CN108110631A - A kind of electrical engineering rapid cooling electrical cabinet - Google Patents
A kind of electrical engineering rapid cooling electrical cabinet Download PDFInfo
- Publication number
- CN108110631A CN108110631A CN201711228452.5A CN201711228452A CN108110631A CN 108110631 A CN108110631 A CN 108110631A CN 201711228452 A CN201711228452 A CN 201711228452A CN 108110631 A CN108110631 A CN 108110631A
- Authority
- CN
- China
- Prior art keywords
- cabinet
- fixedly connected
- electrical
- rapid cooling
- heat
- 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
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/306—Accessories, e.g. windows
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
- H02B1/34—Racks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/38—Hinged covers or doors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a kind of electrical engineering rapid cooling electrical cabinets, including cabinet, partition plate is fixedly connected between the both sides of the cabinet inner wall, and it is fixedly connected with mounting framework between the both sides of cabinet inner wall, the back side of the mounting framework is connected with heat sink, the bottom of the cabinet inner wall is fixedly connected with radiator, and heat-dissipating pipe is provided on radiator, the bottom of the cabinet is fixedly connected with ventilation fan, and the bottom of cabinet is fixedly connected with dirt filtrating screen, the bottom of the cabinet is fixedly connected with heat dissipation leaf case, is related to technical field of electric equipment.Electrical engineering rapid cooling electrical cabinet, possesses the function of water-cooling, utilize the high cooling efficiency of recirculated water cooling, the heat that electrical equipment can be generated carries out rapid dispersion absorption, and concentrate and shed, heat will not be made to be surround in cabinet, safe working environment is improved for electrical equipment, good heat dissipation effect improves the service life and security of electrical equipment.
Description
Technical field
The present invention relates to technical field of electric equipment, are specially a kind of electrical engineering rapid cooling electrical cabinet.
Background technology
Electrical cabinet be by steel material be process for protect component work normally cabinet, electrical cabinet making material one
As be divided into two kinds of hot rolled steel plate and cold-rolled steel sheet, cold-rolled steel sheet is soft with respect to hot rolled steel plate more material, is more suitable for the system of electrical cabinet
Make, electrical cabinet is widely used to be mainly used for chemical industry, and environmental protection industry (epi), electric system, metallurgical system is industrial, and nuclear power industry disappears
Anti- security monitoring, transportation industry etc..
At present, the function of electrical cabinet is all more similar, and structure is mostly relatively simple, because having many electricity simultaneously in electrical cabinet
The almost continual work daily of gas element, generates substantial amounts of heat and is not easy to disperse in cabinet, security incident easily occurs, and general
Logical electrical cabinet heat sinking function is very poor, can not improve the security of electrical element, and have to the service life of electrical equipment
It influences.
The content of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of electrical engineering rapid cooling electrical cabinet, solve general
Logical electrical cabinet heat sinking function is very poor, can not improve the security of electrical element, and have to the service life of electrical equipment
The problem of influence.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs：A kind of electrical engineering rapid cooling
Electrical cabinet including cabinet, is fixedly connected with partition plate between the both sides of the cabinet inner wall, and solid between the both sides of cabinet inner wall
Surely mounting framework is connected with, the back side of the mounting framework is connected with heat sink, and the bottom of the cabinet inner wall is fixedly connected
There is radiator, and heat-dissipating pipe is provided on radiator, the bottom of the cabinet is fixedly connected with ventilation fan, and the bottom of cabinet
Portion is fixedly connected with dirt filtrating screen, and the bottom of the cabinet is fixedly connected with heat dissipation leaf case, and the both sides of the radiator are respectively communicated with
There are outlet pipe and water inlet pipe, pumping is communicated on the outlet pipe and is pumped, connect between the one side and outlet pipe at the top of the heat sink
Cold water pipe is connected with, and control valve is communicated on cold water pipe, is communicated between the one side of the heat sink bottom and water inlet pipe
Hot-water line is fixedly connected with exhaust fan at the top of the cabinet, and the outer wall of the cabinet is hinged with cabinet door, and cabinet by hinge
Door lock is provided on door.
