CN217085603U

CN217085603U - Temperature and humidity monitoring control device with adjusting function

Info

Publication number: CN217085603U
Application number: CN202221007230.7U
Authority: CN
Inventors: 常保红; 刘少波
Original assignee: Shanxi Hengxin Fengguang New Energy Technology Co ltd
Current assignee: Shanxi Hengxin Fengguang New Energy Technology Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-07-29
Anticipated expiration: 2032-04-28

Abstract

The utility model relates to a temperature and humidity monitoring control device with adjusting function, belonging to the technical field of temperature and humidity monitoring control; the technical problem to be solved is as follows: the improvement of the hardware structure of the temperature and humidity monitoring and controlling device with the adjusting function is provided; the technical scheme for solving the technical problems is as follows: the temperature and humidity monitoring system comprises a temperature and humidity monitoring host and a plurality of temperature and humidity acquisition terminals, wherein the temperature and humidity monitoring host and the plurality of temperature and humidity acquisition terminals are arranged in a frequency converter cabinet body, a main control module is arranged in the temperature and humidity monitoring host, the main control module comprises a processor module, a key filtering module, an LED display screen, a power circuit and a communication interface module, the processor module is connected with a relay and a switching value detection circuit through wires, and the relay is also connected with a dehumidification module through wires; the temperature and humidity acquisition terminal is internally provided with a microprocessor, a temperature measurement module, a humidity measurement module and a communication module; the utility model discloses be applied to the humiture control.

Description

Temperature and humidity monitoring and controlling device with adjusting function

Technical Field

The utility model relates to a temperature and humidity monitoring control device who possesses regulatory function belongs to the temperature and humidity monitoring control device technical field who possesses regulatory function.

Background

Wind power generation leaves the use of converter indelibly, and coastal area is because humidity is too big, and after the converter operation a period, the internal portion of cabinet can produce too much salt fog, influences the function of the internal portion device of cabinet to influence the normal use and the life-span of the cabinet body, current converter control protection device still is comparatively single to the means that the internal environment humiture of cabinet detected, leads to adjusting after unable discernment when the internal environment temperature of cabinet is unusual, has caused the hidden danger to the use. Therefore the utility model provides a novel module of multiple spot monitoring humiture carries out online real-time supervision to the cabinet body according to the humiture, heats the dehumidification automatically, reduces the too high humiture of the internal portion of cabinet, links to each other with the host computer simultaneously, and the personnel of conveniently maintaining in time discover equipment trouble through remote monitoring, avoid the fan to be corroded, replaced the manual work to patrol and examine, reduced the cost of labor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome not enough that exists among the prior art, the technical problem that will solve is: the improvement of the hardware structure of the temperature and humidity monitoring and controlling device with the adjusting function is provided.

In order to solve the technical problem, the utility model discloses a technical scheme be: a temperature and humidity monitoring control device with an adjusting function comprises a temperature and humidity monitoring host and a plurality of temperature and humidity acquisition terminals, wherein the temperature and humidity acquisition terminals are arranged on the top, the bottom and the side wall of a frequency converter cabinet body respectively;

the temperature and humidity acquisition terminal is internally provided with a microprocessor, a temperature measurement module, a humidity measurement module and a communication module, and the microprocessor is respectively connected with the temperature measurement module, the humidity measurement module and the communication module through leads.

The communication interface module comprises two communication units, wherein one communication unit realizes the communication between the processor module and the upper computer, the other communication unit realizes the communication between the processor module and the temperature and humidity acquisition terminal, the two communication units adopt 485 communication, and a signal isolation circuit is arranged in the communication units of the processor module and the temperature and humidity acquisition terminal.

The switching value detection circuit comprises a rectifier bridge and an optocoupler chip, wherein the rectifier bridge receives and rectifies 220VAC, then the rectifier bridge reaches the optocoupler chip through a 560K resistor to convert, 220VAC is input into the circuit, the other side of the optocoupler chip is conducted, then IO of a processor module connected with the optocoupler chip can receive high level, and a parallel LED can be lightened to display input.

The key filtering module is composed of a filtering capacitor and a resistor and is provided with 5 keys, and the 5 keys are respectively connected with 5 IO ports of the microprocessor module to be controlled independently.

The processor module in the temperature and humidity monitoring host and the microprocessor in the temperature and humidity acquisition terminal are respectively single-chip microcomputers with models of STC8G2K64S4 and STC8G2K32S 2.

The humidity measurement module specifically adopts the humiture measurement chip that the model is SHT30, and the humidity measurement module passes through I2C communication and links to each other with microprocessor, the temperature measurement module specifically adopts the temperature measurement chip that the model is DS18B 20.

