CN109696628B - Fault detection tool and fault detection method for air conditioner compressor - Google Patents
Fault detection tool and fault detection method for air conditioner compressor Download PDFInfo
- Publication number
- CN109696628B CN109696628B CN201811476934.7A CN201811476934A CN109696628B CN 109696628 B CN109696628 B CN 109696628B CN 201811476934 A CN201811476934 A CN 201811476934A CN 109696628 B CN109696628 B CN 109696628B
- Authority
- CN
- China
- Prior art keywords
- compressor
- module
- fault detection
- air conditioner
- current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
Abstract
The invention provides a fault detection tool for an air conditioner compressor, which is characterized by comprising the following components: the detection module is connected to the air-conditioning compressor, comprises a current/voltage value detection module, a current/voltage waveform detection module and a resistance value detection module and is used for acquiring detection data; the main control module is connected to the detection module and used for diagnosing the faults of the compressor by combining design data of the air conditioner and the compressor and the detection data and outputting the detection data and a diagnosis result; and the data input/output module is connected to the main control module and is used for reading the design data of the air conditioner and the compressor and outputting the detection data and the diagnosis result. The fault detection tool for the air conditioner compressor integrates the functions of compressor motor winding resistance value measurement, current/voltage detection and current/voltage waveform detection, can detect electrical parameters when the compressor runs, and realizes live detection.
Description
Technical Field
The invention relates to the technical field of fault detection of air condition compressors, in particular to a fault detection tool and a fault detection method for an air condition compressor.
Background
The detection of current air condition compressor has the difficulty, when the air conditioner that has installed in the user room breaks down, because the compressor trouble is difficult to detect, and the maintainer often does not pass through little fine detection analysis, just directly changes the compressor, leads to good compressor directly to be changed sometimes, causes the waste. Because there is no special compressor detection tool at present, maintenance personnel usually need to carry equipment such as resistance measuring instruments, current/voltage value measuring instruments, oscilloscopes, etc., which is very inconvenient, and the existing detection mode needs the air condition compressor to be stopped for detection, and needs to input a test signal to the compressor to be detected.
Disclosure of Invention
In view of this, the present invention aims to provide a fault detection tool for an air conditioner compressor, so as to implement online fault detection of the compressor.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the utility model provides a fault detection frock for air condition compressor, fault detection frock includes:
the detection module is connected to the air-conditioning compressor, comprises a current/voltage value detection module, a current/voltage waveform detection module and a resistance value detection module and is used for acquiring detection data;
the main control module is connected to the detection module and used for diagnosing faults of the compressor by combining design data of the air conditioner and the compressor and the detection data and outputting the detection data and a diagnosis result;
and the data input/output module is connected to the main control module and is used for reading the design data of the air conditioner and the compressor and outputting the detection data and the diagnosis result.
Further, in the detection module, the resistance value detection module is used for measuring the resistance value of the compressor motor winding, wherein the resistance value is used for judging whether the compressor motor winding has a short circuit or an open circuit;
the current/voltage value detection module is used for detecting current and/or voltage values on a motor winding of the compressor, wherein the current and/or voltage values are used for judging whether impurities exist in the compressor or not or whether cylinder leakage exists in the compressor or not.
The current/voltage waveform detection module is used for detecting the current and/or voltage waveform of the compressor motor winding, wherein the current and/or voltage waveform is used for judging whether the air conditioner control circuit is abnormal or not.
Further, the data input/output module comprises at least one of a serial communication module, a wireless network communication module or a bluetooth communication module.
Further, the fault detection tool further comprises a data storage module, wherein the data storage module is used for storing the detected data and the diagnosis result; or
The fault detection tool is connected with an external data storage unit through the data input/output module.
Further, the fault detection tool further comprises a display function module for displaying the detection data and the diagnosis result; alternatively, the first and second electrodes may be,
the fault detection tool further comprises a display communication interface which is used for connecting an external display and displaying a result.
Further, the fault detection tool further comprises a power supply circuit, wherein the power supply circuit is connected with a power supply and connected to the detection module, the air conditioner controller and the air conditioner compressor, and is used for supplying power to the detection module, the air conditioner controller and the air conditioner compressor.
Further, the fault detection tool comprises a power supply interface for supplying power through an external power supply, wherein,
the power supply interface comprises a voltage conversion device which is used for converting commercial power into the direct current working voltage of the fault detection; alternatively, the first and second liquid crystal display panels may be,
the external power supply is a power supply module of the air conditioner controller, and the power supply interface is used for being connected to the power supply module of the air conditioner controller.
