CN208239855U - Clean room environment monitor - Google Patents
Clean room environment monitor Download PDFInfo
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- CN208239855U CN208239855U CN201820928798.XU CN201820928798U CN208239855U CN 208239855 U CN208239855 U CN 208239855U CN 201820928798 U CN201820928798 U CN 201820928798U CN 208239855 U CN208239855 U CN 208239855U
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- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 93
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 74
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 37
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 37
- 238000004891 communication Methods 0.000 claims abstract description 36
- 238000012544 monitoring process Methods 0.000 claims abstract description 22
- 230000003749 cleanliness Effects 0.000 claims abstract description 19
- 229910052760 oxygen Inorganic materials 0.000 claims description 18
- 239000001301 oxygen Substances 0.000 claims description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 8
- 239000013618 particulate matter Substances 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims description 6
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- 230000007613 environmental effect Effects 0.000 abstract description 16
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Abstract
The utility model discloses a kind of clean room environment monitor, clean room environment monitor includes shell and is arranged in the intracorporal environmental monitoring circuit of shell, and environmental monitoring circuit includes MCU controller, cleanliness sensor, carbon dioxide sensor, formaldehyde sensor, wifi communicating circuit, serial communication circuit and power circuit；Cleanliness sensor, carbon dioxide sensor, formaldehyde sensor, wifi communicating circuit, serial communication circuit and power circuit are electrically connected with MCU controller.Technical solutions of the utility model can carry out real-time monitoring to clean indoor environment by multiple sensors, and can realize and host computer networking control.
Description
Technical Field
The utility model relates to a monitoring technology field, in particular to toilet environmental monitor.
Background
With the development of modern medical means and the higher requirements on medical conditions, the success of surgical operations can not be kept away from the high-quality air environment of an operating room. The air quality in the operating room directly influences the recovery of the patient and the recovery, and simultaneously is related to the self safety of medical care personnel. Because products for comprehensively measuring the air quality of an operating room are not available, the air index detected by the current operating room is mainly measured by the number of particles and bacterial colonies above 0.5um in the air, and the detection mode is to perform large-scale instrument detection regularly. The detection mode has the following disadvantages: the detection period is too long to monitor the current indoor air quality data in real time; the detection content is not comprehensive enough, and the air quality is influenced by the cleanliness, and the formaldehyde concentration, the TVOC concentration, the carbon dioxide concentration, the oxygen concentration and the air temperature and humidity are also influenced; data reading is inconvenient, and result display is not direct.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a toilet environmental monitoring appearance aims at realizing synthesizing real-time supervision to toilet's internal environment quality.
In order to achieve the purpose, the utility model provides a clean room environment monitor, the clean room environment monitor comprises a shell and an environment monitoring circuit arranged in the shell, wherein the environment monitoring circuit comprises a MCU controller, a cleanliness sensor, a carbon dioxide sensor, a formaldehyde sensor, a wifi communication circuit, a serial port communication circuit and a power circuit; the cleanliness sensor, the carbon dioxide sensor, the formaldehyde sensor, the wifi communication circuit, the serial port communication circuit and the power circuit are all electrically connected with the MCU controller; wherein,
the cleanliness sensor is used for collecting the concentration parameter of the particulate matters in the clean room and outputting the concentration parameter of the particulate matters to the MCU controller;
the carbon dioxide sensor is used for collecting carbon dioxide concentration parameters in a clean room and outputting the carbon dioxide concentration parameters to the MCU controller;
the formaldehyde sensor is used for collecting formaldehyde concentration parameters in a clean room and outputting the formaldehyde concentration parameters to the MCU controller;
the MCU controller is used for receiving the particulate matter concentration parameter, the carbon dioxide concentration parameter and the formaldehyde concentration parameter, processing the received parameters and outputting the processed parameters to an upper computer through the wifi communication circuit or the serial port communication circuit.
Preferably, the clean room environment monitor further comprises a temperature and humidity sensor for collecting the temperature and humidity in the clean room, and the temperature and humidity sensor is electrically connected with the MCU controller.