Preferably, the heat sink includes endothermic box, has been fixedly connected at the top and bottom of the endothermic box one side
Clamp, and the one side of endothermic box is clamped by clamp and mounting framework, and the one side of the endothermic box is fixedly connected with thermally conductive sheet,
The top of the endothermic box is connected with cold water pipe, and the bottom of endothermic box is connected with hot-water line.
Preferably, the top of the outlet pipe through partition plate and extends to the top of cabinet.
Preferably, the top of the water inlet pipe through partition plate and extends to the inside of cabinet.
Preferably, the outer wall of the cabinet is hinged under casing door by hinge, and is provided with door handle under casing door.
Preferably, observation window is fixedly connected at the top of the cabinet door, and the quantity of observation window is two.
Preferably, the outer wall of the cabinet door is fixedly connected with control panel, and button is provided on control panel, the control
Knob earthing switch is provided on plate.
Preferably, the both sides of the bottom of cabinet bulk have been fixedly connected with support leg, and fixed spiral shell is offered in support leg
Pit.
(3) advantageous effect
The present invention provides a kind of electrical engineering rapid cooling electrical cabinets.Possesses following advantageous effect：
(1), electrical engineering rapid cooling electrical cabinet is fixedly connected with partition plate between the both sides by cabinet inner wall,
And mounting framework is fixedly connected between the both sides of cabinet inner wall, the back side of mounting framework is connected with endothermic box, and absorbs heat
The one side of case is clamped by clamp and mounting framework, and the one side of endothermic box is fixedly connected with thermally conductive sheet, and the bottom of cabinet inner wall is consolidated
Surely radiator is connected with, and heat-dissipating pipe is provided on radiator, the bottom of cabinet is fixedly connected with ventilation fan, the bottom of cabinet
Heat dissipation leaf case is fixedly connected with, the both sides of radiator have been respectively communicated with outlet pipe and water inlet pipe, and pumping pump is communicated on outlet pipe, is inhaled
Cold water pipe is communicated between one side and outlet pipe at the top of hot tank, and control valve is communicated on cold water pipe, endothermic box bottom
Hot-water line is communicated between one side and water inlet pipe, exhaust fan is fixedly connected at the top of cabinet, the function of possessing water-cooling,
Using the high cooling efficiency of recirculated water cooling, the heat that can generate electrical equipment carries out rapid dispersion absorption, and concentrates and shed,
Heat will not be made to be surround in cabinet, good heat dissipation effect improves safe working environment for electrical equipment, improves electrical equipment
Service life and security.
(2), electrical engineering rapid cooling electrical cabinet is fixedly connected with dirt filtrating screen by the bottom of cabinet, reaches
While heat dissipation, prevent extraneous dust from entering, ensure that the clean environment in electrical cabinet.
(3), electrical engineering rapid cooling electrical cabinet is fixedly connected with control panel by the outer wall of cabinet door, and controls
Button is provided in making sheet, knob earthing switch is provided on control panel, convenient for manipulation, using simple, and be grounded it is easy to operate,
It is safe.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the schematic diagram of cabinet external structure of the present invention；
Fig. 3 is the schematic diagram of heat sink structure of the present invention.
In figure：1 cabinet, 2 partition plates, 3 mounting frameworks, 4 heat sinks, 41 endothermic box, 42 clamps, 43 thermally conductive sheets, 5 heat dissipations
Pump, 13 cold water pipes, 14 controls are taken out in device, 6 heat-dissipating pipes, 7 ventilation fans, 8 dirt filtrating screens, 9 heat dissipation leaf casees, 10 outlet pipes, 11 water inlet pipes, 12
Valve, 15 hot-water lines, 16 exhaust fans, 17 support legs, 18 fixing screwed holes, 19 hinges, 20 under casing doors, 21 door handles, 22 cabinet doors, 23
Door lock, 24 observation windows, 25 control panels, 26 buttons, 27 knob earthing switches.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment belongs to the scope of protection of the invention.