Compared with the prior art, the fault detection tool for the air conditioner compressor has the following advantages:
the fault detection tool for the air conditioner compressor integrates the functions of measuring the resistance value of the motor winding of the compressor, detecting the current/voltage and detecting the current/voltage waveform, can realize fault diagnosis of the compressor, can detect electrical parameters when the compressor runs, and realizes the function of live detection.
The invention also aims to provide a fault detection method for the air conditioner compressor, so as to realize online fault detection of the compressor.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a fault detection method for an air conditioner compressor adopts the fault detection tool, and comprises the following steps:
s1, detecting the resistance value of the motor winding when the compressor runs, if the resistance value is many times larger than the normal value or infinite, judging that the compressor motor is burnt out, and the winding is broken; if the resistance value is smaller than the normal value or is zero, judging that the motor winding of the compressor is in short circuit;
s2, detecting the current value of the motor winding when the internal compressor is running, or detecting the voltage value to obtain the current value, if the current value of the motor winding is increased, judging that impurities exist in the compressor, and causing the torque to be increased; if the current value of the motor winding is reduced, judging that the compressor cylinder has leakage;
and S3, detecting the current waveform and/or the voltage waveform of the motor winding when the internal compressor is operated, and judging that the air conditioner control circuit is abnormal if the current waveform and/or the voltage waveform are abnormal.
Further, before the step S1, the method further includes the steps of:
and S0, electrically connecting the motor winding of the compressor in the running state with the fault detection tool.
Compared with the prior art, the fault detection method for the air conditioner compressor has the same advantages as the fault detection tool for the air conditioner compressor, and the detailed description is omitted.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation of the invention. In the drawings:
fig. 1 is a schematic interface diagram of a fault detection tool for an air conditioner compressor according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a fault detection tool for an air conditioner compressor according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a fault detection tool for an air conditioner compressor according to another embodiment of the present invention.
Fig. 4 is a flowchart of a fault detection method for an air conditioner compressor according to an embodiment of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In one exemplary embodiment of the invention, a fault detection tool for an air conditioner compressor is provided. Fig. 2 is a schematic interface diagram of a fault detection tool for an air conditioner compressor according to an embodiment of the present invention, and as shown in fig. 1, the compressor detection tool of the present invention has two connection lines, one of which is connected to an air conditioner controller and the other of which is connected to the air conditioner compressor, so as to obtain an electrical parameter of the air conditioner compressor during operation. In addition, optionally, the tool is provided with a power supply connecting wire for supplying power to the tool; one or several data interfaces are provided, which can exchange data with external devices.
Fig. 2 is a schematic structural diagram of a fault detection tool for an air conditioner compressor according to an embodiment of the present invention. As shown in fig. 2, the fault detection tool for the air conditioner compressor of the present embodiment includes: the device comprises a detection module, a main control module, a data input/output module, a data storage module, a display function module and a power supply circuit.
The detection module is connected to the main control module, the main control module is connected with the data storage module, the data input/output module and the display function module, the power supply circuit is connected with the power supply and supplies power to the detection module, and meanwhile, the power supply circuit is further connected to the air conditioner controller and the air conditioner compressor and used for supplying power to the air conditioner controller and the air conditioner compressor.
Wherein the detection module includes: the current/voltage value detection module, the current/voltage waveform detection module and the resistance value detection module are respectively used for detecting the current/voltage value of the compressor, the current/voltage waveform and the resistance value of the motor winding and inputting data into the main control module.
The main control module has data processing and calculating functions, can read design data of the air conditioner and the compressor from the data storage module and the data input/output module, diagnoses basic faults by combining detection data, and outputs the data and diagnosis results to the data storage module, the data input/output module and the display function module.
The data storage module is used for storing the detected data and the diagnosis result; the data input/output module is used for outputting data and diagnosis results, and is also used for receiving external data and transmitting the external data to the main control module. The data input/output module can be connected with external equipment through a cable, one end of the connecting wire is connected with a data interface of the fault detection tool data input/output module, and the other end of the connecting wire is connected with the external equipment. The fault detection tool can also be connected with external equipment through a wireless network and Bluetooth.
The display function module is used for displaying data and a diagnosis result in real time, and maintenance personnel can directly read the parameters of the compressor from the tool, so that the fault type can be judged more accurately.
When the air conditioner compressor fails, the following situations are generally available:
1. the motor of the compressor is burnt out, the winding is broken, and the resistance value is many times larger than the normal value or infinite;
2. the motor winding of the compressor is short-circuited, and the resistance value is smaller than a normal value or zero;
3. impurities exist in the compressor, so that the torque is increased, and the motor current is increased;
4. the leakage of the compressor cylinder can not normally compress the refrigerant, and the current of the motor is reduced;
5. the abnormality of the control circuit of the air conditioner causes the abnormality of the current waveform of the compressor.
Therefore, the detection tool integrates the function of measuring the resistance value of the motor winding of the compressor, the function of detecting current/voltage and the function of detecting current/voltage waveform, and realizes the function of basic fault diagnosis.
Specifically, the resistance value detection module in the detection module is configured to implement a resistance value measurement function, and is configured to determine the condition 1: if the resistance value is many times larger than the normal value or infinite, the main control module judges that the compressor motor is burnt out and the winding is broken; and case 2: if the resistance value is smaller than the normal value or is zero, the main control module judges that the motor winding of the compressor is in short circuit.
The current/voltage value detection module in the detection module is used for realizing a current/voltage value detection function and judging the situations 3 and 4: if the current of the motor is increased, the main control module judges that impurities exist in the compressor, so that the torque is increased; if the current of the motor is reduced, the main control module judges that the air cylinder of the compressor leaks and the refrigerant cannot be normally compressed.
The current/voltage waveform detection module in the detection module is configured to implement a current/voltage value detection function, and is configured to determine the case of the above-mentioned type 5: if the current waveform of the compressor is abnormal, the main control module judges that the air conditioner control circuit is abnormal.
In another exemplary embodiment of the present invention, a fault detection tool for an air conditioner compressor is provided. Fig. 3 is a schematic structural diagram of a fault detection tool for an air conditioner compressor according to another embodiment of the present invention. As shown in fig. 3, the fault detection tool for the air conditioner compressor of the present embodiment includes: the device comprises a detection module, a main control module and a data input/output module.
The detection module is connected to the main control module and the air conditioner compressor, and the main control module is connected with the data input/output module.
Wherein the detection module includes: the current/voltage value detection module, the current/voltage waveform detection module and the resistance value detection module are respectively used for detecting the current/voltage value of the compressor, the current/voltage waveform and the resistance value of the motor winding and inputting data into the main control module.
The main control module has data processing and calculating functions, can read design data of the air conditioner and the compressor from the data storage module and the data input/output module, diagnoses basic faults by combining detection data, and outputs the data and diagnosis results to the data storage module, the data input/output module and the display function module.
The data input/output module may include a serial communication module, a wireless network communication module, or a bluetooth communication module, such as a USB transmission module, or a Zigbee module. In one embodiment, when the compressor is detected, the external data storage unit performs data transmission with the main control module through the data input/output module. In other embodiments, the main control module may further perform data transmission and display with the intelligent terminal through the data input/output module, and further, the intelligent terminal may further provide a data storage function for storing the detected data and the diagnosis result. The intelligent terminal comprises an intelligent mobile phone, a tablet computer and the like.
Further optionally, the fault detection tool may further include a display communication interface for connecting an external display to display a result.
Further optionally, the fault detection tool is provided with a power supply interface, and power is supplied through an external power supply. In an embodiment, the external power source is a commercial power, and the power supply interface includes a voltage conversion device for converting the commercial power into the dc working voltage for the fault detection. In other embodiments, the external power source is a power supply module of an air conditioner controller, and the power supply interface is configured to be connected to the power supply module of the air conditioner controller.
In another exemplary embodiment of the present invention, a fault detection method for an air conditioner compressor is provided. Fig. 4 is a flowchart of a fault detection method for an air conditioner compressor according to an embodiment of the present invention. As shown in fig. 4, the fault detection method for an air conditioner compressor includes:
s1, detecting the resistance value of the motor winding when the compressor runs, if the resistance value is many times larger than the normal value or infinite, judging that the compressor motor is burnt out, and the winding is broken; if the resistance value is smaller than the normal value or is zero, judging that the motor winding of the compressor is in short circuit;
s2, detecting the current value of the motor winding when the internal compressor is running, or detecting the voltage value and obtaining the current value, if the current value of the motor winding is larger than the design reference value of the compressor, judging that impurities exist in the compressor, and causing the torque to be larger; if the current value of the motor winding is smaller than the design reference value of the compressor, judging that the compressor cylinder has leakage and can not normally compress the refrigerant;
and S3, detecting the current waveform and/or the voltage waveform of the motor winding when the internal compressor is operated, and judging that the air conditioner control circuit is abnormal if the current waveform and/or the voltage waveform are abnormal.
Before the step S1, the method further includes the steps of:
and S0, electrically connecting the motor winding of the compressor in the running state with the fault detection tool.
For the purpose of brevity, any technical features that can be applied to the same embodiment are described herein, and the same description need not be repeated.
The fault detection tool and the fault detection method for the air-conditioning compressor integrate the basic fault detection functions of the resistance value measurement function, the current/voltage detection function and the current/voltage waveform detection function of the motor winding of the compressor, so that maintenance personnel can directly obtain the parameters of the compressor on line and judge the fault type more accurately.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (8)
1. The utility model provides a fault detection frock for air condition compressor which characterized in that, fault detection frock includes:
the detection module is connected to the air-conditioning compressor, comprises a current/voltage value detection module, a current/voltage waveform detection module and a resistance value detection module and is used for acquiring detection data; the resistance value detection module is used for measuring the resistance value of the compressor motor winding, wherein the resistance value is used for judging whether the compressor motor winding has short circuit or open circuit; the current/voltage value detection module is used for detecting current and/or voltage values on a motor winding of the compressor, wherein the current and/or voltage values are used for judging whether impurities exist in the compressor or cylinder leakage exists; the current/voltage waveform detection module is used for detecting the current and/or voltage waveform of a compressor motor winding, wherein the current and/or voltage waveform is used for judging whether an air conditioner control circuit is abnormal or not;
the main control module is connected to the detection module and used for diagnosing the faults of the compressor by combining design data of the air conditioner and the compressor and the detection data and outputting the detection data and a diagnosis result;
and the data input/output module is connected to the main control module and is used for reading the design data of the air conditioner and the compressor and outputting the detection data and the diagnosis result.
2. The fault detection tool of claim 1, wherein the data input/output module comprises at least one of a serial communication module, a wireless network communication module, or a Bluetooth communication module.
3. The fault detection tool of claim 1,
the fault detection tool further comprises a data storage module, and the data storage module is used for storing detected data and diagnosis results; or
The fault detection tool is connected with an external data storage unit through the data input/output module.
4. The fault detection tool of claim 1,
the fault detection tool further comprises a display function module which is used for displaying the detection data and the diagnosis result; alternatively, the first and second electrodes may be,
the fault detection tool further comprises a display communication interface which is used for connecting an external display and displaying a result.
5. The fault detection tool according to claim 1, further comprising a power supply circuit, wherein the power supply circuit is connected to a power supply, the detection module, the air conditioner controller and the air conditioner compressor, and is used for supplying power to the detection module, the air conditioner controller and the air conditioner compressor.
6. The fault detection tool of claim 1, wherein the fault detection tool comprises a power supply interface for supplying power from an external power source,
the power supply interface comprises a voltage conversion device which is used for converting commercial power into the direct current working voltage of the fault detection; alternatively, the first and second liquid crystal display panels may be,
the external power supply is a power supply module of the air conditioner controller, and the power supply interface is used for being connected to the power supply module of the air conditioner controller.
7. A fault detection method for an air conditioner compressor, which adopts the fault detection tool set forth in any one of claims 1 to 6, and is characterized in that the fault detection method for the air conditioner compressor comprises the following steps:
detecting the resistance value of a motor winding when the compressor runs, if the resistance value is many times larger than a normal value or infinite, judging that the motor of the compressor is burnt out, and the winding is broken; if the resistance value is smaller than the normal value or is zero, judging that the motor winding of the compressor is in short circuit;
detecting the current value of a motor winding when the internal compressor operates, or detecting a voltage value and obtaining the current value, and if the current value of the motor winding is increased, judging that impurities exist in the compressor, so that the torque is increased; if the current value of the motor winding is reduced, judging that the compressor cylinder has leakage;
and detecting the current waveform and/or the voltage waveform of the motor winding when the internal compressor operates, and if the current waveform and/or the voltage waveform are abnormal, judging that the air conditioner control circuit is abnormal.
