CN108231345A - Safety type transformer babinet - Google Patents
Safety type transformer babinet Download PDFInfo
- Publication number
- CN108231345A CN108231345A CN201711284398.6A CN201711284398A CN108231345A CN 108231345 A CN108231345 A CN 108231345A CN 201711284398 A CN201711284398 A CN 201711284398A CN 108231345 A CN108231345 A CN 108231345A
- Authority
- CN
- China
- Prior art keywords
- fire
- smoke detector
- cavity
- extinguisher body
- tank 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
- 239000000779 smoke Substances 0.000 claims abstract description 45
- 230000017525 heat dissipation Effects 0.000 claims description 14
- 238000009413 insulation Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
-
- 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
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/40—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/025—Constructional details relating to cooling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/085—Cooling by ambient air
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses safety type transformer babinet, including：Babinet, fire extinguisher body, smoke detector and fire extinguishing sprayer；Fire extinguisher body is fixed on the top of babinet, the inside of babinet is formed with cavity, smoke detector and fire extinguishing sprayer are separately positioned on the top of cavity, fire extinguishing sprayer is connected with fire extinguisher body, solenoid valve is additionally provided on fire extinguishing sprayer, smoke detector is electrically connected respectively with solenoid valve and fire extinguisher body, when the smokescope that smoke detector is detected in cavity reaches the critical value of setting, smoke detector sends out useful signal to solenoid valve and fire extinguisher body, fire extinguisher body starts, and solenoid valve is opened.The safety type transformer babinet overcomes transformer-cabinet safety of the prior art poor, occur it is on fire when serious problems when, it can not carry out self-extinguishing, it needs that relevant staff's arrival scene is waited to put out a fire, the problem of not only missing best attack time, also may causing seriously to lose.
Description
Technical Field
The invention relates to the technical field of power supply corollary equipment, in particular to a safe transformer box body.
Background
The transformer is the important component of power supply system, be the device that utilizes electromagnetic induction's principle to change alternating voltage, generally place the transformer in transformer box and carry out work, the transformer can produce a large amount of heats when long-term operation, the box seals the thermal diffusivity poor, the interior high temperature of box must influence the normal operating of transformer, serious problems such as can take place to catch fire even, transformer box security among the prior art is relatively poor, when taking place serious problems such as catch fire, can't carry out the automatic fire extinguishing, need wait relevant staff arrival scene and put out a fire, not only wrong best time of putting out a fire, probably still can cause serious loss.
Therefore, the invention provides a safe transformer box body which can protect a transformer in the using process, has the function of automatic fire extinguishing and can prevent serious consequences caused by fire of the transformer.
Disclosure of Invention
Aiming at the technical problems, the invention aims to overcome the problems that the transformer box in the prior art has poor safety, can not automatically extinguish fire when serious problems such as fire occur, and the like, and related workers need to arrive at the site to extinguish the fire, so that the optimal fire extinguishing time is missed, and serious loss is possibly caused, thereby providing the safe transformer box which can protect the transformer in the using process, has the function of automatically extinguishing the fire, and can prevent serious consequences caused by fire of the transformer.
In order to achieve the above object, the present invention provides a safety type transformer tank, including: the fire extinguisher comprises a box body, a fire extinguisher body, a smoke detector and a fire extinguishing nozzle; the utility model discloses a fire extinguisher, including fire extinguisher body, smoke detector and fire extinguishing nozzle, the fire extinguisher body is fixed the top of box, the inside of box is formed with the cavity, smoke detector with the shower nozzle of putting out a fire sets up respectively the top of cavity, the shower nozzle of putting out a fire with fire extinguisher body communicates mutually, still be provided with the solenoid valve on the shower nozzle of putting out a fire, smoke detector respectively with the solenoid valve and fire extinguisher body electric connection smoke detector detects when smoke concentration in the cavity reaches the critical value of settlement, smoke detector send effective signal extremely the solenoid valve and fire extinguisher body, fire extinguisher body starts, and the solenoid valve is opened.
