CN212622869U - Electric heating pipe test system and air conditioner - Google Patents

Electric heating pipe test system and air conditioner Download PDF

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Publication number
CN212622869U
CN212622869U CN202021335381.6U CN202021335381U CN212622869U CN 212622869 U CN212622869 U CN 212622869U CN 202021335381 U CN202021335381 U CN 202021335381U CN 212622869 U CN212622869 U CN 212622869U
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China
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electric heating
heating pipe
state
upper computer
instruction
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CN202021335381.6U
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Chinese (zh)
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严博
贾玉龙
胡家泉
刘爽
王向红
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Gree Electric Appliances Inc of Zhuhai
Gree Wuhan Electric Appliances Co Ltd
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Gree Electric Appliances Inc of Zhuhai
Gree Wuhan Electric Appliances Co Ltd
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Abstract

The application relates to the technical field of automatic testing, in particular to an electric heating pipe testing system and an air conditioner, and solves the problems that in the related art, a heating pipe flows into a next procedure without detection and the error of a detection result of the heating pipe is large. The system comprises: the first control board sends an instruction for starting the electric heating pipe; the second control board is connected with the first control board, receives an instruction sent by the first control board for starting the electric heating pipe and controls the electric heating pipe to be started according to the control instruction; the first testing device is connected with the first control board, acquires state parameters of the electric heating pipe in an opening state and transmits the acquired state parameters to the upper computer; the upper computer is connected with the first testing device, generates a testing instruction, and sends the testing instruction to the first control board, so that the first control board sends an instruction for opening the electric heating pipe, receives the state parameters transmitted by the first testing device, and generates an instruction for abnormal state of the electric heating pipe when the state parameters are not matched with the preset state parameters.

Description

Electric heating pipe test system and air conditioner
Technical Field
The application relates to the technical field of automatic testing, in particular to an electric heating pipe testing system and an air conditioner.
Background
When testing is carried out by safety post personnel of electric appliances in the air conditioner at present, the state performance and the safety performance of the heating tube need to be detected simultaneously. However, due to the particularity of the structural design of the air conditioner, the interface of the electric heating pipeline faces to the side of the flowing water at the bottom of the air conditioner, so that an electrical safety post worker is inconvenient to operate during detection, and can not determine whether the air conditioner is connected with the heating pipe or not in the detection process, so that the heating pipe which is not detected flows into the subsequent process in the detection process of the electric heating pipeline in the air conditioner, and the detection result error of the heating pipe is large.
Disclosure of Invention
The heating pipe testing system comprises an air conditioner, a heating pipe, a detection device and a control device, wherein the detection device is used for detecting the heating pipe, and the detection device is used for detecting the heating pipe.
In a first aspect, the present application provides an electrical heating tube testing system, the system comprising:
the first control board is used for sending an instruction for starting the electric heating pipe;
the second control board is connected with the first control board and used for receiving the command sent by the first control board for opening the electric heating pipe and controlling the electric heating pipe to be opened according to the control command;
the first testing device is connected with the first control board and used for collecting state parameters of the electric heating pipe in an opening state and transmitting the collected state parameters to the upper computer;
the upper computer is connected with the first testing device and used for generating a testing instruction and sending the testing instruction to the first control board so that the first control board sends an instruction for opening the electric heating pipe and receives the state parameters transmitted by the first testing device, and when the state parameters are not matched with the preset state parameters, the abnormal state instruction of the electric heating pipe is generated.
According to the embodiment of the application, optionally, in the electric heating pipe test system, the upper computer is further configured to generate a normal state instruction of the electric heating pipe when the state parameter is matched with the preset state parameter.
According to an embodiment of the present application, optionally, the electric heating tube testing system further includes:
the second testing device is connected with the upper computer and used for collecting the safety parameters of the electric heating pipe and transmitting the collected safety parameters to the upper computer;
and the upper computer is used for generating an instruction for controlling the second testing device to collect the safety parameters of the electric heating pipe when the state parameters are matched with the preset state parameters, receiving the safety parameters transmitted by the second testing device, and generating an instruction for abnormity of the safety performance of the electric heating pipe when the safety parameters are not matched with the preset safety parameters.
