CN210345781U - Air conditioner internal unit diagnosis system - Google Patents
Air conditioner internal unit diagnosis system Download PDFInfo
- Publication number
- CN210345781U CN210345781U CN201920924030.XU CN201920924030U CN210345781U CN 210345781 U CN210345781 U CN 210345781U CN 201920924030 U CN201920924030 U CN 201920924030U CN 210345781 U CN210345781 U CN 210345781U
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- Prior art keywords
- air conditioner
- machine
- internal unit
- internal
- infrared
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- 238000003745 diagnosis Methods 0.000 title claims abstract description 38
- 238000004891 communication Methods 0.000 abstract description 15
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 238000004088 simulation Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002405 diagnostic procedure Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Abstract
The utility model discloses an air conditioner internal unit diagnostic system, including the casing, be equipped with internal unit diagnosis main control unit, infrared instruction transmission controller, infrared sensor, circuit module and power management module in the casing, infrared instruction transmission controller connects respectively internal unit diagnosis main control unit and infrared sensor, internal unit diagnosis main control unit connects and decides frequently quick-witted signal input part and converter signal input part, circuit module with internal unit diagnosis main control unit connects. The utility model discloses a work of outer machine of simulation air conditioner, utilize communication signal and the electric current performance that the inner machine returned to carry out the diagnosis and the test of inner machine trouble, reduce the work of outer machine into a integrated circuit board cooperation infrared remote control instruction can comprehensive accurate judgement inner machine quality and fault point; the board card enables the internal machine to enter different modes in a command mode, and fault points are accurately judged through returned parameter information, current information and the action of the internal machine.
Description
Technical Field
The utility model relates to an industrial automation, consumer electronics field, concretely relates to air conditioner internal unit diagnostic system.
Background
The existing air conditioner internal unit detection is finished manually, an operator is required to detect each point, a fault point can be obtained after the detection is finished, the detection step is time-consuming, the burden of the operator is increased, and no complete equipment can be used for automatically detecting the air conditioner internal unit. Therefore, improvements in the prior art are needed.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the air conditioner internal unit diagnosis system is provided, which can accurately judge the fault point of the air conditioner internal unit and output the fault prompt.
In order to realize the above purpose, the utility model provides an air conditioner internal unit diagnostic system, including the casing, be equipped with internal unit diagnosis main control unit, infrared instruction transmission controller, infrared sensor, circuit module and power management module in the casing, infrared instruction transmission controller connects respectively internal unit diagnosis main control unit and infrared sensor, internal unit diagnosis main control unit connects and decides frequency machine signal input part and converter signal input part, circuit module with internal unit diagnosis main control unit connects.
According to the air conditioner internal unit diagnosis system, the shell is provided with the key and the display interface, and the key and the display interface are externally connected with the display screen.
In the air conditioner internal unit diagnosis system, the power management module is connected with a 220V alternating current power supply through the power input port.
According to the air conditioner internal unit diagnosis system of the embodiment, the scheme has the following effects:
the utility model discloses a work of outer machine of simulation air conditioner, utilize communication signal and the electric current performance that the inner machine returned to carry out the diagnosis and the test of inner machine trouble, reduce the work of outer machine into a integrated circuit board cooperation infrared remote control instruction can comprehensive accurate judgement inner machine quality and fault point; the board card enables the internal machine to enter different modes in a command mode, and fault points are accurately judged through returned parameter information, current information and the action of the internal machine.
Drawings
Fig. 1 is a circuit diagram of an internal unit diagnosis main controller in an internal unit diagnosis system of an air conditioner according to a first embodiment;
fig. 2 is a circuit diagram of an infrared command transmission controller in the diagnostic system of the air conditioner internal unit according to the first embodiment;
fig. 3 is a circuit diagram of a signal input terminal of a fixed frequency machine in the diagnostic system of the air conditioner internal unit of the first embodiment;
fig. 4 is a circuit diagram of the signal input terminal of the inverter in the diagnostic system of the air conditioner internal unit according to the first embodiment.
Reference is made to the following in corresponding reference numbers in the drawings of the specification:
the device comprises an internal machine diagnosis main controller 1, an infrared instruction emission controller 2, a fixed frequency machine signal input end 3 and a frequency converter signal input end 4.
Detailed Description
In order to make the technical means, the inventive features, the objectives and the functions of the present invention easy to understand, the present invention will be further described with reference to the following specific drawings.
The utility model discloses a first embodiment discloses air conditioner internal unit diagnostic system, as shown in fig. 1 to fig. 4, including the casing, be equipped with internal unit diagnosis main control unit 1, infrared instruction transmission controller 2, infrared sensor (in the figure), circuit module and power management module in the casing, infrared instruction transmission controller 2 connects internal unit diagnosis main control unit 1 and infrared sensor respectively, and internal unit diagnosis main control unit 1 connects fixed frequency machine signal input part 3 and converter signal input part 4, and circuit module is connected with internal unit diagnosis main control unit 1.
In addition, the shell is also provided with a key and a display interface, the key and the display interface are externally connected with a display screen, and the power supply management module is connected with a 220V alternating current power supply through a power supply input port.