Preferably, the safety transformer tank further comprises: the alarm and the wireless module are respectively arranged at the top of the box body, the alarm is respectively and electrically connected with the smoke detector and the fire extinguisher body, and the alarm is connected with the background server through the wireless module; wherein, when the smoke detector detected smoke concentration in the cavity reached the critical value of settlement, the smoke detector sent effective signal extremely the alarm, the alarm sent alarm signal and through wireless module transmits extremely background server, background server also can send control command and pass through wireless module control the solenoid valve.
Preferably, an air duct is further arranged between the cavity and the outer side face of the box body, and two opposite outer side faces of the box body are respectively provided with a heat dissipation air port.
Preferably, the lower surface of the box body is recessed inwards to form a groove, a heat dissipation fan is arranged at the top of the groove, and an air outlet of the heat dissipation fan is arranged inside the air duct.
Preferably, support columns are respectively arranged on the periphery of the box body, and at least part of the support columns is fixed below the ground.
Preferably, the support column includes: the air pump is fixed inside the shell, a piston rod on the air pump is vertically arranged downwards, the bottom end of the piston rod is fixedly connected with the pointed head, and the pointed head can retract into or stretch out of the shell.
Preferably, a thread is arranged on the surface of the pointed head part, and a rotating part is further arranged between the pointed head part and the piston rod and can drive the pointed head part to rotate by taking the central shaft of the pointed head part as an axis.
Preferably, a top cover is arranged at the top of the box body, and the fire extinguisher body and the wireless module are respectively arranged inside the top cover.
Preferably, the inner surface of the top cover is provided with a thermal insulation layer.
Preferably, a box door is further arranged on one side of the box body, and a handle is arranged on the box door.
According to the technical scheme, when the safe transformer box body provided by the invention is used, the transformer is installed in the cavity of the box body, the smoke detector is used for detecting the smoke content in the cavity in real time, when the detected smoke content is larger than a set critical value, the fire hazard is judged, the smoke detector sends an effective signal to the electromagnetic valve and the fire extinguisher body, the fire extinguisher body is started, and the electromagnetic valve is opened, so that the fire of the cavity of the box body is extinguished, and the danger of damage, even explosion and the like of the transformer is prevented. The safe transformer box provided by the invention overcomes the problems that the transformer box in the prior art is poor in safety, the automatic fire extinguishing cannot be carried out when serious problems such as fire occur, and the like, related workers need to arrive at the site to extinguish the fire, the optimal fire extinguishing time is missed, and serious loss is possibly caused.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of the internal structure of a safety transformer tank provided in a preferred embodiment of the present invention;
FIG. 2 is a schematic diagram of a safety transformer tank provided in a preferred embodiment of the present invention;
fig. 3 is a schematic block diagram of fire suppression on a safety transformer tank provided in a preferred embodiment of the present invention.
Description of the reference numerals
1 case body 2 support column
21 casing 22 air pump
23 piston rod 24 tip
25 rotating member 3 heat dissipation air port
4 Top cover 5 door
6 handle 7 fire extinguisher body
8 air duct 9 cavity
10 groove 11 heat radiation fan
12 wireless module of fire extinguishing nozzle 13
14 smoke detector
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In the present invention, unless otherwise specified, the directional words "upper, lower, inner, outer" and the like included in the terms merely represent the orientation of the terms in a conventional use state or are colloquially understood by those skilled in the art, and should not be construed as limiting the terms.
As shown in fig. 1-3, the present invention provides a safety transformer tank, comprising: the fire extinguisher comprises a box body 1, a fire extinguisher body 7, a smoke detector 14 and a fire extinguishing nozzle 12; extinguisher body 7 is fixed the top of box 1, the inside of box 1 is formed with cavity 9, smoke detector 14 with fire extinguishing nozzle 12 sets up respectively the top of cavity 9, fire extinguishing nozzle 12 with extinguisher body 7 is linked together, still be provided with the solenoid valve on the fire extinguishing nozzle 12, smoke detector 14 respectively with the solenoid valve and extinguisher body 7 electric connection smoke detector 14 detects when smoke concentration in the cavity 9 reaches the critical value of settlement, smoke detector 14 sends effective signal extremely the solenoid valve and extinguisher body 7, extinguisher body 7 starts, and the solenoid valve is opened.
