CN212255007U - Dust particle counter system - Google Patents
Dust particle counter system Download PDFInfo
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- CN212255007U CN212255007U CN202020466385.1U CN202020466385U CN212255007U CN 212255007 U CN212255007 U CN 212255007U CN 202020466385 U CN202020466385 U CN 202020466385U CN 212255007 U CN212255007 U CN 212255007U
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Abstract
The utility model discloses an airborne particle counter system, include: the system comprises a direct-current power supply module, a sensor module, a data conversion module, a micro control unit module, an input/output module and a server; the direct current power supply module supplies power to the sensor module, the data conversion module, the micro control unit module and the input and output module respectively; the sensor module comprises a laser dust particle sensor, the sensor module is electrically connected with a data conversion module, the data conversion module is electrically connected with a micro control unit module, an input/output module is electrically connected with the micro control unit module, and the server is electrically connected with the input/output module. Through the mode, the utility model discloses can realize that the instrument detects the environmental situation of being surveyed on line in real time, respond to the abnormal conditions in time, reduce potential risk and loss; the direct-current power supply module is used for supplying power in a centralized manner, so that strong and weak current separation can be realized, and the safety level is increased; and a printer and a touch display screen are eliminated, so that the whole volume and weight of the system are reduced, and the enterprise cost is reduced.
Description
Technical Field
The utility model relates to an optics dust particle counter technical field especially relates to a dust particle counter system.
Background
The particle counter is used as a necessary detecting instrument for modern clean environment detection, and is widely applied to the fields of electronics, food and medicine, aerospace and the like. In order to realize a movable detection environment, an independent air pump, accessories thereof and a high-capacity rechargeable battery are mostly arranged in the counter; a thermal printer and a large-size high-definition touch display screen are arranged; in addition, an adapter is provided to extend the working time of the instrument. These not only increase the volume and weight of the instrument and raise the requirements for operators, but also cannot reflect whether the environment of the measured clean room is abnormal or not at all times.
The instrument movement detection can only reflect whether the environment to be detected is abnormal or not in a certain test time period, the abnormal conditions of the environment in other time periods of the detected area cannot be reflected in real time, and the possible loss cannot be responded in time. And the instrument is moved from one area to another area, the large volume and weight of the instrument increase the workload of operators, the convenience is reduced, and the cost of operation enterprises is increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a dust particle counter system, can upload the detection data in real time, can realize that the real-time on-line measuring of instrument is surveyed the environmental aspect.
In order to achieve the above object, the technical solution of the present invention is:
a dust particle counter system, comprising:
the system comprises a direct-current power supply module, a sensor module, a data conversion module, a micro control unit module, an input/output module and a server;
the direct current power supply module supplies power to the sensor module, the data conversion module, the micro control unit module and the input/output module respectively; the sensor module comprises a laser dust particle sensor, the sensor module is electrically connected with a data conversion module, the data conversion module is electrically connected with a micro control unit module, the input/output module is electrically connected with the micro control unit module, and the server is electrically connected with the input/output module.
Preferably, the sensor module further comprises a flow sensor electrically connected to the data conversion module.
Preferably, the system further comprises an acquisition probe, and the acquisition probe is connected with the sensor module.
Preferably, the intelligent power supply further comprises an operation indication module, wherein the operation indication module is electrically connected with the direct current power supply module, and the operation indication module is electrically connected with the micro control unit module.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model has the following beneficial effect:
the dust particle counter system has the function of communicating with a server, uploads detection data in real time, can realize real-time online detection of the detected environmental condition by an instrument, timely responds to abnormal conditions, and reduces potential risks and loss; the direct-current power supply module is used for supplying power in a centralized manner, so that strong and weak current separation can be realized, and the safety level is increased; the device is free from a printer, a touch display screen, a rechargeable battery, an independent air pump and the like, so that the overall volume and weight of the system are reduced, and the enterprise cost is reduced.
Drawings
FIG. 1 is a schematic view of a dust particle counter system according to the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to the drawings, a dust particle counter system comprises: the system comprises a direct current power supply module, a sensor module, a data conversion module, a micro control unit module, an input/output module and a server.
The direct current power supply module is used for direct current voltage input and direct current voltage output, direct current voltage is input at 24V, and the direct current power supply module is respectively and electrically connected with the sensor module, the data conversion module, the micro control unit module and the input and output module through leads and supplies power to the sensor module, the data conversion module, the micro control unit module and the input and output module, so that the voltage required by normal work of each module is ensured. Wherein the 24V voltage input TPS5430 provides 5V, the 5V voltage input a0512S-2WR2 module provides ± 12V, the 24V voltage input 78L12G provides 12V to the flow sensor, and the 5V voltage input AMS1117 provides 3.3V to the MCU cell.
