CN213122673U

CN213122673U - Universal constant temperature and humidity control circuit board

Info

Publication number: CN213122673U
Application number: CN202022588550.3U
Authority: CN
Inventors: 王志远
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-05-04
Anticipated expiration: 2030-11-11

Abstract

General type constant temperature and humidity control circuit board, including base plate, central controller, isolation communication module, keep apart AI module, environment sampling module, relay output module, keep apart power module, communication mechanism and give electrical mechanism, environment sampling module includes humidification current sample thief and temperature sample thief, and communication mechanism includes splice plate communication module, touch-sensitive screen communication module and DCS communication module, includes system power input module and IO power input module for electrical mechanism. The utility model discloses control circuit board adopts the special algorithm of temperature and humidity decoupling zero, has effectively solved the problem that the humiture influences mutually, and signal input adopts effectual photoelectric isolation technique, has avoided the electromagnetic interference that often exists in the scene to control system's influence, and circuit board ambient signal's collection adopts analog quantity and communication dual mode, conveniently uses in different occasions, and this circuit board adopts the optional dual power supply of isolation to give the electric mode simultaneously, has reinforcing interference immunity's effect.

Description

Universal constant temperature and humidity control circuit board

Technical Field

The utility model relates to an anti-riot terminal safety control technical field, concretely relates to general type constant temperature and humidity control circuit board.

Background

The air conditioner is widely used as an air conditioning device, the popularization of the heat pump technology accelerates the use of the air conditioner, the air conditioner can be used in summer with inflammation or winter with people deprived of cold air, but the existing household air conditioner only has a constant temperature function and does not have the functions of constant temperature and constant humidity. At present, the existing air conditioner is only provided with a constant temperature function, and the environment which can be heated by the air conditioner is very dry in cold winter, so that people can feel dry mouth and tongue and the humidity of the environment needs to be increased. At present, a common method is to adopt a separate humidifier for humidification, but the constant temperature and humidity are difficult to ensure, and the humidity is high, so that indoor objects can be damaged by dampness, and the temperature is not constant.

The air conditioning system is a multivariable, strong coupling, large disturbance, large inertia and very complex system which is difficult to control and has pure hysteresis characteristics, and the problem of mutual influence of temperature and humidity is difficult to solve by the existing air conditioning control system. And electromagnetic interference in the installation environment influences the existing control system very much, and the collection of the existing air conditioner circuit board environment signal adopts a single communication mode, or adopts analog quantity or adopts a communication mode. The air conditioner control system can not be applied to different occasions, the power supply mode of the existing air conditioner control system is single, the anti-interference performance is poor, and the application range is limited.

SUMMERY OF THE UTILITY MODEL

The utility model provides a general type constant temperature and humidity control circuit board to the humiture that solves the prior art existence influences and the limited problem of application scope mutually.

The utility model provides a technical scheme that its technical problem adopted is:

a universal constant temperature and humidity control circuit board comprises a substrate, a central controller, an isolation communication module, an isolation AI module, an environment sampling module, a relay output module, an isolation power module, a communication mechanism and a power supply mechanism, wherein the central controller is respectively connected with the isolation communication module, the isolation AI module, the environment sampling module, the relay output module, the isolation power module and a control analog output module, the environment sampling module comprises a humidifying current sampler and a temperature sampler, the communication mechanism comprises a splice plate communication module, a touch screen communication module and a DCS communication module, the splice plate communication module, the touch screen communication module and the DCS communication module are respectively connected with the central controller through the isolation communication module, the power supply mechanism comprises a system power input module and an IO power input module, the system power input module and the IO power input module are connected with the central controller through the isolation power module, the switching value input module and the analog value input module are respectively connected with the central controller through the isolation AI module, and the control switching value output module is connected with the central controller through the relay output module.

The central controller described above employs a PIC32 bit processor.

The peripheral power output module is arranged on the substrate, is connected with the central controller and can be connected with an upper computer interface, and therefore formation of an information island is effectively avoided.

