CN107732855A - A kind of cleanable formula power communication cable insect prevention plugging device - Google Patents
A kind of cleanable formula power communication cable insect prevention plugging device Download PDFInfo
- Publication number
- CN107732855A CN107732855A CN201710967866.3A CN201710967866A CN107732855A CN 107732855 A CN107732855 A CN 107732855A CN 201710967866 A CN201710967866 A CN 201710967866A CN 107732855 A CN107732855 A CN 107732855A
- Authority
- CN
- China
- Prior art keywords
- connecting tube
- interior
- power network
- communication cable
- insect prevention
- 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
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/013—Sealing means for cable inlets
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M1/00—Stationary means for catching or killing insects
- A01M1/22—Killing insects by electric means
- A01M1/223—Killing insects by electric means by using electrocution
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Pest Control & Pesticides (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Insects & Arthropods (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
A kind of cleanable formula power communication cable insect prevention plugging device, it is related to field of electrical equipment, it is made up of sealing device and the second connecting tube, sealing device is by the first connecting tube, wire fixing device and contiguous block are formed, first connecting tube one end is provided with wire fixing device, the first connecting tube other end is provided with contiguous block, second connecting tube is provided with link slot, deinsectization device, cleaning device, positioning pipe, air admission hole and external screw thread, cleaning device is arranged in deinsectization device, deinsectization device is arranged in the second connecting tube, cleaning device is air inlet pipe, valve, lid, air inlet pipe one end is provided with valve, the air inlet pipe other end is arranged in the second connecting tube, lid is arranged on the second connecting tube other end side, second connecting tube one end is provided with link slot, first connecting tube is connected with the second connecting tube by contiguous block with link slot；The present invention closure ant proof simple in construction that can be suitably used for various cabinet long cable section of ingoing line, has very great construction value and economic benefit.
Description
【Technical field】
The present invention relates to power circuit to lay field, more particularly, to a kind of cleanable formula power communication cable insect prevention closure dress
Put.
【Background technology】
Known, cable plugging device is a kind of equipment being commonly used during the daily installation of power industry is safeguarded, at present international electricity
Lixing industry with China's power industry, cable plugging material and device are still continued to use early stage based on inorganic and organic soft resistance
Combustible material, plugging effect extremely rely on the physicochemical property of material in itself, easily by extraneous insect, temperature, pollution degree factor shadow
Ring, with the lengthening of usage time, performance can further decline, and be also limited to insect guard ability, and integrally
Formula plugging device inconvenience dismounting and change, the maintenance cost and timeliness in enterprise's later stage are added, increase business burden.
【The content of the invention】
In order to overcome the shortcomings of in background technology, the invention discloses a kind of cleanable formula power communication cable insect prevention closure dress
Putting, the present invention sets deinsectization device and cleaning device by setting the second connecting tube on sealing device in the second connecting tube, with
This reaches sealing, deinsectization, cleaning pipeline, the purpose of replacing easy to disassemble.
In order to realize the goal of the invention, the present invention adopts the following technical scheme that：
A kind of cleanable formula power communication cable insect prevention plugging device, including sealing device and the second connecting tube, sealing device by
First connecting tube, wire fixing device and contiguous block are formed, and first connecting tube one end is provided with wire fixing device, and the first connecting tube other end is set
There is contiguous block, the second connecting tube is provided with link slot, deinsectization device, cleaning device, positioning pipe, air admission hole and external screw thread, cleaning
Device is arranged in deinsectization device, and deinsectization device is arranged in the second connecting tube, and cleaning device is air inlet pipe, valve, lid, is entered
Tracheae one end is provided with valve, and the air inlet pipe other end is arranged in the second connecting tube, and lid is arranged on the second connecting tube another side
On face, second connecting tube one end is provided with link slot, and the first connecting tube is connected with the second connecting tube by contiguous block with link slot.
First connecting tube and the second connecting tube are ring type structure, and the second connecting tube one end side is provided with external screw thread.
The wire fixing device is arranged in the first connecting tube, and the first connecting tube is blocked by wire fixing device, solidus dress
Put and be made up of at least two sealing blocks, each sealing block structure is identical, and each sealing block is using the first connection tube hub as center of circle etc.
Divide and be arranged on inside the first connecting tube, sealing block is that soft material is formed, and each sealing block side is arc-shaped curved surface structure.
The positioning pipe is provided with least two threading holes, and positioning pipe overcoat insulating barrier, and positioning pipe one end cross section is straight
Footpath is more than other end cross-sectional diameter.
The deinsectization device is power module, power network, dielectric support block, filling bag, insulating barrier, and insulating barrier is enclosed on positioning pipe
On, filling is wrapped on insulating barrier, and power network is enclosed in filling bag, and the second connecting pipe box are on power network, and power network is by external power grid and interior
Power network is formed, and external power grid is covered on interior power network, and at least two dielectric support blocks, insulating supporting are provided between external power grid and interior power network
Block one end connect external power grid, the dielectric support block other end connection in power network.
The dielectric support block annular is spirally arranged between external power grid and interior power network, and dielectric support block is rectangle
Structure.
