CN112303701A - Constant-temperature heating system of heating wall-mounted furnace - Google Patents
Constant-temperature heating system of heating wall-mounted furnace Download PDFInfo
- Publication number
- CN112303701A CN112303701A CN202010464243.6A CN202010464243A CN112303701A CN 112303701 A CN112303701 A CN 112303701A CN 202010464243 A CN202010464243 A CN 202010464243A CN 112303701 A CN112303701 A CN 112303701A
- Authority
- CN
- China
- Prior art keywords
- water
- heating
- pipeline
- water outlet
- heat exchanger
- 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.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
- F24D15/02—Other domestic- or space-heating systems consisting of self-contained heating units, e.g. storage heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D17/00—Domestic hot-water supply systems
- F24D17/0026—Domestic hot-water supply systems with conventional heating means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/10—Arrangement or mounting of control or safety devices
- F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/12—Arrangements for connecting heaters to circulation pipes
- F24H9/13—Arrangements for connecting heaters to circulation pipes for water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/1836—Arrangement or mounting of combustion heating means, e.g. grates or burners using fluid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
Abstract
The invention discloses a constant-temperature heating system of a heating wall-mounted furnace, which comprises a controller, a water return module, a water outlet module and a water temperature control module, wherein the water return module is connected with the water temperature control module; the constant-temperature heating system of the heating wall-mounted furnace provides flowing power for water in the system through the water return module, the water temperature control module is used for controlling the temperature of the water, and the water outlet module provides hot water for a heating device and water for kitchens and bathrooms; during the working period of shower or heating, the system can feed the supplied heat and the consumed heat back to the controller in real time for operation, and then control the heating capacity of the heater, so that the water temperature in the system is comfortable and constant; the energy supply of the heater can feed according to needs, so that the water temperature in the system is controlled to reach a constant state, and the energy-saving effect can be achieved.
Description
Technical Field
The invention relates to the technical field of heating, in particular to a constant-temperature heating system of a heating wall-mounted furnace.
Background
At present, a common wall-mounted boiler only has a water outlet temperature sensor in a heating pipeline of heating water and domestic water; in a waterway system as a circulation, only given and without any information feedback of heat energy consumption of a user, the machine cannot enter an accurate heating mode. The constant temperature curve of the existing machine is very steep, the temperature comfort of heating and shower is poor, and the machine has the characteristics of fluctuating, and because the feedback data is not accurate enough, the machine also works in a fixed mode on firepower, and the machine also adopts a fixed mode on fuel consumption, so that the machine cannot be used as required.
Disclosure of Invention
The invention aims to provide a constant-temperature heating system of a wall-mounted heating furnace, which can accurately control water temperature.
In order to achieve the above purpose, the following scheme is provided: the utility model provides a heating hanging stove constant temperature heating system, includes the controller, still includes return water module, play water module and temperature control module, the return water module is connected with temperature control module, and temperature control module is connected with a water module, goes out the water module and is connected with the return water module, temperature control module includes expansion tank, heat exchanger and heater, temperature controller and the return water sensor, the heating that are connected with the controller electricity, return water sensor passes through the pipe connection with the end of intaking of heat exchanger, expansion tank and heat exchanger pass through the tube coupling, heat exchanger department is equipped with the heater, the heat exchanger passes through the pipe connection with the heating play water sensor, still be equipped with the temperature controller of being connected with the controller electricity on the connecting tube of heat exchanger and heating play water sensor.
Further, the water outlet module comprises a three-way valve, a plate heat exchanger, a bathroom water outlet pipeline, a heating water outlet pipeline and a heating device, the water inlet end of the three-way valve is connected with the heating water outlet sensor through a pipeline, the three-way valve is electrically connected with the controller, the water outlet end of the three-way valve is connected with the water inlet end of the plate heat exchanger through a pipeline, the plate heat exchanger is connected with the water return module through a pipeline, the water outlet end of the plate heat exchanger is connected with the bathroom water outlet pipeline, the other water outlet end of the three-way valve is connected with the heating water outlet pipeline, the water inlet end of the heating water outlet pipeline is connected with the heating device, and the.