The sensor module comprises a laser dust particle sensor, and the laser dust particle sensor is used for carrying out primary classification detection on particles with different particle sizes. The laser dust particle sensor can select a 28.3L/min dust particle counter, and work voltages of +/-12V and 5V. In order to detect the gas flow, the sensor module further comprises a flow sensor, and the flow sensor is electrically connected with the data conversion module. The flow sensor can be selected from an FS4008 gas flow sensor, and the working voltage of the flow sensor is 12V.
The data conversion module is connected with the sensor module electricity, includes operational amplifier and voltage comparator in the data conversion module, and operational amplifier can select for use LF356 operational amplifier, and the voltage comparator can select for use LM311 voltage comparator, adopts LF356 and LM311 to change the data that laser dust particle counter gathered, operating voltage 12V. The data of the flow sensor is converted by a resistance voltage division principle, and the data collected by the sensor is converted into data which can be processed by a micro control unit module.
And a micro control unit module (MCU for short) is electrically connected with the data conversion module, and adopts an STM32F1 series processor with the working voltage of 3.3V. The micro control unit module controls the whole system to operate, receives and processes the data of the data conversion module, transmits the data to the input and output module, and realizes communication with the server.
The input and output module is electrically connected with the micro control unit module, and the server is electrically connected with the input and output module through SP 3485. The input and output module realizes information interaction between the counter and the server, and can be used as a burning and debugging interface and a screen display interface.
The dust particle counter system further comprises a collecting probe, and the collecting probe is connected with the sensor module. The acquisition probe is arranged to be of a funnel-shaped structure, the acquisition probe is made of metal materials, and a conventional acquisition probe in the prior art, such as an acquisition probe with the model number of 223-01B, can be selected.
The dust particle counter system further comprises an operation indicating module, wherein the operation indicating module is electrically connected with the direct current power supply module, and the operation indicating module is powered through the direct current power supply module. The operation indicating module is electrically connected with the micro control unit module and indicates the system operation state, such as power supply, operation, sampling, acousto-optic alarm indication and the like, through the operation indicating module.
The airflow direction of the dust particle counter is as follows: the collecting probe-air inlet-sensor (laser dust particle sensor-flow sensor) -air outlet, and the air outlet is connected with regulating valve and air pump. The acquisition probe is connected with the air inlet through a hose to provide an acquisition channel; the gas outlet is connected to a gas pump through an adjusting valve to obtain a specific gas flow rate, such as 28.3L/min.
After the dust particle counter is electrified and started, the dust particle counter works according to a set program, and the laser dust particle sensor converts particles with different particle sizes in the passing gas into corresponding pulse voltage waveform quantity; at the same time, the flow sensor detects the volume of gas flowing through. The acquired data are converted into data which can be processed by the MCU through the conversion module and are transmitted to the MCU, the MCU processes the data to obtain the number of particles with different particle sizes, the number of the particles is uploaded to an external server through the input and output module, and meanwhile, related operation state indication is output to the operation indication module. The input and output module can also be used for a programming interface and a debugging interface of a program. The external server can also control the operation of the counter through the input and output module.
The operation indicating module comprises a plurality of paths of LED indicating lamps and a path of buzzer, wherein the LED indicating lamps comprise a power supply indicating lamp, an operation indicating lamp, a sampling indicating lamp and a warning indicating lamp. The LED indicator light is powered by 3.3V, and the buzzer is powered by 5V. The working state of the operation indicating module is as follows: when the power supply is normal, the power indicator lamp is normally on, and the indicator lamp is turned off after the power failure; when the instrument runs, the running indicator lamp is always on; when the sampling flow is normal, the sampling indicator lamp is normally on; when the detected data is abnormal, the warning indicator lamp flickers, and the buzzer can give an alarm.
The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.
Claims (4)
1. A dust particle counter system, comprising: the system comprises a direct-current power supply module, a sensor module, a data conversion module, a micro control unit module, an input/output module and a server; the direct current power supply module supplies power to the sensor module, the data conversion module, the micro control unit module and the input/output module respectively; the sensor module comprises a laser dust particle sensor, the sensor module is electrically connected with a data conversion module, the data conversion module is electrically connected with a micro control unit module, the input/output module is electrically connected with the micro control unit module, and the server is electrically connected with the input/output module.
2. A dust particle counter system according to claim 1, wherein: the sensor module further comprises a flow sensor electrically connected with the data conversion module.
3. A dust particle counter system according to claim 1, wherein: still include the acquisition probe, the acquisition probe is connected with sensor module.
4. A dust particle counter system according to claim 1, wherein: the running indication module is electrically connected with the direct current power supply module and the micro control unit module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020466385.1U CN212255007U (en) | 2020-04-02 | 2020-04-02 | Dust particle counter system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020466385.1U CN212255007U (en) | 2020-04-02 | 2020-04-02 | Dust particle counter system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212255007U true CN212255007U (en) | 2020-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020466385.1U Active CN212255007U (en) | 2020-04-02 | 2020-04-02 | Dust particle counter system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212255007U (en) |
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2020
- 2020-04-02 CN CN202020466385.1U patent/CN212255007U/en active Active
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