- 3 are please referred to Fig.1, the embodiment of the present invention provides a kind of technical solution：A kind of electrical engineering rapid cooling is electrical
Cabinet including cabinet 1, is fixedly connected with partition plate 2, and fixed company between the both sides of 1 inner wall of cabinet between the both sides of 1 inner wall of cabinet
Mounting framework 3 is connected to, mounting framework 3 is made of the good metal material of thermal conductivity, and the back side of mounting framework 3 is connected with heat absorption
Device 4, heat sink 4 include endothermic box 41, and endothermic box has been fixedly connected with clamp 42 at the top and bottom of 41 one side, and inhales
The one side of hot tank 41 is clamped by clamp 42 and mounting framework 3, and the one side of endothermic box 41 is fixedly connected with thermally conductive sheet 43, thermally conductive sheet
43 are made of metallic copper, and the top of endothermic box 41 is connected with cold water pipe 13, and the bottom of endothermic box 41 connects with hot-water line 15
Logical, the bottom of 1 inner wall of cabinet is fixedly connected with radiator 5, and heat-dissipating pipe 6 is provided on radiator 5, and the bottom of cabinet 1 is consolidated
Surely ventilation fan 7 is connected with, and the bottom of cabinet 1 is fixedly connected with dirt filtrating screen 8, and the bottom of cabinet 1 is fixedly connected with heat dissipation leaf
Case 9, the both sides of radiator 5 have been respectively communicated with outlet pipe 10 and water inlet pipe 11, and pumping pump 12, outlet pipe 10 are communicated on outlet pipe 10
Top through partition plate 2 and extend to the top of cabinet 1, the top of water inlet pipe 11 through partition plate 2 and extends to the interior of cabinet 1
Portion is communicated with cold water pipe 13 between the one side at 4 top of heat sink and outlet pipe 10, and is communicated with control valve on cold water pipe 13
14, hot-water line 15 is communicated between the one side of 4 bottom of heat sink and water inlet pipe 11, the top of cabinet 1 is fixedly connected with exhaust
Fan 16, the both sides of 1 bottom of cabinet have been fixedly connected with support leg 17, and fixing screwed hole 18, cabinet are offered in support leg 17
The outer wall of body 1 is hinged under casing door 20 by hinge 19, and door handle 21 is provided under casing door 20, and the outer wall of cabinet 1 leads to
It crosses hinge 19 and is hinged with cabinet door 22, and door lock 23 is provided in cabinet door 22, the top of cabinet door 22 is fixedly connected with observation window 24,
And the quantity of observation window 24 is two, and the outer wall of cabinet door 22 is fixedly connected with control panel 25, and is provided on control panel 25
Button 26 is provided with knob earthing switch 27 on control panel 25.