Furthermore, the water return module comprises a water inlet pipeline, a valve, a circulating pump, a pressure sensor and a heating water return module, the heating water return module is connected with the water outlet end of the heating device, the heating water return module is connected with the water inlet end of the circulating pump, the water inlet pipeline is connected with the valve through a pipeline, the valve is connected with the water inlet end of the circulating pump, the water outlet end of the circulating pump is connected with the pressure sensor through a pipeline, the pressure sensor is connected with the water return sensor through a pipeline, and the pressure sensor is electrically connected with the controller.
Furthermore, the other water inlet end of the plate heat exchanger is connected with a water inlet pipeline, and the other water outlet end of the plate heat exchanger is connected with the water inlet end of the circulating pump through a pipeline.
The working principle and the advantages of the invention are as follows: the constant-temperature heating system of the heating wall-mounted furnace provides flowing power for water in the system through the water return module, the water temperature control module is used for controlling the temperature of the water, and the water outlet module provides hot water for a heating device and water for kitchens and bathrooms; during the working period of shower or heating, the system can feed the supplied heat and the consumed heat back to the controller in real time for operation, and then control the heating capacity of the heater, so that the water temperature in the system is comfortable and constant; the energy supply of the heater can feed according to needs, so that the water temperature in the system is controlled to reach a constant state, and the energy-saving effect can be achieved.
Drawings
FIG. 1 is a logic diagram of the present invention.
Detailed Description
The following is further detailed by the specific embodiments:
reference numerals in the drawings of the specification include:
1. the system comprises a water inlet pipeline, a valve, a circulating pump, a pressure sensor, a water return sensor, an expansion water tank, a heater, a heat exchanger, a temperature controller, a heating water outlet sensor, a three-way valve, a plate heat exchanger, a bathroom water outlet pipeline, a heating device and a heating water return module, wherein the pressure sensor is arranged at 4 degrees, the water return sensor is arranged at 5 degrees, the expansion water tank is arranged at 6 degrees, the heater is arranged at 7 degrees, the heat exchanger is arranged at 8 degrees, the.
As shown in figure 1, the constant temperature heating system of the heating wall-mounted furnace comprises a controller, a backwater module, a water outlet module and a water temperature control module, the water return module is connected with the water temperature control module, the water temperature control module is connected with the water outlet module, the water outlet module is connected with the water return module, the water temperature control module comprises an expansion water tank 6, a heat exchanger 7, a heater 8, a temperature controller 9, a return water sensor 5 and a heating water outlet sensor 10 which are electrically connected with the controller, the backwater sensor 5 is connected with the water inlet end of the heat exchanger 7 through a pipeline, the expansion water tank 6 is connected with the heat exchanger 7 through a pipeline, a heater 8 is arranged at the heat exchanger 7, the heat exchanger 7 is connected with a heating water outlet sensor 10 through a pipeline, and a temperature controller 9 electrically connected with the controller is also arranged on a connecting pipeline of the heat exchanger 7 and the heating water outlet sensor 10.
Wherein, the controller is a singlechip or a PLC programmable controller; the water return module is used for inputting water in a water source and the return system; the water outlet module can provide hot water for appliances needing to use hot water; the temperature of water in this system can be controlled to the temperature control module, the temperature of water before heat exchanger 7 can be discerned to return water sensor 5, heat exchanger 7 is the jar body, can store water, the heater 8 that is located heat exchanger 7 department can heat the water in heat exchanger 7, heater 8 can be gas furnace or electric heater, preferably gas furnace, expansion tank 6 can avoid the water in the heat exchanger because the temperature risees, the volume of water and evaporation lead to the pressure in the heat exchanger too big, share a part of pressure, temperature controller 9 is used for controlling the temperature in heat exchanger 7, heating goes out water sensor 10 and is temperature detection sensor, a temperature that is used for detecting heat exchanger 7, return water sensor 5 is temperature detection sensor, a temperature that is used for detecting the return water of hot water behind plate heat exchanger and the device detects.
