External remote communication control box of industrial split air conditioner

Abstract

The invention discloses an external remote communication control box for an industrial split air conditioner. The external remote communication control box comprises a box body and a control mechanism arranged in the box body. The box body is composed of a front box body and a rear box body which are hinged through a hinge. The control mechanism comprises a first relay, a core control board, a switch lock, a local button and a remote button, wherein the switch lock, the local button and the remote button are arranged on the front box body. The newly added air conditioner remote control system is connected into an existing central control system, and the remote operation function is achieved on the air conditioner remote control system.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of air conditioner control, and particularly relates to an external remote communication control box of an industrial split air conditioner. BACKGROUND

[0002] Air conditioner refers to an equipment for adjusting temperature, humidity, flow rate and cleanliness of air in a closed space by artificial means, so that air parameters of a target environment meet requirements. The air conditioner generally comprises cold and heat source equipment, cold and heat medium system, terminal device and other auxiliary equipment, and mainly comprises a water pump, a fan and a pipeline system.

[0003] At the same time, the air conditioner is gradually separated from household use and appears in schools, companies, factories and more use scenarios. Most air conditioners are controlled on site, and users control the air conditioner by directly operating keys on the air conditioner or by operating an infrared remote controller at a short distance. However, the air conditioner itself does not have a remote control function, and cannot meet the remote control requirements of unmanned platforms. Therefore, a remote control system needs to be added to meet the requirements of remote control and monitoring of air conditioners in unmanned platforms. SUMMARY

[0004] The application is proposed to solve the problem that the air conditioner itself does not have a remote control function in the prior art, and aims to provide an external remote communication control box of an industrial split air conditioner.

[0005] The application is implemented by the following technical scheme: An external remote communication control box of an industrial split air conditioner comprises a box body and a control mechanism arranged in the box body. The control mechanism comprises a first relay, a core control board, a second relay, a local button and a remote button. The core control board is connected between an air conditioner main control board and an air conditioner operation panel. The core control board is connected to a remote central control by 485 communication. The first relay and the second relay are both connected to the core control board by digital signal control. The first relay is connected between a local indicator lamp and the core control board. The second relay is connected between a remote indicator lamp and the core control board.

[0006] In the above technical scheme, the box body is composed of a front box body and a rear box body connected by a hinge.

[0007] In the above technical scheme, the rear box body is internally provided with a mounting plate. The first relay, the core control board and the second relay are fixed to the mounting plate.

[0008] In the above technical scheme, the rear box body is provided with a communication line interface and a power supply interface. A communication line and a power supply line are extended from the corresponding interfaces.

[0009] In the above technical solution, the core control board and the air conditioner main control board, and the core control board and the air conditioner operation panel are connected by CAN communication.

[0010] In the above technical solution, the local button and the remote button are arranged on the front box body. In the above technical solution, the local button is provided with a local indicator light, and the remote button is provided with a remote indicator light; the local button and the remote button are both triggered in a point-by-point manner; the local indicator light and the remote indicator light are different in color.

[0011] In the above technical solution, a switch lock is arranged on the front box body.

[0012] The present application has the following advantages: The present application provides an external remote communication control box for industrial split air conditioner, which designs an air conditioner control system for external control, transmits signals to the central control through RS485 communication line, and installs a relay and a core control board on the installation plate in the control box. The core control board performs communication conversion, and the CAN communication of the main control board and the CAN communication of the operation panel are connected by software in the local mode. In the remote mode, the core control board converts the 485 communication and the CAN communication, and performs real-time transmission and reception of instructions. After the transformation, the new remote control system is put into normal use. The central control system is used for remote real-time monitoring and temperature adjustment on Weizhou 6-9 / 6-10 platform, and the device can be started and stopped in emergency, improving the reliability of the device, ensuring the safety of oilfield production, and improving the skill level and practical ability of employees. The additional module allows the remote platform to obtain information in time, process it earlier, avoid large-scale loss, and prevent accidents. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 is the front view of the present application; Fig. 2 is the internal structure schematic diagram of the box body when it is opened; Fig. 3 is the circuit principle diagram of the present application.

[0014] Among them: 1, box body; 2, front box body; 3, switch lock; 4, local button; 5, local indicator light; 6, remote button; 7, remote indicator light; 8, communication line; 9, power line; 10, hinge; 11, rear box body; 12, installation plate; 13, first relay; 14, core control board; 15, second relay; 16, air conditioner main control board; 17, air conditioner operation panel.

[0015] For those skilled in the art, other related figures can be obtained from the above figures without any creative effort. Detailed Implementation