According to the technical scheme, when the safe transformer box body provided by the invention is used, the transformer is installed in the cavity 9 of the box body 1, the smoke detector 14 is used for detecting the smoke content in the cavity 9 in real time, when the detected smoke content is larger than a set critical value, the fire hazard is judged, the smoke detector 14 sends an effective signal to the electromagnetic valve and the fire extinguisher body 7, the fire extinguisher body 7 is started, and the electromagnetic valve is opened, so that the fire of the cavity 9 of the box body 1 is extinguished, and the danger of damage, even explosion and the like of the transformer is prevented. The safe transformer box provided by the invention overcomes the problems that the transformer box in the prior art is poor in safety, the automatic fire extinguishing cannot be carried out when serious problems such as fire occur, and the like, related workers need to arrive at the site to extinguish the fire, the optimal fire extinguishing time is missed, and serious loss is possibly caused.
In a preferred embodiment of the present invention, the safety transformer tank further comprises: the alarm and the wireless module 13 are respectively arranged at the top of the box body 1, the alarm is respectively and electrically connected with the smoke detector 14 and the fire extinguisher body 7, and the alarm is connected with the background server through the wireless module 13; when the smoke detector 14 detects that the smoke concentration in the cavity 9 reaches a set critical value, the smoke detector 14 sends an effective signal to the alarm, the alarm sends an alarm signal and transmits the alarm signal to the background server through the wireless module 13, and the background server can also send a control instruction and control the electromagnetic valve through the wireless module 13. When the danger in the box body 1 is detected, the alarm can transmit an alarm signal to the background server, so that a worker is timely informed to arrive at the site or remotely process, and the situation is prevented from deteriorating. The wireless module 13 may be a conventional 3G module, a 4G module, or the like.
In a preferred embodiment of the present invention, an air duct 8 is further disposed between the cavity 9 and the outer side surface of the box 1, heat dissipation air ports 3 are respectively disposed on two opposite outer side surfaces of the box 1, and the air duct 8 is communicated with the outside through the heat dissipation air ports, so that air in the air duct 8 keeps a circulating state, and flowing air can perform effective heat dissipation treatment on the cavity 9, thereby preventing the temperature inside the cavity 9 from being too high, which causes the transformer to fail to work normally, and certainly, the too high temperature is also one of the inducements of a fire, and the structure can also prevent the fire to a certain extent.
In a preferred embodiment of the present invention, the lower surface of the box 1 is recessed inwards to form a groove 10, a heat dissipation fan 11 is disposed at the top of the groove 10, an air outlet of the heat dissipation fan 11 is disposed inside the air duct 8, and the heat dissipation fan 11 can accelerate the flow velocity of air in the air duct 8, so as to improve the heat dissipation effect.
In a preferred embodiment of the present invention, support columns 2 are respectively disposed around the box body 1, the support columns 2 are at least partially fixed under the ground, and the support columns 2 are used for reinforcing the box body 1, so as to improve the stability of the box body 1.
In a preferred embodiment of the present invention, the support column 2 includes: casing 21, air pump 22 and prong 24, the air pump 22 is fixed the inside of casing 21, the vertical downward setting of piston rod 23 on the air pump 22, the bottom of piston rod 23 with prong 24 rigid coupling, just prong 24 can retract or stretch out casing 21, when using, on ground drill out with support column 2 matched with hole, then adjust the air pump 22, make the piston rod 23 extension, thereby will prong 24 inserts in the hole, can also utilize cement to fix support column 2 on ground when necessary, this structure can improve effectively the stability and the shock resistance of box 1.
