CN218847657U

CN218847657U - Multi-split detector for central air conditioner

Info

Publication number: CN218847657U
Application number: CN202223241895.7U
Authority: CN
Inventors: 陈云泽
Original assignee: Haikou Keyuanda Electromechanical Engineering Co ltd
Current assignee: Haikou Keyuanda Electromechanical Engineering Co ltd
Priority date: 2022-12-03
Filing date: 2022-12-03
Publication date: 2023-04-11
Anticipated expiration: 2032-12-03

Abstract

The utility model discloses a many online detectors of central air conditioning, including the aluminum hull, the inside screen extension board that is equipped with of aluminum hull, and screen extension board two sides installs master control board and touch-sensitive screen respectively, the touch-sensitive screen shows fault information, it makes the touch-sensitive screen CAN use the form display data of form to show to handle the chip, be convenient for look over directly perceived orderly, the master control board is integrated with to show and handles the chip, the aluminum hull side is equipped with two sets of TTL interfaces with master control board electric connection, the RS interface, the CAN interface, the aluminum hull side still is equipped with the USB-C interface with master control board electric connection, abundant peripheral hardware interface, the peripheral hardware of support is more complete, the master control board surface is equipped with the shield cover, the aluminum hull is metal material, shield cover CAN shield external disturbance on the cooperation, avoid external electromagnetic interference, ensure that the internal circuit is stable to work, the battery makes the detector CAN the independent work, be convenient for detect the air conditioner, the fault problem of quick determination.

Description

Multi-split detector for central air conditioner

Technical Field

The utility model relates to an air conditioner technical field specifically is a many online detectors of central air conditioning.

Background

In order to accurately detect the fault problem of the air conditioning equipment, the commonly adopted detection methods can be divided into the following two types: the first is a direct judgment mode, that is, a worker judges the fault state of the air conditioning equipment according to a fault code displayed by the air conditioning equipment. However, the type of fault determined by such a debugging method is not accurate enough, and attention needs to be paid to troubleshooting the fault problem.

And secondly, in a wired debugging mode, a notebook computer is used for reading fault codes on an air conditioner internal unit, so that the fault state of the internal unit of the air conditioner equipment is judged. Although the debugging mode can effectively improve the accuracy of fault types, the debugging mode needs to carry a notebook computer, the maintenance cost is high, and the portability is insufficient.

In summary, the existing debugging method has the problems of tedious debugging process, low efficiency and high cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a many online detectors of central air conditioning to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a central air conditioning multi-split unit detector comprises an aluminum shell, wherein a screen support plate is arranged in the aluminum shell, the aluminum shell is arranged in a rectangular shape, the screen support plate and the aluminum shell are integrally formed, a main control board and a touch screen are respectively arranged on two sides of the screen support plate, and the touch screen is a 4.3-inch full-capacitance touch screen;

the display processing chip is integrated on the main control board, the touch screen is connected with the main control board through a screen flat cable, the surface of the screen support plate is also provided with a battery electrically connected with the main control board, the side face of the aluminum shell is provided with two groups of TTL (transistor-transistor logic) interfaces, RS (remote sensing) interfaces and CAN (controller area network) interfaces electrically connected with the main control board, and the four interfaces are arranged on the same line, so that the wiring is more orderly;

the improved aluminum shell is characterized in that a USB-C interface electrically connected with the main control panel is further arranged on the side face of the aluminum shell, a shielding cover is arranged on the surface of the main control panel, a bottom shell is arranged on the surface of the aluminum shell and made of aluminum, a self-tapping screw penetrating through the bottom shell is arranged on the surface of the aluminum shell and is in threaded connection with the aluminum shell and the bottom shell, and graphite radiating fins attached to the surface of the shielding cover are arranged on the surface of the bottom shell, so that heat conduction of the main control panel and components of the main control panel is improved.

Furthermore, the side of the aluminum shell is provided with a switch and an indicator light which are electrically connected with the main control panel, the switch and the indicator light are in the same plane with the TTL interface, and the switch is in a key type and has clear feedback feeling.

