CN212254198U

CN212254198U - Microenvironment detector

Info

Publication number: CN212254198U
Application number: CN202021495209.7U
Authority: CN
Inventors: 戴亢亢; 廖鸿文; 方世煌
Original assignee: Kunshan Xinwulian Electronic Communications Co ltd
Current assignee: Kunshan Xinwulian Electronic Communications Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2020-12-29
Anticipated expiration: 2030-07-23

Abstract

The utility model relates to a microenvironment detector, including the PCB board, be provided with power input on the PCB board, power input's output links to each other with power module's input, power module's output links to each other with control module's input, control module's first collection end links to each other with first collection module's output, control module's second collection end links to each other with second collection module's output, control module's output links to each other with output module's input, power module's output links to each other with low pressure feedback module's input, control module's output links to each other with the input of pilot lamp module, output module's output links to each other with the input of display. The utility model discloses can implement to the environment and listen. The utility model discloses can realize real-time the listening to through wireless transmission, ensure the safety in the storage.

Description

Microenvironment detector

Technical Field

The utility model relates to a microenvironment detector.

Background

The existing detection equipment can automatically carry out environment detection operation in a semiconductor factory clean room, however, some detection equipment can only detect temperature and humidity, so that products in the semiconductor factory clean room are not influenced by the temperature and humidity, but oxygen concentration is not detected, and the oxygen concentration is only detected, data cannot be fed back to a user in real time, and the data of the semiconductor factory clean room cannot be known in time.

In view of the above-mentioned drawbacks, the present designer is actively making research and innovation to create a micro-environment detector with a new structure, so that the micro-environment detector has more industrial utility value.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problem, an object of the present invention is to provide a micro-environment detector.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a microenvironment detector, includes the PCB board, be provided with power input on the PCB board, power input's output links to each other with power module's input, power module's output links to each other with control module's input, control module's first collection end links to each other with first collection module's output, control module's second collection end links to each other with second collection module's output, control module's output links to each other with output module's input, power module's output links to each other with low pressure feedback module's input, control module's output links to each other with the input of pilot lamp module, output module's output links to each other with the input of display.

Preferably, the microenvironment detector comprises a chip U2, the first pin terminal and the third pin terminal of the chip U2 are connected to each other and are also connected to the cathode of a diode D1, the anode of the diode D1 is connected to the power input terminal through a switch SW1, the second pin terminal of the chip U2 is grounded and is connected to the cathode of a diode D1 through a capacitor C1, the fifth pin terminal of the chip U2 is output to VCC __ 3.3.3V, and the fifth pin terminal of the chip U2 is connected to capacitors C2 and C3 which are connected in parallel, and is also grounded, and the fourth pin terminal of the chip U2 is grounded through a capacitor C4.

Preferably, in the micro-environment detector, the model of the chip U2 is RT 9193-33G.

Preferably, in the microenvironment detector of claim 1, the low-voltage feedback module includes a MOS transistor Q2, a source of the MOS transistor Q2 is grounded, a drain of the MOS transistor Q2 is connected to a cathode of the LED4, an anode of the LED4 is connected to one end of a resistor R1, another end of the resistor R1 is connected to the power module, another end of the resistor R1 is further connected to the resistors R2 and R3 connected in series and connected to the source, and a gate of the MOS transistor Q2 is connected between the resistors R2 and R3.

Preferably, in the microenvironment detector, the MOS transistor Q2 is of type AO 3480.

Preferably, in the microenvironment detector, the control module is a chip U1, which is model number STM32F103C8T 6.

Preferably, the microenvironment detector comprises a first acquisition module and a second acquisition module, wherein the first acquisition module and the second acquisition module are respectively a temperature and humidity acquisition module and an oxygen concentration acquisition module.

Preferably, in the micro-environment detector, the output module is a chip U3, which is of a type HF-LPT 230.

Borrow by above-mentioned scheme, the utility model discloses at least, have following advantage:

the utility model discloses in through gathering environment humiture and oxygen concentration to by exporting to flat panel display through wireless transmission and realizing the control purpose, realize real-time detection to the environment, ensure to know the information of the dustless room of semiconductor factory in real time, effectively ensure the quality of the interior product of dustless room of semiconductor factory.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, 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 invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a circuit diagram of the power module of the present invention;

fig. 3 is a circuit diagram of the low voltage feedback module of the present invention;

fig. 4 is a circuit diagram of a control module of the present invention;

fig. 5 is a circuit diagram of an output module of the present invention;

fig. 6a and 6b are circuit diagrams of the temperature and humidity acquisition module and the oxygen acquisition module, respectively;

fig. 7 is a circuit diagram of the output module indicator light of the present invention;

fig. 8 is the utility model discloses a WIFI resumes to dispatch from factory and sets up the circuit.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are 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 one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Examples

As shown in fig. 1, a microenvironment detector comprises a PCB board, a power input end 1 is arranged on the PCB board, an output end of the power input end 1 is connected with an input end of a power module 2, an output end of the power module 2 is connected with an input end of a control module 3, a first collecting end of the control module 3 is connected with an output end of a first collecting module 4, a second collecting end of the control module 3 is connected with an output end of a second collecting module 5, an output end of the control module 3 is connected with an input end of an output module 6, an output end of the power module 2 is connected with an input end of a low voltage feedback module 7, an output end of the control module 3 is connected with an input end of an indicator light module 8, and an output end of the output module 6 is connected with an input end of a display.

