CN107708368A - One kind can the intelligent outdoor communication cabinet of rain-proof fireproof - Google Patents
One kind can the intelligent outdoor communication cabinet of rain-proof fireproof Download PDFInfo
- Publication number
- CN107708368A CN107708368A CN201711137587.0A CN201711137587A CN107708368A CN 107708368 A CN107708368 A CN 107708368A CN 201711137587 A CN201711137587 A CN 201711137587A CN 107708368 A CN107708368 A CN 107708368A
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- CN
- China
- Prior art keywords
- cabinet
- rain
- proof
- shell body
- motor
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- 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.)
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Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
Abstract
Can the intelligent outdoor communication cabinet of rain-proof fireproof the invention discloses one kind, including cabinet and rain-proof curtain, the side of the cabinet is connected through the hinge and has cabinet door, and top cover is connected with the top of cabinet, GPS locator and MS5100 Smoke Sensors are fixed with the madial wall of the cabinet door, and GPS locator is located at the side of MS5100 Smoke Sensors, the side of the top cover is provided with water receiving case, and the inner bottom of water receiving case is provided with SD3851 liquid level sensors, magnetic patch is provided with two symmetric sides of the cabinet, shell body and bar radiating hole, and bar radiating hole is between magnetic patch and shell body, one end inside the shell body is provided with KS02Y controllers and motor, and KS02Y controllers are located at the side of motor.The present invention is provided with water receiving case and SD3851 liquid level sensors and mechanism of keeping off the rain, and mechanism of keeping off the rain includes KS02Y controllers, rain-proof curtain and motor, detects the water level in water receiving case by SD3851 liquid level sensors, and feed back to KS02Y controllers.
Description
Technical field
The invention belongs to mobile communication cabinet technical field, and in particular to one kind can the intelligent outdoor communication of rain-proof fireproof
Cabinet.
Background technology
Outdoor communication cabinet is one kind of outdoor cabinet, refers to and is directly under the influence of natural climate, by metal or nonmetallic
Made of material, do not allow lack of competence operator to enter the cabinet of operation, be radio communication website or cable network site works
The equipment for the outdoor physical working environment of offer and the security system of standing, outdoor communication cabinet is using heat exchanger as heat dissipation equipment
Temperature control element, using inside and outside completely isolated air channel, by the radiating mode of the core, heat exchanger transmission heat mutually completely cut off.Heat
The selection of exchanger will select according to the caloric value of outdoor communication cabinet internal unit.
At present, existing outdoor communication cabinet is predominantly disposed in outdoor, and rainwater easily enters cabinet from heat emission hole during the rainy day
Inside, so as to easily causing cabinet internal short circuits, make cabinet can not normal work, in addition, traditional outdoor communication cabinet
During generation fire, staff can not obtain the particular geographic location of cabinet immediately, be unfavorable for fire prevention fire fighting in time.
The content of the invention
It is an object of the invention to provide one kind can the intelligent outdoor communication cabinet of rain-proof fireproof, to solve above-mentioned background
It is proposed that existing outdoor communication cabinet is predominantly disposed in outdoor in technology, rainwater easily enters in cabinet from heat emission hole during the rainy day
Portion, so as to easily causing cabinet internal short circuits, make cabinet can not normal work the problem of.
