CN110671938A - High-safety gallium oxide high-temperature calcining furnace - Google Patents
High-safety gallium oxide high-temperature calcining furnace Download PDFInfo
- Publication number
- CN110671938A CN110671938A CN201910950740.4A CN201910950740A CN110671938A CN 110671938 A CN110671938 A CN 110671938A CN 201910950740 A CN201910950740 A CN 201910950740A CN 110671938 A CN110671938 A CN 110671938A
- Authority
- CN
- China
- Prior art keywords
- furnace
- door
- rod
- warning
- furnace body
- 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
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any preceding group
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/16—Oxides
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D1/00—Casings; Linings; Walls; Roofs
- F27D1/18—Door frames; Doors, lids, removable covers
- F27D1/1858—Doors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
- F27D2021/0057—Security or safety devices, e.g. for protection against heat, noise, pollution or too much duress; Ergonomic aspects
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a high-safety gallium oxide high-temperature calcining furnace, and mainly relates to the field of power distribution equipment. Including a high security gallium oxide high temperature is forged and is smelted stove, including forging stove and guard gate, it includes furnace body and furnace gate to temper the stove, the guard gate includes the connecting plate, the linkage board, drive board and bracing piece, the connecting plate top is rotated with bracing piece one end and is connected, the connecting plate bottom is rotated with bracing piece one end and is connected, the bracing piece other end is rotated with the linkage board top and is connected, the bracing piece other end is rotated with the linkage board bottom and is connected, the linkage board top is rotated with the connecting rod and is connected, the linkage board bottom rotates with the connecting rod to be connected, the connecting rod other end rotates with the drive board top to be connected, the linkage board top is provided with the fixed block, the inboard top of furnace body is provided with the magnet rubidium that. The invention has the beneficial effects that: and warning a user in advance whether the external temperature of the gallium oxide high-temperature calcining furnace is too high.
Description
Technical Field
The invention relates to the field of an exercise furnace, in particular to a high-safety gallium oxide high-temperature calcining furnace.
Background
The preparation of gallium oxide is mostly obtained by high-temperature calcination, and the process flow is as follows: to gallium trichloride GaCl3Adding NaHCO into the hot water solution3The high-concentration hot aqueous solution of (4) is boiled until all the gallium hydroxide precipitates. Washing the precipitate with hot water until free of Cl-Until the calcination at 600 ℃ or higher, beta-Ga is obtained2O3. And the gallium oxide needs to be calcined in a high-temperature calcining furnace to realize the preparation of the gallium oxide. The laboratory gallium oxide high-temperature calcining furnace is generally a table-top type device. The square box body structure is used, and the door is arranged at the front end of the box body structure, so that materials can be conveniently placed into the box body structure.
Because of the red colour of the steel material at 600 c, iron appears dark brown between 500 c and 600 c, but this is not obvious because the temperature outside the furnace is not too high. Many times people can not directly see that the iron temperature is higher, once equipment goes wrong the outside temperature rise, the user touches the furnace door 2 under the unprotected condition very easily, leads to bodily injury.
Disclosure of Invention
The invention aims to provide a high-safety gallium oxide high-temperature calcining furnace, which warns a user in advance whether the external temperature of the gallium oxide high-temperature calcining furnace is too high.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a high-safety gallium oxide high-temperature calcining furnace, which comprises a calcining furnace and a protective door,
the exercise furnace comprises a furnace body and a furnace door, wherein a door opening is formed in the front of the furnace body, the furnace door is hinged to one side of the door opening of the furnace body, the furnace door is matched with the door opening, a heat-insulating door is further arranged in the furnace door 2, a high-temperature hearth is arranged in the heat-insulating door, and a protective door is arranged between the furnace door 2 and the heat-insulating door;
the protective door comprises a connecting plate, a linkage plate, a driving plate and a supporting rod, the connecting plate is fixed inside the furnace body and arranged in parallel with the door opening, the supporting rod comprises a first supporting rod, a second supporting rod, a third supporting rod and a fourth supporting rod, the top end of the connecting plate is rotationally connected with one end of the first supporting rod, the bottom end of the connecting plate is rotationally connected with one end of the second supporting rod, the other end of the first supporting rod is rotationally connected with the top end of the linkage plate, the other end of the second supporting rod is rotationally connected with the bottom end of the linkage plate, the top end of the linkage plate is rotationally connected with a third connecting rod, the bottom end of the linkage plate is rotationally connected with a fourth connecting rod, the other end of the third connecting rod is rotationally connected with the top end of the driving plate, the other end of the fourth connecting rod is rotationally connected with the bottom end of the, the top end of the linkage plate is provided with a fixed block, the fixed block is made of ferromagnetic materials, the top of the inner side of the furnace body is provided with a rubidium magnet for attracting the linkage plate, and the linkage plate is in contact with the bottom of the rubidium magnet when located at an upper limit position.
The guard gate still includes the synchronizing bar, the synchronizing bar includes first synchronizing bar, second synchronizing bar and third synchronizing bar, the one end of first synchronizing bar, the one end of second synchronizing bar and the one end of third synchronizing bar are articulated each other and are formed first pivot, the one end that first pivot was kept away from to first synchronizing bar rotates with the connecting plate to be connected, the one end that first pivot was kept away from to the second synchronizing bar rotates with the linkage board to be connected, the one end that first pivot was kept away from to the third synchronizing bar rotates with the drive board to be connected, the synchronizing bar is good conductor material processing.
The anti-splash net is arranged on the protective door and made of good conductive materials, and the anti-splash net is fixed on the connecting plate, the linkage plate and the driving plate.
Still include warning device, warning device is including rotating seat, warning pole and balancing weight, it is close to top surface edge to rotate the seat setting at the furnace body top, it is provided with the rotating pin to rotate the seat, the parallel and furnace body top surface setting of rotating pin axis, the rotating pin sets up the one side at the furnace body, warning pole middle part is connected with the rotating pin rotation on rotating the seat, the one end fixedly connected with balancing weight that stretches out furnace body top profile when warning pole is in horizontal position, the warning pole is made for ferromagnetic material, works as the warning pole body of rod passes through rubidium magnet when warning pole level is placed the top and contacts with the furnace body top.
The surface of the warning rod is provided with a red coating.
And an annular warning ring coaxial with the warning rod is fixedly arranged outside the warning rod.
Compared with the prior art, the invention has the beneficial effects that:
and a protective door is arranged between the furnace door 2 and the heat preservation door. The inside of the heat preservation door is a hearth of the calcining furnace, and the heat preservation door is closed when the heat preservation door is used, so that the temperature in the furnace body cannot be discharged in a large amount. Under the normal condition linkage board contacts with rubidium magnet bottom when being in last extreme position, and the furnace gate setting is in the outside, and the temperature between furnace gate and the heat preservation door can rise fast when furnace body high temperature appears, if the temperature between furnace gate and the heat preservation door is too high more than two hours, the phenomenon of demagnetization can appear to the rubidium magnet.
The guard gate should be the state of packing up under normal condition, the fixed block can be inhaled by rubidium magnet, and the guard gate just can not be opened like this, if the demagnetization condition appears in the rubidium magnet, the rubidium magnet just can not effectively attract the fixed block, and the guard gate will be opened like this. Meanwhile, the warning rod can also be lifted up to remind a user of paying attention to safety when the furnace door is opened.
Drawings
FIG. 1 is a schematic perspective view of the structure of the present invention showing an over-temperature condition.
Fig. 2 is a schematic structural perspective view of the present invention in a normal state.
Reference numerals shown in the drawings:
1. a furnace body; 2. a furnace door; 3. a door opening; 4. a connecting plate; 5. a linkage plate; 6. driving the plate; 7. a support bar; 8. a synchronization lever; 9. a rubidium magnet; 10. a first support bar; 11. a second support bar; 12. a third support bar; 13. a fourth support bar; 14. a first synchronization lever; 15. a second synchronizing bar; 16. a third synchronizing bar; 17. a fixed block; 18. a splash-proof net; 19. a rotating seat; 20. a warning lever; 21. a balancing weight; 22. and a warning ring.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
Example (b): the utility model provides a high security gallium oxide high temperature is forged and is smelted stove, includes forge stove, guard gate and alarm device, forge the stove and include furnace body 1 and furnace gate 2, furnace body 1 is square cavity panel beating casing, open 1 the place ahead of furnace body has door opening 3, furnace gate 2 is articulated with 1 door opening 3 one side of furnace body, furnace gate 2 cooperatees with door opening 3, furnace gate 2 keeps away from to be provided with the handle with the articulated outside when being in furnace gate 2 of furnace body 1 and closes. And a heat-insulating door is also arranged in the furnace door 2, and a high-temperature hearth is arranged in the heat-insulating door. And a protective door is arranged between the furnace door 2 and the heat preservation door.
The protective door comprises a connecting plate 4, a linkage plate 5, a driving plate 6, a supporting rod 7 and a synchronizing rod 8, the connecting plate 4 is fixed inside the furnace body 1 and close to the door opening 3, the supporting rod 7 comprises a first supporting rod 10, a second supporting rod 11, a third supporting rod 12 and a fourth supporting rod 13, the top end of the connecting plate 4 is rotatably connected with one end of the first supporting rod 10, the bottom end of the connecting plate 4 is rotatably connected with one end of the second supporting rod 11, the other end of the first supporting rod 10 is rotatably connected with the top end of the linkage plate 5, the other end of the second supporting rod 11 is rotatably connected with the bottom end of the linkage plate 5, the top end of the linkage plate 5 is rotatably connected with a third connecting rod, the bottom end of the linkage plate 5 is rotatably connected with a fourth connecting rod, the other end of the third connecting rod is rotatably connected with the top end of the driving plate, the connecting plate 4, the linkage plate 5 and the driving plate 6 are parallel to each other, the first connecting rod and the second connecting rod are arranged in parallel, the third connecting rod and the fourth connecting rod are arranged in parallel,
when the linkage plate 5 moves up and down, the horizontal distance between the connecting plate 4 and the linkage plate 5 can be directly changed, and the driving plate 6 can only move horizontally under the influence of the bottom plate of the furnace body 1, so that the distance between the connecting plate 4, the linkage plate 5 and the driving plate 6 is changed through the up-and-down movement of the linkage plate 5, the opening movement of the protective door is realized,
the synchronous rod 8 comprises a first synchronous rod 14, a second synchronous rod 15 and a third synchronous rod 16, one end of the first synchronous rod 14, one end of the second synchronous rod 15 and one end of the third synchronous rod 16 are hinged with each other to form a first rotating shaft, one end of the first synchronous rod 14, far away from the first rotating shaft, is rotatably connected with the connecting plate 4, one end of the second synchronous rod 15, far away from the first rotating shaft, is rotatably connected with the linkage plate 5, one end of the third synchronous rod 16, far away from the first rotating shaft, is rotatably connected with the driving plate 6, the mechanism freedom degree of the whole guard door is one, the other parts can only realize movement in one direction under the driving of the linkage plate 5, when the linkage plate 5 moves downwards, the connecting plate 4 and the driving plate 6 are driven to move in the direction far away from the linkage plate 5, when the linkage plate 5 moves upwards, the connecting plate 4 and the driving plate 6 are driven to move in the direction close to the linkage plate 5, at the moment, the driving plate 6 can not generate sliding friction with the bottom plate of the furnace body 1, so that the protective door can be opened.
The connecting plate 4, the linkage plate 5, the driving plate 6, the supporting rod 7 and the synchronizing rod 8 are made of good conductor materials, the connecting plate 4, the linkage plate 5, the driving plate 6, the supporting rod 7 and the synchronizing rod 8 are made of copper, a fixing block 17 is arranged at the top end of the linkage plate 5, the fixing block 17 is made of ferromagnetic materials, the fixing block 17 is made of carbon structural steel, a rubidium magnet 9 used for attracting the linkage plate 5 is arranged at the top of the inner side of the furnace body 1, the linkage plate 5 is in contact with the bottom of the rubidium magnet 9 when located at an upper limit position, the magnetic pole of the rubidium magnet 9 is in the vertical direction, the top of the rubidium magnet 9 is fixedly connected with the inner upper edge of the furnace body 1, the magnetism of the rubidium magnet 9 can penetrate through the shell of the furnace body 1, the warning rod 20 is attracted while attracting the linkage plate 5, the rubidium magnet 9 is arranged between the furnace door 2 and the heat-preserving, when the temperature is too high, the rubidium magnet 9 can generate a high-temperature demagnetization phenomenon and a non-magnetic state, and the originally attracted linkage plate 5 loses attraction and falls down by self gravity, so that the whole protective door is opened.
Be provided with splash guard 18 on the guard gate, splash guard 18 uses the red copper wire to compile into the line and then compiles into the net, splash guard 18 mesh aperture is 1 centimetre, splash guard 18 divide into two parts, splash guard 18 first part horizontal direction both ends are respectively through using the brazing on connecting plate 4 and linkage plate 5, splash guard 18 second part horizontal direction both ends are respectively through using the brazing on linkage plate 5 and drive board 6.
The warning device comprises a rotating seat 19, a warning rod 20 and a balancing weight 21, the rotating seat 19 is arranged at the top of the furnace body 1 near the edge of the top surface, the middle part of the warning rod 20 is rotationally connected with the rotating seat 19, one end of the warning rod 20 extending out of the top outline of the furnace body 1 when the warning rod is in a horizontal position is fixedly connected with a balancing weight 21, when no external force is applied, the weight member 21 will drive the warning rod 20 to rotate until the weight member 21 is stable at the bottom, the warning rod 20 is made of carbon steel, when the warning rod 20 is horizontally arranged, the rod body of the warning rod 20 is contacted with the top surface of the furnace body 1, when the warning rod 20 is horizontally arranged, the rod body of the warning rod 20 passes through the upper part of the rubidium magnet 9, the warning rod 20 can be attracted by the rubidium magnet 9, the surface of the warning rod 20 is provided with a red coating, a warning ring 22 coaxial with the warning rod 20 is fixedly arranged outside the warning rod 20,
and a protective door is arranged between the furnace door 2 and the heat preservation door. The inside of the heat preservation door is a hearth of the calcining furnace, and the heat preservation door is closed when the heat preservation door is used, so that the temperature in the furnace body cannot be discharged in a large amount. The furnace door 2 sets up in the outside, and the temperature between furnace door 2 and the heat preservation door can rise fast when appearing the furnace body high temperature, if the temperature between furnace door 2 and the heat preservation door is too high more than two hours, the phenomenon of demagnetization can appear in rubidium magnet 9.
The guard gate should be the state of packing up under normal condition, fixed block 17 can be held by rubidium magnet 9, and the guard gate just can not be opened like this, if the demagnetization condition appears in rubidium magnet 9, rubidium magnet 9 just can not effectively attract fixed block 17, and the guard gate will be opened like this. At the same time, the warning rod 20 will also be lifted, so as to remind the user to pay attention to safety when opening the oven door 2.
Claims (6)
1. The utility model provides a high security gallium oxide high temperature calcining furnace which characterized in that: comprises a forging furnace and a protective door,
the exercise furnace comprises a furnace body and a furnace door, wherein a door opening is formed in the front of the furnace body, the furnace door is hinged to one side of the door opening of the furnace body, the furnace door is matched with the door opening, a heat-insulating door is further arranged in the furnace door 2, a high-temperature hearth is arranged in the heat-insulating door, and a protective door is arranged between the furnace door 2 and the heat-insulating door;
the protective door comprises a connecting plate, a linkage plate, a driving plate and a supporting rod, the connecting plate is fixed inside the furnace body and arranged in parallel with the door opening, the supporting rod comprises a first supporting rod, a second supporting rod, a third supporting rod and a fourth supporting rod, the top end of the connecting plate is rotationally connected with one end of the first supporting rod, the bottom end of the connecting plate is rotationally connected with one end of the second supporting rod, the other end of the first supporting rod is rotationally connected with the top end of the linkage plate, the other end of the second supporting rod is rotationally connected with the bottom end of the linkage plate, the top end of the linkage plate is rotationally connected with a third connecting rod, the bottom end of the linkage plate is rotationally connected with a fourth connecting rod, the other end of the third connecting rod is rotationally connected with the top end of the driving plate, the other end of the fourth connecting rod is rotationally connected with the bottom end of the, the top end of the linkage plate is provided with a fixed block, the fixed block is made of ferromagnetic materials, the top of the inner side of the furnace body is provided with a rubidium magnet for attracting the linkage plate, and the linkage plate is in contact with the bottom of the rubidium magnet when located at an upper limit position.
2. The high-safety gallium oxide high-temperature calcining furnace according to claim 1, characterized in that: the guard gate still includes the synchronizing bar, the synchronizing bar includes first synchronizing bar, second synchronizing bar and third synchronizing bar, the one end of first synchronizing bar, the one end of second synchronizing bar and the one end of third synchronizing bar are articulated each other and are formed first pivot, the one end that first pivot was kept away from to first synchronizing bar rotates with the connecting plate to be connected, the one end that first pivot was kept away from to the second synchronizing bar rotates with the linkage board to be connected, the one end that first pivot was kept away from to the third synchronizing bar rotates with the drive board to be connected, the synchronizing bar is good conductor material processing.
3. The high-safety gallium oxide high-temperature calcining furnace according to claim 2, characterized in that: the anti-splash net is arranged on the protective door and made of good conductive materials, and the anti-splash net is fixed on the connecting plate, the linkage plate and the driving plate.
4. The high-safety gallium oxide high-temperature calcining furnace according to claim 1, characterized in that: still include warning device, warning device is including rotating seat, warning pole and balancing weight, it is close to top surface edge to rotate the seat setting at the furnace body top, it is provided with the rotating pin to rotate the seat, the parallel and furnace body top surface setting of rotating pin axis, the rotating pin sets up the one side at the furnace body, warning pole middle part is connected with the rotating pin rotation on rotating the seat, the one end fixedly connected with balancing weight that stretches out furnace body top profile when warning pole is in horizontal position, the warning pole is made for ferromagnetic material, works as the warning pole body of rod passes through rubidium magnet when warning pole level is placed the top and contacts with the furnace body top.
5. The high-safety gallium oxide high-temperature calcining furnace according to claim 4, characterized in that: the surface of the warning rod is provided with a red coating.
6. The high-safety gallium oxide high-temperature calcining furnace according to claim 4, characterized in that: and an annular warning ring coaxial with the warning rod is fixedly arranged outside the warning rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910950740.4A CN110671938A (en) | 2019-10-08 | 2019-10-08 | High-safety gallium oxide high-temperature calcining furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910950740.4A CN110671938A (en) | 2019-10-08 | 2019-10-08 | High-safety gallium oxide high-temperature calcining furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110671938A true CN110671938A (en) | 2020-01-10 |
Family
ID=69080908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910950740.4A Pending CN110671938A (en) | 2019-10-08 | 2019-10-08 | High-safety gallium oxide high-temperature calcining furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110671938A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111228673A (en) * | 2020-01-22 | 2020-06-05 | 王磊 | Intelligent spraying and isolating device for building fireproof escape channel |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201666735U (en) * | 2010-03-08 | 2010-12-08 | 台技工业设备股份有限公司 | Heat insulation door device of heating device |
| CN105057554A (en) * | 2015-09-02 | 2015-11-18 | 四川金锋建设有限公司 | Method for automatically opening or closing forging furnace |
| CN207162634U (en) * | 2017-08-18 | 2018-03-30 | 天津普饶电子有限公司 | Door for microwave oven provided with microwave shielding structure |
| CN109787120A (en) * | 2019-02-28 | 2019-05-21 | 国网江西省电力有限公司鹰潭供电分公司 | A kind of electric power safety leakage protection device |
-
2019
- 2019-10-08 CN CN201910950740.4A patent/CN110671938A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201666735U (en) * | 2010-03-08 | 2010-12-08 | 台技工业设备股份有限公司 | Heat insulation door device of heating device |
| CN105057554A (en) * | 2015-09-02 | 2015-11-18 | 四川金锋建设有限公司 | Method for automatically opening or closing forging furnace |
| CN207162634U (en) * | 2017-08-18 | 2018-03-30 | 天津普饶电子有限公司 | Door for microwave oven provided with microwave shielding structure |
| CN109787120A (en) * | 2019-02-28 | 2019-05-21 | 国网江西省电力有限公司鹰潭供电分公司 | A kind of electric power safety leakage protection device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111228673A (en) * | 2020-01-22 | 2020-06-05 | 王磊 | Intelligent spraying and isolating device for building fireproof escape channel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206284915U (en) | For the baking tray drag-out device of baking box | |
| CN110671938A (en) | High-safety gallium oxide high-temperature calcining furnace | |
| CN109589010B (en) | Cooking mode control device and frying and roasting device capable of automatically setting working mode | |
| CN204418831U (en) | A kind of electric control lock | |
| CN205214944U (en) | Full -automatic electric rice cooker mechanical structure | |
| CN105257119A (en) | Lock structure for drawer | |
| CN204950623U (en) | Pressure oven of area lock | |
| US2582666A (en) | Electric farm gate | |
| AU2021103667A4 (en) | High-safety Gallium Oxide High-Temperature Calcining Furnace | |
| CN208024154U (en) | A kind of electricity steam box door lock assembly | |
| CN207940576U (en) | A kind of household automatic curtain | |
| CN207080627U (en) | It is a kind of for the electromagnetic valve of meal braizing machine, casing cover and meal braizing machine inner bladder cover | |
| CN204511084U (en) | A kind of electronic lock for cabinet | |
| CN206000085U (en) | The skylight that automatically resets of data center machine room cold passage | |
| CN209121862U (en) | A kind of electric cooker magnetic switch and electric cooker | |
| CN109989643A (en) | A kind of electricity steam box door lock | |
| CN201608700U (en) | Adjustable magnetic induction switch | |
| CN209629052U (en) | A kind of antitheft file cabinet | |
| CN204233007U (en) | A kind of Multifunctional shovel | |
| CN207019119U (en) | A kind of electromagnetic oven for being easy to cleaning | |
| CN206514350U (en) | A kind of safe micro-wave oven easy to use | |
| CN201798573U (en) | Internal buckling type locking mechanism | |
| CN209343427U (en) | A kind of guarding against theft type is got tickets case | |
| CN221222749U (en) | Fire door device for boiler | |
| CN204275072U (en) | A kind of retaining mechanism of pressure sterilizing container |
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 |
Application publication date: 20200110 |
|
| RJ01 | Rejection of invention patent application after publication |