CN215340083U

CN215340083U - Electrostatic monitoring hardware device based on humidity detection

Info

Publication number: CN215340083U
Application number: CN202121681792.5U
Authority: CN
Inventors: 雷鸣; 何敏
Original assignee: Chengdu Aeronautic Polytechnic
Current assignee: Chengdu Aeronautic Polytechnic
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2021-12-28
Anticipated expiration: 2031-07-22

Abstract

The utility model discloses a hardware device for static monitoring based on humidity detection, which is characterized in that a DHT11 humidity sensor is used for collecting environmental humidity data, an STC89C52RC controller is used for receiving the environmental humidity data, a static value is obtained according to the relation between the humidity and the static strength, and the static value is displayed through an LCD display module. The static electricity value is simultaneously transmitted to the remote terminal in a wireless mode through the BT08-B Bluetooth wireless module in the remote monitoring mode. The key modules SW1, SW2 and SW3 are used for adjusting static monitoring alarm parameters, and the alarm module connected with the controller gives an alarm when environmental static reaches an alarm threshold value.

Description

Electrostatic monitoring hardware device based on humidity detection

Technical Field

The utility model relates to the technical field of electrostatic detection, in particular to a hardware device for electrostatic monitoring based on humidity detection.

Background

The electrostatic detection early warning device is necessary equipment for dangerous goods storehouses and military warehouses. In the daily carrying operation of occasions such as military supplies, some dangerous goods warehouses and the like, accidents such as fire, explosion and the like can be caused by the damage caused by static electricity. However, the existing electrostatic detection devices in the market are rare, only one device is not suitable for dangerous places due to hidden danger of a detection mode, and the device cannot be popularized due to high price.

At present, most of the static measurement methods employ vibration capacitance measurement and induction measurement of contact measurement. The vibration capacitance type is to convert the measured direct current signal into alternating current, and then convert the measured signal into a direct current signal for display after a series of signal processing. In this way, the signal does not decay with time, so that the instrument can be used not only for electrostatic potential measurement, but also for monitoring of fixed access. The instrument has complex manufacturing process and higher cost. The induction type measurement principle is to directly induce, amplify and display electrostatic voltage by using the capacitance between the probe and the charged body. After the induction type instrument is connected for a period of time, the display voltage on the display instrument approaches zero. Therefore, direct induction meters cannot be used for fixed access monitoring.

The method has the advantages of high manufacturing cost, high detection difficulty and fewer related products, the explosion-proof problem is also considered when the direct detection method is used for detecting static electricity, and accidents caused by secondary static electricity generated during detection of a detection instrument are avoided, so that the direct detection device is not easy to popularize and cannot be popularized in daily production and life.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a hardware device for static monitoring based on humidity detection, which solves the problem of high cost of the existing static measurement method.

In order to achieve the purpose of the utility model, the utility model adopts the technical scheme that: a hardware device for electrostatic monitoring based on detecting humidity, comprising: the device comprises a controller, a power supply module, a humidity sensor module, a communication module, an LCD display module, a key module and an alarm module;

the output end of the power supply module is respectively and electrically connected with the power supply end of the controller, the power supply end of the humidity sensor module, the power supply end of the communication module, the power supply end of the LCD display module and the power supply end of the alarm module; the controller is respectively in communication connection with the humidity sensor module, the communication module, the LCD display module, the key module and the alarm module.

Further, the power supply module includes: a grounded capacitor C1, a grounded capacitor C2, a resistor R1, a voltage stabilizing diode D1 and a grounded capacitor C3;

one end of the resistor R1 is respectively connected with the grounding capacitor C1 and the grounding capacitor C2 and is used as the input end of the power module; the other end of the resistor R1 is respectively connected with the cathode of the voltage stabilizing diode D1 and the grounding capacitor C3 and is used as the output end of the power supply module; the anode of the zener diode D1 is grounded.

Further, the alarm module includes: resistor R2, transistor Q1 and alarm bell B1;

one end of the resistor R2 is connected with the base electrode of the triode Q1, and the other end of the resistor R2 is connected with the controller as the control end of the alarm module; the collector of the triode Q1 is used as the power supply end of the alarm module, and the emitter of the triode Q1 is connected with the positive electrode of the alarm bell B1; the negative pole of the alarm bell B1 is grounded.