To achieve the above object, the present invention provides following technical scheme：One kind can the intelligent outdoor communication of rain-proof fireproof
Rack, including cabinet and rain-proof curtain, the side of the cabinet, which is connected through the hinge, cabinet door, and top is connected with the top of cabinet
Cover, be fixed with GPS locator and MS5100 Smoke Sensors on the madial wall of the cabinet door, and GPS locator is located at MS5100
The side of Smoke Sensor, the side of the top cover is provided with water receiving case, and the inner bottom of water receiving case is provided with SD3851 liquid
Level sensor, magnetic patch, shell body and bar radiating hole, and bar radiating hole are provided with two symmetric sides of the cabinet
Between magnetic patch and shell body, one end inside the shell body is provided with KS02Y controllers and motor, and KS02Y is controlled
Device processed is located at the side of motor, and one end of the motor is connected with rolling curtain roller by axis of rotation, and the one of the rain-proof curtain
End is fixed on rolling curtain roller, and the bottom of the rain-proof curtain other end through shell body is connected with limited block, and the limited block is positioned at outer
The lower section of housing, and the side on limited block close to cabinet is fixed with iron block, the travel switch installed on the cabinet is located at cabinet
Between body and cabinet door, the travel switch includes flexible button, contiguous block, T-shaped piece and fixed seat, and fixed seating and pressed in flexible
The side of button, the bottom of the flexible button is located at the inside of travel switch, and the side of flexible button is fixed with contiguous block, institute
State the installation of fixed seat side T-shaped piece is located at contiguous block side, and the inside of the cabinet offers equipment compartment and battery flat, and sets
Standby freight space on the top of battery flat, two symmetrical madial walls of the equipment compartment in being respectively and fixedly provided with mounting bracket, and equipment compartment is interior
Portion top is provided with illuminating lamp, and the output end of the MS5100 Smoke Sensors is connected with the input of PIC12C508 single-chip microcomputers,
The input of the output ends of the PIC12C508 single-chip microcomputers and mixed-media network modules mixed-media connects, the output end of the mixed-media network modules mixed-media with it is long-range
The input connection of terminal, the output end of the SD3851 liquid level sensors is connected with the input of KS02Y controllers, described
The output end of KS02Y controllers and the input of motor are connected, and the illuminating lamp is electrically connected with travel switch, the GPS
Locator is electrically connected with the battery set inside battery flat.
Preferably, bar shaped jack is offered on the contiguous block.
Preferably, the mixed-media network modules mixed-media is based on ICP/IP protocol.
Preferably, the mixed-media network modules mixed-media uses GPRS network or GSM network.
Preferably, described T-shaped piece is connected with fixed seat by axis of rotation.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) of the invention, there is provided water receiving case and SD3851 liquid level sensors and mechanism of keeping off the rain, mechanism of keeping off the rain includes
KS02Y controllers, rain-proof curtain and motor, the water level in water receiving case is detected by SD3851 liquid level sensors, and fed back to
KS02Y controllers, control motor forward/backward rotation to realize release and winding rain-proof curtain by KS02Y controllers, and then prevent rainwater
Enter from heat emission hole in cabinet, be advantageous to ensure that cabinet runs well.
(2) of the invention, there is provided magnetic patch and iron block, magnetic patch is located on cabinet side, and iron block is arranged on limited block, works as gear
The curtain of rain unclasps out when freely hanging down, and is held iron block by the magnetic force of magnetic patch, so that rain-proof curtain is tightly covered on heat emission hole,
Prevent wind-force from raising rain-proof curtain, be advantageous to rain-proof.
The present invention, there is provided travel switch, and by the opening and closing of illuminating lamp in travel switch switch board body, and travel switch is set
Put between cabinet door and cabinet, switched with pressing stroke to realize to unclamp by cabinet door, so as to realize opening and closing illuminating lamp, kept away
Exempt from night be not easy to find luminous lamp switch, facilitate staff's night to overhaul.
(3) it is of the invention, be provided with component of turning off the light manually on travel switch, component of turning off the light manually include contiguous block, T-shaped piece
And fixed seat, when daytime, maintenance did not needed illuminating lamp, you can component of manually turning off the light closes illuminating lamp, avoids wasting electric energy
Source.
(4) it is of the invention, it is real-time by MS5100 Smoke Sensors there is provided MS5100 Smoke Sensors and GPS locator
Cabinet internal aerosol amount is monitored, and feeds back to PIC12C508 single-chip microcomputers, is passed again by mixed-media network modules mixed-media by PIC12C508 single-chip microcomputers
Remote terminal is passed, when amount of smoke exceedes setting value in cabinet, rack is positioned by GPS locator, it is convenient timely
Determine the particular location of rack and go to check before sending staff, be advantageous to fire prevention fire fighting in time.
