CN215767156U - Temperature and humidity measuring device - Google Patents
Temperature and humidity measuring device Download PDFInfo
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- CN215767156U CN215767156U CN202120016824.3U CN202120016824U CN215767156U CN 215767156 U CN215767156 U CN 215767156U CN 202120016824 U CN202120016824 U CN 202120016824U CN 215767156 U CN215767156 U CN 215767156U
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Abstract
The utility model relates to a temperature and humidity measuring device.A temperature sensor acquires environmental temperature data; the temperature sensor collects environmental humidity data; the data acquisition module is electrically connected with the temperature sensor and the humidity sensor respectively, and performs analog-to-digital conversion on the temperature data and the humidity data to obtain a temperature signal and a humidity signal; the processor is connected with the data acquisition module and is used for processing the temperature signal and the humidity signal; the display is connected with the processor, and according to the temperature signal after handling and the humidity signal display temperature value and humidity value after handling, realized the automation of environment humiture data and acquireed and show, be convenient for detect, do not need the manual data record, improve humiture monitoring efficiency, and further avoid having the data error that manual record leads to improve humiture monitoring's data reliability.
Description
Technical Field
The utility model relates to the technical field of measurement, in particular to a temperature and humidity measuring device.
Background
The statements herein merely provide background information related to the present application and may not necessarily constitute prior art.
Temperature is one of the physical parameters that are common and important in manufacturing processes and scientific experiments. In the actual production process, the measurement of the temperature and the subsequent control are tightly connected with important technical and economic indexes such as production safety, production efficiency, product quality, energy conservation and the like. Humidity is the amount of water vapor in the gas, and a hygrometer is often required to measure or control the humidity of the air or process gas.
The traditional environmental temperature and humidity monitoring mode is that a temperature and humidity detector is manually used for measuring the temperature and the humidity at regular time, and then data are recorded.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide a temperature and humidity measuring device to improve the efficiency of monitoring the temperature and humidity of the environment.
An embodiment of the present invention provides a temperature and humidity measurement apparatus, including:
the temperature sensor is used for acquiring environmental temperature data;
the temperature sensor is used for acquiring environmental humidity data;
the data acquisition module is respectively and electrically connected with the temperature sensor and the humidity sensor and is used for carrying out analog-to-digital conversion on the temperature data and the humidity data to obtain a temperature signal and a humidity signal;
the processor is connected with the data acquisition module and is used for processing the temperature signal and the humidity signal;
and the display is connected with the processor and used for displaying the temperature value and the humidity value according to the processed temperature signal and the processed humidity signal.
The temperature and humidity measuring device provided by the embodiment of the application realizes the acquisition of environment temperature and humidity analog quantity data by utilizing the temperature and humidity data acquisition capacity of the temperature sensor and the humidity sensor, and further realizes analog-to-digital conversion by arranging a data acquisition module to obtain digital signal quantities, namely a temperature signal and a humidity signal, which are convenient to process and calculate, a processor calculates the processing capacity according to the data of the processor, the obtained temperature signal and humidity signal are processed by signal analysis and dynamic compensation and then converted into an actual temperature and humidity value which can reflect the real situation of the environment, and the temperature and humidity data of the environment can be automatically acquired and displayed through the display, the detection is convenient, the data recording is not needed manually, the temperature and humidity monitoring efficiency is improved, and further avoid having the data error that manual record leads to improve the data reliability of humiture monitoring.
In one embodiment, the data acquisition module comprises:
the input end of the signal acquisition unit is respectively connected with the temperature sensor and the humidity sensor;
the input end of the signal amplification unit is connected with the output end of the signal acquisition unit and is used for amplifying the temperature data and the humidity data acquired by the signal acquisition unit;
and the input end of the analog-to-digital conversion unit is connected with the output end of the signal amplification unit, and the output end of the analog-to-digital conversion unit is connected with the input end of the processor.
In one embodiment, the temperature and humidity measuring device further includes:
the temperature sensor, the data acquisition module and the processor are all arranged in a cavity formed by the shell;
the display is embedded in the outer surface of the shell.
In one embodiment, the housing is mounted on a rail.
In one embodiment, the temperature and humidity measuring device further includes:
and the USB interface is electrically connected with the processor.
In one embodiment, the temperature and humidity measuring device further includes:
and the memory is connected with the processor.
