CN110882502A - Automatic fire extinguishing device for safety protection in distribution box - Google Patents
Automatic fire extinguishing device for safety protection in distribution box Download PDFInfo
- Publication number
- CN110882502A CN110882502A CN201911150770.3A CN201911150770A CN110882502A CN 110882502 A CN110882502 A CN 110882502A CN 201911150770 A CN201911150770 A CN 201911150770A CN 110882502 A CN110882502 A CN 110882502A
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- fire extinguishing
- fire
- support frame
- safety protection
- motor
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Links
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 40
- 239000007921 spray Substances 0.000 claims description 24
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 20
- 239000001569 carbon dioxide Substances 0.000 claims description 20
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 239000000779 smoke Substances 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005507 spraying Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 2
- 238000012876 topography Methods 0.000 abstract 1
- 235000019504 cigarettes Nutrition 0.000 description 6
- 239000000843 powder Substances 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000005526 G1 to G0 transition Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Images
Classifications
-
- 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
- A62C31/00—Delivery of fire-extinguishing material
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention provides an automatic fire extinguishing device for safety protection in a distribution box, which relates to the technical field of distribution safety and aims to solve the problems that the automatic fire extinguishing device can only extinguish fire in fixed direction and fixed point, when a small-range fire point appears, the fire point is difficult to extinguish when the small-range fire point is indicated due to incorrect angle or incorrect height, the fire range is possibly expanded, and the fire is difficult to control, and comprises a box body; a support frame is vertically and upwards fixedly arranged in the middle of the plane at the top of the box body; the support frame is provided with a fire extinguishing mechanism. The invention provides an automatic fire extinguishing device for safety protection in a distribution box, which is characterized in that an uneven wave slope is transversely connected to the top plane of the front end of a backing plate, when a motor rotates, a traveling wheel can be driven to rotate, and in the traveling process, a shaft sleeve and a buffer spring can drive a spraying pipe part to move up and down according to the bottom topography, so that spraying fire extinguishment at different heights can be conveniently carried out, and the fire extinguishing effect is improved.
Description
Technical Field
The invention relates to the technical field of power distribution safety, in particular to an automatic fire extinguishing device for safety protection in a distribution box.
Background
In factory operation and household circuits, especially corridor circuits, burning often occurs due to overload of electrical components in a distribution box caused by aging of lines and the like, and once the distribution box is electrified and a large number of plastic parts are arranged, the distribution box is easy to diffuse along with the lines to cause great economic loss.
In the existing distribution box, an automatic fire extinguishing function is required, for example, a distribution box with a fire extinguishing function in patent application CN 201820008024.5. The fire extinguishing box comprises a box body, wherein electrical elements are arranged in the box body, gas fire extinguishing devices with the same structure are arranged on two sides of the box body, a dry powder fire extinguishing device is arranged above the box body, a control box is arranged at one end of the dry powder fire extinguishing device, a central processing unit is arranged in the control box, and the central processing unit is connected with a sensing device arranged in the box body; the vent pipe and the powder outlet pipe are respectively provided with an electromagnetic valve and are respectively connected with the central processor. The utility model has the advantages of simple structure and reasonable design, set up two kinds of different extinguishing device on the block terminal, through gaseous and dry powder dual mode reinforcing to the circuit treatment of putting out a fire, realize automatic fire extinguishing through central controller simultaneously, improve fire extinguishing efficiency to set up alarm device and arouse attention, in time fight a fire, reduce the loss.
The automatic fire extinguishing device in the existing distribution box mainly comprises four parts, namely a detector (a heat energy detector, a flame detector and a smoke detector), a fire extinguisher (a carbon dioxide extinguishing device), a digital temperature control alarm and a communication module, wherein the automatic fire extinguishing device can only carry out fixed-direction and fixed-point fire extinguishing, when a small-range fire point appears, the small-range fire point is indicated to be difficult to extinguish for a moment due to the fact that angles are not right or heights are not right, and the fire range is likely to be enlarged so as to be difficult to control.
Disclosure of Invention
Problem (A)
In summary, the invention provides an automatic fire extinguishing device for safety protection in a distribution box, which solves the problem that the automatic fire extinguishing device can only extinguish fire in fixed direction and fixed point, and when a small-range fire point appears, the fire point is difficult to extinguish when being indicated due to incorrect angle or incorrect height, so that the fire range is possibly expanded and is difficult to control.