Further, a first sinking groove is formed in the side face of the aluminum shell, the TTL interface, the RS interface and the CAN interface are arranged in the first sinking groove, and the first sinking groove sinks by 1mm, so that the TTL interface, the RS interface and the CAN interface CAN be protected.

Furthermore, a second sinking groove is formed in the side face of the aluminum shell, the USB-C interface is arranged in the middle of the second sinking groove, the second sinking groove is sunk by 1mm, and the USB-C interface is flush with the second sinking groove.

Furthermore, five groups of fixing wires which are in threaded connection with the screen support plate are inserted into the surface of the main control plate, and the screen support plate is provided with an internal thread column which is used for stably supporting the main control plate.

Furthermore, a protective film is attached to the surface of the touch screen, the size of the protective film is the same as that of the aluminum shell, and the protective film covers the touch screen completely.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a 4.3 cun full-capacitance touch-sensitive screen display fault information, the display processing chip makes the touch-sensitive screen can display data with the form of table, be convenient for look over directly perceived orderly;

the supported peripherals are more complete through two TTL interfaces, an RS485 interface, a CAN interface, a USB-C interface and abundant peripheral hardware interfaces;

the aluminum shell is made of metal materials, and can shield external interference by matching with the upper shielding case, so that external electromagnetic interference is avoided, and stable operation of an internal circuit is ensured;

the utility model discloses the volume is littleer, and it is more convenient to carry, and the battery makes the detector can the autonomous working, need not to have current power, is convenient for detect the air conditioner, the quick definite trouble problem.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a schematic view of the structure of the aluminum case and the USB-C interface of the present invention;

FIG. 3 is a schematic view of the structure of the aluminum case and the switch of the present invention;

FIG. 4 is a schematic structural view of the aluminum shell and the main control board of the present invention;

fig. 5 is a schematic structural view of the aluminum shell and the bottom shell of the present invention.

In the figure: 1. an aluminum shell; 2. a touch screen; 3. a protective film; 4. a second sink tank; 5. a USB-C interface; 6. self-tapping; 7. a switch; 8. an indicator light; 9. a first sink tank; 10. a TTL interface; 11. a main control board; 12. a battery; 13. a shield case; 14. fixing the wire; 15. an RS485 interface; 16. a CAN interface; 17. a bottom case; 18. a graphite heat sink; 19. a screen support plate; 20. and displaying the processing chip.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a central air conditioning multi-split unit detector comprises an aluminum shell 1, wherein the aluminum shell 1 protects a main control board 11, the anti-falling capability is good, a screen support plate 19 is arranged inside the aluminum shell 1, the main control board 11 and a touch screen 2 are respectively installed on two sides of the screen support plate 19, the touch screen 2 is flush with the aluminum shell 1, a display processing chip 20 is integrated on the main control board 11, and a battery 12 electrically connected with the main control board 11 is also arranged on the surface of the screen support plate 19;

the main control board 11 adopts a multi-connected module of USART, RS485 and CAN communication protocols to comprehensively detect and analyze the central air proposal;

the improved aluminum shell structure is characterized in that two groups of TTL interfaces 10, RS485 interfaces 15 and CAN interfaces 16 which are electrically connected with a main control board 11 are arranged on the side surface of the aluminum shell 1, a USB-C interface 5 which is electrically connected with the main control board 11 is further arranged on the side surface of the aluminum shell 1, the USB-C CAN charge a battery 12, a shielding cover 13 is arranged on the surface of the main control board 11, the shielding cover 13 shields external electromagnetic interference, a bottom shell 17 is arranged on the surface of the aluminum shell 1, the bottom shell 17 blocks an opening of the aluminum shell 1, a self-tapping screw 6 penetrating through the bottom shell 17 is arranged on the surface of the aluminum shell 1, the stability of connection between the aluminum shell 1 and the bottom shell 17 is realized, and graphite radiating fins 18 attached to the surface of the shielding cover 13 are arranged on the surface of the bottom shell 17 to conduct heat to the main control board 11.