In one embodiment, the temperature and humidity measuring device further includes:
and the alarm is connected with the processor.
In one embodiment, the temperature and humidity measuring device further includes:
and the communication module is connected with the processor and is also used for connecting a remote terminal.
In one embodiment, the temperature and humidity measuring device further includes:
and the power supply is electrically connected with the temperature sensor, the data acquisition module and the processor respectively.
In one embodiment, the temperature and humidity measuring device further includes:
and the first timing switch is connected in series on a connecting loop of the power supply and the data acquisition module.
Drawings
The foregoing and other objects, features and advantages of the utility model will be apparent from the following more particular description of preferred embodiments of the utility model, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the utility model.
Fig. 1 is a schematic structural diagram of a temperature and humidity measuring apparatus in an embodiment;
fig. 2 is a schematic structural diagram of a temperature and humidity measuring device in another embodiment;
fig. 3 is a schematic diagram of an external structure of the temperature and humidity measuring apparatus in one embodiment.
Detailed Description
To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element and be integral therewith, or intervening elements may also be present. The terms "mounted," "one end," "the other end," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
An embodiment of the present invention provides a temperature and humidity measurement apparatus, as shown in fig. 1 to 3, including: the temperature sensor 10, the temperature sensor 10 is used for collecting the environmental temperature data; the humidity sensor 20 and the temperature sensor 10 are used for acquiring environmental humidity data; the data acquisition module 30 is used for respectively electrically connecting the temperature sensor 10 and the humidity sensor 20, and the data acquisition module 30 is used for performing analog-to-digital conversion on the temperature data and the humidity data to obtain a temperature signal and a humidity signal; the processor 40 is connected with the data acquisition module 30 and is used for processing the temperature signal and the humidity signal; and the display 50 is connected with the processor 40 and is used for displaying a temperature value and a humidity value according to the processed temperature signal and the processed humidity signal.
The temperature sensor 10 is a sensor that can sense temperature and convert the sensed temperature into a usable output signal, such as sensing temperature and outputting a voltage signal, and the magnitude of the voltage signal is used to represent the magnitude of the temperature value. The humidity sensor 20 is a sensor that can sense the ambient humidity and convert the ambient humidity into an electrical signal, and may be any type of humidity sensor 20 including a resistance-type or capacitance-type humidity sensor, such as a lithium chloride hygrometer, a dew-point lithium chloride hygrometer, an alumina hygrometer, a ceramic humidity sensor 20, and the like. The data acquisition module 30 itself may also include various types of sensors, a communication module 91, and/or a memory chip, etc. The processor 40 may be a single chip, a microprocessor 40, or other device having data calculation and control capabilities. The calculation implementation of the processor 40 for processing the temperature signal and the humidity signal may be implemented by using the existing dynamic compensation algorithm, i.e. the processing does not involve method improvement. The display 50 may be a device having a screen display function such as a liquid crystal display panel. The processor 40 and the display 50 may be connected via a serial port.
Specifically, the method replaces the traditional technology that the environment data is collected manually, and the temperature sensor 10 and the humidity sensor 20 are arranged in the environment range to be monitored to obtain the humidity data and the temperature data which can represent the environment temperature and humidity information, in order to facilitate the monitoring, the data acquisition module 30 is further used to acquire the temperature data and the humidity data, perform analog-to-digital conversion on the temperature data and the humidity data, convert the temperature data and the humidity data into digital quantity signals and transmit the digital quantity signals to the processor 40, after the processor 40 processes the digital quantity signals, the processed temperature signal and humidity signal are sent to the display 50 for displaying, the signal processed by the processor 40 can reflect the temperature and humidity condition of the environment more truly, compared with a mode that the data acquisition module 30 is directly adopted to carry out analog-to-digital conversion and then directly sent to the display 50 to be displayed, the data accuracy of temperature and humidity monitoring can be further improved.