According to the embodiment of the application, optionally, in the electric heating pipe test system, the upper computer is further configured to generate an instruction that the safety performance of the electric heating pipe is normal when the safety parameter is matched with the preset safety parameter.
According to an embodiment of the application, optionally, in the above electric heating tube testing system, the first testing device includes:
the state parameter acquisition device is used for acquiring state parameters of the electric heating pipe in an opening state and transmitting the state parameters to the controller;
and the controller is connected with the state parameter acquisition device and the upper computer and is used for receiving the state parameters acquired by the state parameter acquisition device and transmitting the state parameters to the upper computer.
According to an embodiment of the application, optionally, in the above electric heating tube testing system, the state parameter collecting device at least includes one of a voltage sensor, a current sensor and a power sensor.
According to an embodiment of the application, optionally, in the electric heating pipe testing system, the second testing device is connected with the upper computer through an RS 232-to-485 serial port.
According to an embodiment of the application, optionally, the electric heating pipe testing system further includes a display, and the display is connected with the upper computer and used for displaying the instruction, generated by the upper computer, of the abnormal state of the electric heating pipe.
According to an embodiment of the application, optionally, the electric heating pipe testing system further comprises an alarm device, wherein the alarm device is connected with the upper computer and used for giving an alarm when the electric heating pipe generated by the upper computer is in an abnormal state.
In a second aspect, the present application provides an air conditioner, including the above electric heating tube testing system.
The application provides a pair of electric heating pipe test system, this application intersects in prior art's beneficial effect and includes:
1. when the electric heating pipe of the air conditioner indoor unit is not connected with the air conditioner indoor unit, the electric heating pipe can be detected, and an alarm is given according to a detection result;
2. the state performance and the safety performance of the electric heating pipe are automatically detected, so that detection errors caused by manual detection are avoided, and the detection efficiency and the reliability of a detection result are improved;
3. the detection result is visually displayed, and when unqualified or failed electric heating pipes appear, a worker can quickly and accurately obtain the specific information of the electric heating pipes;
4. the detection of the state performance and the safety performance of the electric heating pipe can be realized simultaneously, and the detection result is reliable.
Drawings
The present application will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings:
fig. 1 is a schematic view of an electrical heating tube testing system according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of an electrical heating tube testing system according to an embodiment of the present application.
In the drawings, like parts are designated with like reference numerals, and the drawings are not drawn to scale.
Detailed Description
The following detailed description will be provided with reference to the accompanying drawings and embodiments, so that how to apply the technical means to solve the technical problems and achieve the corresponding technical effects can be fully understood and implemented. The embodiments and various features in the embodiments of the present application can be combined with each other without conflict, and the formed technical solutions are all within the scope of protection of the present application.
The application provides an electric heating pipe test system, has solved among the correlation technique heating tube and has not detected the great technical problem of flow in next process, detection result error to the heating tube.
Example one
Fig. 1 is a schematic view of an electrical heating tube testing system provided in an embodiment of the present application, and as shown in fig. 1, the system includes:
the first control board is used for sending an instruction for starting the electric heating pipe;
the second control board is connected with the first control board and used for receiving the command sent by the first control board for opening the electric heating pipe and controlling the electric heating pipe to be opened according to the control command;
the first testing device is connected with the first control board and used for collecting state parameters of the electric heating pipe in an opening state and transmitting the collected state parameters to the upper computer;
the upper computer is connected with the first testing device and used for generating a testing instruction and sending the testing instruction to the first control board so that the first control board sends an instruction for opening the electric heating pipe and receives the state parameters transmitted by the first testing device, and when the state parameters are not matched with the preset state parameters, the abnormal state instruction of the electric heating pipe is generated.
In this embodiment, the first control board is an internal machine control board, the second control board is an electric heating tube control test board, and the first test device is a test control box.