The utility model discloses beneficial effect for prior art possesses does: the utility model provides a humiture monitoring control device who possesses regulatory function can carry out real-time supervision to the humiture of the internal portion of cabinet position of weight, and the data that will gather are uploaded for long-range remote control system or well accuse room computer to carry out the self-heating dehumidification according to the warning threshold value that sets up.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic circuit diagram of the temperature and humidity monitoring host processor module of the present invention;

fig. 3 is a circuit schematic diagram of the switching value detection circuit of the temperature and humidity monitoring host of the present invention;

fig. 4 is a circuit schematic diagram of the temperature and humidity monitoring host relay of the present invention;

fig. 5 is a schematic circuit diagram of the communication between the temperature and humidity monitoring host and the upper computer;

fig. 6 is a schematic circuit diagram of the communication between the temperature and humidity monitoring host and the temperature and humidity acquisition terminal of the present invention;

fig. 7 is a schematic circuit diagram of the temperature and humidity acquisition terminal microprocessor of the present invention;

fig. 8 is a schematic circuit diagram of the humidity measuring module of the temperature and humidity acquisition terminal of the present invention;

fig. 9 is a schematic circuit diagram of the temperature measurement module of the temperature and humidity acquisition terminal of the present invention;

fig. 10 is the circuit schematic diagram of the temperature and humidity acquisition terminal communication module of the present invention.

Detailed Description

As shown in fig. 1 to 10, the utility model provides a temperature and humidity monitoring module in the converter cabinet that possesses intelligent regulation function possesses job stabilization, integrated level height, convenient operation, measurement accuracy height, the strong advantage of system compatibility.

The utility model discloses constitute by a humiture monitoring host computer and six humiture acquisition terminals, there is host system inside the humiture monitoring host computer, there is humiture acquisition module inside the humiture acquisition terminal, and host system includes microprocessor module, key filter module, LED display screen, power supply circuit and communication interface module, the utility model discloses an above-mentioned structure has realized the control to external environment humiture through the mode that sets up 6 humiture acquisition module, has solved among the prior art converter remote monitoring system's hardware intelligence protection device's in the middle of the hardware missing problem, through carrying out automated inspection and regulation to the cabinet internal environment humiture, prolongs the life of converter.

The utility model discloses host system hardware structure contains following several modules: 1. the core of the microprocessor module is STC8G2K64S4, and the microprocessor module has complete functions and low manufacturing cost and is suitable for the main functions of the equipment. 2. The button filtering module constitutes for filter capacitor and resistance, plays the effect of hardware filtering, the utility model discloses possess 5 buttons, connect 5 IO mouths of microprocessor module respectively and carry out the independent control to can cooperate the display screen to use. 3. The hardware of the LED display screen is connected with 9 pins, and the backlight, content display and the like of the LED display screen can be controlled by the microprocessor. 4. Communication interface module comprises two modules, and a module IS the utility model discloses to the communication of host computer, a module IS microprocessor module to the communication of humiture acquisition module, and two module principles are the same, all IS to utilize MAX3485ESA chip to carry out 485 communications, and the difference IS that microprocessor module has more a module signal isolation to in the communication circuit of humiture acquisition module, constitutes digital isolation and power isolation by B0303S and CA-IS3721 HS. 5. The power supply circuit is formed by taking PW2312 as a core and is provided with a capacitor, an inductor and a high-precision resistor, the output voltage is adjusted to be 3.3V according to the resistor, and the power supply circuit is suitable for all voltage inputs of a host.

The utility model discloses 6 humiture acquisition module structures are the same, contain microprocessor, measurement humiture circuit and communication end module, and the microprocessor model is STC8G2K32S2, and the measurement humiture circuit is SHT30 and constitutes for the core, through I2C communication SHT30, reads temperature and humidity on it, has still attached DS18B20 and has carried out the more detailed measurement of temperature; the communication module adopts MAX3485ESA as the circuit of the communication chip to complete the 485 communication function.

Finally, the utility model discloses additionally still possess a LED by the control of independent IO mouth, can be used to experiment and normal work and instruct.

The utility model discloses need set up 6 humiture collection module's communication address at host system before the work, press the key for a long time and can get into the address configuration interface, can carry out setting one by one to humiture collection module's communication address at the configuration interface. When 485 communication lines are connected between the main control module and a single temperature and humidity acquisition module and the main control module is powered on, a configuration interface is entered, the main control module can perform address configuration on the temperature and humidity acquisition module through address selection, when initial handshake is successful, whether the first line is connected can be displayed, after an address to be configured is selected, a confirmation key is pressed for a short time, the main control module performs address configuration, after configuration is successful, a setting completion line can be displayed (whether connection can be displayed simultaneously is not), the temperature and humidity acquisition module address configuration is successful at the moment, and the short-time pressing key exits the address configuration interface.

The utility model discloses monitor after the humiture reaches the alert value, carry out the action to the relay after judging by microprocessor internal logic, relay supply voltage is +24V, carries out the undercurrent drive heavy current by triode MMST3904 in this circuit to it has the more clear operating condition who shows the relay of LED lamp to connect in parallel. When the temperature and humidity in the cabinet body is higher than the warning value, the relay receives a signal to act and attract, the dehumidification module connected with the relay starts to work, and when the temperature and humidity in the cabinet body returns to the normal value, the relay is disconnected, and the dehumidification module stops working. The utility model discloses can insert the original remote monitering system of wind-powered electricity generation field through the 485 communication, upload the humiture information that will gather, the staff of being convenient for looks over behind the self-heating dehumidification that the humiture still exists unusually in the cabinet.

The utility model discloses can also gather current signal to whether the operating condition of heating dehumidification equipment is normal in the control converter cabinet, the utility model discloses have the circuit that the four ways is the same, carry out 220 VAC's receipt rectification by rectifier bridge MB10F earlier, then through 560K resistance, reach opto-coupler PC357 and convert, input 220VAC in the circuit, the opto-coupler opposite side switches on, and then the IO meeting that links to each other with it receives the high level, and parallelly connected LED can brighten in order to show the input. When dehumidification module normal during operation, the utility model discloses a display screen can show that the operating condition of dehumidification module is ON, when dehumidification module stop work, the utility model discloses a display screen can show that the operating condition of dehumidification module is OFF.

The utility model discloses there is the selection automatic and two shelves manual, when the self-heating dehumidification was opened, the unable manual switch relay control of staff adds the thermal dehumidification equipment, and after the self-heating dehumidification was closed, operating personnel can carry out the on-off operation control of two relays adds the thermal dehumidification equipment. On the other hand, for the protection of display screen and the demonstration of more optimizing, the utility model discloses possess the option setting of time length in a poor light equally, the staff accessible is pressed for a short time or long about the key set up the time in a poor light, put out the screen after, the staff can press arbitrary key and carry out the lightening of screen.

About the utility model discloses what the concrete structure need explain, the utility model discloses a each part module connection relation each other is definite, realizable, except that the special explanation in the embodiment, its specific connection relation can bring corresponding technological effect to based on do not rely on under the prerequisite of corresponding software program execution, solve the utility model provides a technical problem, the utility model provides a model, the connection mode of parts, module, specific components and parts that appear all belong to the prior art such as the published patent that technical staff can acquire before the application day, published journal paper, or common general knowledge, need not to describe in detail for the technical scheme that the present case provided is clear, complete, realizable, and can be according to this technical means or obtain corresponding entity product.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or modules or all technical features thereof may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a temperature and humidity monitoring control device who possesses regulatory function which characterized in that: the temperature and humidity monitoring system comprises a temperature and humidity monitoring host and a plurality of temperature and humidity acquisition terminals, wherein the temperature and humidity acquisition terminals are arranged in a frequency converter cabinet body, the temperature and humidity acquisition terminals are respectively arranged on the top, the bottom and the side wall in the frequency converter cabinet body, a main control module is arranged in the temperature and humidity monitoring host, the main control module comprises a processor module, a key filtering module, an LED display screen, a power circuit and a communication interface module, the processor module is respectively connected with the key filtering module, the LED display screen, the power circuit and the communication interface module through wires, the processor module is also connected with a relay and a switching value detection circuit through wires, and the relay is also connected with a dehumidification module through wires;

2. The temperature and humidity monitoring and control device with the adjusting function according to claim 1, characterized in that: the communication interface module comprises two communication units, wherein one communication unit realizes the communication between the processor module and the upper computer, the other communication unit realizes the communication between the processor module and the temperature and humidity acquisition terminal, the two communication units adopt 485 communication, and a signal isolation circuit is arranged in the communication units of the processor module and the temperature and humidity acquisition terminal.

3. The temperature and humidity monitoring and control device with the adjusting function according to claim 1, characterized in that: the switching value detection circuit comprises a rectifier bridge and an optocoupler chip, wherein the rectifier bridge receives and rectifies 220VAC, then the rectifier bridge reaches the optocoupler chip through a 560K resistor to convert, 220VAC is input into the circuit, the other side of the optocoupler chip is conducted, then IO of a processor module connected with the optocoupler chip can receive high level, and a parallel LED can be lightened to display input.

4. The temperature and humidity monitoring and control device with the adjusting function according to claim 1, characterized in that: the key filtering module is composed of a filtering capacitor and a resistor and is provided with 5 keys, and the 5 keys are respectively connected with 5 IO ports of the microprocessor module to be controlled independently.

5. The temperature and humidity monitoring and control device with the adjusting function according to claim 1, characterized in that: the processor module in the temperature and humidity monitoring host and the microprocessor in the temperature and humidity acquisition terminal are respectively single-chip microcomputers with models of STC8G2K64S4 and STC8G2K32S 2.

6. The temperature and humidity monitoring and control device with the adjusting function according to claim 1, characterized in that: the humidity measurement module specifically adopts the humiture measurement chip that the model is SHT30, and the humidity measurement module passes through I2C communication and links to each other with microprocessor, the temperature measurement module specifically adopts the temperature measurement chip that the model is DS18B 20.