CN212722700U - Condensation detector - Google Patents
Condensation detector Download PDFInfo
- Publication number
- CN212722700U CN212722700U CN202021798830.0U CN202021798830U CN212722700U CN 212722700 U CN212722700 U CN 212722700U CN 202021798830 U CN202021798830 U CN 202021798830U CN 212722700 U CN212722700 U CN 212722700U
- Authority
- CN
- China
- Prior art keywords
- condensation
- temperature
- main control
- control unit
- humidity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009833 condensation Methods 0.000 title claims abstract description 74
- 230000005494 condensation Effects 0.000 title claims abstract description 73
- 238000001514 detection method Methods 0.000 claims abstract description 52
- 230000005540 biological transmission Effects 0.000 claims abstract description 35
- 239000000523 sample Substances 0.000 claims abstract description 16
- 238000004891 communication Methods 0.000 claims description 23
- 238000012544 monitoring process Methods 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 abstract description 2
- 230000003321 amplification Effects 0.000 abstract 3
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 3
- 230000003287 optical effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004148 unit process Methods 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Images
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The application provides a condensation detector, which comprises a detection main body, a monitoring probe, a condensation detection plate, a power module, a transmission module and a shell wrapping the detection main body, wherein the condensation detection plate and the monitoring probe are arranged on the surface of the shell, the detection main body comprises a main control unit, a temperature and humidity detection unit and an amplification circuit, the main control unit is electrically connected with the temperature and humidity detection unit and the amplification circuit respectively, the amplification circuit is electrically connected with the condensation detection plate, the temperature and humidity detection unit is electrically connected with the monitoring probe, the power module and the transmission module are arranged outside the shell, the main control unit is also electrically connected with the power module and the transmission module respectively, and the transmission module can be in wired transmission or wireless transmission; the utility model discloses use temperature and humidity measurement as leading, the water droplet detects for supplementary mode, improves and detects the precision, designs multiple transmission mode, and the practicality is strong.
Description
Technical Field
The application relates to the technical field of condensation detection, in particular to a condensation detector.
Background
At present, three methods for detecting condensation are mainly used, (1) a temperature and humidity sensor, (2) a capacitance condensation sensor, and (3) an optical condensation sensor. The temperature and humidity sensor mainly measures the temperature and humidity in the environment, the relative temperature and humidity value obtained by measurement is calculated to obtain an absolute temperature and humidity value, then the current dew point temperature is obtained through the corresponding relation between the absolute humidity and the dew point temperature, and the current dew point temperature is compared with a set dew point temperature value to judge whether condensation is generated; the capacitance condensation sensor applies the electrical principle, the effective dielectric constant of the dielectric layer before and after condensation changes, the capacitance value is different, and a chip is adopted to measure the capacitance value, so that the condensation state is measured; the optical condensation sensor is usually a cold mirror type condensation sensor, adopts an optical principle, obviously weakens the reflection capacity of a mirror surface to light after the condensation state occurs, detects whether the condensation state occurs or not by detecting the change of reflected light, has a light path system, has a complex structure, needs to use liquid nitrogen or dry ice as a cold source, needs to use a corresponding evaporator, has larger volume and complex operation, and is difficult to control the temperature; therefore, it is required to improve the accuracy of the dew detection.
SUMMERY OF THE UTILITY MODEL
An object of this application is to provide a condensation detector, and it combines temperature and humidity sensor and condensation pick-up plate to detect the condensation, and it is high to detect the precision, and the practicality is strong, convenient operation.
The embodiment of the application is realized by the following technical scheme:
the utility model provides a condensation detector, is including detecting main part, monitor probe, condensation pick-up plate and parcel the casing of detection main part, the condensation pick-up plate with monitor probe all sets up the surface of casing, the detection main part includes main control unit, temperature and humidity detection unit and amplifier circuit, main control unit electric connection respectively temperature and humidity detection unit and amplifier circuit, amplifier circuit with condensation pick-up plate electric connection, temperature and humidity detection unit with monitor probe electric connection. The monitoring probe is used for detecting the temperature and humidity of an environment and transmitting detected temperature and humidity data to the temperature and humidity detection unit, the temperature and humidity detection unit transmits the temperature and humidity data to the main control unit, the main control unit processes, calculates and judges the received temperature and humidity data to obtain a judgment result, controls whether water drops are attached to the condensation detection plate or not, and the main control unit generates an early warning or alarm signal according to the detection result.
