CN108036365A - Anti-backfire kitchen range - Google Patents
Anti-backfire kitchen range Download PDFInfo
- Publication number
- CN108036365A CN108036365A CN201711286390.3A CN201711286390A CN108036365A CN 108036365 A CN108036365 A CN 108036365A CN 201711286390 A CN201711286390 A CN 201711286390A CN 108036365 A CN108036365 A CN 108036365A
- Authority
- CN
- China
- Prior art keywords
- drain pipe
- wind pressure
- kitchen range
- pipe
- control device
- 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.)
- Granted
Links
- 238000006213 oxygenation reaction Methods 0.000 claims abstract description 33
- 239000007789 gas Substances 0.000 claims abstract description 23
- 239000012530 fluid Substances 0.000 claims abstract description 20
- 230000004044 response Effects 0.000 claims abstract description 18
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 239000000567 combustion gas Substances 0.000 claims description 12
- 238000007664 blowing Methods 0.000 claims description 5
- 238000012856 packing Methods 0.000 claims description 3
- 230000001154 acute effect Effects 0.000 claims description 2
- 238000004062 sedimentation Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 5
- 230000005484 gravity Effects 0.000 abstract description 5
- 239000001301 oxygen Substances 0.000 abstract description 5
- 229910052760 oxygen Inorganic materials 0.000 abstract description 5
- 238000005496 tempering Methods 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 abstract description 2
- 238000002485 combustion reaction Methods 0.000 description 5
- 238000010411 cooking Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C3/00—Stoves or ranges for gaseous fuels
- F24C3/12—Arrangement or mounting of control or safety devices
- F24C3/126—Arrangement or mounting of control or safety devices on ranges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/006—Arrangements for circulation of cooling air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/14—Spillage trays or grooves
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Regulation And Control Of Combustion (AREA)
Abstract
The present invention proposes a kind of anti-backfire kitchen range, by setting the wind pressure detection pipe to link with burnt gas switch, can cut off gas supply in time when oxygenation wind turbine is stopped, and prevents tempering burning from triggering fire；Blower is opened up on drain pipe, the cold wind that can borrow the blowout of oxygenation wind turbine plays cleaning and cooling effect to circuit control device, extends its service life；By setting drain pipe and response agency, start to work in oxygenation wind turbine, when wind pressure reaches setting value, wind pressure promotes the closed leakage fluid dram of response agency, increases oxygen newly and participates in reaction into burner is interior；When wind pressure is less than setting value, response agency under the effect of gravity open by return, leakage fluid dram, is discharged for the liquid for entering drain pipe, prevents liquid from pouring in down a chimney damage oxygenation wind turbine or shortens oxygenation service life of fan.
Description
Technical field
The present invention relates to energy-saving stove technical field, more particularly to a kind of anti-backfire kitchen range.
Background technology
Present many energy-saving kitchen ranges, particularly half premix commercial energy-saving stove, when blower conduits pressure is reduced to certain value
When, pre-mixing gas combustion can be tempered burning, and trigger fire when serious.
In addition, cooking stove is in use, liquid often is poured into, these liquid runs down oxygenation wind turbine wind pipes flow into
Oxygenation wind turbine, causes oxygenation wind turbine to damage.
3rd, present energy-saving kitchen range electric appliance is mounted with the electric appliances such as control circuit, firing circuit, solenoid valve, cooking stove ring more
Border is more severe：High temperature, humidity, more oil smoke, easily break down or reduction of service life.
The content of the invention
In view of this, the present invention proposes a kind of anti-backfire kitchen range that can effectively prevent pre-mixing gas combustion tempering burning.
The technical proposal of the invention is realized in this way：The present invention provides a kind of anti-backfire kitchen range, it include burner,
Combustion gas inlet pipe, blast pipe and oxygenation wind turbine, combustion gas inlet pipe, blast pipe are respectively communicated with burner, further include drain pipe, circuit control
Device, wind pressure sensor and burnt gas switch, offer wind pressure detection pipe on drain pipe, and wind pressure sensing is provided with wind pressure detection pipe
Device, burnt gas switch are arranged on combustion gas inlet pipe and are connected with circuit control device signal, wind pressure sensor and circuit control device
Signal connects, and wind pressure sensor detects real-time wind pressure data in drain pipe and is sent to circuit control device, circuit control device
Real-time wind pressure data is contrasted with preset value, controls burnt gas switch to close when real-time wind pressure data is less than preset value.