(II) technical scheme
The invention provides an automatic fire extinguishing device for safety protection in a distribution box, which specifically comprises the following components: a box body; a support frame is vertically and upwards fixedly arranged in the middle of the plane at the top of the box body; the fire extinguishing mechanism is arranged on the supporting frame; a base plate is transversely arranged at the edge of the front end of the box body; an emergency power supply is fixedly mounted on the top plane of the rear end of the box body.
Preferably, the support frame includes that slide rail and cigarette feel the sensor, the whole portal column structure that is of support frame, the middle part transverse connection of support frame has the slide rail, the planar left end in top of support frame and right-hand member fixed mounting have the cigarette respectively to feel the sensor, and the cigarette is felt the microcontroller in sensor and the emergency power supply and is connected through the electrical property.
Preferably, the backing plate comprises a wave slope, and the plane at the top of the front end of the backing plate is transversely connected with the rugged wave slope.
Preferably, the fire extinguishing mechanism includes carbon dioxide storage tank, electromagnetism spray tube, injection pipe, slider and motor, the slider sliding connection of fire extinguishing mechanism through fixed mounting on the dorsal plane is on the slide rail of support frame, the motor is installed to the lower extreme of fire extinguishing mechanism, the perpendicular upwards fixed mounting in top plane middle part of motor has the electromagnetism spray tube, install the injection pipe perpendicularly on the lateral wall before the lower extreme of electromagnetism spray tube, carbon dioxide storage tank fixed mounting is in the box of support frame rear end, the upper end of electromagnetism spray tube is connected through hose fixed with the carbon dioxide storage tank.
Preferably, the mechanism of putting out a fire still includes walking wheel, guide bar, axle sleeve and buffer spring, motor top lower extreme rotates through the level of slowing down and is connected with the walking wheel, the left end and the right-hand member of the upper end roof of motor are connected with the guide bar respectively perpendicularly, the guide bar slides and cup joints in the axle sleeve of the vertical installation of the mechanism left end of putting out a fire and right-hand member, cup jointed buffer spring on the guide bar between axle sleeve and the motor.
Preferably, the lower end of the travelling wheel is tangent to the top surface of the wave slope on the base plate.
(III) advantageous effects
The invention provides an automatic fire extinguishing device for safety protection in a distribution box, which is characterized in that a rugged wave slope is transversely connected to the top plane of the front end of a backing plate, the lower end of the top end of a motor is horizontally and rotatably connected with traveling wheels through speed reduction, the left end and the right end of the top plate of the upper end of the motor are respectively and vertically connected with guide rods, the guide rods are slidably sleeved in shaft sleeves vertically arranged at the left end and the right end of a fire extinguishing mechanism, and buffer springs are sleeved on the guide rods between the shaft sleeves and the motor.
The invention provides an automatic fire extinguishing device for safety protection in a distribution box, wherein a fire extinguishing mechanism is connected to a sliding rail of a support frame in a sliding mode through a sliding block fixedly installed on a back plane, a motor is installed at the lower end of the fire extinguishing mechanism, an electromagnetic spray pipe is vertically and upwards fixedly installed in the middle of the top plane of the motor, a spray pipe is vertically installed on the front side wall of the lower end of the electromagnetic spray pipe, a carbon dioxide storage tank is fixedly installed in a box body at the rear end of the support frame, the upper end of the electromagnetic spray pipe is connected with the carbon dioxide storage tank through a hose fixed phase, and when a fire breaks out, the electromagnetic spray pipe can be controlled to be opened, so that carbon dioxide in the carbon.
