CN108776256A - Switch cabinet electrified display device - Google Patents
Switch cabinet electrified display device Download PDFInfo
- Publication number
- CN108776256A CN108776256A CN201810867701.3A CN201810867701A CN108776256A CN 108776256 A CN108776256 A CN 108776256A CN 201810867701 A CN201810867701 A CN 201810867701A CN 108776256 A CN108776256 A CN 108776256A
- Authority
- CN
- China
- Prior art keywords
- display device
- switch cabinet
- bottom case
- controller
- sensor
- 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
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/145—Indicating the presence of current or voltage
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The present invention provides a kind of switch cabinet electrified display devices.Switch cabinet electrified display device includes insulation sleeve, bottom case and sensor-based system；The insulation sleeve is detachably connected with described bottom case one end, and the bottom case is connected with door-plate, and the sensor-based system connects in the bottom case.It is inconvenient to solve existing switch cabinet electrified display device dismounting, the low problem of detection efficiency.By being provided with insulation sleeve close to electrification body end in bottom case, switch cabinet electrified display device is set to be detached from electrical body, effectively improve safety coefficient, bottom case and door-plate are connected, realization quickly can manually mount and dismount bottom case, the maintenance and replacement of switch cabinet electrified display device are carried out, detection efficiency is improved, using effect is good.
Description
Technical field
The present invention relates to the technical fields of electric power detection device, more particularly, to a kind of switch cabinet electrified display device.
Background technology
Signal whether switch cabinet electrified display device can charge high-voltage charged body is transferred on luminous or audio element；
And existing 10KV switch cabinet electrifieds display device major part run time is up to 10 years or more at present, ageing equipment, and equipment
It is more using defect, it is replaced after damage difficult.
Switch cabinet electrified display device sensor is replaced relatively more tired using insulator subsidiary form installation after damage at present
Difficulty, and most of is all to integrate mounting means using three-phase, wherein a phase is damaged, whole device is needed to replace, when replacement, need
Have a power failure and carry out maintenance replacement, influence the reliability continuously powered, and needs to dismount in cabinet, it is complicated for operation.
Existing switch cabinet electrified display device is split-type design, needs to dismount in cabinet, i.e. disassembling, assembling and replacing needs are beaten
Interval in cabinet door or sealing plate and cabinet is opened, complicated for operation, working efficiency is low.
Invention content
The purpose of the present invention is to provide a kind of switch cabinet electrified display devices, to solve switchgear band in the prior art
Electric display device dismounting is inconvenient, the low problem of detection efficiency.
A kind of switch cabinet electrified display device provided by the invention, including insulation sleeve, bottom case and sensor-based system；
The insulation sleeve is detachably connected with described bottom case one end, and the bottom case is connected with door-plate, the sensing
System connects in the bottom case.
Further, it is provided with the first buckle on the inside of the insulation sleeve, the bottom case lateral wall is provided with the first card slot, institute
The first buckle is stated to connect with first card slot.
Further, it is provided with the second card slot on the door-plate, the second buckle, second card are provided on the bottom case
Slot is snapped connection with described second.
Further, the sensor-based system includes sensor and controller；
The sensor is connect with the controller by spring.
Further, further include mask, the mask is connect with the bottom case other end, and the first company is provided on the bottom case
Hole is connect, the second connecting hole is provided on the mask, so that screw passes through first connecting hole and the second connecting hole to fix.
Further, the controller is detachably connected with the mask.
Further, the sensor is noncontacting proximity sensor；
The noncontacting proximity sensor is connect with the controller, and the noncontacting proximity sensor is used for non-contact measurement
Electrical body it is electrical；
The controller includes display module, and the display module is used to show the knot of the noncontacting proximity sensor detection
Fruit.
Further, further include locking mechanism, the locking mechanism is connect with the controller；
The locking mechanism includes at least first state and the second state, and in the first state, the display module is shown
Phase is charged, the locking mechanism is by the switch cabinet electrified display device locking, and in the second condition, the display module is shown
Dead electricity phase, the locking mechanism unlock the switch cabinet electrified display device.
Further, further include warning lamp；
The warning lamp is connected between the noncontacting proximity sensor and controller, so that the noncontacting proximity sensor
When no signal is transferred to the controller, the warning lamp sends out alarm signal.