In use, electric elements are mounted on mounting framework 3, if being fitted without electrical equipment on part mounting framework 3,
Corresponding control valve 14 can be closed, the heat that electrical equipment generates when working directly is transferred to thermally conductive sheet from mounting framework 3
On 43, take out pump 12 and be pumped into the cold water in radiator 5 in endothermic box 41 by outlet pipe 10 and cold water pipe 13, cold water can rapid band
The heat on thermally conductive sheet 43 and endothermic box 41 is walked, and passes through hot-water line 15 and water inlet pipe 11 is reentered in radiator 5, hot water exists
Flowing in heat-dissipating pipe 6, ventilation fan 7 constantly absorb extraneous cold wind and blow to heat-dissipating pipe 6, and hot water is made to turn cold again, in cycles into
Row circulation cooling, the heat of 1 bottom of cabinet dissipate outwardly at heat dissipation leaf case 9, wherein, residue distributes in air in cabinet 1
Heat, the top of cabinet 1 can be risen to, the outside to cabinet 1 is dissipated by exhaust fan 16.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those
Element, but also including other elements that are not explicitly listed or further include as this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of electrical engineering rapid cooling electrical cabinet, including cabinet (1), it is characterised in that：The two of cabinet (1) inner wall
Partition plate (2) is fixedly connected between side, and mounting framework (3), the peace are fixedly connected between the both sides of cabinet (1) inner wall
The back side of dress skeleton (3) is connected with heat sink (4), and the bottom of cabinet (1) inner wall is fixedly connected with radiator (5), and
And heat-dissipating pipe (6) is provided on radiator (5), the bottom of the cabinet (1) is fixedly connected with ventilation fan (7), and cabinet (1)
Bottom be fixedly connected with dirt filtrating screen (8), the bottom of the cabinet (1) is fixedly connected with heat dissipation leaf case (9), the radiator
(5) both sides have been respectively communicated with outlet pipe (10) and water inlet pipe (11), and pumping pump (12) is communicated on the outlet pipe (10), described
Cold water pipe (13) is communicated between one side and outlet pipe (10) at the top of heat sink (4), and is communicated on cold water pipe (13)
Control valve (14) is communicated with hot-water line (15), the cabinet between the one side of heat sink (4) bottom and water inlet pipe (11)
(1) exhaust fan (16) is fixedly connected at the top of, the outer wall of the cabinet (1) is hinged with cabinet door (22) by hinge (19), and
And door lock (23) is provided in cabinet door (22).
2. a kind of electrical engineering rapid cooling electrical cabinet according to claim 1, it is characterised in that：The heat sink
(4) include endothermic box (41), be fixedly connected with clamp (42) at the top and bottom of endothermic box (41) one side, and absorbed heat
The one side of case (41) is clamped by clamp (42) and mounting framework (3), and the one side of the endothermic box (41) is fixedly connected with heat conduction
Piece (43), the top of the endothermic box (41) are connected with cold water pipe (13), and the bottom of endothermic box (41) and hot-water line (15)
Connection.
3. a kind of electrical engineering rapid cooling electrical cabinet according to claim 1, it is characterised in that：The outlet pipe
(10) top is through partition plate (2) and extends to the top of cabinet (1).
4. a kind of electrical engineering rapid cooling electrical cabinet according to claim 1, it is characterised in that：The water inlet pipe
(11) top is through partition plate (2) and extends to the inside of cabinet (1).
5. a kind of electrical engineering rapid cooling electrical cabinet according to claim 1, it is characterised in that：The cabinet (1)
Outer wall under casing door (20) is hinged with by hinge (19), and door handle (21) is provided under casing door (20).
6. a kind of electrical engineering rapid cooling electrical cabinet according to claim 1, it is characterised in that：The cabinet door (22)
Top be fixedly connected with observation window (24), and the quantity of observation window (24) is two.
7. a kind of electrical engineering rapid cooling electrical cabinet according to claim 1, it is characterised in that：The cabinet door (22)
Outer wall be fixedly connected with control panel (25), and button (26) is provided on control panel (25), is set on the control panel (25)
It is equipped with knob earthing switch (27).