Brief description of the drawings
Fig. 1 is the outside drawing of the present invention；
Fig. 2 is the expanded view of cabinet door of the present invention；
Fig. 3 is the right view of the present invention；
Fig. 4 is the a-quadrant enlarged drawing of the present invention；
Fig. 5 is the structural representation of travel switch of the present invention；
Fig. 6 is the theory diagram one of the present invention；
Fig. 7 is the theory diagram two of the present invention；
Fig. 8 is the structural representation of limited block of the present invention；
In figure：1- cabinets；2- cabinet doors；3- top covers；4- water receiving casees；5-SD3851 liquid level sensors；6-GPS locators；7-
MS5100 Smoke Sensors；8- illuminating lamps；9- mounting brackets；10- equipment compartments；11- battery flats；12- magnetic patch；13- limited blocks；14-
Rain-proof curtain；15- shell bodies；16-KS02Y controllers；17- rolling curtain rollers；18- motor；19- bar radiating holes；20- strokes are opened
Close；21- stretches button；22- contiguous blocks；23-T type blocks；24- fixed seats；25-PIC12C508 single-chip microcomputers；26- mixed-media network modules mixed-medias；
27- remote terminals；28- iron blocks.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-8 are referred to, the present invention provides a kind of technical scheme：One kind can the intelligent outdoor communication of rain-proof fireproof
Cabinet, including cabinet 1 and rain-proof curtain 14, the side of cabinet 1, which is connected through the hinge, cabinet door 2, and the top of cabinet 1 is connected with top cover
3, GPS locator 6 and MS5100 Smoke Sensors 7 are fixed with the madial wall of cabinet door 2, and GPS locator 6 is located at MS5100 cigarettes
The side of mist sensor 7, MS5100 Smoke Sensors 7 are responsible for the amount of smoke inside detection cabinet 1 and to feed back to PIC12C508 mono-
Piece machine 25, the side of top cover 3 is provided with water receiving case 4, and the inner bottom of water receiving case 4 is provided with SD3851 liquid level sensors 5,
SD3851 liquid level sensors 5 are used to detect the amount of liquid in water receiving case 4, and magnetic patch is provided with two symmetric sides of cabinet 1
12nd, shell body 15 and bar radiating hole 19, and bar radiating hole 19 passes through magnetic patch 12 between magnetic patch 12 and shell body 15
Magnetic holds the iron block 28 on limited block 13, so as to prevent rain-proof curtain 14 from being raised by wind, one end installation inside shell body 15
There are KS02Y controllers 16 and motor 18, and KS02Y controllers 16 are located at the side of motor 18, one end of motor 18 leads to
Cross axis of rotation and be connected with rolling curtain roller 17, one end of rain-proof curtain 14 is fixed on rolling curtain roller 17, and the other end of rain-proof curtain 14 passes through
The bottom of shell body 15 is connected with limited block 13, and limited block 13 is used to limit rain-proof curtain 14 completely into shell body 15, is easy to pine
Rain-proof curtain 14 is put and winds, limited block 13 is located at the lower section of shell body 15, and the side on limited block 13 close to cabinet 1 is fixed with
Iron block 28, the travel switch 20 installed on cabinet 1 between cabinet 1 and cabinet door 2, be easy to be opened and closed illuminating lamp 8 by travel switch 20,
Travel switch 20 includes flexible button 21, contiguous block 22, T-shaped piece 23 and fixed seat 24, and fixed seat 24 and is located at flexible button 21
Side, the bottom of flexible button 21 be located at the inside of travel switch 20, and the side for the button 21 that stretches is fixed with contiguous block 22,
T-shaped piece 23 of the side of fixed seat 24 installation is located at the side of contiguous block 22, and the inside of cabinet 1 offers equipment compartment 10 and battery flat
11, and equipment compartment 10 is located at the top of battery flat 11, and mounting bracket 9 is respectively and fixedly provided with two symmetrical madial walls of equipment compartment 10, and
The inner tip of equipment compartment 10 is provided with illuminating lamp 8, output end and the PIC12C508 single-chip microcomputers 25 of MS5100 Smoke Sensors 7
Input connection, the output end of PIC12C508 single-chip microcomputers 25 is connected with the input of mixed-media network modules mixed-media 26, mixed-media network modules mixed-media 26 it is defeated
Go out end to be connected with the input of remote terminal 27, the output end of SD3851 liquid level sensors and the input of KS02Y controllers 16
Connection, the output end of KS02Y controllers 16 are connected with the input of motor 18, and illuminating lamp 8 is electrically connected with travel switch 20,
The battery that GPS locator 6 is set with the inside of battery flat 11 is electrically connected with.
In order that contiguous block 22 is passed through for T-shaped piece 23, in the present embodiment, it is preferred that bar shaped jack is offered on contiguous block 22.
In order to ensure the safety and stability of signal transmission, in the present embodiment, it is preferred that mixed-media network modules mixed-media 26 is based on TCP/
IP agreement.
For the ease of transmission signal, in the present embodiment, it is preferred that mixed-media network modules mixed-media 26 uses GPRS network or GSM network.
For turning T-type block 23, in the present embodiment, it is preferred that T-shaped piece 23 is connected with fixed seat 24 by axis of rotation.