Preferably, the main control unit comprises a microprocessor chip, and the temperature and humidity detection unit comprises a temperature and humidity sensor.
Preferably, the condensation detection plate comprises a positive electrode, a negative electrode and an insulating layer, the positive electrode and the negative electrode are positioned on the same side of the insulating layer, the positive electrode and the negative electrode are arranged in a staggered manner, and the positive electrode and the negative electrode are respectively connected with the amplifying circuit. When condensation appears on the condensation detection plate, the condensation conducts the positive electrode and the negative electrode, and the electric signal is transmitted to the main control unit through the amplifying circuit.
Preferably, the condensation detector is further provided with a power module, the power module comprises a power positive electrode lead and a power negative electrode lead, the power module is arranged outside the shell, and the power module is electrically connected with the main control unit. The power module supplies power to the condensation detector.
Preferably, the condensation detector further comprises a transmission module, the transmission module is arranged outside the housing, and the transmission module is electrically connected with the main control unit. The transmission module is used for transmitting the early warning signal or the alarm signal sent by the main control unit.
Preferably, the transmission module includes a signal TX wire and a signal GND wire. The transmission module is in wired transmission, and the type of the output signal is a TTL signal.
Preferably, the transmission module includes a DTU front-end node device and a communication interface, the communication interface is disposed on the housing, the communication interface is electrically connected to the main control unit, and the DTU front-end node terminal device is electrically connected to the communication interface. The transmission module can be in wireless transmission, and after the main control unit transmits the early warning signal or the alarm signal to the DTU front-end node terminal equipment, the DTU front-end node terminal equipment transmits the early warning signal or the alarm signal to the terminal node equipment in a wireless communication mode.
Preferably, the communication interface is an RS232 communication interface.
The technical scheme of the embodiment of the application has at least the following advantages and beneficial effects:
1. the utility model is provided with a temperature and humidity sensor and a condensation detection plate, adopts temperature and humidity detection as a leading part and water drop detection as an auxiliary mode, and improves the detection precision;
2. the utility model designs a plurality of transmission modes, which can not only ensure the accuracy of data transmission, but also improve the practicability of the condensation detector;
this application reasonable in design, simple structure, easy operation, it is high to detect the precision.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic structural diagram of a condensation detector provided in embodiment 1 of the present application;
fig. 2 is a schematic structural diagram of a condensation detector provided in embodiment 2 of the present application;
FIG. 3 is a flow chart of the dew detector of the present invention;
icon: the device comprises a shell, a monitoring probe, a 3-condensation detection plate, a 31-positive electrode, a 32-negative electrode, an insulating layer, a 4-power supply positive electrode lead, a 5-power supply negative electrode lead, a 6-signal TX lead, a 7-signal GND lead and an 8-communication interface.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present application, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the product of the application is used, the description is only for convenience and simplicity, and the indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present application.
In the description of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Example 1
As shown in fig. 1, a condensation detector, including detection main part, monitor probe 2, condensation detecting plate 3 and parcel casing 1 of detection main part, condensation detecting plate 3 with monitor probe 2 all sets up the surface of casing 1, the detection main part includes main control unit, temperature and humidity detection unit and amplifier circuit, main control unit electric connection respectively temperature and humidity detection unit and amplifier circuit, amplifier circuit with condensation detecting plate 3 electric connection, temperature and humidity detection unit with 2 electric connection of monitor probe. The monitoring probe 2 is used for detecting the temperature and humidity of an environment and transmitting detected temperature and humidity data to the temperature and humidity detection unit, the temperature and humidity detection unit transmits the temperature and humidity data to the main control unit, the main control unit processes, calculates and judges the received temperature and humidity data to obtain a judgment result, controls whether water drops are attached to the condensation detection plate 3 or not, and the main control unit generates an early warning or alarm signal according to the detection result.