The circuit board of the utility model is processed by the power supply and is conditioned the part and provide stable power supply and supply other parts to use. The external signal is acquired by the analog quantity acquisition part and the external communication part, the circuit board acquires control parameters required by a human-computer interface from the touch screen, the central controller automatically adjusts the temperature and the humidity of a space controlled by the air conditioner under the condition of confirming the safety of the system according to the acquired signal and the control requirement, the number of compressors and the number of electric heaters are increased and decreased timely, and the working condition of the compressors is adjusted to ensure that the temperature and the humidity are qualified and ensure the safety of equipment.

The utility model discloses control circuit board adopts the special algorithm of temperature and humidity decoupling zero, the problem that the humiture influences each other has effectively been solved, signal input adopts effectual photoelectric isolation technique, the electromagnetic interference who has avoided the frequent existence in scene is to control system's influence, circuit board environmental signal's collection adopts analog quantity and communication dual mode, conveniently use in different occasions, this circuit board adopts the optional dual power supply mode of keeping apart simultaneously, the effect that has reinforcing interference immunity, under the complicated occasion of site environment, obvious advantage has, this circuit board has multiple control mode in addition, can realize refrigeration heating alone, ventilate, full-automatic processes such as dehumidification humidification.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic connection diagram of the circuit board of the present invention.

In the figure, 1 a substrate, 2 a central controller, 3 an isolation communication module, 4 an isolation AI module, 5 an environment sampling module, 6 a relay output module, 7 an isolation power supply module, 8 a humidification current sampler, 9 a temperature sampler, 10 a splice plate communication module, 11 a touch screen communication module, 12 a DCS communication module, 13 a system power supply input module, 14 an IO power supply input module, 15 an external power supply output module, 16 a switching value input module, 17 an analog value input module, 18 a control switching value output module and 19 a control analog value output module.

Detailed Description

As shown in the figure, the universal constant temperature and humidity control circuit board comprises a substrate 1, a central controller 2, an isolation communication module 3, an isolation AI module 4, an environment sampling module 5, a relay output module 6, an isolation power module 7, a communication mechanism and a power supply mechanism, wherein the central controller adopts a PIC32 bit processor, the central controller 2 is respectively connected with the isolation communication module 3, the isolation AI module 4, the environment sampling module 5, the relay output module 6, the isolation power module 7 and a control analog quantity output module 19, the environment sampling module 5 comprises a humidifying current sampler 8 and a temperature sampler 9, the communication mechanism comprises a splice plate communication module 10, a touch screen communication module 11 and a DCS communication module 12, the splice plate communication module 10, the touch screen communication module 11 and the DCS communication module 12 are respectively connected with the central controller 2 through the isolation communication module 3, the power supply mechanism comprises a system power supply input module 13 and an IO power supply input module 14, the system power supply input module 13 and the IO power supply input module 14 are connected with the central controller 2 through an isolation power supply module 7, a switching value input module 16 and an analog value input module 17 are connected with the central controller 2 through an isolation AI module 4 respectively, and a control switching value output module 18 is connected with the central controller 2 through a relay output module 6. The base plate is provided with the peripheral power output module 15, the peripheral power output module 15 is connected with the central controller 2 and can be connected with an upper computer interface, and the formation of an information isolated island is effectively avoided.

Claims

1. A universal constant temperature and humidity control circuit board is characterized by comprising a substrate, a central controller, an isolation communication module, an isolation AI module, an environment sampling module, a relay output module, an isolation power module, a communication mechanism and a power supply mechanism, wherein the central controller is respectively connected with the isolation communication module, the isolation AI module, the environment sampling module, the relay output module, the isolation power module and a control analog quantity output module, the environment sampling module comprises a humidifying current sampler and a temperature sampler, the communication mechanism comprises a splice plate communication module, a touch screen communication module and a DCS communication module, the splice plate communication module, the touch screen communication module and the DCS communication module are respectively connected with the central controller through the isolation communication module, the power supply mechanism comprises a system power input module and an IO power input module, the system power input module and the IO power input module are connected with the central controller through the isolation power module, the switching value input module and the analog value input module are respectively connected with the central controller through the isolation AI module, and the control switching value output module is connected with the central controller through the relay output module.

2. The universal constant temperature and humidity control circuit board as claimed in claim 1, wherein the central controller adopts PIC32 bit processor.

3. The universal constant temperature and humidity control circuit board as claimed in claim 1, wherein the substrate is provided with an external power output module, and the external power output module is connected with the central controller.