The operation principle and process for using of the present invention：Communication equipment is arranged on two mounting brackets 9 in equipment compartment 10,
Battery is arranged in battery flat 11 again, is connected PIC12C508 single-chip microcomputers 25 with remote terminal 27 by mixed-media network modules mixed-media 26,
And circuit is connected, switch on power, cabinet 1 is started working, and when night servicing machine cabinet, cabinet door 2 is opened, on travel switch 20
Flexible button 21 is released, so that the circuit of illuminating lamp 8 is switched on, the electrified light emitting of illuminating lamp 8, photograph is provided for staff
It is bright, after maintenance is good, cabinet door 2 is shut, flexible button 21 is pressed by cabinet door 2, is cut off the circuit of illuminating lamp 8, illuminating lamp 8 is then
Extinguish, when maintenance on daytime rack need not illuminate, Manual press stretch button 21, and drive contiguous block 22 is along T-shaped piece of 23 directions
It is mobile, make T-shaped piece 23 through the bar shaped jack on contiguous block 22, then rotate T-shaped piece 23, make T-shaped piece 23 to be hung down with contiguous block 22
Directly, so as to prevent flexible button 21 from unclamping, and then manual-lock illuminating lamp 8 is realized, saves electric energy, meanwhile, pass through MS5100
Smoke Sensor 7 detects the amount of smoke inside cabinet 1, and feeds back to PIC12C508 single-chip microcomputers 25, by PIC12C508 single-chip microcomputers
25 pass to remote terminal 27 again by mixed-media network modules mixed-media 26, and staff can be grasped inside cabinet 1 in real time by remote terminal 27
Smoke condition, during amount of smoke exception inside cabinet 1, abnormal rack is positioned by GPS locator 6, and in time
Go to check before sending staff, be advantageous to fire prevention fire fighting in time, when the rainy day, rainwater falls into water receiving case 4, passes through SD3851 liquid
Level sensor 5 detects water, and feeds back to KS02Y controllers 16, controls motor 18 to work by KS02Y controllers 16, leads to
Crossing the work of motor 18 drives rolling curtain roller 17 to reversely rotate, and so as to unclasp rain-proof curtain 14, the rain-proof curtain 14 of expansion hangs down naturally, when
When limited block 13 is dropped at magnetic patch 12, the iron block 28 on limited block 13 is held by the magnetic of magnetic patch 12, so that keeping off the rain
Curtain 14 is fitted in the side of bar radiating hole 19, is advantageous to prevent rain-proof curtain 14 from being raised under the action of the forces of the wind, works as SD3851
When liquid level sensor 5 can't detect water, KS02Y controllers 16 control motor 18 to work, and are worked and driven by motor 18
Rolling curtain roller 17 rotates forward, and so as to realize winding rain-proof curtain 14, and then prevents rainwater from entering from bar radiating hole 19 in cabinet 1.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. one kind can the intelligent outdoor communication cabinet of rain-proof fireproof, including cabinet (1) and rain-proof curtain (14), it is characterised in that：
The side of the cabinet (1), which is connected through the hinge, cabinet door (2), and top cover (3), the cabinet door are connected with the top of cabinet (1)
(2) GPS locator (6) and MS5100 Smoke Sensors (7) are fixed with madial wall, and GPS locator (6) is located at MS5100
The side of Smoke Sensor (7), the side of the top cover (3) is provided with water receiving case (4), and the inner bottom of water receiving case (4) is set
SD3851 liquid level sensors (5) are equipped with, magnetic patch (12), shell body are provided with two symmetric sides of the cabinet (1)
(15) and bar radiating hole (19), and bar radiating hole (19) is located between magnetic patch (12) and shell body (15), the shell body
(15) internal one end is provided with KS02Y controllers (16) and motor (18), and KS02Y controllers (16) are located at motor
(18) side, one end of the motor (18) are connected with rolling curtain roller (17) by axis of rotation, the rain-proof curtain (14)
One end is fixed on rolling curtain roller (17), and the bottom of rain-proof curtain (14) other end through shell body (15) is connected with limited block
(13), the limited block (13) is located at the lower section of shell body (15), and the side on limited block (13) close to cabinet (1) is fixed with
Iron block (28), the travel switch (20) installed on the cabinet (1) are located between cabinet (1) and cabinet door (2), the travel switch
(20) include flexible button (21), contiguous block (22), T-shaped piece (23) and fixed seat (24), and fixed seat (24) to press positioned at flexible
The side of button (21), the bottom of the flexible button (21) are located at the inside of travel switch (20), and the one of flexible button (21)
Side is fixed with contiguous block (22), and T-shaped piece (23) of fixed seat (24) the side installation are located at contiguous block (22) side, the cabinet
The inside of body (1) offers equipment compartment (10) and battery flat (11), and equipment compartment (10) is located at the top of battery flat (11), described
Mounting bracket (9) is respectively and fixedly provided with the symmetrical madial wall of two of equipment compartment (10), and the inner tip of equipment compartment (10) is provided with photograph
Bright lamp (8), the output end of the MS5100 Smoke Sensors (7) is connected with the input of PIC12C508 single-chip microcomputers (25), described
The output end of PIC12C508 single-chip microcomputers (25) is connected with the input of mixed-media network modules mixed-media (26), the output of the mixed-media network modules mixed-media (26)
End is connected with the input of remote terminal (27), output end and the KS02Y controllers (16) of the SD3851 liquid level sensors
Input is connected, and the output end of the KS02Y controllers (16) is connected with the input of motor (18), the illuminating lamp (8)
It is electrically connected with travel switch (20), the GPS locator (6) is electrically connected with the battery set inside battery flat (11).