On the basis of above technical scheme, it is preferred that the burnt gas switch is solenoid valve.
On the basis of above technical scheme, it is preferred that further include response agency, the drain pipe both ends are respectively arranged with
Air inlet and air outlet, air inlet connection oxygenation wind turbine, air outlet connection blast pipe, drain pipe centre pipeline section bottom are provided with row
Liquid mouth, response agency include removable cover and bearing block, and removable cover and bearing block junction rotatably connect with discharge opeing tube wall
Connect, bearing block weight is more than removable cover, removable cover around be rotatably connected a little rotate to bottom when closed leakage fluid dram.
It is further preferred that the drain pipe middle part is provided with subsider, leakage fluid dram is arranged in the subsider.
It is further preferred that the removable cover around be rotatably connected a little rotate to top when closed drain pipe air inlet.
Still more preferably, seal washer is provided with the drain pipe, seal washer is tightly connected with discharge opeing tube wall, removable cover
Plate around be rotatably connected a little rotate to top when hermetic seal packing ring.
On the basis of above technical scheme, it is preferred that offer blower on the drain pipe, further include circuit control
Device, the blowing mouth face circuit control device of blower are set.It is further preferred that air inlet and air outlet central shaft are one
On bar straight line, blower central shaft is in an acute angle with air inlet and air outlet central shaft, and blower blowing direction is close to air outlet
Side.
On the basis of above technical scheme, it is preferred that circuit control device is set away from burner high temperature area.
The anti-backfire kitchen range of the present invention have the advantages that relative to the prior art：
(1) by setting the wind pressure detection pipe to link with burnt gas switch, combustion can be cut off in time when wind pressure is less than setting value
Gas is supplied, and prevents tempering burning from triggering fire；
(2) draining valve is subject to gravity automatic airtight air inlet under oxygenation wind turbine off working state, can prevent
The corrosivity produced of burning or polluted gas pour in down a chimney into oxygenation wind turbine, extend its service life；
(3) blower is opened up on drain pipe, the cold wind that can borrow the blowout of oxygenation wind turbine plays circuit control device clearly
Clean and cooling effect, extends its service life；
(4) by setting drain pipe and response agency, start to work in oxygenation wind turbine, when wind pressure reaches setting value, wind pressure
The closed leakage fluid dram of response agency is promoted, oxygen is increased newly and enters participation reaction in burner；The links-and-links machine when wind pressure is less than setting value
Structure return under the effect of gravity, leakage fluid dram are opened, and are discharged for the liquid for entering drain pipe, prevent liquid pour in down a chimney damage or
Person shortens oxygenation service life of fan.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the positive structure diagram of anti-backfire kitchen range of the present invention；
Fig. 2 is the positive sectional structure chart in part of the discharge opeing tube portion of anti-backfire kitchen range of the present invention.
Embodiment
Below in conjunction with the attached drawing in embodiment of the present invention, the technical solution in embodiment of the present invention is carried out clear
Chu, be fully described by, it is clear that described embodiment only a part of embodiment of the present invention, rather than whole realities
Apply mode.Based on the embodiment in the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, belongs to the scope of protection of the invention.
As shown in Figure 1, with reference to Fig. 2, anti-backfire kitchen range of the invention, it include burner 1, combustion gas inlet pipe 2, blast pipe 3,
Oxygenation wind turbine 4, drain pipe 5, response agency 6, circuit control device 7, wind pressure sensor 8 and burnt gas switch 9.
Wherein, burner 1 is respectively communicated with as prior art part, combustion gas inlet pipe 2, blast pipe 3, combustion gas inlet pipe 2 is passed through
Combustion gas, blast pipe 3 are passed through the burning in burner 1 of air, combustion gas and air.
Liquid, which pours in down a chimney, in order to prevent influences 4 service life of oxygenation wind turbine, and the present invention is provided with drain pipe 5 and response agency 6.
5 both ends of drain pipe are respectively arranged with air inlet 51 and air outlet 52, and air inlet 51 connects oxygenation wind turbine 4, goes out
Air port 52 connects blast pipe 3, and the middle pipeline section bottom of drain pipe 5 is provided with leakage fluid dram 53.In this way, the suction of oxygenation wind turbine 4 is newly-increased
Oxygen enters in drain pipe 5 through air inlet 51, enters through air outlet 52 in blast pipe 3, and leakage fluid dram 53 pours in down a chimney liquid for discharge.