The main control unit comprises a micro-processing chip, and the temperature and humidity detection unit comprises a temperature and humidity sensor.
As shown in fig. 3, the monitoring probe 2 collects a relative temperature value and a relative humidity value of a current environment and transmits the relative temperature value and the relative humidity value to the temperature and humidity sensor, the temperature and humidity sensor converts the relative temperature value and the relative humidity value into signals to be transmitted to the microprocessor chip, the microprocessor chip obtains a maximum saturation vapor pressure of the current environment according to a corresponding relationship between the relative temperature and the maximum saturation vapor pressure after receiving the relative temperature data and the relative humidity data input by the microprocessor chip, converts the relative temperature data into an absolute temperature according to a formula, calculates an absolute humidity of the current environment according to the saturation vapor pressure, a gas constant and the absolute temperature, and converts the current dew point temperature into the absolute humidity according to a corresponding relationship between the absolute humidity and the dew point after calculating the absolute humidity. And finally, calculating the relative temperature difference of the temperature by the dew point temperature and the current relative temperature, comparing the relative error with a preset condensation early warning threshold value, and judging the current air environment state. If the relative temperature difference is larger than the early warning threshold value, the temperature and humidity detection unit continues to execute the operation; and if the relative temperature difference is smaller than the early warning threshold value, the condensation detection plate detects whether condensation is generated, if the condensation is generated, the main control unit outputs a condensation alarm signal, and if no condensation is generated, the main control unit outputs a condensation early warning signal.
The condensation detection plate 3 comprises a positive electrode 31, a negative electrode 32 and an insulating layer 33, wherein the positive electrode 31 and the negative electrode 32 are positioned on the same side of the insulating layer 33, the positive electrode 31 and the negative electrode 32 are arranged in a staggered mode, and the positive electrode 31 and the negative electrode 32 are respectively connected with the amplifying circuit. When condensation appears on the condensation detection plate 3, the condensation conducts the positive electrode 31 and the negative electrode 32, an electric signal is transmitted to the main control unit through the amplifying circuit, and after the condensation state appears, the degree of condensation of the current sensor can be detected and judged according to a voltage signal output by the amplifying circuit.
The condensation detector is further provided with a power supply module, the power supply module comprises a power supply positive electrode lead 4 and a power supply negative electrode lead 5, the power supply module is arranged outside the shell 1, and the power supply module is electrically connected with the main control unit. The power supply module is used as a power transmission medium to supply power for the condensation detector.
The condensation detector further comprises a transmission module, the transmission module is arranged outside the shell 1, and the transmission module is electrically connected with the main control unit. The transmission module is used for transmitting the early warning signal or the alarm signal sent by the main control unit.
The transmission module comprises a signal TX conductor 6 and a signal GND conductor 7. The transmission module is in wired transmission, the type of the output signal is a TTL signal, the condensation detection adopts a wired mode to perform data interaction with equipment for receiving the early warning signal, and a communication protocol adopts a CRC (cyclic redundancy check) mode, so that the accuracy of data transmission can be ensured.
Example 2
As shown in fig. 2, the basic structure of the embodiment is substantially the same as that of the embodiment, except that the transmission module includes a DTU front-end node terminal device and a communication interface 8, the communication interface 8 is disposed on the housing 1, the communication interface 8 is electrically connected with the main control unit, and the DTU front-end node terminal device is electrically connected with the communication interface 8. The transmission module can be in wireless transmission, and after the main control unit transmits the early warning signal or the alarm to the DTU front-end node terminal equipment, the DTU front-end node terminal equipment transmits the early warning signal or the alarm to the terminal node equipment in a wireless communication mode.
The communication interface 8 is an RS232 communication interface 8, and the condensation detector and the DTU terminal equipment directly perform data interaction in an RS232 communication mode.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (8)
1. The utility model provides a condensation detector, its characterized in that, including detection main part, monitor probe (2), condensation pick-up plate (3) and parcel casing (1) of detection main part, condensation pick-up plate (3) with monitor probe (2) all set up the surface of casing (1), the detection main part includes main control unit, temperature and humidity detection unit and amplifier circuit, main control unit electric connection respectively temperature and humidity detection unit and amplifier circuit, amplifier circuit with condensation pick-up plate (3) electric connection, temperature and humidity detection unit with monitor probe (2) electric connection.