Further, the quantity of the noncontacting proximity sensor is three, and the quantity of the controller is three；
Each non-contact sensor is connected with the corresponding controller respectively, and each noncontacting proximity sensor
For being measured respectively to corresponding circuits, so that three-phase circuit individually measures in the switchgear.
Switch cabinet electrified display device provided by the invention, insulation sleeve are detachably connected with bottom case end close to electrification body end,
And bottom case is connected with door-plate, sensor-based system connects in bottom case.By being provided with insulation sleeve close to electrification body end in bottom case, absolutely
Edge set has the function of high-voltage insulation protection, so that switch cabinet electrified display device is detached from electrical body and securely and reliably effectively improves detection
Safety coefficient；Bottom case and door-plate are connected, realization quickly can manually mount and dismount bottom case, and simple and fast will open
Maintenance and replacement that cabinet charged display device dismounts progress from door-plate are closed, detection efficiency is improved, using effect is good.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram of switch cabinet electrified display device provided in an embodiment of the present invention；
Fig. 2 is the sectional view of switch cabinet electrified display device provided in an embodiment of the present invention；
Fig. 3 is the explosive view of switch cabinet electrified display device provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of sensor provided in an embodiment of the present invention.
Icon：1- insulation sleeves；2- bottom cases；3- door-plates；4- sensors；5- springs；6- controllers；7- masks；8- annular knurl spiral shells
Nail；41- noncontacting proximity sensors；42- electrical bodies.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that such as occur term "center", "upper", "lower", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings,
Be merely for convenience of description of the present invention and simplification of the description, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, such as there is term "
One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " peace such as occur
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, can also be electrical connection；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned art with concrete condition
The concrete meaning of language in the present invention.
Fig. 1 is the structural schematic diagram of switch cabinet electrified display device provided in an embodiment of the present invention；Fig. 2 is that the present invention is implemented
The sectional view for the switch cabinet electrified display device that example provides；Fig. 3 is switch cabinet electrified display device provided in an embodiment of the present invention
Explosive view.
As shown in Figs. 1-3, switch cabinet electrified display device provided by the invention, including insulation sleeve 1, bottom case 2 and sensing system
System；The insulation sleeve 1 is detachably connected with 2 one end of the bottom case, and the bottom case 2 is connected with door-plate 3, the sensing system
System connects in the bottom case 2.
Insulation sleeve 1 is detachably connected with 2 end of bottom case close to 42 end of electrical body, and bottom case 2 is connected with door-plate 3, sensing
System connects in bottom case 2.By being provided with insulation sleeve 1 close to 42 end of electrical body in bottom case 2, insulation sleeve 1 is anti-with high-voltage isulation
Protective function makes switch cabinet electrified display device be detached from electrical body 42 and securely and reliably effectively improves the safety coefficient of detection；The bottom of by
Shell 2 is connected with door-plate 3, and realization quickly can manually mount and dismount bottom case 2, simple and fast to show switch cabinet electrified
Device dismounts the maintenance and replacement of progress from door-plate 3, improves detection efficiency, and using effect is good.
Further, 1 inside of the insulation sleeve is provided with the first buckle, and 2 lateral wall of the bottom case is provided with the first card slot,
First buckle is connect with first card slot.
1 inside of insulation sleeve is provided with the first buckle, and 2 lateral wall of bottom case is provided with the first card slot, the first buckle and the first card
Slot is detachably connected；By in 1 inside of insulation sleeve, the first buckle of the second lateral wall mutual cooperation and the first card slot, realizing unarmed
Quickly by insulation sleeve 1 and the dismounting maintenance of bottom case 2, overhaul efficiency is improved.
Wherein, 1 inside of insulation sleeve can be provided with the first card slot, and 2 lateral wall of bottom case is provided with the first buckle, as long as can
Realize that insulation sleeve 1 connects with 2 quick distachable load of bottom case.
Further, it is provided with the second card slot on the door-plate 3, is provided with the second buckle on the bottom case 2, described second
Card slot is snapped connection with described second.
The second card slot is provided on door-plate 3,2 front end of bottom case is provided with the second buckle, and the second card slot is snapped connection with second；
By being snapped connection second of 2 front end of the second card slot and bottom case on door-plate 3, bottom case 2 is connected on door-plate 3 by realization,
When switch cabinet electrified display device is carried out dismounting maintenance, realization manually detaches switch cabinet electrified display device with door-plate 3, tears open
Dress is easier, and operating efficiency is high, and using effect is good.