In a preferred embodiment of the present invention, a thread is formed on the surface of the toe portion 24, a rotating member 25 is further disposed between the toe portion 24 and the piston rod 23, the rotating member 25 can drive the toe portion 24 to rotate about its central axis, and the toe portion 24 is rotated by the rotating member 25, so that the toe portion 24 can be easily inserted into the hole, and stability can be improved.
In a preferred embodiment of the present invention, a top cover 4 is provided on the top of the case 1, and the fire extinguisher body 7 and the wireless module 13 are respectively provided inside the top cover 4. The top cover 4 of the present invention is a triangular prism, so that it is possible to prevent rainwater from accumulating on the top cover 4, resulting in damage to the transformer inside the tank 1.
In order to further enhance the heat insulation effect of the top cover 4, in a preferred embodiment of the present invention, the inner surface of the top cover 4 is provided with a heat insulation layer, so that the temperature rise in the cavity 9 can be effectively prevented.
In a preferred embodiment of the present invention, a box door 5 is further disposed on one side of the box body 1, and a handle 6 is disposed on the box door 5, so that the structure facilitates an operator to assemble a transformer into the box body 1 and also facilitates maintenance of the transformer.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (10)
1. The utility model provides a safe type transformer tank which characterized in that, safe type transformer tank includes: the fire extinguisher comprises a box body (1), a fire extinguisher body (7), a smoke detector (14) and a fire extinguishing nozzle (12); extinguisher body (7) are fixed the top of box (1), the inside of box (1) is formed with cavity (9), smoke detector (14) with fire extinguishing nozzle (12) set up respectively the top of cavity (9), fire extinguishing nozzle (12) with extinguisher body (7) are linked together, still be provided with the solenoid valve on fire extinguishing nozzle (12), smoke detector (14) respectively with the solenoid valve and extinguisher body (7) electric connection smoke detector (14) detect when smoke concentration in cavity (9) reaches the critical value of settlement, smoke detector (14) send effective signal extremely the solenoid valve and extinguisher body (7), extinguisher body (7) start, and the solenoid valve is opened.
2. The safety transformer tank of claim 1, further comprising: the alarm and the wireless module (13) are respectively arranged at the top of the box body (1), the alarm is respectively and electrically connected with the smoke detector (14) and the fire extinguisher body (7), and the alarm is connected with the background server through the wireless module (13); wherein,
when the smoke detector (14) detects that the smoke concentration in the cavity (9) reaches a set critical value, the smoke detector (14) sends an effective signal to the alarm, the alarm sends an alarm signal and transmits the alarm signal to the background server through the wireless module (13), and the background server can also send a control instruction and control the electromagnetic valve through the wireless module (13).
3. The safety transformer tank body as claimed in claim 1, wherein an air duct (8) is further disposed between the cavity (9) and the outer side of the tank body (1), and two opposite outer sides of the tank body (1) are respectively provided with a heat dissipation air port (3).
4. The safety type transformer tank body as claimed in claim 3, wherein the lower surface of the tank body (1) is recessed inwards to form a groove (10), a heat dissipation fan (11) is arranged at the top of the groove (10), and an air outlet of the heat dissipation fan (11) is arranged inside the air duct (8).
5. The safety type transformer tank body according to claim 1, characterized in that supporting columns (2) are respectively arranged on the periphery of the tank body (1), and the supporting columns (2) are at least partially fixed under the ground.
6. The safety transformer tank according to claim 5, characterized in that the supporting column (2) comprises: casing (21), air pump (22) and prong portion (24), air pump (22) are fixed the inside of casing (21), piston rod (23) on air pump (22) set up vertically downwards, the bottom of piston rod (23) with prong portion (24) rigid coupling, just prong portion (24) can the retraction or stretch out casing (21).
7. The safety type transformer tank body according to claim 6, wherein a thread is arranged on the surface of the pointed head part (24), a rotating member (25) is further arranged between the pointed head part (24) and the piston rod (23), and the rotating member (25) can drive the pointed head part (24) to rotate around the central shaft of the rotating member as an axis.