The humiture measuring device provided by the embodiment of the application realizes the acquisition of environmental humiture analog quantity data by utilizing the humiture data acquisition capacity of the temperature sensor 10 and the humidity sensor 20, and further realizes analog-to-digital conversion by arranging the data acquisition module 30 to obtain digital signal quantities, namely temperature signals and humidity signals, which are convenient to process and calculate, the processor 40 calculates the processing capacity according to the data of the processor, the obtained temperature signal and humidity signal are processed by signal analysis and dynamic compensation and then converted into an actual temperature and humidity value which can reflect the real situation of the environment, and the temperature and humidity data of the environment can be automatically obtained and displayed through the display 50, the detection is convenient, the data recording is not needed manually, the temperature and humidity monitoring efficiency is improved, and further avoid having the data error that manual record leads to improve the data reliability of humiture monitoring.
In one embodiment, the data acquisition module 30 includes: the input end of the signal acquisition unit is respectively connected with the temperature sensor 10 and the humidity sensor 20; the input end of the signal amplification unit is connected with the output end of the signal acquisition unit and is used for amplifying the temperature data and the humidity data acquired by the signal acquisition unit; and the input end of the analog-to-digital conversion unit is connected with the output end of the signal amplification unit, and the output end of the analog-to-digital conversion unit is connected with the input end of the processor 40.
The signal acquisition unit is a device capable of acquiring and transmitting data, and may include a wireless radio transceiver, for example, the wireless radio transceiver is connected to the temperature sensor 10 and the humidity sensor 20 in a wireless communication manner, and receives the temperature data and the humidity data acquired by the temperature sensor 10 and the humidity sensor 20 disposed in the environment. The signal acquisition unit may also include a data interface that is wired to the temperature sensor 10 and the humidity sensor 20 to acquire temperature data and humidity data. The signal amplification unit may be an amplification circuit, an input end of the signal amplification unit is connected with an output end of the signal acquisition unit, for example, the signal acquisition unit acquires temperature data and humidity data, the temperature data and the humidity data are represented by voltage signals, the signal amplification unit amplifies corresponding voltage signals, the amplified signals are input to the analog-to-digital conversion unit, the analog-to-digital conversion unit performs analog-to-digital conversion on the voltage signals to generate digital quantity signals, and the digital quantity signals are input to the processor 40, so that the processor 40 can conveniently perform subsequent data processing and display driving. The processor 40 may be a single chip microcomputer or the like. In one embodiment, the apparatus includes an integrating circuit and an impedance converting circuit, the signal processed by the signal amplifying unit is input to the integrating circuit, and the data processed by the integrating circuit is processed by the impedance converting circuit and output to the processor 40.
In one embodiment, the temperature and humidity measuring device further includes: the shell 60, the temperature sensor 10, the data acquisition module 30 and the processor 40 are all arranged in a cavity formed by the shell 60; the display 50 is embedded in the outer surface of the housing 60.
The housing 60 may be made of waterproof and corrosion-proof material, among others. The shape of the housing 60 is determined to fit the layout of the electrical components in the cavity of the housing 60. for example, the housing 60 may be rectangular, circular, oval, etc. The temperature and humidity measuring device provided by the embodiment of the application can adapt to various scenes, such as outdoor environments of steel rail tracks and the like, can prevent wind and water and prolong the service life by integrating the electrical devices inside the shell 60. In addition, in order to well display the temperature and humidity values, the display 50 is embedded in the surface of the shell 60, and one side of the display 50 used for displaying the values faces outwards, so that the user can conveniently observe the values. Alternatively, the housing 60 is a rectangular parallelepiped with a length, width and height of 120mm × 113mm × 33 mm. The side of the housing 60 is provided with heat dissipation holes 93, and the heat dissipation holes 93 are used for dissipating heat of the electrical devices disposed in the cavity of the housing 60.
In one embodiment, the temperature and humidity measuring device further includes: function keys electrically connected to the processor 40. The function keys may be disposed within a cavity of the housing 60 and may be disposed in correspondence with resilient buttons on the surface of the housing 60 that, when forced downward by a user, may activate the function keys in the corresponding locations. The function keys may be keys for adjusting time, and for example, may include menu keys for triggering both acquisition and time setting modes. It also includes adjusting key for increasing and decreasing time, and also includes confirming key. The implementation process of setting time through keys can refer to the setting scheme of the system time in the minimum system of the single chip microcomputer in the prior art.
In one embodiment, the display 50 is an LED display screen.