Wherein, the first card slot, the second card slot can be plum blossom card slots, and the first buckle, the second buckle can be plum blossom card keys,
Plum blossom card key can be directly connected on plum blossom card slot, and rotate plum blossom card key, realized and fixed, and using effect is more preferable.
Further, the sensor-based system includes sensor 4 and controller 6；The sensor 4 is logical with the controller 6
Cross the connection of spring 5.
Sensor 4 is connect with controller 6 by spring 5；The circuit board of controller 6 and sensor 4 are connected by spring 5
It connects, realizes that elastic connection relationship between sensor 4 and 6 circuit board of controller, guarantee are connected and fixed effect, and good connecting effect.
Further, further include mask 7, the mask 7 is connect with 2 other end of bottom case, and is provided on the bottom case 2
One connecting hole is provided with the second connecting hole on the mask 7, so that screw passes through first connecting hole and the second connecting hole solid
It is fixed.
Mask 7 is connected to 2 front end of bottom case, and the first connecting hole is provided on bottom case 2, and the second connection is provided on mask 7
Hole, screw pass through the first connecting hole and the second connecting hole to fix mask 7 and bottom case 2；By being provided with mask in 2 front end of bottom case
7, it is influenced by external environment to avoid the induction system in bottom case 2, and mask 7 is also to be detachably connected with bottom case 2, it is real
Existing disassembling section is simple and fast.
Wherein, the first connecting hole and the second connecting hole can be threaded holes, so that milled screw 8 consolidates mask 7 and bottom case 2
Fixed, fixed effect is more preferable.
Further, the controller 6 is detachably connected with the mask 7.
Controller 6 and mask 7 are detachably connected, controller 6 and mask 7 are attached by realization, and controller 6 is avoided to exist
It shakes in bottom case 2, and when being overhauled to switchgear charged display device, operation is simpler quick, and increase makes
Use effect.
Wherein, controller 6 is that screw-thread fit is connect, such as threaded rod/screw thread is being provided on controller 6 with mask 7
Hole is provided with threaded hole/threaded rod on mask 7, realizes that controller 6 is detachably fixed with the screw thread of mask 7 and connect, attended operation
Simple and fast, using effect is good.
Fig. 4 is the structural schematic diagram of sensor 4 provided in an embodiment of the present invention.
Further, the sensor 4 is noncontacting proximity sensor 41；The noncontacting proximity sensor 41 and the control
Device 6 connects, and the noncontacting proximity sensor 41 is electrical for non-contact measurement electrical body 42；The controller 6 includes aobvious
Show that module, the display module are used to show the result that the noncontacting proximity sensor 41 detects.
Noncontacting proximity sensor 41 is connect with controller 6, and noncontacting proximity sensor 41 is electrically surveyed to electrical body 42
Amount, display module can quickly show the result that noncontacting proximity sensor 41 detects；By by non-contact sensor 4 to electrical body
The electric field strength that 42 surroundings generate forms non-contact measurement, and whether detection electrical body 42 charges, and avoids electrical body 42 without being electrically connected
The problem of leading to capacitance punch through damage is connect, detection operation is simpler, and display module shows testing result, quickly to switchgear
Charged display device overhauls, and improves reliability.
Further, further include locking mechanism, the locking mechanism is connect with the controller 6；The locking mechanism is extremely
Include first state and the second state less, in the first state, display module display electrification phase, the locking mechanism is by institute
Switch cabinet electrified display device locking is stated, in the second condition, the display module shows dead electricity phase, and the locking mechanism is by institute
State the unlock of switch cabinet electrified display device.
Locking mechanism is connect with controller 6, and in the first state, display module display electrification phase, locking mechanism will switch
Cabinet charged display device locking, in the second condition, display module show that switch cabinet electrified is shown and filled by dead electricity phase, locking mechanism
Set unlock；It is connect with controller 6 by the locking mechanism of setting, so that whether the display module of controller 6 shows electrical body 42
After electriferous state, the operation by switch cabinet electrified display device locking and unlock is made, increasing switch cabinet electrified display device makes
Reliability.
Further, further include warning lamp；The warning lamp be connected to the noncontacting proximity sensor 41 and controller 6 it
Between, when so that 41 no signal of the noncontacting proximity sensor being transferred to the controller 6, the warning lamp sends out alarm signal.