As shown in fig. 1, the water outlet module includes a three-way valve 11, a plate heat exchanger 12, a bathroom water outlet pipeline 13, a heating water outlet pipeline 14, and a heating device 15, a water inlet end of the three-way valve 11 is connected to the heating water outlet sensor 10 through a pipe and the three-way valve 11 is electrically connected to the controller, a water outlet end of the three-way valve 11 is connected to a water inlet end of the plate heat exchanger 12 through a pipe, the plate heat exchanger 12 is connected to the water return module through a pipe, a water outlet end of the plate heat exchanger 12 is connected to the bathroom water outlet pipeline 13, another water outlet end of the three-way valve 11 is connected to the heating water outlet pipeline 14, a water inlet end of the heating water outlet pipeline 14 is connected to the heating device 15.
The three-way valve 11 is used for dividing the water outlet end of the water temperature control module into two paths and conveying the two paths to different use occasions; one path of water outlet end of the three-way valve 11 conveys hot water to a heating device 15 through a heating water outlet pipeline 14, the heating device 15 can be an indoor floor heating device, and the like, and the hot water enters a heating water return module 16 of a water return module after passing through the heating device 15 to carry out water circulation; hot water can enter the plate heat exchanger 12 through the other water outlet end of the three-way valve 11, meanwhile, the water inlet pipeline 1 of the water return module is connected with the plate heat exchanger 12, so that the inlet water entering the plate heat exchanger 12 can exchange heat with the cold water entering the plate heat exchanger 12 at the position of the water inlet pipeline 1, the cold water of the water inlet pipeline 1 after heat exchange is completed through the plate heat exchanger 12 has the water temperature suitable for bathroom water, and then enters the bathroom water outlet pipeline 13 and further enters a bathroom appliance, and then the hot water after heat exchange by the plate heat exchanger 12 further enters the circulating pump 3 of the water return module; simultaneously, water intake pipe 1 and valve 2 can also carry out the moisturizing operation to this system, open valve 2 back, and the water in the water intake pipe 1 can enter into circulating pump 3.
As shown in fig. 1, the water return module includes a water inlet pipeline 1, a valve 2, a circulating pump 3, a pressure sensor 4 and a heating water return module 16, the heating water return module 16 is connected with a water outlet end of a heating device 15, the heating water return module 16 is connected with a water inlet end of the circulating pump 3, the water inlet pipeline 1 is connected with the valve 2 through a pipeline, the valve 2 is connected with a water inlet end of the circulating pump 3, the water outlet end of the circulating pump 3 is connected with the pressure sensor 4 through a pipeline, the pressure sensor 4 is connected with a water return sensor 5 through a pipeline, and the pressure sensor 4 is electrically connected with the controller.
The water inlet pipeline 1 is used for supplementing water in the system, the valve 2 is used for controlling the supplementing water entering the circulating pump 3, the circulating pump 3 is a power source for water flowing in the system, and the pressure sensor 4 is used for detecting water flow pressure in the system.
As shown in fig. 1, the other water inlet end of the plate heat exchanger 12 is connected to the water inlet pipeline, and the other water outlet end of the plate heat exchanger 12 is connected to the water inlet end of the circulation pump 3 through a pipeline.
The specific implementation process is as follows:
before the system is used, all valves are firstly opened, so that water at the position of the water inlet pipeline 1 can enter all parts of the system, then the controller controls the heater 8 to heat the water in the heat exchanger 7, and after the water in the heat exchanger 7 is heated, the temperature controller 9 detects that the water temperature in the heat exchanger 7 reaches a preset value, a relevant signal is transmitted back to the controller, and the controller controls the heater 8 to stop working. When the system is used for supplying heat to the heating device 15, hot water in the heat exchanger 7 flows into the three-way valve 11 through the heating water outlet sensor 10, meanwhile, the heating water outlet sensor 10 monitors the water temperature flowing through the heating water outlet sensor in real time and transmits the water temperature information back to the controller, and the controller controls the firepower of the heater 8 according to the temperature set by the heating device 15 so as to control the temperature flowing through the heating device 15; hot water flows into a heating water outlet pipeline 14 from a three-way valve 11 and then flows into a heating device 15, the heating device 15 emits the heat of the water to further heat people, the temperature of the hot water is reduced after the hot water flows out of the heating device 15 and then the hot water enters a heating water return module 16, and the heating water return module 16 guides the water to a circulating pump 3 and then enters a water return module; the circulating pump 3 leads water from the pipeline back to the heat exchanger, in the process, the water flows through the pressure sensor 4 and the return sensor 5, the pressure sensor 4 detects the water flow pressure in the system and returns the water flow pressure to the controller, the controller further controls the operation parameters of the circulating pump 3, the return sensor 5 is used for detecting the water temperature of 7 thousand times of water flowing back to the heat exchanger and returning the water temperature data to the controller, and the controller controls the starting or stopping of the heater and the working firepower of the heater 8 according to the water temperature so as to control the heating temperature of the water in the heat exchanger 7, so that the water circulation and the water temperature control in the system are realized.
When the bathroom appliance needs to use hot water, the hot water flows out of the three-way valve 11 and then enters the plate heat exchanger 12, meanwhile, cold water in the water inlet pipeline 1 also enters the plate heat exchanger 12, the hot water and the cold water exchange heat in the plate heat exchanger 12, the cold water flows out of the plate heat exchanger 12 after being heated and flows into the bathroom water outlet pipeline 13, then hot water is supplied to the bathroom appliance, meanwhile, the temperature of the hot water is reduced after the hot water flows through the plate heat exchanger 12, then the hot water enters the circulating pump 2 and enters the water return module, and water circulation is carried out.
The constant-temperature heating system of the heating wall-mounted furnace provides flowing power for water in the system through the water return module, the water temperature control module is used for controlling the temperature of the water, and the water outlet module provides hot water for a heating device and water for kitchens and bathrooms; during the working period of shower or heating, the system can feed the supplied heat and the consumed heat back to the controller in real time for operation, and then control the heating amount of the heater 8, so that the water temperature in the system is comfortable and constant; the energy supply of the heater 8 can be fed according to the requirement, so that the water temperature in the system is controlled to be constant, and the energy-saving effect can be achieved.
The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics of the embodiments is not described herein in any greater extent than that known to persons of ordinary skill in the art at the filing date or before the priority date of the present invention, so that all of the prior art in this field can be known and can be applied with the ability of conventional experimental means before this date. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the applicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (4)
1. The utility model provides a heating hanging stove constant temperature heating system, includes the controller, its characterized in that: the water-saving device also comprises a water return module, a water outlet module and a water temperature control module, wherein the water return module is connected with the water temperature control module, the water temperature control module is connected with the water outlet module, the water outlet module is connected with the water return module, the water temperature control module comprises an expansion water tank (6), a heat exchanger (7), a heater (8), a temperature controller (9), a return water sensor (5) and a heating water outlet sensor (10) which are electrically connected with the controller, the backwater sensor (5) is connected with the water inlet end of the heat exchanger (7) through a pipeline, the expansion water tank (6) is connected with the heat exchanger (7) through a pipeline, a heater (8) is arranged at the heat exchanger (7), the heat exchanger (7) is connected with a heating water outlet sensor (10) through a pipeline, and a temperature controller (9) electrically connected with the controller is also arranged on a connecting pipeline of the heat exchanger (7) and the heating water outlet sensor (10).
2. The constant-temperature heating system of the heating wall-mounted furnace according to claim 1, characterized in that: the water outlet module comprises a three-way valve (11), a plate heat exchanger (12), a bathroom water outlet pipeline (13), a heating water outlet pipeline (14) and a heating device (15), the water inlet end of the three-way valve (11) is connected with a heating water outlet sensor (10) through a pipeline, the three-way valve (11) is electrically connected with a controller, the water outlet end of the three-way valve (11) is connected with the water inlet end of the plate heat exchanger (12) through a pipeline, the plate heat exchanger (12) is connected with a water return module through a pipeline, the water outlet end of the plate heat exchanger (12) is connected with the bathroom water outlet pipeline (13), the other water outlet end of the three-way valve (11) is connected with the heating water outlet pipeline (14), the water inlet end of the heating water outlet pipeline (14) is connected with the heating device (15), and the water outlet end of.