2. The condensation detector of claim 1, wherein the main control unit comprises a microprocessor chip and the temperature and humidity detection unit comprises a temperature and humidity sensor.
3. The condensation detector according to claim 2, wherein the condensation detection plate (3) comprises a positive electrode (31), a negative electrode (32) and an insulating layer (33), the positive electrode (31) and the negative electrode (32) are located on the same side of the insulating layer (33), the positive electrode (31) and the negative electrode (32) are arranged in a staggered manner, and the positive electrode (31) and the negative electrode (32) are respectively connected with the amplifying circuit.
4. The condensation detector according to claim 3, further comprising a power module, wherein the power module comprises a positive power lead (4) and a negative power lead (5), the power module is disposed outside the housing (1), and the power module is electrically connected to the main control unit.
5. The condensation detector according to claim 4, further comprising a transmission module disposed outside the housing (1), wherein the transmission module is electrically connected to the main control unit.
6. A condensation detector according to claim 5, characterized in that the transmission module comprises a signal TX lead (6) and a signal GND lead (7).
7. A condensation detector according to claim 5, characterized in that the transmission module comprises a DTU front end node terminal device and a communication interface (8), the communication interface (8) is arranged on the housing (1), the communication interface (8) is electrically connected with the main control unit, and the DTU front end node terminal device is electrically connected with the communication interface (8).
8. A condensation detector according to claim 7, wherein the communication interface (8) is an RS232 communication interface (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021798830.0U CN212722700U (en) | 2020-08-25 | 2020-08-25 | Condensation detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021798830.0U CN212722700U (en) | 2020-08-25 | 2020-08-25 | Condensation detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212722700U true CN212722700U (en) | 2021-03-16 |
Family
ID=74924419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021798830.0U Active CN212722700U (en) | 2020-08-25 | 2020-08-25 | Condensation detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212722700U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119224073A (en) * | 2024-11-28 | 2024-12-31 | 成都瑞达科讯科技有限公司 | A water vapor condensation probe, monitoring device and method |
-
2020
- 2020-08-25 CN CN202021798830.0U patent/CN212722700U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119224073A (en) * | 2024-11-28 | 2024-12-31 | 成都瑞达科讯科技有限公司 | A water vapor condensation probe, monitoring device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108871498A (en) | Condenser type adaptive universal liquid level emasuring device and method | |
| CN210572119U (en) | Special oxygen concentration detection device for plateau | |
| CN211741143U (en) | Portable air anion concentration detector | |
| CN212722700U (en) | Condensation detector | |
| CN215181460U (en) | Oxygenerator and intelligent running state monitored control system thereof | |
| EP4270004A1 (en) | Tiered gas monitoring for battery failures | |
| CN208239855U (en) | Clean room environment monitor | |
| CN105571795B (en) | A kind of GIS principal faults diagnostic system and method | |
| CN213632255U (en) | Membrane type flowmeter | |
| CN217585954U (en) | Multi-parameter measuring liquid level meter | |
| CN202350927U (en) | Intelligently universal digital display device | |
| CN201122646Y (en) | Accumulator with checking device | |
| CN212301927U (en) | Device for detecting surface icing | |
| CN214175265U (en) | Humidity alarm circuit and device | |
| CN113390960A (en) | Multifunctional integrated oxygen sensor | |
| CN211348123U (en) | Gas detection probe | |
| CN213874455U (en) | Indoor microenvironment intelligent sensing device | |
| CN202795671U (en) | Gas alarm | |
| CN212073571U (en) | Tire pressure detection system | |
| CN112687083A (en) | Intelligent electronic nanny system based on Bluetooth technology | |
| CN221725412U (en) | BOSA temperature measurement system and optical network terminal | |
| CN215726402U (en) | Temperature sensor based on Zigbee | |
| CN206862880U (en) | A kind of gas molecule detection means | |
| CN222124578U (en) | Temperature and pressure integrated detection device | |
| CN218584739U (en) | Oxygen sensor with electronic valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |