit board 6 are respectively disposed in the housing 1 through circuit board fixing members 61, an inner wall of the housing 1 is provided with a heat dissipation ring groove 11, an outer wall of the housing 1 is provided with a heat dissipation fin 12, the humidity sensor 5 is disposed in the connecting seat 2, a sealing plate 21 is disposed in the connecting seat 2, the sealing plate 21 is used for separating the connecting seat 2 from the outside, the sealing plate 21 is provided with a threading hole, a lead of the humidity sensor 5, the periphery of probe 51 is provided with dust screen cover 7, and dust screen cover 7 is connected with connecting seat 2, and circuit board 6 is connected with water joint 4 and humidity transducer 5 respectively.
The inner wall of the shell 1 is provided with the heat dissipation ring groove 11, the outer wall of the shell 1 is provided with the heat dissipation fins 12, and the heat dissipation ring groove 11 and the heat dissipation fins 12 increase the heat dissipation area of the shell 1, so that the heat dissipation performance of the shell 1 can be improved, the heat generated by the circuit board 6 can be dissipated quickly, and the service life of the dew point instrument is effectively prolonged; a sealing plate 21 is arranged in the connecting seat 2, and the connecting seat 2 is separated from the outside through the sealing plate 21, so that outside air can be prevented from entering the shell 1; the dustproof net cover 7 is arranged on the periphery of the probe 51, so that the attachment of dust particles in gas to the probe 51 can be prevented, the probe 51 is prevented from being polluted, and the dustproof net cover is simple in structure and small in size.
The shell 1 is connected with the connecting seat 2 through threads, and the end part of the shell 1 extends into the connecting seat 2 and is pressed against the closing plate 21. Casing 1 is connected with connecting seat 2 through the screw thread, convenient to detach and installation, and 1 tip of casing supports presses on shrouding 21, and casing 1 and connecting seat 2 mutually support and make shrouding 21 set up firmly in connecting seat 2, avoid shrouding 21 to take place not hard up, reduce the clearance between 1 internals of casing.
The outer wall in the middle of the casing 1 is provided with connecting threads 13, the radiating fins 12 are arranged on the outer wall of the upper part of the casing 1, and the radiating fins 12 are provided with radiating holes 121. By providing the heat radiation holes 121 in the heat radiation fins 12, the heat radiation performance of the case 1 can be further improved.
The mounting base 3 is provided with a base cover 31, the base cover 31 is provided with a liquid crystal display panel 8, the mounting base 3 is internally provided with a wiring board 32, the liquid crystal display panel 8 is connected with a circuit board 6 through the wiring board 32, the circuit board 6 comprises a preprocessing amplifying circuit 62, a filter circuit 63, an analog-to-digital conversion circuit 64 and a single chip microcomputer 65 which are sequentially connected, the single chip microcomputer 65 is connected with the liquid crystal display panel 8, and the humidity sensor 5 is connected with the preprocessing amplifying circuit 62.
When the gas containing moisture flows through the humidity sensor 5, the humidity sensor 5 detects the moisture in the gas and converts the moisture into an electric signal, the electric signal is amplified by the preprocessing amplifying circuit 62, filtered by the filtering circuit 63 and subjected to analog-to-digital conversion by the analog-to-digital conversion circuit 64 and then sent to the single chip microcomputer 65, the single chip microcomputer 65 processes the input digital signal according to the programmed data processing program of the parameter value, and the result is displayed by the liquid crystal display panel 8, so that the detection data can be displayed and read on site, and the data display is not required to be realized by an upper computer or a secondary instrument.
The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention should be included within the scope of the present invention.
Claims (8)
1. A dew point meter, characterized by: including casing, connecting seat, mount pad, water joint, humidity transducer, circuit board, connecting seat and mount pad set up respectively the both ends of casing, water joint sets up on the mount pad, the circuit board sets up in the casing, the inner wall of casing is provided with the heat dissipation annular, the outer wall of casing is provided with radiating fin, humidity transducer sets up in the connecting seat, just humidity transducer's probe stretches out outside the connecting seat, the periphery of probe is provided with the dust screen cover, the circuit board respectively with water joint and humidity transducer connect.
2. A dew point instrument as claimed in claim 1, wherein: the two ends of the circuit board are respectively arranged in the shell through circuit board fixing parts.
3. A dew point instrument as claimed in claim 1, wherein: a sealing plate is arranged in the connecting seat and used for separating the connecting seat from the outside, a threading hole is formed in the sealing plate, and a lead of the humidity sensor penetrates through the threading hole to be connected with the circuit board.