Warning lamp is connected between noncontacting proximity sensor 41 and controller 6, so that 41 no signal of noncontacting proximity sensor
It is transferred to controller 6, warning lamp sends out alarm signal；By being connected with police between noncontacting proximity sensor 41 and controller 6
Show lamp, when so that the private mask line that noncontacting proximity sensor 41 is connect with controller 6 occurring broken string or is connection, corresponding police
Show that lamp sends out the police instruction of flicker, to be overhauled to noncontacting proximity sensor 41 and the connection of controller 6, increases use and open
Cabinet charged display device safety is closed, reliability is improved.
Further, it is provided with power interface on the controller 6, for being provided for the switch cabinet electrified display device
External power supply is powered.
It is provided with power interface on controller 6, for being supplied to external power supply to power for switch cabinet electrified display device；It is logical
The power interface 17 for being provided on controller 6 and being connect with external power supply is crossed, when realizing that main power source is not powered, controller 6 remains to
It uses, increases performance.
Wherein, power interface can be the DC9V power interfaces of 6mm, meet the power supply requirement of conventional controller 6, guarantee
It is enough quickly to charge in time to controller 6.
Further, the controller 6 further includes selftest module, for carrying out self-test to 6 software and hardware of controller.
Selftest module carries out self-test to 6 software and hardware of controller；By the way that selftest module is arranged on controller 6, so that control
Device 6 run when can the software and hardware of itself overhauled, prevent due to switch cabinet electrified display device software and hardware damage cause mistake
Instruction and locking accidentally increases using effect.
Further, further include remote receiver structure, the remote receiver structure connects with the noncontacting proximity sensor 41
It connects, the result for receiving the detection of the noncontacting proximity sensor 41.
Remote receiver structure is connect with noncontacting proximity sensor 41, the knot for receiving the detection of noncontacting proximity sensor 41
Fruit；By the way that remote receiver structure to be connect with noncontacting proximity sensor 41, realize that the result that noncontacting proximity sensor 41 detects can
Remotely to receive, increase using effect.
Wherein, remote receiver structure can be cell phone application software etc., realize that intelligent remote receives signal, increase using effect
Fruit.
Further, the quantity of the noncontacting proximity sensor 41 is three, and the quantity of the controller 6 is three；Often
A non-contact sensor is connected with the corresponding controller 6 respectively, and each noncontacting proximity sensor 41 is for dividing
It is other that corresponding circuits are measured, so that three-phase circuit individually measures in the switchgear.
It is connected with corresponding controller 6 by each touch sensor 4, each sensor 4 is used for correspondence when contact
Circuit be detected so that switch in three circuits individually detect；By setting, there are three noncontacting proximity sensors 41
With three controllers 6 so that each noncontacting proximity sensor 41 and the connection of corresponding sensor 4, individually to three-phase circuit
It is detected and shows, any one phase is in the event of failure, it is only necessary to replace failure phase, replace efficient and convenient.
In conclusion switch cabinet electrified display device provided by the invention, insulation sleeve 1 is with 2 end of bottom case close to electrical body 42
End is detachably connected, and bottom case 2 is connected with door-plate 3, and sensor-based system connects in bottom case 2.By in bottom case 2 close to electrical body
42 ends are provided with insulation sleeve 1, and insulation sleeve 1 has the function of high-voltage insulation protection, and switch cabinet electrified display device is made to be detached from electrical body
42, securely and reliably, effectively improve the safety coefficient of detection；Bottom case 2 and door-plate 3 are connected, realization quickly can manually be pacified
Assembly and disassembly bottom case 2, the simple and fast maintenance and replacement that switch cabinet electrified display device is dismounted to progress from door-plate 3, carries
High detection efficiency, using effect are good.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of switch cabinet electrified display device, which is characterized in that including insulation sleeve, bottom case and sensor-based system；
The insulation sleeve is detachably connected with described bottom case one end, and the bottom case is connected with door-plate, the sensor-based system
It connects in the bottom case.
2. switch cabinet electrified display device according to claim 1, which is characterized in that be provided with the on the inside of the insulation sleeve
One buckle, the bottom case lateral wall are provided with the first card slot, and first buckle is connect with first card slot.
3. switch cabinet electrified display device according to claim 1, which is characterized in that be provided with the second card on the door-plate
Slot is provided with the second buckle on the bottom case, and second card slot is snapped connection with described second.