As shown in fig. 2, the power module 2 includes a chip U2, a first pin terminal and a third pin terminal of the chip U2 are connected to each other and are also connected to a cathode of a diode D1, an anode of the diode D1 is connected to the power input terminal 1 through a switch SW1, a second pin terminal of the chip U2 is grounded and is connected to a cathode of a diode D1 through a capacitor C1, a fifth pin terminal of the chip U2 is output to VCC __ 3.3.3V, and the fifth pin terminal of the chip U2 is connected to capacitors C2 and C3 connected in parallel and is also grounded, and a fourth pin terminal of the chip U2 is grounded through a capacitor C4. The model of the chip U2 is RT 9193-33G. The power module 2 converts the 3.7V voltage to a 3.3V regulated power supply.

As shown in fig. 3, the low voltage feedback module 7 includes a MOS transistor Q2, a source of the MOS transistor Q2 is grounded, a drain of the MOS transistor Q2 is connected to a cathode of the LED4, an anode of the LED4 is connected to one end of a resistor R1, another end of the resistor R1 is connected to the power module 2, another end of the resistor R1 is further connected to the resistors R2 and R3 connected in series and connected to the source, and a gate of the MOS transistor Q2 is connected between the resistors R2 and R3. The low-voltage feedback module can remind that the circuit is in a voltage state, so that the stability and the safety of the circuit are ensured. The MOS transistor Q2 is AO 3480.

As shown in fig. 4, the control module 3 employs a chip U1, which is model number STM32F103C8T 6.

As shown in fig. 6a and 6b, the utility model discloses in first collection module 4 and second collection module 5 are humiture collection module and oxygen collection module respectively, and they link to each other with control module 3 respectively, control first collection module 4 and second collection module 5.

As shown in fig. 5, 7 and 8, the output module 6 employs a chip U3, which is HF-LPT230, wherein an nlink terminal of the chip U3 is connected to a cathode of the LED2, an anode of the LED2 is connected to VCC _3.3V through a resistor R4, an nReady terminal of the chip U3 is connected to a cathode of the LED3, an anode of the LED3 is connected to VCC _3.3V through a resistor R5, and an nread terminal of the chip U3 is connected to the WIFI restoration factory setting circuit.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A microenvironment detector is characterized in that: the power supply comprises a PCB (printed circuit board), be provided with power input end (1) on the PCB, the output of power input end (1) links to each other with the input of power module (2), the output of power module (2) links to each other with the input of control module (3), the first collection end of control module (3) links to each other with the output of first collection module (4), the second collection end of control module (3) links to each other with the output of second collection module (5), the output of control module (3) links to each other with the input of output module (6), the output of power module (2) links to each other with the input of low pressure feedback module (7), the output of control module (3) links to each other with the input of pilot lamp module (8), the output of output module (6) links to each other with the input of display.

2. The microenvironment detector of claim 1, wherein: the power supply module (2) comprises a chip U2, a first pin end and a third pin end of a chip U2 are connected and are connected with a cathode of a diode D1, an anode of the diode D1 is connected with a power supply input end (1) through a switch SW1, a second pin end of a chip U2 is grounded and is connected with a cathode of a diode D1 through a capacitor C1, a fifth pin end of the chip U2 outputs VCC __ 3.3.3V, the fifth pin end of the chip U2 is connected with capacitors C2 and C3 which are connected in parallel, the fifth pin end of the chip U2 is grounded, and a fourth pin end of the chip U2 is grounded through a capacitor C4.

3. The microenvironment detector of claim 2, wherein: the model of the chip U2 is RT 9193-33G.

4. The microenvironment detector of claim 1, wherein: the low-voltage feedback module (7) comprises a MOS tube Q2, the source electrode of the MOS tube Q2 is grounded, the drain electrode of the MOS tube Q2 is connected with the cathode of the LED4, the anode of the LED4 is connected with one end of a resistor R1, the other end of the resistor R1 is connected with the power supply module (2), the other end of the resistor R1 is further connected with resistors R2 and R3 which are connected in series and connected to the source electrode, and the grid electrode of the MOS tube Q2 is connected between the resistors R2 and R3.

5. The microenvironment detector of claim 4, wherein: the type of the MOS transistor Q2 is AO 3480.

6. The microenvironment detector of claim 1, wherein: the control module (3) adopts a chip U1, and the model is STM32F103C8T 6.

7. The microenvironment detector of claim 1, wherein: the first collection module (4) and the second collection module (5) are respectively a temperature and humidity collection module and an oxygen collection module.

8. The microenvironment detector of claim 1, wherein: the output module (6) adopts a chip U3, the model of which is HF-LPT 230.