Drawings
FIG. 1 is a schematic view of the right front upper axial view in an embodiment of the present invention;
FIG. 2 is a schematic top-rear-left axial view in accordance with an embodiment of the present invention;
FIG. 3 is a front right lower axial view in an embodiment of the present invention;
FIG. 4 is a schematic view of an enlarged portion of FIG. 3 in accordance with an embodiment of the present invention;
FIG. 5 is a schematic front view of an embodiment of the present invention;
FIG. 6 is an axial view of the case in an removed state according to an embodiment of the present invention;
FIG. 7 is a partial front axial view of the fire extinguishing mechanism in an embodiment of the present invention;
FIG. 8 is a schematic rear-view perspective view of a portion of a fire extinguishing mechanism in an embodiment of the present invention;
in fig. 1 to 8, the correspondence between the part names or lines and the reference numbers is:
1. a box body; 2. a support frame; 201. a slide rail; 202. a smoke sensor; 3. a base plate; 301. a wave slope; 4. a fire extinguishing mechanism; 401. a carbon dioxide storage tank; 402. an electromagnetic nozzle; 403. an injection pipe; 404. a slider; 405. a motor; 406. a traveling wheel; 407. a guide bar; 408. a shaft sleeve; 409. a buffer spring; 5. an emergency power supply.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Please refer to fig. 1 to 8.
In order to solve the problems that the automatic fire extinguishing device for safety protection in the distribution box in the prior art can only perform directional and fixed-point fire extinguishing, when a small-range fire point appears, the small-range fire point is indicated to be difficult to extinguish for a moment due to incorrect angle or incorrect height, and the fire range is possibly expanded to be difficult to control, the invention provides the automatic fire extinguishing device for safety protection in the distribution box, which comprises: a box body 1; the middle part of the top plane of the box body 1 is vertically and upwards fixedly provided with a support frame 2; the support frame 2 is provided with a fire extinguishing mechanism 4; a backing plate 3 is transversely arranged at the edge of the front end of the box body 1; an emergency power supply 5 is fixedly arranged on the top plane of the rear end of the box body 1.
Wherein, support frame 2 includes that slide rail 201 and cigarette feel sensor 202, and support frame 2 is whole to be portal column structure, and the middle part transverse connection of support frame 2 has slide rail 201, and support frame 2's top planar left end and right-hand member fixed mounting have the cigarette respectively and feel sensor 202, and the cigarette feels sensor 202 and microcontroller in emergency power source 5 is connected through the electrical property, can be used to the condition in the perception block terminal, when taking place the phenomenon of catching fire, can report to the police immediately.
Wherein, backing plate 3 includes wave slope 301, and the transverse connection has unevenness wave slope 301 on the front end top plane of backing plate 3.
Wherein, fire extinguishing mechanism 4 includes carbon dioxide storage tank 401, electromagnetism spray tube 402, injection pipe 403, slider 404 and motor 405, fire extinguishing mechanism 4 is through fixed mounting's slider 404 sliding connection on the dorsal plane on slide rail 201 of support frame 2, motor 405 is installed to the lower extreme of fire extinguishing mechanism 4, the perpendicular upwards fixed mounting in top plane middle part of motor 405 has electromagnetism spray tube 402, install injection pipe 403 on the lateral wall before the lower extreme of electromagnetism spray tube 402 perpendicularly, carbon dioxide storage tank 401 fixed mounting is in the box 1 of support frame 2 rear end, the upper end of electromagnetism spray tube 402 passes through the hose stationary phase with carbon dioxide storage tank 401 and is connected, when on fire, steerable electromagnetism spray tube 402 is opened, make carbon dioxide in the carbon dioxide storage tank 401 spout from injection pipe 403, put out a fire to the interior fire source of block terminal.
Wherein, fire extinguishing mechanism 4 still includes walking wheel 406, guide bar 407, axle sleeve 408 and buffer spring 409, motor 405 top lower extreme rotates through the level that slows down and is connected with walking wheel 406, the left end and the right-hand member of motor 405's upper end roof are connected with guide bar 407 respectively perpendicularly, guide bar 407 slides and cup joints in the axle sleeve 408 of the vertical installation of fire extinguishing mechanism 4 left end and right-hand member, cup joint buffer spring 409 on the guide bar 407 between axle sleeve 408 and the motor 405, when motor 405 rotates, can drive walking wheel 406 and rotate, and at the in-process of walking, axle sleeve 408 and buffer spring 409 can drive injection pipe 403 part and carry out upper and lower displacement according to the bottom relief, so that carry out the not high injection and put out a fire, improve fire extinguishing effect.