The side of the aluminum shell 1 is provided with a switch 7 and an indicator light 8 which are electrically connected with a main control board 11, the switch 7 and the indicator light 8 are in the same plane with a TTL interface 10, and the aluminum shell is started by pressing the switch 7 for a long time.

The side surface of the aluminum shell 1 is provided with a first sinking groove 9, the TTL interface 10, the RS485 interface 15 and the CAN interface 16 are arranged in the first sinking groove 9, so that the TTL interface 10, the RS485 interface 15 and the CAN interface 16 are recessed into a part of the aluminum shell 1, and the TTL interface 10, the RS485 interface 15 and the CAN interface 16 are protected from being easily scraped.

The side surface of the aluminum shell 1 is provided with a second sinking groove 4, the USB-C interface 5 is arranged in the middle of the second sinking groove 4, and the second sinking groove 4 protects the USB-C interface 5.

Five groups of fixing wires 14 which are in threaded connection with the screen support plate 19 are inserted into the surface of the main control plate 11, so that the main control plate 11 is limited to swing.

The surface of the touch screen 2 is attached with the protective film 3, so that the touch screen 2 is prevented from being scratched, and the service life is prolonged.

Specifically, during the use, press switch 7 to start the detector for a long time, use the data line to couple together central air conditioning and main control panel 11, two sets of TTL interfaces 10, RS485 interface 15, CAN interface 16 provides abundant peripheral hardware interface, improve the compatibility of detector, the data transmission of the inside computer of central air conditioning is to main control panel 11, and show through touch-sensitive screen 2, be convenient for confirm the trouble of central air conditioning fast, shorten check-up time, improve maintenance efficiency, 1 height of length and width of aluminium hull is 120mm, 78mm, 20mm, the volume is littleer, and convenient to carry.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a many online detectors of central air conditioning, includes aluminum hull (1), its characterized in that: the improved multifunctional screen is characterized in that a screen support plate (19) is arranged inside the aluminum shell (1), a main control plate (11) and a touch screen (2) are respectively installed on two sides of the screen support plate (19), a display processing chip (20) is integrated on the main control plate (11), a battery (12) electrically connected with the main control plate (11) is further arranged on the surface of the screen support plate (19), two sets of TTL (transistor-transistor logic) interfaces (10), RS485 interfaces (15) and CAN (controller area network) interfaces (16) electrically connected with the main control plate (11) are arranged on the side surface of the aluminum shell (1), a USB-C (universal serial bus-communication) interface (5) electrically connected with the main control plate (11) is further arranged on the side surface of the aluminum shell (1), a shielding cover (13) is arranged on the surface of the main control plate (11), a bottom shell (17) is installed on the surface of the aluminum shell (1), a self-tapping hole (6) penetrating through the bottom shell (17) is installed on the surface of the aluminum shell (1), and a graphite cooling fin (18) attached to the surface of the shielding cover (13) is arranged on the surface of the bottom shell (17).

2. The detector of claim 1, wherein the detector comprises: the side surface of the aluminum shell (1) is provided with a switch (7) and an indicator light (8) which are electrically connected with the main control board (11), and the switch (7) and the indicator light (8) are positioned on the same surface with the TTL interface (10).

3. The instrumentation of claim 1, wherein: the side surface of the aluminum shell (1) is provided with a first sinking groove (9), and the TTL interface (10), the RS485 interface (15) and the CAN interface (16) are arranged in the first sinking groove (9).

4. The instrumentation of claim 1, wherein: a second sinking groove (4) is formed in the side face of the aluminum shell (1), and the USB-C interface (5) is arranged in the middle of the second sinking groove (4).

5. The detector of claim 1, wherein the detector comprises: five groups of fixing wires (14) which are in threaded connection with the screen support plate (19) are inserted into the surface of the main control plate (11).

6. The detector of claim 1, wherein the detector comprises: and a protective film (3) is attached to the surface of the touch screen (2).