3. The constant-temperature heating system of the heating wall-mounted furnace according to claim 1, characterized in that: the water return module comprises a water inlet pipeline (1), a valve (2), a circulating pump (3), a pressure sensor (4) and a heating water return module (16), the heating water return module (16) is connected with a water outlet end of a heating device (15), the heating water return module (16) is connected with a water inlet end of the circulating pump (3), the water inlet pipeline (1) is connected with the valve (2) through a pipeline, the valve (2) is connected with a water inlet end of the circulating pump (3), a water outlet end of the circulating pump (3) is connected with the pressure sensor (4) through a pipeline, the pressure sensor (4) is connected with a water return sensor (5) through a pipeline, and the pressure sensor (4) is electrically connected with the controller.
4. The constant-temperature heating system of the heating wall-mounted furnace according to claim 2, characterized in that: the other water inlet end of the plate-type heat exchanger (12) is connected with a water inlet pipeline, and the other water outlet end of the plate-type heat exchanger (12) is connected with the water inlet end of the circulating pump (3) through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010464243.6A CN112303701A (en) | 2020-05-27 | 2020-05-27 | Constant-temperature heating system of heating wall-mounted furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010464243.6A CN112303701A (en) | 2020-05-27 | 2020-05-27 | Constant-temperature heating system of heating wall-mounted furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112303701A true CN112303701A (en) | 2021-02-02 |
Family
ID=74336433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010464243.6A Pending CN112303701A (en) | 2020-05-27 | 2020-05-27 | Constant-temperature heating system of heating wall-mounted furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112303701A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11241866A (en) * | 1998-02-24 | 1999-09-07 | Noritz Corp | Water heater with heat insulation function |
| CN110440455A (en) * | 2019-08-19 | 2019-11-12 | 珠海格力电器股份有限公司 | A kind of fuel wall hanging furnace heating combustion method, system and wall-hung boiler |
-
2020
- 2020-05-27 CN CN202010464243.6A patent/CN112303701A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11241866A (en) * | 1998-02-24 | 1999-09-07 | Noritz Corp | Water heater with heat insulation function |
| CN110440455A (en) * | 2019-08-19 | 2019-11-12 | 珠海格力电器股份有限公司 | A kind of fuel wall hanging furnace heating combustion method, system and wall-hung boiler |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2884024Y (en) | Curculation and water-saving type backwater device of water-heater | |
| CN102705980B (en) | Device with heating and water-heating device multi-machine parallel system and use method thereof | |
| CN201885402U (en) | Energy-saving and cyclic control system for water heater | |
| CN201007544Y (en) | Constant temperature hot water supply device of water heater | |
| CN109812978A (en) | A kind of water heater cold water reflux unit and the control method that flows back | |
| CN110440443A (en) | A kind of water-heater system | |
| CN205825411U (en) | A kind of gas heater of band heating function | |
| CN201628363U (en) | Novel energy-conserving and water-saving water heater | |
| CN102042636A (en) | Household central heating and water heating device | |
| CN103557548A (en) | Electric-heating heat-supplying and bathing dual-purpose wall-hung furnace | |
| CN209341560U (en) | Air-gas source heat pump and the double heat source domestic water-heating systems of combustion gas-solar energy | |
| CN108088070A (en) | A kind of Intelligent preheating gas heater and its subsystem and implementation method | |
| CN102466220A (en) | Industrial constant temperature control system | |
| CN201628366U (en) | Gas water heater with a built-in circulation pump | |
| CN201637127U (en) | Water temperature measuring and control device for shower in public bathroom | |
| CN112303701A (en) | Constant-temperature heating system of heating wall-mounted furnace | |
| CN202853103U (en) | Device with heating water heater multimachine parallel system | |
| CN112283948B (en) | Gas heating water heater with zero cold water function | |
| CN205561229U (en) | Energy -conserving water conservation gas hot water system | |
| CN205690691U (en) | A kind of domestic gas-fired water heater heating and bath hot water pipeline cold water reflux | |
| CN212006196U (en) | Wall-hanging stove hot water system | |
| KR20120092238A (en) | Heating system of the boiler which economizes an energy | |
| CN203586524U (en) | Domestic water heater with gas-electric hybrid heating dual working condition complementary work mode | |
| CN203489488U (en) | Waterway system for gas heating water furnace | |
| CN207880925U (en) | Energy saving nature microcirculation household instant hot water's system |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210202 |