Preferably, the clean room environment monitor further comprises an oxygen concentration sensor for collecting the oxygen concentration in the clean room, and the oxygen concentration sensor is electrically connected with the MCU controller.
Preferably, the clean room environment monitor further comprises a TVOC concentration sensor for collecting the TVOC concentration in the clean room, the TVOC concentration sensor and the MCU controller are electrically connected.
Preferably, the clean room environment monitor further comprises a pyroelectric sensor for detecting infrared radiation of a human body in the clean room, and the pyroelectric sensor is electrically connected with the MCU controller.
Preferably, the clean room environment monitor further comprises an air pressure sensor for collecting air pressure parameters in the clean room, and the air pressure sensor is electrically connected with the MCU controller.
Preferably, the clean room environment monitor further comprises an RGB color indicator lamp disposed on the housing, the RGB color alarm lamp being electrically connected to the MCU controller.
Preferably, the clean room environment monitor casing is spherical, still be equipped with on the clean room environment monitor casing be used for with installing support fixed connection's mounting hole.
Preferably, the housing is provided with a plurality of ventilation holes for heat dissipation.
Preferably, a heat dissipation fan is further disposed in the housing, and the heat dissipation fan is electrically connected to the power circuit.
The technical scheme of the utility model is that the clean room environment monitoring instrument comprises a shell and an environment monitoring circuit arranged in the shell, wherein the environment monitoring circuit comprises an MCU controller, a cleanliness sensor, a carbon dioxide sensor, a formaldehyde sensor, a wifi communication circuit, a serial port communication circuit and a power circuit, when in use, the cleanliness sensor collects the concentration parameter of particulate matters in the clean room, the carbon dioxide sensor collects the concentration parameter of carbon dioxide in the clean room, the formaldehyde sensor collects the concentration parameter of formaldehyde in the clean room, the MCU controller receives the concentration parameter of particulate matters, the concentration parameter of carbon dioxide and the concentration parameter of formaldehyde, and after data processing is carried out on each parameter, the data is uploaded to an upper computer through the wifi communication circuit or the serial port communication circuit according to the type of a communication protocol of the upper computer for the upper computer to process and display, therefore, the environment quality in the clean room is comprehensively monitored in real time and is easy to check.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of functional modules of an embodiment of the clean room environmental monitor of the present invention;
FIG. 2 is a schematic diagram of functional modules of another embodiment of the clean room environment monitor of the present invention;
fig. 3 is a schematic view of an upper hemisphere structure of a housing in an embodiment of the clean room environment monitor of the present invention;
fig. 4 is a schematic view of a lower hemisphere structure of the housing in an embodiment of the clean room environmental monitor of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that the description relating to "first", "second", etc. in the present invention is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a toilet environmental monitor.
As shown in fig. 1, fig. 1 is a schematic diagram of functional modules of an embodiment of the clean room environment monitor of the present invention, the clean room environment monitor includes a housing (not shown) and an environment monitoring circuit 100 disposed in the housing, the environment monitoring circuit 100 includes an MCU controller 101, a cleanliness sensor 102, a carbon dioxide sensor 103, a formaldehyde sensor 104, a wifi communication circuit 105, a serial communication circuit 106, and a power circuit 107; the cleanliness sensor 102, the carbon dioxide sensor 103, the formaldehyde sensor 104, the wifi communication circuit 105, the serial communication circuit 106 and the power circuit 107 are all electrically connected with the MCU controller 101; wherein,
the cleanliness sensor 102 is configured to collect a concentration parameter of particulate matter in a clean room, and output the concentration parameter of the particulate matter to the MCU controller 101;
the carbon dioxide sensor 103 is used for collecting carbon dioxide concentration parameters in a clean room and outputting the carbon dioxide concentration parameters to the MCU controller 101;
the formaldehyde sensor 104 is used for collecting formaldehyde concentration parameters in a clean room and outputting the formaldehyde concentration parameters to the MCU 101;
the MCU controller 101 is configured to receive the particulate matter concentration parameter, the carbon dioxide concentration parameter and the formaldehyde concentration parameter, perform data processing on each received parameter, and output the processed parameter to the upper computer 200 through the wifi communication circuit 105 or the serial communication circuit 106.