Response agency 6 senses wind pressure in drain pipe 5, when wind pressure reaches setting value, the closed leakage fluid dram 53 of response agency 6；
When wind pressure is less than setting value, leakage fluid dram 53 is connected with air outlet 52.In this way, reach setting in the wind pressure that oxygenation wind turbine 4 provides
During value, the closed leakage fluid dram 53 of response agency 6, increases oxygen newly and enters through air inlet 51 in drain pipe 5, enter inlet air through air outlet 52
In pipe 3；When the wind pressure that oxygenation wind turbine 4 provides is less than setting value, leakage fluid dram 53 is connected with air outlet 52, pours in down a chimney the liquid of entrance
Flowed out through leakage fluid dram 53, do not interfere with the use of oxygenation wind turbine.Specifically, response agency 6 includes removable cover 61 and bearing block
62, removable cover 61 and 62 junction of bearing block are rotatably connected with 5 tube wall of drain pipe, and 62 weight of bearing block is more than removable cover
61, removable cover 61 around be rotatably connected a little rotate to bottom when closed leakage fluid dram 53.In this way, start to work in oxygenation wind turbine 4
When, wind pressure reaches setting value, and wind pressure promotes response agency 6 to rotate, closed leakage fluid dram 53, and newly-increased oxygen enters 1 internal reference of burner
With reaction；When oxygenation wind turbine 4 is stopped, response agency 6 rotates automatically under the gravity of bearing block 62, leakage fluid dram 53
Open, discharged for the liquid for entering drain pipe 5, prevent liquid from pouring in down a chimney damage oxygenation wind turbine 4 or shorten oxygenation wind turbine 4
Service life.Specifically, 5 middle part of drain pipe is provided with subsider 54, leakage fluid dram 53 is arranged at the subsider
In 54.Subsider 54 can play cushioning effect to the liquid poured in down a chimney, prevent it from directly impacting removable cover 61, be splashed into oxygenation wind
The pipeline section of 4 side of machine.Specifically, the removable cover 61 around be rotatably connected a little rotate to top when closed 5 inlet air of drain pipe
Mouth 51., can be to prevent in this way, response agency 6 is subject to gravity automatic airtight air inlet 51 under 4 off working state of oxygenation wind turbine
The corrosivity of generation of only burning or polluted gas pour in down a chimney into oxygenation wind turbine 4, extend its service life.In order to improve seal
Can, seal washer 55 is provided with the drain pipe 5, seal washer 55 is tightly connected with 5 tube wall of drain pipe, removable cover 61 around
Be rotatably connected hermetic seal packing ring 55 when a little rotating to top.
Used for the energy-saving stove such as control circuit, firing circuit, solenoid valve electric appliance under high temperature, humidity, more oil smoke surroundings
The problem of service life is shorter.Blower 56, the blowing mouth face circuit control device 7 of blower 56 are offered on the drain pipe 5
Set.In this way, the cold wind that can borrow the blowout of oxygenation wind turbine 4 plays cleaning and cooling effect to circuit control device 7, extending it makes
Use the service life.Specifically, circuit control device 7 is set away from 1 high-temperature region of burner, high temperature injury is prevented.Specifically, air inlet 51
With 52 central shaft of air outlet point-blank, 56 central shaft of blower and air inlet 51 and 52 central shaft of air outlet are sharp in one
Angle, 56 blowing direction of blower is close to 52 side of air outlet.In this way, 56 air inlet of blower is more smooth.
For the problem that when 4 pipeline pressure of oxygenation wind turbine is reduced to certain value, pre-mixing gas combustion tempering is burnt.The discharge opeing
Wind pressure detection pipe 57 is offered on pipe 5, wind pressure sensor 8 is provided with wind pressure detection pipe 57, further includes 7 He of circuit control device
Burnt gas switch 9, burnt gas switch 9 are arranged on combustion gas inlet pipe 2 and are connected with 7 signal of circuit control device, wind pressure sensor 8 and electricity
Control device 7 signal in road connects, and wind pressure sensor 8 detects real-time wind pressure data in drain pipe 5 and is sent to circuit control device
7, circuit control device 7 is contrasted real-time wind pressure data with preset value, is controlled when real-time wind pressure data is less than preset value
Burnt gas switch 9 is closed.In this way, when wind pressure is less than preset value, fuel gas transmission is automatically cut off, prevents pre-mixing gas combustion tempering burning.
Specifically, the burnt gas switch 9 is solenoid valve.
The foregoing is merely the better embodiment of the present invention, it is not intended to limit the invention, it is all the present invention's
Within spirit and principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of anti-backfire kitchen range, it includes burner (1), combustion gas inlet pipe (2), blast pipe (3) and oxygenation wind turbine (4), combustion gas
Inlet pipe (2), blast pipe (3) are respectively communicated with burner (1), it is characterised in that：Further include drain pipe (5), circuit control device
(7), wind pressure sensor (8) and burnt gas switch (9), offer wind pressure detection pipe (57), wind pressure detection pipe (57) on drain pipe (5)
Wind pressure sensor (8) is inside provided with, burnt gas switch (9) is arranged on combustion gas inlet pipe (2) and connects with circuit control device (7) signal
Connect, wind pressure sensor (8) is connected with circuit control device (7) signal, real-time wind in wind pressure sensor (8) detection drain pipe (5)
Pressure Data Concurrent gives circuit control device (7), and circuit control device (7) is contrasted real-time wind pressure data with preset value,
Burnt gas switch (9) is controlled to close when real-time wind pressure data is less than preset value.
2. anti-backfire kitchen range as claimed in claim 1, it is characterised in that：The burnt gas switch (9) is solenoid valve.
3. anti-backfire kitchen range as claimed in claim 1, it is characterised in that：Further include response agency (6), the drain pipe (5)
Both ends are respectively arranged with air inlet (51) and air outlet (52), air inlet (51) connection oxygenation wind turbine (4), air outlet (52) connection
Blast pipe (3), pipeline section bottom is provided with leakage fluid dram (53) among drain pipe (5), response agency (6) include removable cover (61) and
Bearing block (62), removable cover (61) and bearing block (62) junction are rotatably connected with drain pipe (5) tube wall, bearing block (62)
Weight is more than removable cover (61), removable cover (61) around be rotatably connected a little rotate to bottom when closed leakage fluid dram (53).
4. anti-backfire kitchen range as claimed in claim 3, it is characterised in that：Drain pipe (5) middle part is provided with sedimentation
Groove (54), leakage fluid dram (53) are arranged in the subsider (54).
5. anti-backfire kitchen range as claimed in claim 3, it is characterised in that：The removable cover (61) is around a rotation that is rotatably connected
Closed drain pipe (5) air inlet (51) when going to top.
6. anti-backfire kitchen range as claimed in claim 5, it is characterised in that：Seal washer is provided with the drain pipe (5)
(55), seal washer (55) is tightly connected with drain pipe (5) tube wall, and removable cover (61) a little rotates to top around being rotatably connected
When hermetic seal packing ring (55).
7. anti-backfire kitchen range as claimed in claim 1, it is characterised in that：Blower (56) is offered on the drain pipe (5),
Circuit control device (7) is further included, the blowing mouth face circuit control device (7) of blower (56) is set.
8. anti-backfire kitchen range as claimed in claim 7, it is characterised in that：Air inlet (51) and air outlet (52) central shaft are one
On bar straight line, blower (56) central shaft is in an acute angle with air inlet (51) and air outlet (52) central shaft, and blower (56) is blown
Wind direction is close to air outlet (52) side.
9. anti-backfire kitchen range as claimed in claim 1, it is characterised in that：Circuit control device (7) is away from burner (1) high temperature
Area is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711286390.3A CN108036365B (en) | 2017-12-07 | 2017-12-07 | Anti-backfire kitchen range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711286390.3A CN108036365B (en) | 2017-12-07 | 2017-12-07 | Anti-backfire kitchen range |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108036365A true CN108036365A (en) | 2018-05-15 |
| CN108036365B CN108036365B (en) | 2019-05-31 |
Family
ID=62095778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711286390.3A Active CN108036365B (en) | 2017-12-07 | 2017-12-07 | Anti-backfire kitchen range |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108036365B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542122A (en) * | 2019-08-31 | 2019-12-06 | 嘉兴瑛蔓贸易有限公司 | Novel sealed methane stove based on airflow |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1740637A (en) * | 2005-09-14 | 2006-03-01 | 广东振宇科技发展有限公司 | Reinforced fuel gas and air mixed injecting combustor |
| CN2890686Y (en) * | 2005-11-21 | 2007-04-18 | 梁伟强 | Energy-saving stove with violent flame |
| CN201462993U (en) * | 2009-06-18 | 2010-05-12 | 杭州中欣不锈钢制品有限公司 | Cooker-leaving extinguishing device of commercial Chinese food sauting oven |
| CZ21767U1 (en) * | 2010-11-09 | 2011-02-14 | VVUÚ, a.s. | Explosion-proof backflow preventer |
| CN202221110U (en) * | 2011-08-19 | 2012-05-16 | 魏银锋 | Energy-saving fuel gas stove |
| CN104455572A (en) * | 2014-12-01 | 2015-03-25 | 中煤科工集团重庆研究院有限公司 | One-way exhaust device for refuge chamber |
| CN204388144U (en) * | 2014-11-13 | 2015-06-10 | 北京金燃永兴节能环保厨房设备有限公司 | A kind of premix vortex energy-conserving and environment-protective auto extinguishing protection kitchen range |
| CN206556015U (en) * | 2017-03-06 | 2017-10-13 | 汪薇 | A kind of energy-saving environmentally-friendly burner |
-
2017
- 2017-12-07 CN CN201711286390.3A patent/CN108036365B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1740637A (en) * | 2005-09-14 | 2006-03-01 | 广东振宇科技发展有限公司 | Reinforced fuel gas and air mixed injecting combustor |
| CN2890686Y (en) * | 2005-11-21 | 2007-04-18 | 梁伟强 | Energy-saving stove with violent flame |
| CN201462993U (en) * | 2009-06-18 | 2010-05-12 | 杭州中欣不锈钢制品有限公司 | Cooker-leaving extinguishing device of commercial Chinese food sauting oven |
| CZ21767U1 (en) * | 2010-11-09 | 2011-02-14 | VVUÚ, a.s. | Explosion-proof backflow preventer |
| CN202221110U (en) * | 2011-08-19 | 2012-05-16 | 魏银锋 | Energy-saving fuel gas stove |
| CN204388144U (en) * | 2014-11-13 | 2015-06-10 | 北京金燃永兴节能环保厨房设备有限公司 | A kind of premix vortex energy-conserving and environment-protective auto extinguishing protection kitchen range |
| CN104455572A (en) * | 2014-12-01 | 2015-03-25 | 中煤科工集团重庆研究院有限公司 | One-way exhaust device for refuge chamber |
| CN206556015U (en) * | 2017-03-06 | 2017-10-13 | 汪薇 | A kind of energy-saving environmentally-friendly burner |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110542122A (en) * | 2019-08-31 | 2019-12-06 | 嘉兴瑛蔓贸易有限公司 | Novel sealed methane stove based on airflow |
| CN110542122B (en) * | 2019-08-31 | 2020-12-04 | 江西发扬实业有限公司 | Methane stove sealed based on airflow |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108036365B (en) | 2019-05-31 |
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Effective date of registration: 20210526 Address after: 152000 Suihua teachers' College, Beilin District, Suihua, Heilongjiang (Room 408, innovation and entrepreneurship base) Patentee after: Suihua Cheng Mei Sheng Shi Network Technology Co.,Ltd. Address before: Floor 1-2, unit 1, building 4, Wuhan daijiashan science and technology venture City, 888 Hanhuang Road, Jiang'an District, Wuhan City, Hubei Province, 430000 Patentee before: HUBEI ZHONGRUI TIANHENG ENERGY SAVING TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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Address after: 152000 Suihua teachers' College, Beilin District, Suihua, Heilongjiang (Room 408, innovation and entrepreneurship base) Patentee after: Heilongjiang Chengmei Shengshi Intellectual Property Operation Co.,Ltd. Address before: 152000 Suihua teachers' College, Beilin District, Suihua, Heilongjiang (Room 408, innovation and entrepreneurship base) Patentee before: Suihua Cheng Mei Sheng Shi Network Technology Co.,Ltd. |
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Effective date of registration: 20231226 Address after: 152015 Dongfu Industrial Park, economic development zone, Suihua City, Heilongjiang Province Patentee after: Suihua Jiamei plate making Co.,Ltd. Address before: 152000 Suihua teachers' College, Beilin District, Suihua, Heilongjiang (Room 408, innovation and entrepreneurship base) Patentee before: Heilongjiang Chengmei Shengshi Intellectual Property Operation Co.,Ltd. |