In one embodiment, the housing 60 is mounted on a rail. The temperature and humidity measuring device provided by the embodiment of the application can be applied to temperature and humidity monitoring of the environment where the steel rail is located, and can monitor temperature and humidity data of the environment where the steel rail is located by pasting or binding the shell 60 on the steel rail, and can display the temperature and humidity data through the display 50 to realize monitoring of the temperature and humidity of the environment where the steel rail is located. The housing 60 may also be mounted on a rail foundation pile.
In one embodiment, the temperature and humidity measuring device further includes: and the USB interface 70, wherein the USB interface 70 is electrically connected with the processor 40. By arranging the USB interface 70, the data processed by the processor 40 can be conveniently acquired and exported. The exported data format can be TXT/XLS/PDF and other formats, so that the user can conveniently export and store the data to a desired path, and the subsequent report making and data analysis are facilitated. For example, the computer is connected to the temperature and humidity measuring device through the USB interface 70, and relevant data is derived, and by means of the function of the Windows system, after the data is successfully derived, the success of the derivation can be prompted, so that the user experience is good.
In one embodiment, the display 50 is a touch screen display, and the user can calibrate and set the device time by clicking a function icon on the touch screen display. The acquisition period of the signal acquisition module and the period of reporting and storing data by the processor 40 can also be set by clicking a function icon on the touch screen. A temperature upper limit value may also be set.
In one embodiment, the temperature and humidity measuring device further includes: memory 80, memory 80 is coupled to processor 40. The memory 80 may employ a flash storage method. The memory 80 may store not less than 260000 sets of temperature and humidity data. The measurement precision of the temperature sensor 10 can be +/-0.5 ℃, +/-0.2 ℃ or +/-0.1 ℃, the measurement range of the temperature sensor 10 can be-40 to +80 ℃, and the type of the sensor can be selected according to the requirements of actual application scenes. The temperature and humidity measuring device can also set the timing start/timing stop of the device through a display screen or a function key. For example, after the stored icon is started when the display screen is selected, the temperature and humidity measuring device can be set to store data in a specified time period. Data query can also be performed by triggering function icons on the display screen, for example, query can be performed according to date, name and the like.
In one embodiment, the temperature and humidity measuring device further includes: alarm 90, alarm 90 is connected with processor 40.
The alarm 90 is used for executing an alarm action when the temperature and the humidity exceed a limit value. For example, the specific configuration of the alarm 90 may be an audible and visual alarm, and if the processor 40 determines that the temperature signal value obtained after the analog-to-digital conversion is greater than the set upper temperature limit (for example, 32 ℃), it indicates that the ambient temperature of the steel rail or other target object is too high, and in order to avoid errors caused by small probability data, the duration of the temperature signal value greater than the upper temperature limit may be further monitored, and when the duration reaches a time threshold (for example, 10S), it is determined that the ambient temperature is indeed too high, and an alarm is required, and at this time, the processor 40 drives the alarm 90 to alarm. For example, processor 40 may activate audible and visual alarm 90 to illuminate and broadcast an alert tone. Similarly, in other embodiments, the processor 40 of the temperature and humidity measurement apparatus may further be provided with a lower temperature limit (e.g. 24 ℃), an upper humidity limit (100), and a lower humidity limit (0), and when the actual temperature is lower than the lower limit, or the humidity is higher than the upper humidity limit, or the humidity is lower than the lower humidity limit, the processor 40 drives the alarm 90 to perform an alarm action.
In one embodiment, the display screen may further set the start time of the temperature and humidity measuring device, and the default setting may be 0 second. According to the function of some wisdom screens itself, can also set up the screen display time: and setting the time for closing the screen display of the recorder, and if the time is set to be 0, not closing the screen.
In one embodiment, the recording can be stopped by pressing a function key of the temperature and humidity measuring device.
In one embodiment, when the temperature and humidity measuring device performs audible and visual alarm when the temperature and the humidity exceed the limits, the audible and visual alarm can be turned off by pressing a function key of the temperature and humidity measuring device.
In one embodiment, the temperature and humidity measuring device further includes: and the communication module 91, wherein the communication module 91 is connected with the processor 40, and the communication module 91 is also used for connecting a remote terminal 92. Through adding communication module 91, utilize communication module 91's remote communication ability, realized data remote transmission, can convenience of customers monitor the environment humiture condition in the application scene that target objects such as rail are located at remote terminal 92, the monitoring effect is better, and user experience is good.