It should be noted that, in this embodiment, the cleanliness sensor 102 is a digital general particulate matter concentration sensor based on a laser scattering principle, and can continuously collect and calculate the number of suspended particulate matters with different particle sizes in the air in a unit volume, that is, the particulate matter concentration distribution, and further convert the number into mass concentration, and output the mass concentration to the MCU controller 101 in a general digital interface form, the cleanliness sensor 102 is based on the laser scattering principle, that is, laser light is irradiated on the suspended particulate matters in the air to generate scattering, and at the same time, scattered light is collected at a certain specific angle, so as to obtain a curve of variation of scattered light intensity with time, and further the MCU controller 101 obtains the equivalent particle size of the particulate matters and the number of particulate matters with different particle sizes in the unit volume by using an algorithm based on the MIE (MIE.
The carbon dioxide sensor 103 adopts a digital carbon dioxide sensor for a non-dispersive infrared absorption principle, can continuously collect and calculate the concentration of carbon dioxide in air in unit volume, and outputs the concentration to the MCU controller 101 in a universal digital serial interface mode to provide timely and accurate concentration data for the MCU controller. The carbon dioxide sensor 103 adopts a non-dispersive infrared absorption principle, has a single air chamber and double channels, can acquire the corresponding relation and the change of the light intensity of infrared light with two wavelengths irradiated on a receiving device, and calculates the actual carbon dioxide concentration in the clean room according to the absorption ratio function of carbon dioxide to the infrared light with two wavelengths.
The formaldehyde sensor 104 detects the formaldehyde content in each application scene in real time by adopting an electrochemical method, and has the advantages of accurate measurement, small volume and convenient use. The formaldehyde sensor 104 adopts a unique electrolyte packaging technology, is internally provided with a high-performance analog circuit and a data processing unit, integrates a large number of empirical algorithms, directly outputs digital concentration information, and is simple and rapid to use.
The wifi communication circuit 105 is integrated with an MAC (media access control), a base frequency chip and a radio frequency receiving and transmitting unit, a low-power-consumption operation mechanism is built in, and low-power-consumption operation of the module can be effectively realized; and the WiFi protocol and the TCP/IP protocol are supported.
The MCU controller 101 is responsible for calculating and processing data uploaded by each sensor module, packaging the data of each sensor according to a data uploading protocol, and finally uploading the data to the upper computer 200 through the wifi communication circuit 105 or the serial port communication circuit 106 for the upper computer 200 to process and display. And the MCU controller 101 receives the dormancy and working instructions of the upper computer 200, and after the MCU controller 101 receives the dormancy instructions, the MCU controller 101 cuts off the power supply of each sensor, thereby reducing unnecessary loss of the sensors and prolonging the service life of the sensors.
The technical scheme of the utility model is that the clean room environment monitoring instrument comprises a shell and an environment monitoring circuit 100 arranged in the shell, wherein the environment monitoring circuit 100 comprises an MCU controller 101, a cleanliness sensor 102, a carbon dioxide sensor 103, a formaldehyde sensor 104, a wifi communication circuit 105, a serial communication circuit 106 and a power circuit 107, when in use, the cleanliness sensor 102 collects the concentration parameter of particulate matters in the clean room, the carbon dioxide sensor 103 collects the concentration parameter of carbon dioxide in the clean room, the formaldehyde sensor 104 collects the concentration parameter of formaldehyde in the clean room, the MCU controller 101 receives the concentration parameter of particulate matters, the concentration parameter of carbon dioxide and the concentration parameter of formaldehyde, and after processing the data of each parameter, the data is selected to be uploaded to an upper computer 200 through the wifi communication circuit 105 or the serial communication circuit 106 according to the communication protocol type of the upper computer 200, the upper computer 200 is used for processing and displaying, so that the comprehensive real-time monitoring of the environmental quality in the clean room is realized, and the environment quality is easy to check.
Further, refer to fig. 2, based on above-mentioned embodiment the environmental monitor of toilet the utility model discloses in another embodiment of the environmental monitor of toilet, the environmental monitor of toilet still includes the temperature and humidity sensor 108 that is used for gathering the indoor humiture of clean room, temperature and humidity sensor 108 with MCU controller 101 electric connection.