Further, the communication module is a BT08-B Bluetooth wireless module.

Further, the humidity sensor module is model DHT 11.

Further, the LCD display module is of the type LCD 1602.

Further, the controller is model number STC89C52 RC.

The utility model has the beneficial effects that: different from the existing vibration capacitance type measurement and induction type measurement which adopt a contact type measurement method, the utility model adopts an indirect measurement method for measuring the environment humidity instead of the contact type static electricity, and has the direct advantages of greatly reducing the realization difficulty and greatly reducing the production equipment cost. Especially, the method has no special requirements on use and operation, and is favorable for popularization. Utilize bluetooth wireless connection, can remote monitoring environment static state, reach convenient to use nimble purpose.

Drawings

FIG. 1 is a system block diagram of a hardware device for static monitoring based on detecting humidity;

FIG. 2 is a circuit diagram of a power module;

fig. 3 is a circuit diagram of an alarm module.

Detailed Description

The following description of the embodiments of the present invention is provided to facilitate the understanding of the present invention by those skilled in the art, but it should be understood that the present invention is not limited to the scope of the embodiments, and it will be apparent to those skilled in the art that various changes may be made without departing from the spirit and scope of the utility model as defined and defined in the appended claims, and all matters produced by the utility model using the inventive concept are protected.

The existing research finds that: on the basis of the fact that the electrostatic strength is directly related to the environmental humidity and shows the trend that the electrostatic strength is smaller when the humidity is larger, the utility model designs a device for directly measuring the humidity, and further obtains the electrostatic value according to the relationship between the humidity and the electrostatic strength, and the following is a detailed scheme of the utility model:

as shown in fig. 1, a hardware device for static electricity monitoring based on humidity detection includes: the device comprises a controller, a power supply module, a humidity sensor module, a communication module, an LCD display module, a key module and an alarm module;

As shown in fig. 2, the power supply module includes: a grounded capacitor C1, a grounded capacitor C2, a resistor R1, a voltage stabilizing diode D1 and a grounded capacitor C3;

As shown in fig. 3, the alarm module includes: resistor R2, transistor Q1 and alarm bell B1;

In the embodiment, the communication module is a BT08-B Bluetooth wireless module.

In the present embodiment, the model of the humidity sensor module is DHT 11.

In this embodiment, the LCD display module is of the type LCD 1602.

In this embodiment, the controller is model number STC89C52 RC.

In this embodiment, the key module includes: three keys SW1, SW2 and SW 3.

The connection relation table of each module and the controller is as follows:

TABLE 1

According to the device, a DHT11 humidity sensor is used for collecting environmental humidity data, an STC89C52RC controller is used for receiving the environmental humidity data, an electrostatic value is obtained according to the relation between the humidity and the electrostatic strength, and the electrostatic value is displayed through an LCD display module. The static electricity value is simultaneously transmitted to the remote terminal in a wireless mode through the BT08-B Bluetooth wireless module in the remote monitoring mode. The key modules SW1, SW2 and SW3 are used for adjusting static monitoring alarm parameters, and the alarm module connected with the controller gives an alarm when environmental static reaches an alarm threshold value.

Claims

1. A hardware device for electrostatic monitoring based on detecting humidity, comprising: the device comprises a controller, a power supply module, a humidity sensor module, a communication module, an LCD display module, a key module and an alarm module;

2. The hardware device for static electricity monitoring based on humidity detection according to claim 1, wherein the power supply module comprises: a grounded capacitor C1, a grounded capacitor C2, a resistor R1, a voltage stabilizing diode D1 and a grounded capacitor C3;

3. The hardware device for static electricity monitoring based on humidity detection according to claim 1, wherein the alarm module comprises: resistor R2, transistor Q1 and alarm bell B1;

4. The hardware set for static electricity monitoring based on humidity detection as claimed in claim 1, wherein the communication module is a BT08-B bluetooth wireless module.

5. The hardware set for electrostatic monitoring based on detecting humidity according to claim 1, wherein said humidity sensor module is of model DHT 11.

6. The hardware set for electrostatic monitoring based on detecting humidity as claimed in claim 1, wherein the LCD display module is model LCD 1602.

7. The hardware set for static-electricity monitoring based on detecting humidity according to claim 1, wherein the controller is model STC89C52 RC.