2. one kind according to claim 1 can the intelligent outdoor communication cabinet of rain-proof fireproof, it is characterised in that：The company
Connect and offer bar shaped jack on block (22).
3. one kind according to claim 1 can the intelligent outdoor communication cabinet of rain-proof fireproof, it is characterised in that：The net
Network module (26) is based on ICP/IP protocol.
4. one kind according to claim 1 can the intelligent outdoor communication cabinet of rain-proof fireproof, it is characterised in that：The net
Network module (26) uses GPRS network or GSM network.
5. one kind according to claim 1 can the intelligent outdoor communication cabinet of rain-proof fireproof, it is characterised in that：The T
Type block (23) is connected with fixed seat (24) by axis of rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711137587.0A CN107708368A (en) | 2017-11-16 | 2017-11-16 | One kind can the intelligent outdoor communication cabinet of rain-proof fireproof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711137587.0A CN107708368A (en) | 2017-11-16 | 2017-11-16 | One kind can the intelligent outdoor communication cabinet of rain-proof fireproof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107708368A true CN107708368A (en) | 2018-02-16 |
Family
ID=61179729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711137587.0A Withdrawn CN107708368A (en) | 2017-11-16 | 2017-11-16 | One kind can the intelligent outdoor communication cabinet of rain-proof fireproof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107708368A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108374630A (en) * | 2018-03-19 | 2018-08-07 | 西安建筑科技大学 | A kind of wind pavilion water blocking ventilation roll-up window |
| CN110021136A (en) * | 2019-04-11 | 2019-07-16 | 郄树才 | A kind of dedicated solid of tobacco storage is taken precautions against natural calamities early warning system |
| CN112150731A (en) * | 2020-08-20 | 2020-12-29 | 上海皓卡网络技术有限公司 | Instant card-issuing terminal for credit card |
| CN112734994A (en) * | 2020-12-29 | 2021-04-30 | 滨州市沾化区凯恩节能科技有限公司 | Ammeter case switch tool to lock telesignalling equipment convenient to maintain |
| CN113870516A (en) * | 2021-10-20 | 2021-12-31 | 利天万世新能源有限公司 | Communication base station fire detection system |
-
2017
- 2017-11-16 CN CN201711137587.0A patent/CN107708368A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108374630A (en) * | 2018-03-19 | 2018-08-07 | 西安建筑科技大学 | A kind of wind pavilion water blocking ventilation roll-up window |
| CN110021136A (en) * | 2019-04-11 | 2019-07-16 | 郄树才 | A kind of dedicated solid of tobacco storage is taken precautions against natural calamities early warning system |
| CN112150731A (en) * | 2020-08-20 | 2020-12-29 | 上海皓卡网络技术有限公司 | Instant card-issuing terminal for credit card |
| CN112734994A (en) * | 2020-12-29 | 2021-04-30 | 滨州市沾化区凯恩节能科技有限公司 | Ammeter case switch tool to lock telesignalling equipment convenient to maintain |
| CN113870516A (en) * | 2021-10-20 | 2021-12-31 | 利天万世新能源有限公司 | Communication base station fire detection system |
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| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180216 |
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| WW01 | Invention patent application withdrawn after publication |