8. a kind of electrical engineering rapid cooling electrical cabinet according to claim 1, it is characterised in that：The cabinet (1)
The both sides of bottom have been fixedly connected with support leg (17), and fixing screwed hole (18) is offered in support leg (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711228452.5A CN108110631A (en) | 2017-11-29 | 2017-11-29 | A kind of electrical engineering rapid cooling electrical cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711228452.5A CN108110631A (en) | 2017-11-29 | 2017-11-29 | A kind of electrical engineering rapid cooling electrical cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108110631A true CN108110631A (en) | 2018-06-01 |
Family
ID=62208163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711228452.5A Pending CN108110631A (en) | 2017-11-29 | 2017-11-29 | A kind of electrical engineering rapid cooling electrical cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108110631A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109494593A (en) * | 2018-12-18 | 2019-03-19 | 北京明科电通电力设备有限公司 | The distribution box of high efficiency and heat radiation |
| CN110730610A (en) * | 2019-11-25 | 2020-01-24 | 苏州嘉盛科技电讯有限公司 | High-performance electromagnetic shielding cabinet |
| CN111371027A (en) * | 2020-04-29 | 2020-07-03 | 安徽禾田电气有限公司 | Airtight high-low voltage power distribution cabinet that many places were suitable for |
| CN111432616A (en) * | 2020-05-21 | 2020-07-17 | 中原工学院 | Electrical engineering is with quick heat dissipation regulator cubicle |
| CN112351645A (en) * | 2020-10-26 | 2021-02-09 | 广东广晟通信技术有限公司 | Heat dissipation installation cabinet for information communication |
| CN113363844A (en) * | 2021-06-03 | 2021-09-07 | 韩飞 | Electric power cabinet with heat dissipation safeguard function |
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| CN205753113U (en) * | 2016-06-24 | 2016-11-30 | 江苏国控电力设备有限公司 | A kind of switch cubicle with radiating dustproof function |
| CN106785999A (en) * | 2017-03-08 | 2017-05-31 | 陆灼强 | A kind of power distribution cabinet with internal cooling function |
| CN106787631A (en) * | 2017-03-08 | 2017-05-31 | 无锡市优利康电气有限公司 | A kind of liquid air-cooled variable-frequency device |
| CN107196207A (en) * | 2017-07-28 | 2017-09-22 | 江苏新汇源电气科技有限公司 | A kind of temperature control device of AC low voltage power switch box |
-
2017
- 2017-11-29 CN CN201711228452.5A patent/CN108110631A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205753113U (en) * | 2016-06-24 | 2016-11-30 | 江苏国控电力设备有限公司 | A kind of switch cubicle with radiating dustproof function |
| CN106785999A (en) * | 2017-03-08 | 2017-05-31 | 陆灼强 | A kind of power distribution cabinet with internal cooling function |
| CN106787631A (en) * | 2017-03-08 | 2017-05-31 | 无锡市优利康电气有限公司 | A kind of liquid air-cooled variable-frequency device |
| CN107196207A (en) * | 2017-07-28 | 2017-09-22 | 江苏新汇源电气科技有限公司 | A kind of temperature control device of AC low voltage power switch box |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109494593A (en) * | 2018-12-18 | 2019-03-19 | 北京明科电通电力设备有限公司 | The distribution box of high efficiency and heat radiation |
| CN110730610A (en) * | 2019-11-25 | 2020-01-24 | 苏州嘉盛科技电讯有限公司 | High-performance electromagnetic shielding cabinet |
| CN110730610B (en) * | 2019-11-25 | 2024-05-10 | 苏州嘉盛科技电讯有限公司 | Electromagnetic shielding cabinet |
| CN111371027A (en) * | 2020-04-29 | 2020-07-03 | 安徽禾田电气有限公司 | Airtight high-low voltage power distribution cabinet that many places were suitable for |
| CN111432616A (en) * | 2020-05-21 | 2020-07-17 | 中原工学院 | Electrical engineering is with quick heat dissipation regulator cubicle |
| CN112351645A (en) * | 2020-10-26 | 2021-02-09 | 广东广晟通信技术有限公司 | Heat dissipation installation cabinet for information communication |
| CN113363844A (en) * | 2021-06-03 | 2021-09-07 | 韩飞 | Electric power cabinet with heat dissipation safeguard function |
| CN113363844B (en) * | 2021-06-03 | 2023-01-20 | 广西电网有限责任公司南宁供电局 | Electric power cabinet with heat dissipation safeguard function |
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| 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 |
Application publication date: 20180601 |
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| RJ01 | Rejection of invention patent application after publication |