4. switch cabinet electrified display device according to claim 1, which is characterized in that the sensor-based system includes sensor
And controller；
The sensor is connect with the controller by spring.
5. switch cabinet electrified display device according to claim 4, which is characterized in that further include mask, the mask with
The bottom case other end connects, and the first connecting hole is provided on the bottom case, the second connecting hole is provided on the mask, so that spiral shell
Nail is fixed across first connecting hole and the second connecting hole.
6. switch cabinet electrified display device according to claim 5, which is characterized in that the controller can with the mask
Dismantling connection.
7. switch cabinet electrified display device according to claim 4, which is characterized in that the sensor is contactless biography
Sensor；
The noncontacting proximity sensor is connect with the controller, and the noncontacting proximity sensor is charged for non-contact measurement
Body it is electrical；
The controller includes display module, and the display module is used to show the result of the noncontacting proximity sensor detection.
8. switch cabinet electrified display device according to claim 7, which is characterized in that further include locking mechanism, the lock
Mechanism is closed to connect with the controller；
The locking mechanism includes at least first state and the second state, in the first state, the display module display electrification
Phase, the locking mechanism is by the switch cabinet electrified display device locking, and in the second condition, the display module shows dead electricity
Phase, the locking mechanism unlock the switch cabinet electrified display device.
9. switch cabinet electrified display device according to claim 7, which is characterized in that further include warning lamp；
The warning lamp is connected between the noncontacting proximity sensor and controller, so that the noncontacting proximity sensor is without letter
When number being transferred to the controller, the warning lamp sends out alarm signal.
10. switch cabinet electrified display device according to claim 7, which is characterized in that the noncontacting proximity sensor
Quantity is three, and the quantity of the controller is three；
Each non-contact sensor is connected with the corresponding controller respectively, and each noncontacting proximity sensor is used for
Corresponding circuits are measured respectively, so that three-phase circuit individually measures in the switchgear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810867701.3A CN108776256A (en) | 2018-08-01 | 2018-08-01 | Switch cabinet electrified display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810867701.3A CN108776256A (en) | 2018-08-01 | 2018-08-01 | Switch cabinet electrified display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108776256A true CN108776256A (en) | 2018-11-09 |
Family
ID=64028508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810867701.3A Pending CN108776256A (en) | 2018-08-01 | 2018-08-01 | Switch cabinet electrified display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108776256A (en) |
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| CN202453417U (en) * | 2011-12-19 | 2012-09-26 | 上海海灵动力工程研究所 | High-voltage live displaying and locking device for intelligent induction type switch cabinet |
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| CN106300059A (en) * | 2016-08-31 | 2017-01-04 | 万控集团有限公司 | A kind of switch cubicle handle hole hanging locking device possessing fire-resistant arc ability |
| CN206323027U (en) * | 2016-12-30 | 2017-07-11 | 广东电网有限责任公司中山供电局 | High-tension switch cabinet and its potential indicator |
| CN208705390U (en) * | 2018-08-01 | 2019-04-05 | 广东电网有限责任公司 | Switch cabinet electrified display device |
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2018
- 2018-08-01 CN CN201810867701.3A patent/CN108776256A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202453417U (en) * | 2011-12-19 | 2012-09-26 | 上海海灵动力工程研究所 | High-voltage live displaying and locking device for intelligent induction type switch cabinet |
| WO2015184711A1 (en) * | 2014-06-07 | 2015-12-10 | 朱林学 | Power distribution cabinet |
| CN204142829U (en) * | 2014-09-19 | 2015-02-04 | 广州供电局有限公司 | General changeable type charge indicating device |
| CN204156315U (en) * | 2014-09-25 | 2015-02-11 | 湖北鄂电大全电气设备制造有限公司 | The anti-lockset of a kind of switch cubicle five |
| CN204925226U (en) * | 2015-08-13 | 2015-12-30 | 郑州力帆电气有限公司 | Blocking device is gathered to high voltage live display wide region |
| CN106300059A (en) * | 2016-08-31 | 2017-01-04 | 万控集团有限公司 | A kind of switch cubicle handle hole hanging locking device possessing fire-resistant arc ability |
| CN206323027U (en) * | 2016-12-30 | 2017-07-11 | 广东电网有限责任公司中山供电局 | High-tension switch cabinet and its potential indicator |
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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: 20181109 |
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| RJ01 | Rejection of invention patent application after publication |