The signal input end 3 of the fixed frequency machine respectively inputs signals of an external fan, a four-way valve and a compressor, and the signals are isolated and output to the internal machine diagnosis main controller 1 for processing after being shaped;
the internal machine diagnosis main controller 1 is the core of the board card and is responsible for the operation and coordination of the whole board card, information and fault codes are displayed through the driving circuit module, the circuit module is not only used for firmware upgrading, but also used for communicating with an upper computer, receiving instructions of the upper computer and returning the fault codes;
the power management module circuit is used for supplying power and stabilizing voltage to the whole board card, and the air conditioner supplies power through external 220 AC.
In specific use, a plurality of types of air conditioner infrared instructions are mainly arranged in the infrared instruction transmitting controller 2, an infrared frequency signal is modulated after the infrared instruction of the indoor unit diagnosis main controller 1 is received and analyzed, the infrared frequency signal is sent to the infrared sensor through a P4 port and is sent to the infrared air conditioner signal, a 200v power communication link is established through a hardware network at an input port of the variable frequency air conditioner, and the signal is isolated through an optical coupler and then is sent to the indoor unit diagnosis main controller 1 for communication and detection; the indoor unit diagnosis main controller 1 establishes a communication link with an air conditioner indoor unit through the hardware circuit, when detecting that the indoor unit communication characteristic information is received, the indoor unit diagnosis main controller 1 inserts the outdoor unit parameters which are simulated in advance into a communication information stream and sends the communication information stream to the indoor unit, and then receives whether the return information of the indoor unit enters a preset mode or not, so that the fault point of the air conditioner is judged; for example, an instruction for turning on the four-way valve by the internal unit is sent, and the air conditioner does not return turn-on information within a certain time, so that the situation that the internal unit has a fault and is the four-way valve, and the four-way valve is damaged or not installed can be judged.
The second embodiment of the utility model discloses an air conditioner internal unit diagnostic method, and the second embodiment is the method of the first embodiment, including following step:
s1: the infrared instruction transmitting controller 2 receives an instruction of the internal machine diagnosis main controller 1, modulates an infrared frequency signal after analyzing the instruction, and sends an infrared air-conditioning signal to the infrared sensor;
s2: an input port of the variable frequency air conditioner establishes a communication link through a hardware network and sends the communication link to the internal machine diagnosis main controller 1 for communication and detection;
s3: when the internal machine diagnosis main controller 1 detects that the internal machine communication characteristic information is received, the inserted communication information flow simulating the external machine parameters in advance is sent to the internal machine;
s4: and then whether the return information of the internal machine enters a preset mode is received, so that the air conditioner fault point is judged.
In addition, the signal input end 3 of the fixed frequency machine respectively inputs signals of an external fan, a four-way valve and a compressor, the signals are shaped and then isolated and output to the internal machine diagnosis main controller, and the internal machine diagnosis main controller 1 displays information and fault codes through the driving circuit module.
To sum up, the utility model discloses an air conditioner internal unit diagnostic system is through the mode and the internal unit communication of the outer machine of simulation to from the signal judgement that communication information and diagnostic card peripheral detection circuit detected by the air conditioner internal unit fault point, brought very big facility for the measurement personnel, make the detection of air conditioner internal unit more intelligent.
The above description has been made of specific embodiments of the present invention. It is to be understood that the invention is not limited to the particular embodiments described above, and that devices and structures not described in detail are understood to be implemented in a manner common in the art; various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (3)
1. An air conditioner internal unit diagnostic system is characterized in that: the intelligent control device comprises a shell, wherein an inner machine diagnosis main controller, an infrared instruction emission controller, an infrared sensor, a circuit module and a power management module are arranged in the shell, the infrared instruction emission controller is respectively connected with the inner machine diagnosis main controller and the infrared sensor, the inner machine diagnosis main controller is connected with a fixed frequency machine signal input end and a frequency converter signal input end, and the circuit module is connected with the inner machine diagnosis main controller.
2. The indoor unit diagnostic system for an air conditioner according to claim 1, wherein: the shell is provided with a key and a display interface, and the key and the display interface are externally connected with a display screen.
3. The indoor unit diagnostic system for an air conditioner according to claim 1, wherein: the power supply management module is connected with a 220V alternating current power supply through a power supply input port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920924030.XU CN210345781U (en) | 2019-06-19 | 2019-06-19 | Air conditioner internal unit diagnosis system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920924030.XU CN210345781U (en) | 2019-06-19 | 2019-06-19 | Air conditioner internal unit diagnosis system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210345781U true CN210345781U (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920924030.XU Expired - Fee Related CN210345781U (en) | 2019-06-19 | 2019-06-19 | Air conditioner internal unit diagnosis system |
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| Country | Link |
|---|---|
| CN (1) | CN210345781U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113308A (en) * | 2019-06-19 | 2020-12-22 | 上海航兢电子科技有限公司 | Air conditioner indoor unit diagnosis system and diagnosis method |
-
2019
- 2019-06-19 CN CN201920924030.XU patent/CN210345781U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113308A (en) * | 2019-06-19 | 2020-12-22 | 上海航兢电子科技有限公司 | Air conditioner indoor unit diagnosis system and diagnosis method |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200417 |