Wherein the lower end of the road wheel 406 is tangent to the top surface of the wave slope 301 on the base plate 3, so that the road wheel 406 can pass through a wave-shaped path.
The specific use mode and function of the embodiment are as follows:
when the emergency power supply is used, the support frame 2 is integrally of a portal structure, the middle of the support frame 2 is transversely connected with the sliding rail 201, the left end and the right end of the top plane of the support frame 2 are respectively and fixedly provided with the smoke sensor 202, the smoke sensor 202 is electrically connected with the microcontroller in the emergency power supply 5, the smoke sensor 202 can be used for sensing the condition in the distribution box, and when a fire occurs, an alarm can be given immediately;
when a fire breaks out, because the fire extinguishing mechanism 4 is connected to the sliding rail 201 of the supporting frame 2 in a sliding manner through the sliding block 404 fixedly installed on the back plane, the lower end of the fire extinguishing mechanism 4 is provided with the motor 405, the middle part of the top plane of the motor 405 is vertically and upwards fixedly provided with the electromagnetic spray pipe 402, the front side wall of the lower end of the electromagnetic spray pipe 402 is vertically provided with the spray pipe 403, the carbon dioxide storage tank 401 is fixedly installed in the box body 1 at the rear end of the supporting frame 2, the upper end of the electromagnetic spray pipe 402 is fixedly connected with the carbon dioxide storage tank 401 through the hose, the electromagnetic spray pipe 402 can be controlled to be opened, so that the carbon dioxide in the carbon dioxide storage tank 401 is sprayed out from the spray pipe 403 to extinguish the fire source in the distribution box, the lower end of the top end of the motor 405 is connected with the traveling wheels 406 through horizontal rotation in a speed reduction manner, the left end and the, the buffer spring 409 is sleeved on the guide rod 407 between the shaft sleeve 408 and the motor 405, when the motor 405 rotates, the walking wheel 406 can be driven to rotate, and in the walking process, the shaft sleeve 408 and the buffer spring 409 can drive the spraying pipe 403 to move up and down according to the bottom terrain, so that spraying at different heights is facilitated, and the fire extinguishing effect is improved.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (6)
1. The utility model provides an automatic fire extinguishing device that safety protection used in block terminal which characterized in that includes: a box body (1); the middle part of the top plane of the box body (1) is vertically and upwards fixedly provided with a support frame (2); the support frame (2) is provided with a fire extinguishing mechanism (4); a base plate (3) is transversely arranged at the edge of the front end of the box body (1); an emergency power supply (5) is fixedly mounted on the top plane of the rear end of the box body (1).
2. The automatic fire extinguishing device for safety protection in distribution box according to claim 1, characterized in that the support frame (2) comprises a sliding rail (201) and a smoke sensor (202), the support frame (2) is integrally of a portal-shaped structure, the sliding rail (201) is transversely connected to the middle of the support frame (2), the smoke sensor (202) is fixedly mounted at the left end and the right end of the top plane of the support frame (2) respectively, and the smoke sensor (202) is electrically connected with the microcontroller in the emergency power supply (5).
3. The automatic fire extinguishing apparatus for safety protection in a distribution box according to claim 1, wherein the backing plate (3) comprises a wave slope (301), and the front top plane of the backing plate (3) is transversely connected with the wave slope (301) with unevenness.
4. The automatic fire extinguishing apparatus for safety protection in electric distribution boxes according to claim 1, the fire extinguishing mechanism (4) comprises a carbon dioxide storage tank (401), an electromagnetic spray pipe (402), a spray pipe (403), a slide block (404) and a motor (405), the fire extinguishing mechanism (4) is connected on the sliding rail (201) of the supporting frame (2) in a sliding way through a sliding block (404) fixedly arranged on the back plane, the lower end of the fire extinguishing mechanism (4) is provided with a motor (405), the middle part of the top plane of the motor (405) is vertically and upwards fixedly provided with an electromagnetic spray pipe (402), an injection pipe (403) is vertically arranged on the front side wall of the lower end of the electromagnetic injection pipe (402), the carbon dioxide storage tank (401) is fixedly arranged in the box body (1) at the rear end of the support frame (2), the upper end of the electromagnetic spray pipe (402) is fixedly connected with the carbon dioxide storage tank (401) through a hose.