Specifically, the upper computer generates a test instruction, and sends the test instruction to the inner machine control board, and the inner machine control board sends an instruction for starting the electric heating pipe according to the test instruction; the electric heating pipe control test board is connected with the indoor unit control board, receives a control instruction for opening the electric heating pipe sent by the indoor unit control board, and controls the electric heating pipe to be opened according to the control instruction; the test control box is respectively connected with the internal machine control panel and the upper computer, the test control box collects the state parameters of the electric heating pipe in an opening state and transmits the state parameters to the upper computer, and the upper computer receives the state parameters collected by the test control box and generates an abnormal instruction of the state of the electric heating pipe when the state parameters are not matched with the preset state parameters.
Wherein, the host computer controls the I \ O control panel to electrify the electric heating pipe and supply power when the electric heating pipe is started.
Specifically, the state parameters include current, voltage, power and the like of the electric heating pipe, and whether the current is within a preset current range, whether the voltage is within a preset voltage range, and whether the power is within a preset power range are respectively judged to achieve matching between the state parameters and the preset state parameters.
The preset current range, the preset voltage range and the preset power range can be preset according to the working state of the electric heating pipe. In the embodiment, the predetermined current range includes 3A to 5A, and the predetermined voltage range includes 198 to 230V and the predetermined power range includes 1000W to 1500W.
Further, the upper computer is further used for generating a normal state instruction of the electric heating pipe when the state parameter is matched with a preset state parameter.
It can be understood that when the upper computer generates the command that the state of the electric heating pipe is abnormal, it indicates that the current electric heating pipe may have abnormal working conditions such as missing insertion or faults, and the test system according to the embodiment can automatically detect the abnormal working conditions of the electric heating pipe, thereby avoiding that the electric heating pipe flows into the subsequent process without detection or that a large error exists in the result of artificially detecting the electric heating pipe.
Specifically, after the upper computer tests the state parameters of the electric heating tube to be qualified, an instruction that the state of the electric heating tube is normal is generated, which indicates that the electric heating tube can work normally, and the next test is performed.
Further, on the basis of confirming that electric heating pipe can normally work, in order to guarantee the validity of subsequent process, can also further confirm whether electric heating pipe's security performance can reach the requirement to make can normally work and the up-to-standard product of security performance flow in subsequent process, consequently, this system still includes: the second testing device is connected with the upper computer and used for collecting the safety parameters of the electric heating pipe and transmitting the collected safety parameters to the upper computer;
and the upper computer is used for generating an instruction for controlling the second testing device to collect the safety parameters of the electric heating pipe when the state parameters are matched with the preset state parameters, receiving the safety parameters transmitted by the second testing device, and generating an instruction for abnormity of the safety performance of the electric heating pipe when the safety parameters are not matched with the preset safety parameters.
Specifically, in this embodiment, the second testing device is an electrical safety tester.
Specifically, the electrical safety tester is connected with the upper computer, and the upper computer generates the security parameter for controlling the electrical safety tester to acquire the electric heating pipe when the state parameter is matched with the preset parameter, and generates the abnormal command of the safety performance of the electric heating pipe when the security parameter is not matched with the preset security parameter.
The upper computer controls the I \ O control board to send a safety parameter acquisition instruction to the electrical safety tester.
Specifically, the safety parameters include an insulation resistance value, a leakage current parameter, a grounding safety parameter and the like of the electric heating pipe, whether the insulation resistance value is within a preset resistance value range, whether the leakage current parameter is within a preset leakage current range, and whether the grounding safety parameter is within a preset safety parameter range are respectively judged, and the matching of the safety parameters and the preset safety parameters is realized.
The preset resistance value range, the preset leakage current range and the preset safety parameter range can be preset according to the working state of the electric heating pipe.
Wherein, the preset resistance value range includes: 100K omega; +/-10%, namely 90-110K omega, 1 s;
the preset leakage current range includes: 25A is less than or equal to 0.1 omega for 1 s;
the preset safety parameter ranges include: 500V, not less than 2M omega, 1 s.
Further, the upper computer is further used for generating an instruction that the safety performance of the electric heating pipe is normal when the safety parameters are matched with preset safety parameters.