8. The safety transformer tank body as claimed in claim 1, characterized in that a top cover (4) is arranged on the top of the tank body (1), and the fire extinguisher body (7) and the wireless module (13) are respectively arranged inside the top cover (4).
9. The safety transformer tank according to claim 8, characterized in that the inner surface of the top cover (4) is provided with a thermal insulation layer.
10. The safe transformer tank body according to claim 1, characterized in that a tank door (5) is further arranged on one side of the tank body (1), and a handle (6) is arranged on the tank door (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711284398.6A CN108231345A (en) | 2017-12-07 | 2017-12-07 | Safety type transformer babinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711284398.6A CN108231345A (en) | 2017-12-07 | 2017-12-07 | Safety type transformer babinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108231345A true CN108231345A (en) | 2018-06-29 |
Family
ID=62653855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711284398.6A Pending CN108231345A (en) | 2017-12-07 | 2017-12-07 | Safety type transformer babinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108231345A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110233021A (en) * | 2019-06-20 | 2019-09-13 | 许昌中天宇光电气技术有限公司 | A kind of stable transformer-cabinet with heat sinking function of installation |
| CN111490622A (en) * | 2020-05-25 | 2020-08-04 | 安徽诚诚机械有限公司 | Multifunctional box body assembly for generator |
| CN112827100A (en) * | 2021-01-27 | 2021-05-25 | 深圳市深龙达电器有限公司 | High-voltage self-protection distribution transformer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04259473A (en) * | 1991-02-14 | 1992-09-16 | Koatsu Gas Kogyo Kk | Automatic fire extinguishing facility for computer room of double floor construction |
| CN105977818A (en) * | 2016-06-23 | 2016-09-28 | 安徽富煌电控设备有限公司 | Automatic detection type box-type substation |
| CN205828057U (en) * | 2016-07-12 | 2016-12-21 | 江西劲能科技电子有限公司 | Novel box-type transformer |
| CN206116895U (en) * | 2016-08-31 | 2017-04-19 | 江西天昶电气科技有限公司 | Intelligent box -type substation |
| CN206377646U (en) * | 2016-12-24 | 2017-08-04 | 深圳市美力机电安装有限公司 | Boiler convenient to installation |
-
2017
- 2017-12-07 CN CN201711284398.6A patent/CN108231345A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04259473A (en) * | 1991-02-14 | 1992-09-16 | Koatsu Gas Kogyo Kk | Automatic fire extinguishing facility for computer room of double floor construction |
| CN105977818A (en) * | 2016-06-23 | 2016-09-28 | 安徽富煌电控设备有限公司 | Automatic detection type box-type substation |
| CN205828057U (en) * | 2016-07-12 | 2016-12-21 | 江西劲能科技电子有限公司 | Novel box-type transformer |
| CN206116895U (en) * | 2016-08-31 | 2017-04-19 | 江西天昶电气科技有限公司 | Intelligent box -type substation |
| CN206377646U (en) * | 2016-12-24 | 2017-08-04 | 深圳市美力机电安装有限公司 | Boiler convenient to installation |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110233021A (en) * | 2019-06-20 | 2019-09-13 | 许昌中天宇光电气技术有限公司 | A kind of stable transformer-cabinet with heat sinking function of installation |
| CN111490622A (en) * | 2020-05-25 | 2020-08-04 | 安徽诚诚机械有限公司 | Multifunctional box body assembly for generator |
| CN112827100A (en) * | 2021-01-27 | 2021-05-25 | 深圳市深龙达电器有限公司 | High-voltage self-protection distribution transformer |
| CN112827100B (en) * | 2021-01-27 | 2022-02-08 | 深圳市深龙达电器有限公司 | High-voltage self-protection distribution transformer |
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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: 20180629 |
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| RJ01 | Rejection of invention patent application after publication |