CN217212386U - Dew point transducer - Google Patents

Dew point transducer Download PDF

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Publication number
CN217212386U
CN217212386U CN202221105233.4U CN202221105233U CN217212386U CN 217212386 U CN217212386 U CN 217212386U CN 202221105233 U CN202221105233 U CN 202221105233U CN 217212386 U CN217212386 U CN 217212386U
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China
Prior art keywords
sensor
shell
dew point
probes
fixedly installed
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Active
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CN202221105233.4U
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Chinese (zh)
Inventor
陈亮
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Great Guangzhou Measurement And Control Technology Co Ltd
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Great Guangzhou Measurement And Control Technology Co Ltd
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Priority to CN202221105233.4U priority Critical patent/CN217212386U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/10Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation

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Abstract

The utility model discloses a dew point transmitter, which belongs to the technical field of environmental monitoring equipment and comprises a metal shell, a connector shell and a sensor shell, wherein the connector shell is fixedly arranged at one end of the metal shell, the sensor shell is fixedly arranged at the other end of the metal shell, a circuit board is fixedly arranged in the metal shell, a processor is fixedly arranged on the circuit board, a sensor is fixedly arranged in the sensor shell, a plurality of through holes matched with the sensor probes are arranged on the sensor shell, the probes of the sensor are fixedly arranged in the through holes, an electrical connector is fixedly arranged in the connector shell, the sensor, the processor and the electrical connector are coupled with the circuit board, the dew point transmitter can meet various industrial measurement requirements, and is convenient for high-efficiency use by users, the dew point transmitter has good measurement precision and use flexibility.

Description

Dew point transducer
Technical Field
The utility model belongs to the technical field of the environmental monitoring equipment, specifically speaking relates to a dew point changer.
Background
Dew point, also known as dew point temperature, is the temperature to which, in meteorology, gaseous water contained in air is saturated and condensed into liquid water at a fixed pressure. At this temperature, the condensed water floats in the air and is called mist, and when it sticks to a solid surface, it is called dew point. The dew value measurement is widely applied to industrial fields and process environments with strict requirements on gas humidity, such as petrifaction, electric power, electronics, aerospace, metallurgy, textile and the like, so as to ensure that high-quality products or equipment can normally operate.
The existing dew point transmitter can only output one parameter of a dew point, cannot measure and output a plurality of parameters, and a user cannot configure the parameters inside the dew point transmitter when using the dew point transmitter.
SUMMERY OF THE UTILITY MODEL
Can not measure and export a plurality of parameters to current, can not dispose dew point meter transducer inside parameter during the use, the product lacks the problem of flexibility and configurability, the utility model provides a dew point transducer.
In order to solve the above problem, the utility model adopts the following technical scheme:
the utility model provides a dew point changer, includes metal casing, joint casing and sensor housing, joint casing fixed mounting be in metal casing's one end, sensor housing fixed mounting be in metal casing's the other end, fixed mounting has the circuit board in the metal casing, fixed mounting has the treater on the circuit board, fixed mounting has the sensor in the sensor housing, the sensor is sealed to be pour in the sensor housing, be equipped with on the sensor housing a plurality of with sensor probe assorted through-hole, the probe fixed mounting of sensor is in the through-hole, fixed mounting has electrical joint in the joint housing, the sensor the treater with electrical joint all with the circuit board coupling.
In order to facilitate the installation, preferably, the metal shell is provided with external threads, and the metal shell is fixedly provided with a square block.
In order to configure the internal parameters of the dew point transmitter, preferably, the electrical connector is a plug-in connector, and the electrical connector is an RS485 digital communication interface.
In order to be more convenient for users to use, further, the output analog quantity of the electric connector is 4-20 mA.
In order to be more specific to the measurement data, it is preferable that the sensor probes include a dew point probe, a frost point probe, a temperature probe, a relative humidity probe, an absolute humidity probe, a mixture ratio probe, an enthalpy probe, and a wet bulb temperature probe.
To switch the operating mode of the dew point transmitter, further, the sensor probe may also comprise a pressure probe.
Compared with the prior art, the utility model provides a dew point changer, the utility model discloses possess following beneficial effect:
the device in not involving the part all the same with prior art or can adopt prior art to realize, the utility model discloses a plurality of through-holes on the sensor housing, can let a plurality of probes and the external environment contact of sensor, to the dew point, the frost point, the temperature, relative humidity, absolute humidity, the mixing ratio, enthalpy and wet bulb temperature are measured, can deal with various industrial measurement demands, can conveniently install fast in narrow and small space or pipeline through external screw thread and the square edge piece on the metal casing, electrical connector supports Modbus RTU agreement, can dispose dew point transducer's internal parameter through the agreement, convenience of customers high-efficient use, through high accuracy sensor and high performance digital processing unit, let dew point transducer have good measurement accuracy and use flexibility ratio.
Drawings
Fig. 1 is a schematic diagram of an external structure of a dew point transmitter according to the present invention;
fig. 2 is the utility model provides an internal device structure schematic diagram of dew point transmitter.
In the figure: 1. a metal housing; 101. a square edge block; 2. a joint housing; 3. a sensor housing; 301. a through hole; 4. a sensor; 5. a circuit board; 6. a processor; 7. an electrical connector.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example (b):
referring to fig. 1-2, a dew point transmitter comprises a metal shell 1, a connector shell 2 and a sensor shell 3, wherein the connector shell 2 is fixedly installed at one end of the metal shell 1, the sensor shell 3 is fixedly installed at the other end of the metal shell 1, a circuit board 5 is fixedly installed in the metal shell 1, a processor 6 is fixedly installed on the circuit board 5, a sensor 4 is fixedly installed in the sensor shell 3, the sensor 4 is hermetically poured in the sensor shell 3, a plurality of through holes 301 matched with probes of the sensor 4 are formed in the sensor shell 3, the probes of the sensor 4 are fixedly installed in the through holes 301, an electrical connector 7 is fixedly installed in the connector shell 2, and the sensor 4, the processor 6 and the electrical connector 7 are all coupled with the circuit board 5.
Be equipped with external screw thread on metal casing 1, fixed mounting has square limit piece 101 on metal casing 1, is fixed in the opening screw thread of measuring pipe with the dew point transmitter through external screw thread and square limit piece 101.
The electrical connector 7 is a plug-in connector, the electrical connector 7 is an RS485 digital communication interface and supports a Modbus RTU protocol, the output analog quantity of the electrical connector 7 is 4-20 mA, and internal parameters such as the output range, the pressure and the baud rate of the dew-point transmitter are configured through the protocol.
The probe of the sensor 4 comprises a dew point probe, a frost point probe, a temperature probe, a relative humidity probe, an absolute humidity probe, a mixing ratio probe, an enthalpy probe and a wet bulb temperature probe, the probe of the sensor 4 further comprises a pressure probe, the dew point is converted into a normal pressure dew point or pressure dew point to be output by setting a pressure threshold, and the sensor 4 can adopt a high-precision sensor originally installed at an inlet.
The utility model discloses be applied to environmental monitoring equipment technical field, gather through sensor 4 and measure the dew point, the frost point, the temperature, relative humidity, absolute humidity, the mixing ratio, the enthalpy, wet bulb temperature data and pressure value, judge the pressure value through treater 6, compare according to the pressure value of predetermineeing pressure threshold value and collection, convert ordinary pressure dew point or pressure dew point output into according to the comparison result, when the dew point temperature that sensor 4 measured is very low, treater 6 can automatic calibration, dispose one of them parameter through host computer interface and export through 4 ~ 20mA simulation interface, and dispose its range scope that corresponds.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims (6)