Specifically, after the upper computer detects the safety parameters of the electric heating pipe to be qualified, an instruction with normal safety performance of the electric heating pipe is generated, and the flow line PLC system controls the flow line to start operation according to the instruction with normal safety performance.
Further, the first testing device includes: the state parameter acquisition device is used for acquiring state parameters of the electric heating pipe in an opening state and transmitting the state parameters to the controller;
and the controller is connected with the state parameter acquisition device and the upper computer and is used for receiving the state parameters acquired by the state parameter acquisition device and transmitting the state parameters to the upper computer.
Further, the state parameter collecting device at least comprises one of a voltage sensor, a current sensor and a power sensor.
Specifically, the voltage sensor acquires the voltage of the electric heating tube, the current sensor acquires the current of the electric heating tube, and the power sensor acquires the power of the electric heating tube.
The controller can be a microcontroller MCU, and the test control box (first test device) comprises the microcontroller MCU, a current sensor, a voltage sensor, a power sensor, an AD analog quantity acquisition module, an I/O port and the like, and is mainly responsible for current, voltage, power and an I/O port signal algorithm and sending a signal processing result to the upper computer for judgment.
Further, the second testing device is connected with the upper computer through an RS 232-485 serial port.
Further, the system further comprises a display, wherein the display is connected with the upper computer and used for displaying the command of the abnormal state of the electric heating pipe generated by the upper computer.
Specifically, the display not only can display the abnormal state instruction of the electric heating pipe generated by the upper computer, but also can display the normal state instruction of the electric heating pipe, the abnormal safety performance instruction of the electric heating pipe and the normal safety performance instruction of the electric heating pipe, and display the state information and the safety information of the electric heating pipe according to the instruction generated by the upper computer, so that a worker can obtain the state information whether the electric heating pipe is abnormal or not in real time.
Further, the system further comprises an alarm device, wherein the alarm device is connected with the upper computer and used for giving an alarm when the state of the electric heating pipe generated by the upper computer is abnormal.
Specifically, the alarm device gives an alarm according to an abnormal command of the electric heating pipe sent by the upper computer so as to warn a worker that the electric heating pipe is abnormal. The alarm device may be an indicator light or a buzzer, and is not limited herein.
For example, fig. 2 is a schematic structural diagram of an electric heating tube testing system provided in an embodiment of the present application, and as shown in fig. 2, an upper computer communicates with a microcontroller MCU in a test control box through a USB connection line; the microcontroller MCU is communicated with the internal machine control panel through a test connecting wire; the microcontroller MCU is communicated with the electric heating pipe control test board through a signal connecting wire; the electronic expansion valve control output port of the inner control board is communicated with the electric heating pipe control test board;
the upper computer generates a test instruction, the test instruction is sent to the inner machine control board, and the inner machine control board sends an instruction for starting the electric heating pipe according to the test instruction; the electric heating tube control test board receives a control instruction for opening the electric heating tube sent by the internal machine control board and controls the electric heating tube to be opened according to the control instruction; a sensor in the test control box acquires state parameters of the electric heating pipe in an open state, the state parameters are transmitted to an upper computer through a microcontroller MCU in the test control box, the upper computer receives the state parameters uploaded by the microcontroller MCU, and when the state parameters are not matched with preset state parameters, an instruction of abnormal state of the electric heating pipe is generated;
when the state parameters are matched with the preset parameters, the upper computer generates an instruction for controlling the electrical safety tester to acquire the safety parameters of the electric heating tube, the electrical safety tester is in butt joint with the control panel of the whole air conditioner, the control panel of the whole air conditioner acts to forcibly start the corresponding load function of the air conditioner, the grounding port of the electrical safety tester is in butt joint with the shell of the whole air conditioner, and after the butt joint is completed, the electrical safety tester starts to act to detect the parameters of the insulation resistance value, leakage, grounding safety and the like of the electric heating tube. The electric safety tester acquires the safety parameters of the electric heating pipe and uploads the safety parameters to the upper computer, and the upper computer receives the safety parameters uploaded by the electric safety tester and generates an abnormal safety performance instruction of the electric heating pipe when the safety parameters are not matched with the preset safety parameters.