In one embodiment, the temperature and humidity measuring device further includes: and the power supply is electrically connected with the temperature sensor 10, the data acquisition module 30 and the processor 40 respectively. The power supply can be arranged in the cavity of the shell 60, the power supply can be a power supply for supplying power by direct current 5V voltage, and the power supply can be a battery with small volume, so that the temperature and humidity measuring device is small in overall size and portable.
In one embodiment, processor 40 may also calculate an average of temperature and an average of humidity.
In one embodiment, the temperature and humidity measuring device further includes: and the first timing switch is connected in series on a connecting loop of the power supply and data acquisition module 30. After the first timing switch sets time (the interval time can be 10 minutes), the first timing switch is switched off and switched on according to the set time, when the first timing switch is switched off, the data acquisition module 30 does not supply power and does not acquire data, so that the timing data acquisition is realized, and the energy is saved. The interval time of the temperature and humidity measuring device for recording the temperature and humidity values can be any value between 5 seconds and 18 hours. The interval time for the temperature and humidity measurement device to acquire and update temperature and humidity data can be any value between 2 and 255 seconds. The user can set the interval time according to the actual measurement requirement.
In one embodiment, the temperature and humidity measuring device further includes: and a second timing switch connected in series to a connection loop of the power supply and communication module 91. The second timing switch is like the first timing switch, and through the on-off state of self, influences the timing teletransmission of humiture signal, transmits to remote terminal 92 according to certain cycle, through adopting the mode of timing communication, saves the electric energy, improves temperature and humidity measuring device's life.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features. The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. A temperature and humidity measuring device is characterized by comprising:
the temperature sensor is used for acquiring environmental temperature data;
the humidity sensor is used for acquiring environmental humidity data;
the data acquisition module is respectively and electrically connected with the temperature sensor and the humidity sensor and is used for carrying out analog-to-digital conversion on the temperature data and the humidity data to obtain a temperature signal and a humidity signal;
the processor is connected with the data acquisition module and is used for processing the temperature signal and the humidity signal;
the display is connected with the processor and used for displaying a temperature value and a humidity value according to the processed temperature signal and the processed humidity signal;
a memory coupled to the processor;
the temperature sensor, the humidity sensor, the data acquisition module and the processor are all arranged in a cavity formed by the shell, and the display is embedded in the outer surface of the shell;
the radiating holes are formed in the side face of the shell and used for radiating heat of the electrical devices arranged in the cavity of the shell.
2. The temperature and humidity measurement device according to claim 1, wherein the data acquisition module comprises:
the input end of the signal acquisition unit is respectively connected with the temperature sensor and the humidity sensor;
the input end of the signal amplification unit is connected with the output end of the signal acquisition unit and is used for amplifying the temperature data and the humidity data acquired by the signal acquisition unit;
and the input end of the analog-to-digital conversion unit is connected with the output end of the signal amplification unit, and the output end of the analog-to-digital conversion unit is connected with the input end of the processor.
3. The temperature and humidity measurement device of claim 2, wherein the housing is mounted on a rail.
4. The temperature and humidity measuring device according to claim 1, further comprising:
and the USB interface is electrically connected with the processor.
5. The temperature and humidity measuring device according to claim 1, further comprising:
and the function key is electrically connected with the processor.
6. The temperature and humidity measuring device according to claim 1, further comprising:
and the alarm is connected with the processor.
7. The temperature and humidity measuring device according to claim 1, further comprising:
the communication module is connected with the processor and is also used for connecting a remote terminal.
8. The temperature and humidity measuring device according to claim 1, further comprising:
and the power supply is electrically connected with the temperature sensor, the data acquisition module and the processor respectively.
9. The temperature and humidity measurement device according to claim 8, further comprising:
and the first timing switch is connected in series on a connecting loop of the power supply and the data acquisition module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120016824.3U CN215767156U (en) | 2021-01-05 | 2021-01-05 | Temperature and humidity measuring device |
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| CN202120016824.3U CN215767156U (en) | 2021-01-05 | 2021-01-05 | Temperature and humidity measuring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113466411A (en) * | 2021-06-29 | 2021-10-01 | 北京新风航天装备有限公司 | Relative humidity detection equipment and method for airtight packing box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113466411A (en) * | 2021-06-29 | 2021-10-01 | 北京新风航天装备有限公司 | Relative humidity detection equipment and method for airtight packing box |
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