In this embodiment, the temperature and humidity sensor 108 is a temperature and humidity composite sensor including calibrated digital signal output, and applies a dedicated digital module acquisition technology and a temperature and humidity sensing technology, and the temperature and humidity sensor 108 includes a resistive humidity sensing element and an NTC temperature measuring element, and is connected to a high-performance 8-bit single chip microcomputer. The method has the advantages of ultra-fast response, strong anti-interference capability, extremely high cost performance and the like. Real-time temperature and humidity data are transmitted to the MCU controller 101 by a single-wire serial interface, so as to determine the temperature and humidity in the clean room.
In this embodiment, the clean room environment monitor further comprises an oxygen concentration sensor 109 for collecting the oxygen concentration in the clean room, the oxygen concentration sensor 109 is electrically connected with the MCU controller 101.
It should be noted that the oxygen concentration sensor 109 is self-powered by an electrochemical method, and a metal air type battery thereof is composed of an air cathode, an anode and an electrolyte. The oxygen concentration sensor 109 is a current source, the current magnitude is corresponding to depend on the oxygen reaction speed, in this embodiment, measure the voltage through an external 100 ohm resistance, then the voltage value passes through the filter amplifier circuit and conveys the voltage signal to the MCU controller 101 through the circuit, the MCU controller 101 carries out AD conversion, compare the voltage signal through the calibration instrument, calculate the parameter of the calculation formula of voltage and oxygen concentration, then calculate the oxygen concentration content through the formula, thereby confirm the oxygen concentration in the clean room.
In this embodiment, the clean room environment monitor further comprises a TVOC concentration sensor 111 for collecting the TVOC concentration in the clean room, the TVOC concentration sensor 111 and the MCU controller 101 electrically connected.
It should be noted that TVOC (total Volatile Organic Compounds) refers to an Organic substance with saturated vapor pressure exceeding 133.32pa at room temperature, the boiling point of which is 50-250 ℃, and the Organic substance can exist in the air in a form of evaporation at room temperature, and the toxicity, irritation, carcinogenicity and special odor thereof can affect the skin and mucous membrane and cause acute damage to human body.
In this embodiment, the TVOC concentration sensor 111 uses its unique micro heating plate (heating only 20ms) technology, active harmful gas can react with oxygen ions, and then fixed gas such as carbon dioxide is generated, and then the TVOC concentration sensor 111 finally confirms the concentration of the harmful gas by rapidly measuring the surrounding VOC concentration. The inside integrated operation chip of TVOC sensor manages TVOC sensor drive pattern and measures VOC, then conveys real-time data to MCU controller 101 through the IIC bus to realize the monitoring of TVOC concentration.
In this embodiment, the clean room environment monitor further comprises a pyroelectric sensor 110 for detecting infrared radiation of a human body in the clean room, and the pyroelectric sensor 110 is electrically connected with the MCU controller 101.
The pyroelectric sensor 110 is mainly formed by making a detection element of a material having a high thermoelectric coefficient, and incorporating one or two detection elements in each detector, and connecting the two detection elements in series with opposite polarities to suppress interference due to a temperature rise of the pyroelectric sensor itself. The infrared radiation detected and received by the detecting element is converted into a weak voltage signal, amplified by a field effect tube installed in the probe and then output to the MCU controller 101. The central wavelength of infrared rays radiated by a human body is 9-10 um, and the wavelength sensitivity of the detection element is almost stable and unchanged within the range of 0.2-20 um. The top end of the pyroelectric sensor 110 is provided with a window provided with a filter lens, the filter can pass light with the wavelength range of 7-10 um and is just suitable for the detection of human body infrared radiation, and infrared rays with other wavelengths are absorbed by the filter, so that the infrared sensor special for detecting the human body radiation is formed. In order to improve the detection sensitivity of the sensor and increase the detection distance, a fresnel lens is also required to be installed in front of the pyroelectric sensor 110, so that when someone enters the room, the signal is uploaded to the MCU controller 101, and the functions of monitoring and alarming are achieved.