The upper computer is also communicated with the electrical security check tester through an RS 232-485 serial port, the electrical security check tester sends the OK/NG instruction generated by the upper computer to the electrical heating pipe control test board so as to control the electrical heating pipe to directly flow into the next working line according to the OK instruction, and the electrical heating pipe realizes offline processing according to the NG instruction.
The upper computer is further connected with a display, and the display displays the command of the abnormal state of the electric heating pipe generated by the upper computer.
The application provides an electric heating pipe test system, includes: the first control board is used for sending an instruction for starting the electric heating pipe; the second control board is connected with the first control board and used for receiving the command sent by the first control board for opening the electric heating pipe and controlling the electric heating pipe to be opened according to the control command; the first testing device is connected with the first control board and used for collecting state parameters of the electric heating pipe in an opening state and transmitting the collected state parameters to the upper computer; the upper computer is connected with the first testing device and used for generating a testing instruction and sending the testing instruction to the first control board so that the first control board sends an instruction for opening the electric heating pipe and receives the state parameters transmitted by the first testing device, and when the state parameters are not matched with the preset state parameters, the abnormal state instruction of the electric heating pipe is generated. The system can detect the electric heating pipe when the electric heating pipe of the air conditioner indoor unit is not connected with the air conditioner indoor unit, and alarm according to the detection result; the state performance and the safety performance of the electric heating pipe are automatically detected, so that detection errors caused by manual detection are avoided, and the detection efficiency and the reliability of a detection result are improved; the detection on the state performance and the safety performance of the electric heating pipe can be realized at the same time, and the detection result is reliable; and the detection result is visually displayed, and when an unqualified or failed electric heating pipe appears, a worker can quickly and accurately obtain the specific information of the electric heating pipe.
Example two
The embodiment provides an air conditioner, which comprises the electric heating pipe testing system in the first embodiment.
The air conditioner can test the state performance and the safety performance of the electric heating pipe in the air conditioner through the electric heating pipe test system.
Taking an air conditioner as a cylindrical cabinet machine as an example, because of the structural design of the whole machine of the cylindrical cabinet machine, the interface of an electric heating pipeline faces one side of the bottom of the whole machine towards a production line, the operation of an electric safety post inspector is inconvenient, the condition that terminals are not inserted in place exists in the operation process, after the test of an electric heating pipe test system, the state of the electric heating pipe can be ensured to be measurable, and before the air conditioner flows into the next process of the production line, the electric heating pipe can be ensured to work normally and the safety performance is qualified, so that the qualification rate of the air conditioner flowing into the next process is ensured.
For a specific test process, refer to the first embodiment, which is not repeated here.
In summary, the present application provides an electric heating tube test system, which includes: obtaining a first control board for sending an instruction for starting the electric heating pipe; the second control board is connected with the first control board and used for receiving the command sent by the first control board for opening the electric heating pipe and controlling the electric heating pipe to be opened according to the control command; the first testing device is connected with the first control board and used for collecting state parameters of the electric heating pipe in an opening state and transmitting the collected state parameters to the upper computer; the upper computer is connected with the first testing device and used for generating a testing instruction and sending the testing instruction to the first control board so that the first control board sends an instruction for opening the electric heating pipe and receives the state parameters transmitted by the first testing device, and when the state parameters are not matched with the preset state parameters, the abnormal state instruction of the electric heating pipe is generated.
The electric heating pipe testing system can detect the electric heating pipe when the electric heating pipe of the air conditioner indoor unit is not connected with the air conditioner indoor unit, and alarm according to a detection result; the state performance and the safety performance of the electric heating pipe are automatically detected, so that detection errors caused by manual detection are avoided, and the detection efficiency and the reliability of a detection result are improved; the detection on the state performance and the safety performance of the electric heating pipe can be realized at the same time, and the detection result is reliable; the detection result is visually displayed, when the unqualified or failed electric heating pipe appears, a worker can quickly and accurately obtain the specific information of the electric heating pipe, and the technical problems that the heating pipe flows into a next procedure without detection and the detection result of the heating pipe has a large error in the related technology are solved.