5. The automatic fire extinguishing device for safety protection in distribution box according to claim 1 or 4, characterized in that, the fire extinguishing mechanism (4) further comprises a walking wheel (406), a guide rod (407), a shaft sleeve (408) and a buffer spring (409), the lower end of the top end of the motor (405) is connected with the walking wheel (406) through horizontal rotation at a speed reduction level, the left end and the right end of the top plate at the upper end of the motor (405) are respectively and vertically connected with the guide rod (407), the guide rod (407) is sleeved in the shaft sleeve (408) vertically installed at the left end and the right end of the fire extinguishing mechanism (4) in a sliding manner, and the buffer spring (409) is sleeved on the guide rod (407) between the shaft sleeve (408) and the motor (405).
6. The automatic fire extinguishing apparatus for safety protection in an electric distribution box according to claim 1, wherein the lower end of the traveling wheel (406) is tangent to the top surface of the wave slope (301) on the backing plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911150770.3A CN110882502B (en) | 2019-11-21 | 2019-11-21 | Automatic fire extinguishing device for safety protection in distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911150770.3A CN110882502B (en) | 2019-11-21 | 2019-11-21 | Automatic fire extinguishing device for safety protection in distribution box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110882502A true CN110882502A (en) | 2020-03-17 |
| CN110882502B CN110882502B (en) | 2020-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911150770.3A Active CN110882502B (en) | 2019-11-21 | 2019-11-21 | Automatic fire extinguishing device for safety protection in distribution box |
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| Country | Link |
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| CN (1) | CN110882502B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113150960A (en) * | 2021-02-07 | 2021-07-23 | 滨州职业学院 | Medical clinical microbiological detection sampling device |
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| CN205882474U (en) * | 2016-08-08 | 2017-01-11 | 国家电网公司 | Low vibrations type block terminal of fire prevention |
| JP2017204939A (en) * | 2016-05-12 | 2017-11-16 | 株式会社古河テクノマテリアル | Fire protection structure, construction method of fire protection structure |
| CN109174493A (en) * | 2018-10-05 | 2019-01-11 | 苏州市铭将意电子科技有限公司 | A kind of electronic components spray-painting plant and application method |
| CN109462160A (en) * | 2018-12-04 | 2019-03-12 | 徐州允升电控科技有限公司 | A kind of distribution box with automatic fire-extinguishing function |
| CN110463581A (en) * | 2019-09-09 | 2019-11-19 | 刘冬冬 | A kind of environment-friendly type greening lawn Irrigation shower head |
-
2019
- 2019-11-21 CN CN201911150770.3A patent/CN110882502B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017204939A (en) * | 2016-05-12 | 2017-11-16 | 株式会社古河テクノマテリアル | Fire protection structure, construction method of fire protection structure |
| CN205882474U (en) * | 2016-08-08 | 2017-01-11 | 国家电网公司 | Low vibrations type block terminal of fire prevention |
| CN109174493A (en) * | 2018-10-05 | 2019-01-11 | 苏州市铭将意电子科技有限公司 | A kind of electronic components spray-painting plant and application method |
| CN109462160A (en) * | 2018-12-04 | 2019-03-12 | 徐州允升电控科技有限公司 | A kind of distribution box with automatic fire-extinguishing function |
| CN110463581A (en) * | 2019-09-09 | 2019-11-19 | 刘冬冬 | A kind of environment-friendly type greening lawn Irrigation shower head |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113150960A (en) * | 2021-02-07 | 2021-07-23 | 滨州职业学院 | Medical clinical microbiological detection sampling device |
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| Publication number | Publication date |
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| CN110882502B (en) | 2020-12-08 |
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Effective date of registration: 20201120 Address after: 065000 Langfang city of Hebei province Guangyang District No. 105 Xinhua Road Applicant after: LANGFANG POWER SUPPLY COMPANY, STATE GRID JIBEI ELECTRIC POWER Co.,Ltd. Applicant after: STATE GRID CORPORATION OF CHINA Address before: 310018 China University of metrology, Xiasha Higher Education Zone, Hangzhou, Jianggan District, Zhejiang Applicant before: Yang Feng |
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