4. A dew point instrument as claimed in claim 1, wherein: the mounting seat is connected with the shell through a bolt.
5. A dew point instrument as claimed in claim 3, wherein: the shell is connected with the connecting seat through threads, and the end part of the shell extends into the connecting seat and is pressed against the sealing plate.
6. A dew point instrument as claimed in claim 3, wherein: the outer wall in the middle of the shell is provided with connecting threads, the radiating fins are arranged on the outer wall of the upper portion of the shell, and radiating holes are formed in the radiating fins.
7. Dew point meter according to claim 5, characterized in that: the mounting seat is provided with a seat cover, the seat cover is provided with a liquid crystal display panel, the circuit board comprises a preprocessing amplifying circuit, a filter circuit, an analog-to-digital conversion circuit and a single chip microcomputer which are sequentially connected, the single chip microcomputer is connected with the liquid crystal display panel, and the humidity sensor is connected with the preprocessing amplifying circuit.
8. Dew point instrument according to claim 7, characterized in that: a wiring board is arranged in the mounting seat, and the liquid crystal display panel is connected with the circuit board through the wiring board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921695186.1U CN210690460U (en) | 2019-10-09 | 2019-10-09 | Dew point instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921695186.1U CN210690460U (en) | 2019-10-09 | 2019-10-09 | Dew point instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210690460U true CN210690460U (en) | 2020-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921695186.1U Active CN210690460U (en) | 2019-10-09 | 2019-10-09 | Dew point instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210690460U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112268930A (en) * | 2020-12-07 | 2021-01-26 | 广州奥松电子有限公司 | Dew point sensor |
| CN112730517A (en) * | 2020-12-07 | 2021-04-30 | 广州奥松电子有限公司 | Dew point refrigerating system and dew point detector thereof |
| CN112730518A (en) * | 2020-12-07 | 2021-04-30 | 广州奥松电子有限公司 | High radiating dew point detection device |
| CN112816523A (en) * | 2020-12-30 | 2021-05-18 | 广州奥松电子有限公司 | Dew point meter with belt cleaning device |
| CN112858389A (en) * | 2020-12-31 | 2021-05-28 | 广州奥松电子有限公司 | Imaging dew point meter |
| CN112858388A (en) * | 2020-12-30 | 2021-05-28 | 广州奥松电子有限公司 | Chilled-mirror dew-point hygrometer probe |
| CN112858387A (en) * | 2020-12-30 | 2021-05-28 | 广州奥松电子有限公司 | Dew point detection device capable of filtering gas |
| WO2022120987A1 (en) * | 2020-12-07 | 2022-06-16 | 广州奥松电子有限公司 | Condensation system and dew-point instrument thereof |
| WO2022141143A1 (en) * | 2020-12-30 | 2022-07-07 | 广州奥松电子有限公司 | Dew point instrument having cleaning device |
-
2019
- 2019-10-09 CN CN201921695186.1U patent/CN210690460U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112268930A (en) * | 2020-12-07 | 2021-01-26 | 广州奥松电子有限公司 | Dew point sensor |
| CN112268930B (en) * | 2020-12-07 | 2021-04-13 | 广州奥松电子有限公司 | Dew point sensor |
| CN112730517A (en) * | 2020-12-07 | 2021-04-30 | 广州奥松电子有限公司 | Dew point refrigerating system and dew point detector thereof |
| CN112730518A (en) * | 2020-12-07 | 2021-04-30 | 广州奥松电子有限公司 | High radiating dew point detection device |
| WO2022120987A1 (en) * | 2020-12-07 | 2022-06-16 | 广州奥松电子有限公司 | Condensation system and dew-point instrument thereof |
| WO2022120990A1 (en) * | 2020-12-07 | 2022-06-16 | 广州奥松电子有限公司 | Dew point sensor |
| CN112816523A (en) * | 2020-12-30 | 2021-05-18 | 广州奥松电子有限公司 | Dew point meter with belt cleaning device |
| CN112858388A (en) * | 2020-12-30 | 2021-05-28 | 广州奥松电子有限公司 | Chilled-mirror dew-point hygrometer probe |
| CN112858387A (en) * | 2020-12-30 | 2021-05-28 | 广州奥松电子有限公司 | Dew point detection device capable of filtering gas |
| WO2022141143A1 (en) * | 2020-12-30 | 2022-07-07 | 广州奥松电子有限公司 | Dew point instrument having cleaning device |
| CN112858389A (en) * | 2020-12-31 | 2021-05-28 | 广州奥松电子有限公司 | Imaging dew point meter |
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