In the embodiments provided in the present application, it should be understood that the disclosed system can be implemented in other ways. The system embodiments described above are merely illustrative.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, article, or apparatus that comprises the element.
Although the embodiments disclosed in the present application are described above, the above descriptions are only for the convenience of understanding the present application, and are not intended to limit the present application. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the disclosure as defined by the appended claims.

Claims (10)

1. An electric heating tube testing system, characterized in that the system comprises:
the first control board is used for sending an instruction for starting the electric heating pipe;
the second control board is connected with the first control board and used for receiving the command sent by the first control board for opening the electric heating pipe and controlling the electric heating pipe to be opened according to the control command;
the first testing device is connected with the first control board and used for collecting state parameters of the electric heating pipe in an opening state and transmitting the collected state parameters to the upper computer;
the upper computer is connected with the first testing device and used for generating a testing instruction and sending the testing instruction to the first control board so that the first control board sends an instruction for opening the electric heating pipe and receives the state parameters transmitted by the first testing device, and when the state parameters are not matched with the preset state parameters, the abnormal state instruction of the electric heating pipe is generated.
2. The system of claim 1, wherein the upper computer is further configured to generate an instruction that the state of the electric heating tube is normal when the state parameter matches a preset state parameter.
3. The system of claim 1, further comprising:
the second testing device is connected with the upper computer and used for collecting the safety parameters of the electric heating pipe and transmitting the collected safety parameters to the upper computer;
and the upper computer is used for generating an instruction for controlling the second testing device to collect the safety parameters of the electric heating pipe when the state parameters are matched with the preset state parameters, receiving the safety parameters transmitted by the second testing device, and generating an instruction for abnormity of the safety performance of the electric heating pipe when the safety parameters are not matched with the preset safety parameters.
4. The system of claim 3, wherein the upper computer is further configured to generate an instruction that the safety performance of the electric heating pipe is normal when the safety parameter matches a preset safety parameter.
5. The system of claim 1, wherein the first testing device comprises:
the state parameter acquisition device is used for acquiring state parameters of the electric heating pipe in an opening state and transmitting the state parameters to the controller;
and the controller is connected with the state parameter acquisition device and the upper computer and is used for receiving the state parameters acquired by the state parameter acquisition device and transmitting the state parameters to the upper computer.
6. The system of claim 5, wherein the state parameter acquisition device comprises at least one of a voltage sensor, a current sensor, and a power sensor.
7. The system of claim 3, wherein the second testing device is connected with the upper computer through an RS232 to 485 serial port.
8. The system of claim 1, further comprising a display connected to the upper computer for displaying the command generated by the upper computer indicating the abnormal status of the electric heating pipe.
9. The system according to claim 1, further comprising an alarm device, wherein the alarm device is connected to the upper computer and is used for giving an alarm when the state of the electric heating pipe generated by the upper computer is abnormal.
10. An air conditioner characterized by comprising the electric heating tube testing system of any one of claims 1 to 9.
CN202021335381.6U 2020-07-08 2020-07-08 Electric heating pipe test system and air conditioner Active CN212622869U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021335381.6U CN212622869U (en) 2020-07-08 2020-07-08 Electric heating pipe test system and air conditioner

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Application Number Priority Date Filing Date Title
CN202021335381.6U CN212622869U (en) 2020-07-08 2020-07-08 Electric heating pipe test system and air conditioner

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CN212622869U true CN212622869U (en) 2021-02-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113625095A (en) * 2021-08-30 2021-11-09 宁波奥克斯电气股份有限公司 Automatic testing system and testing method for auxiliary electric heating power of air conditioner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113625095A (en) * 2021-08-30 2021-11-09 宁波奥克斯电气股份有限公司 Automatic testing system and testing method for auxiliary electric heating power of air conditioner

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