[0016] To enable those skilled in the art to better understand the technical solution of the present invention, the technical solution of the present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0017] Example 1 like Figs. 1-3 As shown, an external remote communication control box for an industrial split air conditioner includes a box body 1 and a control mechanism disposed within the box body 1. The box 1 is composed of a front box 2 and a rear box 11 hinged together by a hinge 10; the hinged connection between the front box 2 and the rear box 11 ensures that the control box can be opened to a sufficient angle for operation during installation and circuit debugging, thus ensuring the integrity of the control box. The rear housing 11 is provided with an installation plate 12, which provides an installation base for the control mechanism. The installation plate 12 is easy to disassemble, making it convenient to remove the entire circuit board for later maintenance, thus avoiding the need to disassemble and install the circuit board inside the housing. The rear housing 11 is provided with a communication cable interface and a power interface, with the communication cable 8 and the power cable 9 extending from the corresponding interfaces; The control mechanism includes a first relay 13, a core control board 14, a second relay 15, a local button 4, and a remote button 6; the first relay 13, the core control board 14, and the second relay 15 are fixed on the mounting plate 12. The core control board 14 is connected between the air conditioning main control board 16 and the air conditioning operation panel 17. The core control board 14 and the air conditioning main control board 16, as well as the air conditioning operation panel 17, all use CAN communication. The air conditioning main control board 16 and the air conditioning operation panel 17 are respectively connected to the CAN1 port and CAN2 port of the core control board 14. The core control board 14 is connected to the remote central control system via RS-485 communication. The core control board 14 is model CAN-RS485-Communtion-V3.0; The local button 4 and the remote button 6 are located on the front housing 2; The local button 4 is surrounded by a local indicator light 5, and the remote button 6 is surrounded by a remote indicator light 7. Both the local button 4 and the remote button 6 are momentary triggers; the local indicator light 5 is red, and when the red indicator light is on, the air conditioner is controlled by the original control panel; the remote indicator light 7 is green, and when the green indicator light is on, the air conditioner is controlled remotely via 485. The 24V+ end of the local indicator light 5 and the remote indicator light 7 is connected with the relay, and the 0V- end is connected with the common GND, so as to realize the local and remote state display; The local button 4 and the remote button 6 are connected with the core control panel 14 in a digital quantity control mode (jog type trigger, i.e. electric pulse signal), so as to realize the remote and local function switching. The first relay 13 and the second relay 15 are both connected with the core control panel 14 in a digital quantity signal control mode; the coils of the first relay 13 and the second relay 15 are respectively controlled by PA2 and PA3 of the core control panel, so as to switch the remote mode and simultaneously cut off the power supply of the air conditioner operation panel, and the air conditioner operation panel is powered on in the local mode. The first relay 13 is connected between the local indicator light 5 and the core control panel 14, and the second relay 15 is connected between the remote indicator light 7 and the core control panel 14, so as to control the remote state indicator light 7 and the local state indicator light 5 respectively. The switch lock 3 is arranged on the front box body 2, and the key of the switch lock 3 is kept by the on-duty personnel; due to the line adjustment in daily life, the control box line is prevented from being damaged due to accidental opening. The communication line interface and the power supply interface are arranged at the bottom of the rear page of the control box, and the power supply of the control box is provided by the 24V of the air conditioner main control panel 16.

[0018] Principle of the application: The state of the equipment when leaving the factory is that the CAN communication between the air conditioner main control panel 16 and the air conditioner operation panel 17 is used, the air conditioner main control panel 16 is controlled by the air conditioner operation panel 17, the air conditioner switch and the regulation and control are realized, the communication line connected between the air conditioner main control panel 16 and the air conditioner operation panel 17 is removed, the communication lines of the air conditioner main control panel 16 and the air conditioner operation panel 1 are connected with the core control panel 14, the CAN communication connection between the air conditioner main control panel 16 and the air conditioner operation panel 17 is connected by the core control panel 14, the control is realized through the air conditioner operation panel 17 in the local state, the communication connection between the air conditioner main control panel 16 and the remote central control is connected by the core control panel 14 in the remote state, the remote control is realized, and the 485 communication is adopted.

[0019] The air conditioner control system is controlled externally, the signal is transmitted to the central control through the RS485 communication line, the communication switching is realized by the core control panel, the CAN communication of the air conditioner main control panel and the CAN communication of the air conditioner operation panel are connected in software in the local mode, the 485 communication and the CAN communication are converted in the remote mode, and the real-time sending and receiving of instructions are realized.

[0020] In the description of the present application, it needs to be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined with "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0021] In the description of the present application, it needs to be understood that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood through specific circumstances.

[0022] The applicant declares that the above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and those skilled in the art should understand that any change or replacement within the technical scope disclosed by the present application can be easily thought out by any person skilled in the art, which falls within the protection scope and disclosure scope of the present application.

Claims

1. An external remote communication control box for an industrial split air conditioner, characterized in that: Includes a housing (1) and a control mechanism disposed within the housing (1); The control mechanism includes a first relay (13), a core control board (14), a second relay (15), a local button (4), and a remote button (6). The core control board (14) is connected between the air conditioning main control board (16) and the air conditioning operation panel (17). The core control board (14) is connected to the remote central control via 485 communication. The first relay (13) and the second relay (15) are both connected to the core control board (14) via digital signal control. The first relay (13) is connected between the local indicator light (5) and the core control board (14). The second relay (15) is connected between the remote indicator light (7) and the core control board (14).

2. The external remote communication control box for industrial split air conditioners according to claim 1, characterized in that: The box (1) consists of a front box (2) and a rear box (11) hinged together by a hinge (10).

3. The external remote communication control box for industrial split air conditioners according to claim 2, characterized in that: The rear housing (11) is equipped with an installation plate (12); the first relay (13), the core control board (14), and the second relay (15) are fixed on the installation plate (12).

4. The external remote communication control box for industrial split air conditioners according to claim 2, characterized in that: The rear housing (11) is provided with a communication line interface and a power interface, with the communication line (8) and the power line (9) extending from the corresponding interfaces.

5. The external remote communication control box for industrial split air conditioners according to claim 1, characterized in that: The core control board (14) and the air conditioning main control board (16) communicate via CAN, as do the core control board (14) and the air conditioning operation panel (17).

6. The external remote communication control box for industrial split air conditioners according to claim 2, characterized in that: The local button (4) and the remote button (6) are located on the front housing (2).

7. The external remote communication control box for industrial split air conditioners according to claim 1, characterized in that: The local button (4) is surrounded by a local indicator light (5), and the remote button (6) is surrounded by a remote indicator light (7); both the local button (4) and the remote button (6) are momentary triggers; the local indicator light (5) and the remote indicator light (7) are different colors.

8. The external remote communication control box for industrial split air conditioners according to claim 2, characterized in that: A switch lock (3) is provided on the front box (2).

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