1. The dew point transmitter is characterized by comprising a metal shell (1), a connector shell (2) and a sensor shell (3), wherein the connector shell (2) is fixedly installed at one end of the metal shell (1), the sensor shell (3) is fixedly installed at the other end of the metal shell (1), a circuit board (5) is fixedly installed in the metal shell (1), a processor (6) is fixedly installed on the circuit board (5), a sensor (4) is fixedly installed in the sensor shell (3), the sensor (4) is sealed and poured in the sensor shell (3), a plurality of through holes (301) matched with probes of the sensor (4) are formed in the sensor shell (3), the probes of the sensor (4) are fixedly installed in the through holes (301), an electric connector (7) is fixedly installed in the connector shell (2), the sensor (4), the processor (6) and the electrical connector (7) are all coupled to the circuit board (5).
2. Dew point transmitter as claimed in claim 1, characterized in that the metal housing (1) is provided with external threads, and that a square block (101) is fixedly mounted on the metal housing (1).
3. Dew point transmitter as claimed in claim 1, characterized in that the electrical connection (7) is a plug-in connection and the electrical connection (7) is an RS485 digital communication interface.
4. Dew point transmitter as claimed in claim 3, characterized in that the output analog of the electrical connection (7) is 4-20 mA.
5. Dew point transmitter in accordance with claim 1, characterized in that the sensor (4) probes comprise dew point probes, frost point probes, temperature probes, relative humidity probes, absolute humidity probes, mixture ratio probes, enthalpy probes and wet bulb temperature probes.
6. Dew point transmitter as claimed in claim 5, characterized in that the sensor (4) probe also comprises a pressure probe.
CN202221105233.4U 2022-05-09 2022-05-09 Dew point transducer Active CN217212386U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221105233.4U CN217212386U (en) 2022-05-09 2022-05-09 Dew point transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221105233.4U CN217212386U (en) 2022-05-09 2022-05-09 Dew point transducer

Publications (1)

Publication Number Publication Date
CN217212386U true CN217212386U (en) 2022-08-16

Family

ID=82777240

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221105233.4U Active CN217212386U (en) 2022-05-09 2022-05-09 Dew point transducer

Country Status (1)

Country Link
CN (1) CN217212386U (en)

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