In this embodiment, the clean room environment monitor further includes an air pressure sensor 112 for collecting air pressure parameters in the clean room, and the air pressure sensor 112 is electrically connected to the MCU controller 101.
It should be noted that, in the present embodiment, the air pressure sensor 112 is a high-resolution altimeter sensor composed of SPI and an I2C bus interface. The barometric pressure sensor 112 includes a high linearity pressure sensor and an ultra-low power 24-bit delta ADC with an internal factory calibration factor. Providing accurate digital 24-bit pressure and temperature values and different modes of operation that allow the user to optimize switching speed and current consumption. The high resolution temperature output allows the altimeter/thermometer function to be implemented without any additional sensors, the communication protocol is simple, and no internal registers need to be programmed in the device. The sensing principle employed results in pressure and temperature signals with low hysteresis and high stability. The air pressure sensor 112 transmits air pressure data to the MCU controller 101 through the IIC bus.
In this embodiment, the clean room environment monitor further comprises an RGB color indicator light 113 disposed on the housing, and the RGB color indicator light 113 is electrically connected to the MCU controller 101.
It should be noted that, after receiving the data collected by each sensor, the MCU controller 101 sorts the data and uploads the data to the upper computer 200, a corresponding parameter threshold is stored in the upper computer 200, when the size of a certain detected data exceeds the threshold, the upper computer 200 sends an alarm signal to the MCU controller 101, the MCU switches the light color of the RGB color indicator 113 according to the data result calculated by the upper computer 200, and prompts the user that the environment is abnormal, so that the user can perform air purification or other operations on the clean room.
In this embodiment, the clean room environmental monitor casing is spherical, still be equipped with on the clean room environmental monitor casing be used for with installing support fixed connection's mounting hole.
It should be noted that, the casing of clean room environmental monitor is globular, including episphere and lower hemisphere, as shown in fig. 3 and fig. 4, fig. 3 is the utility model discloses the episphere structure schematic diagram of casing in the clean room environmental monitor embodiment, fig. 4 is the utility model discloses the lower hemisphere structure schematic diagram of casing in the clean room environmental monitor embodiment, the integrative completion of moulding plastics of spheroid, the spheroid head is pared, in order to facilitate the installation, the spheroid diameter is 100mm, and leave a plurality of air vents at the spheroid casing, and be equipped with radiator fan drive air and flow, thereby realize dispelling the heat for each module in the clean room monitoring circuit, radiator fan passes through power supply circuit 107 and supplies power, and still be provided with the locating hole on the lower hemisphere, the locating hole can pass through knob, buckle or other mode fixed mounting with similar camera bracket's installing support.
In this embodiment, be equipped with first PCB circuit board in the upper hemisphere, carbon dioxide sensor 103, power supply circuit 107, cleanliness factor sensor 102 is integrated on the PCB board, it can be understood, power supply circuit 107 is power circuit, calorific capacity is big, so in this embodiment, radiator fan sets up in the upper hemisphere, thereby improve the radiating efficiency of monitor, be equipped with the second PCB board in the lower hemisphere, MCU controller 101, pyroelectric sensor 110, formaldehyde sensor 104, TVOC concentration sensor 111, oxygen concentration sensor 109, temperature and humidity sensor 108, wifi communication circuit 105 and serial ports communication circuit 106 all integrate on the second PCB board, still be equipped with a plurality of locating holes in upper hemisphere and lower hemisphere, the upper hemisphere passes through locating hole fixed mounting with the lower hemisphere, place in the clean room after the monitor fixed mounting is on the clean room wall or through the fixed bolster installation.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. The clean room environment monitor is characterized by comprising a shell and an environment monitoring circuit arranged in the shell, wherein the environment monitoring circuit comprises an MCU (microprogrammed control unit) controller, a cleanliness sensor, a carbon dioxide sensor, a formaldehyde sensor, a wifi communication circuit, a serial port communication circuit and a power supply circuit; the cleanliness sensor, the carbon dioxide sensor, the formaldehyde sensor, the wifi communication circuit, the serial port communication circuit and the power circuit are all electrically connected with the MCU controller; wherein,
the cleanliness sensor is used for collecting the concentration parameter of the particulate matters in the clean room and outputting the concentration parameter of the particulate matters to the MCU controller;
the carbon dioxide sensor is used for collecting carbon dioxide concentration parameters in a clean room and outputting the carbon dioxide concentration parameters to the MCU controller;
the formaldehyde sensor is used for collecting formaldehyde concentration parameters in a clean room and outputting the formaldehyde concentration parameters to the MCU controller;
the MCU controller is used for receiving the particulate matter concentration parameter, the carbon dioxide concentration parameter and the formaldehyde concentration parameter, processing the received parameters and outputting the processed parameters to an upper computer through the wifi communication circuit or the serial port communication circuit.