8. The fault detection method of claim 7, further comprising, prior to performing the compressor test, the steps of:
and electrically connecting a motor winding of the compressor in the running state with the fault detection tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811476934.7A CN109696628B (en) | 2018-12-04 | 2018-12-04 | Fault detection tool and fault detection method for air conditioner compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811476934.7A CN109696628B (en) | 2018-12-04 | 2018-12-04 | Fault detection tool and fault detection method for air conditioner compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109696628A CN109696628A (en) | 2019-04-30 |
| CN109696628B true CN109696628B (en) | 2022-09-30 |
Family
ID=66230413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811476934.7A Active CN109696628B (en) | 2018-12-04 | 2018-12-04 | Fault detection tool and fault detection method for air conditioner compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109696628B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110987501B (en) * | 2019-12-18 | 2021-09-10 | 广东合立鼎峰科技有限公司 | Full-automatic online intelligent detection method for air conditioner |
| CN111765102B (en) * | 2020-05-26 | 2021-04-30 | 稳力(广东)科技有限公司 | Fault diagnosis and protection system of air compressor for fuel cell system |
| CN114076687A (en) * | 2020-08-18 | 2022-02-22 | 合肥通用制冷设备有限公司 | Air conditioner fault detection device and air conditioner fault detection equipment |
| CN113324776A (en) * | 2021-04-25 | 2021-08-31 | 安徽嘉乐斯乐净化工程有限公司 | Detection device and detection method for air conditioning unit |
| CN113757093B (en) * | 2021-10-14 | 2023-06-16 | 中国海洋石油集团有限公司 | Flash steam compressor unit fault diagnosis method |
| CN116224154B (en) * | 2023-03-02 | 2023-12-05 | 湖南贝特新能源科技有限公司 | Short circuit detection tool and detection method for compressor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062458A (en) * | 2010-11-29 | 2011-05-18 | 青岛海信日立空调系统有限公司 | Method for carrying out fault judgment and shutdown control on air conditioning compressor |
| CN105971867A (en) * | 2016-05-04 | 2016-09-28 | 珠海格力电器股份有限公司 | Detection method and device for fault of compressor |
| CN106121980A (en) * | 2016-06-29 | 2016-11-16 | 珠海格力电器股份有限公司 | Determination method, device and the refrigeration system of a kind of compressor extent of deterioration |
| CN108088051A (en) * | 2017-12-01 | 2018-05-29 | 芜湖美智空调设备有限公司 | Fault detection method, air conditioner and the storage medium of cooler compressor |
-
2018
- 2018-12-04 CN CN201811476934.7A patent/CN109696628B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062458A (en) * | 2010-11-29 | 2011-05-18 | 青岛海信日立空调系统有限公司 | Method for carrying out fault judgment and shutdown control on air conditioning compressor |
| CN105971867A (en) * | 2016-05-04 | 2016-09-28 | 珠海格力电器股份有限公司 | Detection method and device for fault of compressor |
| CN106121980A (en) * | 2016-06-29 | 2016-11-16 | 珠海格力电器股份有限公司 | Determination method, device and the refrigeration system of a kind of compressor extent of deterioration |
| CN108088051A (en) * | 2017-12-01 | 2018-05-29 | 芜湖美智空调设备有限公司 | Fault detection method, air conditioner and the storage medium of cooler compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109696628A (en) | 2019-04-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109696628B (en) | Fault detection tool and fault detection method for air conditioner compressor | |
| CN111459138B (en) | Turnout fault testing system | |
| CN103331506B (en) | Detection method for handheld terminal for detecting automatic welding equipment | |
| CN104407603A (en) | Method and device for self-diagnosing household appliances | |
| WO2017124701A1 (en) | Electric device, electric system and terminal device having fault monitoring function | |
| CN108594796A (en) | Entire car controller automatic testing equipment and method | |
| CN211206724U (en) | Relay tester | |
| CN112540224A (en) | Meter reading machine and detection method of ammeter data | |
| CN108444517B (en) | Portable multifunctional instrument test load test box and instrument detection method | |
| KR20180032373A (en) | Electric vehicle charger including diagnosis utility and control method thereof | |
| CN205374644U (en) | Diagnostic tool is restrainted to sensor and whole fare | |
| CN210323339U (en) | Secondary circuit tester | |
| CN112113308A (en) | Air conditioner indoor unit diagnosis system and diagnosis method | |
| CN214843978U (en) | Detection device | |
| CN210515633U (en) | Multifunctional portable relay protection test platform | |
| CN215932724U (en) | Display screen self-checking system and unmanned selling device | |
| CN110748498A (en) | EBM fan tester | |
| CN210345781U (en) | Air conditioner internal unit diagnosis system | |
| CN209821874U (en) | Production line body opens and stops data acquisition device and system | |
| CN104237807A (en) | Inverter system for monitoring state of storage battery and monitoring method | |
| CN111579896B (en) | Instrument integrated debugging and overhauling system and method | |
| CN217904548U (en) | Test tool | |
| CN215116573U (en) | Capacitor aging test system | |
| CN213813904U (en) | Handheld circuit on-off inspection tester | |
| CN214471391U (en) | High-precision temperature transmitter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |