CN111578491A - Electric box assembly and air conditioner with same - Google Patents
Electric box assembly and air conditioner with same Download PDFInfo
- Publication number
- CN111578491A CN111578491A CN202010451685.7A CN202010451685A CN111578491A CN 111578491 A CN111578491 A CN 111578491A CN 202010451685 A CN202010451685 A CN 202010451685A CN 111578491 A CN111578491 A CN 111578491A
- Authority
- CN
- China
- Prior art keywords
- fire extinguishing
- plate
- electrical
- box body
- shaped structure
- 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
- 238000005192 partition Methods 0.000 claims description 18
- 239000012943 hotmelt Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000000155 melt Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 description 26
- 238000000034 method Methods 0.000 description 7
- 239000003507 refrigerant Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000010892 electric spark Methods 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- UKACHOXRXFQJFN-UHFFFAOYSA-N heptafluoropropane Chemical compound FC(F)C(F)(F)C(F)(F)F UKACHOXRXFQJFN-UHFFFAOYSA-N 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
- A62C35/10—Containers destroyed or opened by flames or heat
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention provides an electric box assembly and an air conditioner with the same, wherein the electric box assembly comprises a box body and an automatic fire extinguishing part, wherein the box body is provided with an accommodating cavity, and the accommodating cavity is used for installing electric elements; the automatic fire extinguishing portion is arranged in the box body and is at least one, the automatic fire extinguishing portion is arranged opposite to the electric appliance element, when fire occurs at any position of the electric appliance element, the position, opposite to the position where the fire occurs on the electric appliance element, of the automatic fire extinguishing portion is melted to form a fire extinguishing gas outlet, and fire extinguishing gas placed in the box body is sprayed out through the fire extinguishing gas outlet to extinguish the fire. The invention solves the problem of potential safety hazard of the electrical box in the prior art.
Description
Technical Field
The invention relates to the technical field of air conditioning equipment, in particular to an electric box assembly and an air conditioner with the same.
Background
Because of the requirements of the 'Bulgarian amendments', refrigerants with higher GWP values such as R410A and the like are gradually replaced, refrigerants with lower GWP values such as R290 and R32 and the like are increasingly used on household air conditioners, the refrigerants are generally flammable gases, and certain potential safety hazards exist when the refrigerants are used on the household air conditioners. On the other hand, the increasing of various safety functions and comfort functions of the household air conditioner leads to the increasing of the power of electronic components in the electric appliance box, electric sparks are easy to generate carelessly, once a refrigerant leaks into the electric appliance box and meets the electric sparks, dangers such as combustion, explosion and the like can occur, and serious losses are caused to lives and properties of indoor personnel. Therefore, the burning prevention or explosion prevention work of the electrical box is needed while the leakage of the refrigerant or the refrigerant entering the electrical box is effectively avoided.
Disclosure of Invention
The invention mainly aims to provide an electric box assembly and an air conditioner with the same, and aims to solve the problem of potential safety hazard of an electric box in the prior art.
In order to achieve the above object, according to one aspect of the present invention, there is provided an electrical box assembly including a box body and an automatic fire extinguishing part, wherein the box body has an accommodation chamber for mounting electrical components; the automatic fire extinguishing portion is arranged in the box body and is at least one, the automatic fire extinguishing portion is arranged opposite to the electric appliance element, when fire occurs at any position of the electric appliance element, the position, opposite to the position where the fire occurs on the electric appliance element, of the automatic fire extinguishing portion is melted to form a fire extinguishing gas outlet, and fire extinguishing gas placed in the box body is sprayed out through the fire extinguishing gas outlet to extinguish the fire.
Further, the automatic fire extinguishing unit includes a plate-shaped structure disposed opposite to the control board of the electric component, the plate-shaped structure being disposed on an inner surface of the case body opposite to the control board, and a first return flow channel for storing fire extinguishing gas being formed between the plate-shaped structure and the inner surface of the case body.
Furthermore, an annular bulge is arranged at the outer edge of the plate-shaped structure, a plurality of partitions are arranged in the middle of the plate-shaped structure, a first returning flow channel is enclosed between each two adjacent partitions and the box body, and the adjacent first returning flow channels are communicated.
Further, a plurality of partitions are arranged in parallel.
Further, a second return-type flow passage is formed in the middle of the plate-shaped structure and used for storing fire extinguishing gas.
Further, the plate-shaped structure is adhered to the inner surface of the box body, or the plate-shaped structure and the box body are integrally injection-molded.
Further, the plate-like structure is made of a hot melt material which automatically melts when exposed to an open flame of a predetermined temperature.
Further, the maximum distance between the plate-shaped structure and the electrical element is L1, wherein L1 is more than or equal to 20mm and less than or equal to 100 mm.
Further, the pressure of the fire extinguishing gas in the first return flow channel is more than two atmospheric pressures.
Furthermore, the total volume of the first return flow channel is V1, and the volume of the fire extinguishing gas in the first return flow channel is V2, wherein V2 is more than or equal to 0.8 XV 1.
Furthermore, m/L is more than or equal to 4, wherein m is the distance between adjacent partitions, and L is the width of a single partition.
In order to achieve the above object, according to one aspect of the present invention, there is provided an air conditioner including an electrical box assembly, wherein the electrical box assembly is the electrical box assembly.
By applying the technical scheme of the invention and adopting the automatic fire extinguishing part structure, when a fire occurs at any position of the electrical element, the automatic fire extinguishing part corresponding to the position where the fire occurs is melted due to high temperature generated by the fire, so that fire extinguishing gas is sprayed out through a fire extinguishing gas outlet formed after melting, and the fire extinguishing effect is realized. The automatic fire extinguishing part can realize point-to-point fire extinguishing effect, the fire extinguishing efficiency of automatic fire extinguishing is improved, and the safety of the electric box assembly is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 illustrates a schematic view of an internal structure of an electrical enclosure assembly according to an alternative embodiment of the present invention;
FIG. 2 illustrates a schematic structural view of a self-extinguishing section of the electrical enclosure assembly of FIG. 1;
fig. 3 shows a schematic diagram of the structure of the B-B view in fig. 2.
Wherein the figures include the following reference numerals:
10. a box body;
20. an automatic fire extinguishing unit;
21. a plate-like structure; 211. an annular projection; 212. separating;
22. a first return flow channel.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.
In order to solve the problem of potential safety hazard of an electric box in the prior art, the invention provides an electric box assembly and an air conditioner.
As shown in fig. 1 to 3, the electrical box assembly includes a box body 10 and an automatic fire extinguishing part 20, wherein the box body 10 has a receiving cavity for mounting electrical components; the automatic fire extinguishing unit 20 is disposed in the case 10, the automatic fire extinguishing unit 20 is at least one, the automatic fire extinguishing unit 20 is disposed opposite to the electric component, when a fire occurs at any position of the electric component, a portion of the automatic fire extinguishing unit 20 opposite to the position where the fire occurs in the electric component is melted to form a fire extinguishing gas outlet, and the fire extinguishing gas placed in the case 10 is ejected through the fire extinguishing gas outlet to extinguish the fire.
By applying the technical scheme of the invention and adopting the automatic fire extinguishing part structure, when a fire occurs at any position of the electrical element, the automatic fire extinguishing part corresponding to the position where the fire occurs is melted due to high temperature generated by the fire, so that fire extinguishing gas is sprayed out through a fire extinguishing gas outlet formed after melting, and the fire extinguishing effect is realized. The automatic fire extinguishing part can realize point-to-point fire extinguishing effect, the fire extinguishing efficiency of automatic fire extinguishing is improved, and the safety of the electric box assembly is improved.
As shown in fig. 1, first, second, and third in fig. 1 indicate installation positions of the automatic fire extinguishing unit 20 of the electric box assembly in the box body 10, and optionally, the automatic fire extinguishing unit 20 is attached to an inner wall surface of the box body 10 in an attached manner.
As shown in fig. 2, the automatic fire extinguishing unit 20 includes a plate-shaped structure 21, the plate-shaped structure 21 is disposed opposite to a control board of an electrical component, the plate-shaped structure 21 is disposed on an inner surface of the box body 10 opposite to the control board, a first return flow passage 22 is formed between the plate-shaped structure 21 and the inner surface of the box body 10, and the first return flow passage 22 is used for storing fire extinguishing gas. In this way, the first return flow channel 22 not only stores the fire suppressing gas, but also serves to guide and restrict the flow of the fire suppressing gas.
As shown in fig. 2 and 3, an annular protrusion 211 is disposed at an outer edge of the plate-shaped structure 21, a plurality of partitions 212 are disposed at a middle portion of the plate-shaped structure 21, a first mold return flow passage 22 is enclosed between two adjacent partitions and the box body 10, and the adjacent first mold return flow passages 22 are disposed in communication. Thus, the automatic fire extinguishing unit 20 is attached to the inner surface of the case body 10 by the annular protrusion 211 and the tops of the plurality of partitions 212.
Alternatively, the plate-like structure 21 is bonded to the inner surface of the case 10.
Optionally, hot melt adhesive is coated around the annular protrusion 211 of the automatic fire extinguishing unit 20 and on the top of the partitions 212, so that the automatic fire extinguishing unit 20 is closely attached to the inner surface of the box body 10 to form a first backflow passage 22 under the condition of being heated, and then high-pressure fire extinguishing gas, such as nitrogen, heptafluoropropane, carbon dioxide or ultra-fine dry powder, is injected from the air inlet of the automatic fire extinguishing unit 20, and then the air inlet is sealed.
Optionally, in the course of working of electrical apparatus box subassembly, with the mode processing electrical apparatus box subassembly of moulding plastics, also can directly mould plastics the internal surface of electrical apparatus box subassembly into the sealed chamber that has first time type runner 22 at the in-process of moulding plastics for automatic fire extinguishing portion 20 and box body 10 integrated into one piece have saved the process of pasting automatic fire extinguishing portion 20, have promoted the equipment convenience of electrical apparatus box subassembly greatly.
Optionally, a plurality of partitions 212 are arranged in parallel. Therefore, on one hand, the automatic fire extinguishing part 20 is convenient to process and manufacture, and on the other hand, the first return flow channel 22 formed by enclosing the two adjacent partitions and the box body 10 can play a good drainage role.
It should be noted that in an embodiment of the present application, which is not shown in the drawings, a second loop-shaped flow channel is optionally formed in the middle of the plate-shaped structure 21, and the second loop-shaped flow channel is used for storing fire extinguishing gas. Thus, since the second loop flow channel is directly formed in the middle of the plate structure 21, the problem that the sealing reliability of the automatic fire extinguishing unit 20 cannot be ensured due to the unstable adhesion of the automatic fire extinguishing unit 20 to the inner surface of the case 10 is avoided.
It should be noted that, in the present application, in order to ensure the fire extinguishing reliability of the automatic fire extinguishing unit 20, the plate-shaped structure 21 is optionally made of a hot melt material, which automatically melts when exposed to an open fire of a preset temperature.
Optionally, the maximum distance between the plate-like structure 21 and the electrical element is L1, wherein 20mm L1 mm 100 mm. In this way, by optimizing the maximum distance L1 between the plate-shaped structure 21 and the electrical component, the contact between the hot-melt material and the electrical component during melting due to the fact that the maximum distance L1 between the plate-shaped structure 21 and the electrical component is too small is avoided, and the increase of the fire extinguishing path of the fire extinguishing gas due to the fact that the maximum distance L1 between the plate-shaped structure 21 and the electrical component is too large can also be avoided.
In the present application, in order to ensure the fire extinguishing reliability of the automatic fire extinguishing unit 20 provided in the present application, the pressure of the fire extinguishing gas in the first return flow path 22 is preferably two atmospheres or more.
Optionally, the total volume of the first return flow channel 22 is V1, and the volume of the fire extinguishing gas in the first return flow channel 22 is V2, wherein V2 is 0.8 XV 1. In this way, by optimizing the relationship between the total volume of the first return flow channel 22 being V1 and the volume of the fire suppressing gas in the first return flow channel 22 being V2, it is ensured that the pressure of the fire suppressing gas in the first return flow channel 22 can satisfy the predetermined requirement.
Optionally, m/L is greater than or equal to 4, wherein m is the distance between adjacent partitions 212 and L is the width of a single partition 212. In this way, the fire extinguishing gas in the first return flow path 22 can be ensured to reach a desired fire extinguishing position in as short a time as possible, and the fluency of the first return flow path 22 can be ensured.
In addition to the foregoing, it should be noted that reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally throughout this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. An electrical enclosure assembly, comprising:
the box body (10), the box body (10) has a containing cavity, and the containing cavity is used for installing electrical components;
automatic fire extinguishing portion (20), automatic fire extinguishing portion (20) set up in box body (10), automatic fire extinguishing portion (20) is at least one, automatic fire extinguishing portion (20) with electrical components sets up relatively, works as when electrical components's optional position department takes place the condition of a fire, automatic fire extinguishing portion (20) with electrical components takes place the relative position in condition of a fire position and is melted in order to form the fire extinguishing gas export, place in fire extinguishing gas in box body (10) passes through the fire extinguishing gas export blowout is in order to put out the condition of a fire.
2. The electrical box assembly according to claim 1, wherein the automatic fire extinguishing portion (20) includes:
the fire extinguishing box comprises a plate-shaped structure (21), wherein the plate-shaped structure (21) is arranged opposite to a control board of the electrical element, the plate-shaped structure (21) is arranged on the inner surface, opposite to the control board, of the box body (10), a first return flow channel (22) is formed between the plate-shaped structure (21) and the inner surface of the box body (10), and the first return flow channel (22) is used for storing fire extinguishing gas.
3. The electrical box assembly according to claim 2, wherein an annular protrusion (211) is disposed at an outer edge of the plate-shaped structure (21), a plurality of partitions (212) are disposed at a middle portion of the plate-shaped structure (21), the first backflow passage (22) is enclosed between two adjacent partitions and the box body (10), and the adjacent first backflow passages (22) are communicatively disposed.
4. The electrical enclosure assembly of claim 3, wherein a plurality of the partitions (212) are arranged in parallel.
5. An electrical box assembly according to claim 2, characterized in that a second loop-shaped flow channel for storing fire extinguishing gas is formed in the middle of the plate-shaped structure (21).
6. The electrical box assembly according to claim 2, characterized in that the plate-shaped structure (21) is glued to the inner surface of the box body (10) or in that the plate-shaped structure (21) is injection molded integrally with the box body (10).
7. An electrical box assembly according to claim 2, characterised in that said plate-like structure (21) is made of a hot-melt material which melts automatically when subjected to an open flame of a preset temperature.
8. An appliance cartridge assembly according to claim 2, characterised in that the maximum distance of the plate-like structure (21) from the appliance element is L1, wherein 20mm ≦ L1 ≦ 100 mm.
9. The electrical enclosure assembly of claim 2, wherein a pressure of the fire suppressing gas within the first return flow passage (22) is greater than two atmospheres.
10. The electrical box assembly of claim 2, wherein the first return flow channel (22) has a total volume of V1 and the first return flow channel (22) has a volume of fire suppressing gas of V2, wherein V2 is 0.8 x V1.
11. The electrical box assembly of claim 3, wherein m/L is greater than or equal to 4, wherein m is a distance between adjacent partitions (212) and L is a width of a single partition (212).
12. An air conditioner comprising an appliance box assembly, wherein the appliance box assembly is the appliance box assembly of any one of claims 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010451685.7A CN111578491A (en) | 2020-05-25 | 2020-05-25 | Electric box assembly and air conditioner with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010451685.7A CN111578491A (en) | 2020-05-25 | 2020-05-25 | Electric box assembly and air conditioner with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111578491A true CN111578491A (en) | 2020-08-25 |
Family
ID=72125383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010451685.7A Pending CN111578491A (en) | 2020-05-25 | 2020-05-25 | Electric box assembly and air conditioner with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111578491A (en) |
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| CN205546287U (en) * | 2016-04-11 | 2016-08-31 | Tcl空调器(中山)有限公司 | Prevent fires automatically controlled box and air conditioner |
| US20170144005A1 (en) * | 2012-02-24 | 2017-05-25 | Job Lizenz Gmbh & Co. Kg | Fire protection device for small electrical devices |
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| WO2017209202A1 (en) * | 2016-06-01 | 2017-12-07 | ヤマトプロテック株式会社 | Aerosol fire-extinguishing device and electric control panel using same |
| CN108181873A (en) * | 2018-02-28 | 2018-06-19 | 成都金晶尚品科技有限公司 | A kind of electrical intelligent controlling device |
| CN207745438U (en) * | 2017-12-13 | 2018-08-21 | 陆峰 | Electrical cabinet carbon dioxide temperature-sensitive self-starting extinguishing device |
| CN108744348A (en) * | 2018-07-12 | 2018-11-06 | 宁波奥克斯电气股份有限公司 | A kind of air-conditioning automatic fire extinguisher and air conditioner |
| CN109999387A (en) * | 2019-04-30 | 2019-07-12 | 上海联捷消防科技有限公司 | A kind of mini extinguishing device |
| CN110446374A (en) * | 2019-08-12 | 2019-11-12 | 珠海格力电器股份有限公司 | Novel fireproof electrical box applied to air conditioner |
| CN210409349U (en) * | 2019-07-30 | 2020-04-28 | 江西清华实业有限公司 | Intelligent fire extinguisher controller |
| CN210583416U (en) * | 2019-07-10 | 2020-05-22 | 黄石祥宇轻工配件有限公司 | Refrigerator compressor relay cover |
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2020
- 2020-05-25 CN CN202010451685.7A patent/CN111578491A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170144005A1 (en) * | 2012-02-24 | 2017-05-25 | Job Lizenz Gmbh & Co. Kg | Fire protection device for small electrical devices |
| CN205546287U (en) * | 2016-04-11 | 2016-08-31 | Tcl空调器(中山)有限公司 | Prevent fires automatically controlled box and air conditioner |
| WO2017209202A1 (en) * | 2016-06-01 | 2017-12-07 | ヤマトプロテック株式会社 | Aerosol fire-extinguishing device and electric control panel using same |
| CN106913979A (en) * | 2017-02-27 | 2017-07-04 | 吕斌 | Self-extinguishing rod |
| CN207745438U (en) * | 2017-12-13 | 2018-08-21 | 陆峰 | Electrical cabinet carbon dioxide temperature-sensitive self-starting extinguishing device |
| CN108181873A (en) * | 2018-02-28 | 2018-06-19 | 成都金晶尚品科技有限公司 | A kind of electrical intelligent controlling device |
| CN108744348A (en) * | 2018-07-12 | 2018-11-06 | 宁波奥克斯电气股份有限公司 | A kind of air-conditioning automatic fire extinguisher and air conditioner |
| CN109999387A (en) * | 2019-04-30 | 2019-07-12 | 上海联捷消防科技有限公司 | A kind of mini extinguishing device |
| CN210583416U (en) * | 2019-07-10 | 2020-05-22 | 黄石祥宇轻工配件有限公司 | Refrigerator compressor relay cover |
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| CN110446374A (en) * | 2019-08-12 | 2019-11-12 | 珠海格力电器股份有限公司 | Novel fireproof electrical box applied to air conditioner |
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Application publication date: 20200825 |