2. The clean room environment monitor of claim 1, further comprising a temperature and humidity sensor for collecting temperature and humidity in the clean room, wherein the temperature and humidity sensor is electrically connected to the MCU controller.
3. The clean room environment monitor of claim 1, further comprising an oxygen concentration sensor for collecting oxygen concentration in the clean room, the oxygen concentration sensor being electrically connected to the MCU controller.
4. The clean room environment monitor of claim 1, further comprising a TVOC concentration sensor for collecting a TVOC concentration in the clean room, the TVOC concentration sensor being electrically connected to the MCU controller.
5. The clean room environment monitor of claim 1, further comprising a pyroelectric sensor for human body infrared radiation detection in the clean room, the pyroelectric sensor being electrically connected to the MCU controller.
6. The clean room environment monitor of claim 1, further comprising an air pressure sensor for collecting air pressure parameters in the clean room, the air pressure sensor being electrically connected to the MCU controller.
7. The clean room environment monitor of any one of claims 1 to 6, further comprising an RGB color indicator lamp disposed on the housing, the RGB color alarm lamp being electrically connected to the MCU controller.
8. The clean room environment monitor according to any one of claims 1 to 6, wherein the clean room environment monitor is spherical in shape, and the clean room environment monitor is further provided with a mounting hole for fixedly connecting with the mounting bracket.
9. The clean room environment monitor of claim 8, wherein said housing is provided with a plurality of ventilation holes for dissipating heat.
10. The clean room environment monitor of claim 9, wherein a heat dissipation fan is further disposed in the housing, the heat dissipation fan being electrically connected to the power circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820928798.XU CN208239855U (en) | 2018-06-14 | 2018-06-14 | Clean room environment monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820928798.XU CN208239855U (en) | 2018-06-14 | 2018-06-14 | Clean room environment monitor |
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| CN208239855U true CN208239855U (en) | 2018-12-14 |
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| CN201820928798.XU Active CN208239855U (en) | 2018-06-14 | 2018-06-14 | Clean room environment monitor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110082269A (en) * | 2019-04-28 | 2019-08-02 | 宁波爱立德汽车部件有限公司 | A kind of dust concentration and gas concentration lwevel detect measuring device |
| CN110260916A (en) * | 2019-06-12 | 2019-09-20 | 冠恒建设工程有限公司 | Clean room environment management system for monitoring |
| CN112858394A (en) * | 2020-12-31 | 2021-05-28 | 广州奥松电子有限公司 | Detection system, detection device, measurement method thereof and temperature and humidity compensation method |
-
2018
- 2018-06-14 CN CN201820928798.XU patent/CN208239855U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110082269A (en) * | 2019-04-28 | 2019-08-02 | 宁波爱立德汽车部件有限公司 | A kind of dust concentration and gas concentration lwevel detect measuring device |
| CN110082269B (en) * | 2019-04-28 | 2024-05-31 | 宁波爱立德汽车部件有限公司 | Dust concentration and carbon dioxide concentration detection and measurement device |
| CN110260916A (en) * | 2019-06-12 | 2019-09-20 | 冠恒建设工程有限公司 | Clean room environment management system for monitoring |
| CN110260916B (en) * | 2019-06-12 | 2021-12-10 | 冠恒建设工程有限公司 | Clean room environment monitoring and management system |
| CN112858394A (en) * | 2020-12-31 | 2021-05-28 | 广州奥松电子有限公司 | Detection system, detection device, measurement method thereof and temperature and humidity compensation method |
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