The power module is made up of current control module, external power grid wire and interior power network wire, and current control module is set
Put in the second connecting tube, external power grid wire one end connection current control module, external power grid wire other end connection external power grid is interior
Power network wire one end connects current control module, and power network in the connection of the interior power network wire other end, external power grid wire and interior power network are led
Insulating barrier is equipped with outside line.
The filling bag is arranged in the second connecting tube, and filling bag is ring type structure, and filling bag side is hard sealing material
Material, filling bag bottom surface, inwall are flexible barrier material, and filling bag bottom surface and inwall are structure as a whole, and filling bag one end is provided with and filled out
Fill hole.
The air inlet pipe is cylindrical structure, and air inlet pipe one end is provided with valve, and the air inlet pipe other end passes through the second connecting tube
The air admission hole that one end is set is arranged between the external power grid in the second connecting tube and interior power network, and air inlet pipe is that soft insulating is fire-retardant
Material is formed.
The lid is arranged on the second connecting tube other end side, is made up of flame-resistant insulation material.
By adopting the above-described technical solution, the present invention has the advantages that：
A kind of cleanable formula power communication cable insect prevention plugging device of the present invention, including sealing device, the second connecting tube,
The present invention sets deinsectization device and cleaning device, with this by setting the second connecting tube on sealing device in the second connecting tube
Reach sealing, deinsectization, cleaning pipeline, the purpose of replacing easy to disassemble；Simple in construction, simple operation of the invention, not only can electricity
The insect prevention of power cable blocks, and cleans pipeline, and can be easily installed with dismounting and change, the new plugging device of energy Reusability, energy
Suitable for various tunnels, the closure insect prevention of cabinet long cable section of ingoing line, there is very great construction value and economic benefit.
【Brief description of the drawings】
Fig. 1 is the fractionation dimensional structure diagram of the present invention；
Fig. 2 is the second connecting tube dimensional structure diagram of the present invention；
Fig. 3 is the deinsectization device of the present invention, cleaning device cross section structure schematic diagram；
Fig. 4 is the sealing device dimensional structure diagram of the present invention；
Fig. 5 is the wire fixing device dimensional structure diagram of the present invention；
Fig. 6 is the power module circuitry figure of the present invention；
In figure：1st, the first connecting tube；2nd, the second connecting tube；3rd, wire fixing device；4th, contiguous block；5th, air inlet pipe；6th, valve；7th, connect
Groove；8th, external power grid；9th, interior power network；10th, filling bag；11st, insulating barrier；12nd, positioning pipe；13rd, threading hole；14th, hole is filled；15th, cover
Son；16th, external screw thread；17th, current control module；18th, external power grid wire；19th, interior power network wire；20th, dielectric support block；21st, it is close
Seal block；22nd, air admission hole.
【Embodiment】
Explanation that can be detailed by the following examples is of the invention, and the open purpose of the present invention is intended to protect in the scope of the invention
All technological improvements.
Connect with reference to a kind of cleanable formula power communication cable insect prevention plugging device of accompanying drawing 1 ~ 6, including sealing device and second
Adapter 2, sealing device are made up of the first connecting tube 1, wire fixing device 3 and contiguous block 4, and the one end of the first connecting tube 1 fills provided with solidus
Put 3, the other end of the first connecting tube 1 is provided with contiguous block 4, set in the second connecting tube 2 link slot 7, deinsectization device, cleaning device,
Positioning pipe 12, air admission hole 22 and external screw thread 16, cleaning device is arranged in deinsectization device, and deinsectization device is arranged on the second connecting tube
In 2, cleaning device is air inlet pipe 5, valve 6, lid 15, and the one end of air inlet pipe 5 is provided with valve 6, and the other end of air inlet pipe 5 is arranged on the
In two connecting tubes 2, lid 15 is arranged on the other end side of the second connecting tube 2, and the one end of the second connecting tube 2 is provided with link slot 7, the
One connecting tube 1 is connected with the second connecting tube 2 by contiguous block 4 with link slot 7.
The connecting tube 2 of first connecting tube 1 and second is ring type structure, and the one end side of the second connecting tube 2 is provided with outer spiral shell
Line 16.
The wire fixing device 3 is arranged in the first connecting tube 1, and the first connecting tube 1 is blocked by wire fixing device 3, Gu
Line apparatus 3 is made up of at least two 21 pieces of sealings, and each structure of sealing block 21 is identical, and each sealing block 21 is with the first connecting tube 1
Center is that center of circle decile is arranged on inside the first connecting tube 1, and sealing block 21 is formed for soft material, and each side of sealing block 21 is arc
Shape curved-surface structure.
The positioning pipe 12 is provided with least two threading holes 13, and the overcoat of positioning pipe 12 insulating barrier 11, positioning pipe 12 1
End cross-sectional diameter is more than other end cross-sectional diameter.
The deinsectization device is power module, power network, dielectric support block 20, filling bag 10, insulating barrier 11,11 sets of insulating barrier
On positioning pipe 12, filling bag 10 is enclosed on insulating barrier 11, and power network is enclosed in filling bag 10, and the second connecting tube 2 is enclosed on power network,
Power network is made up of external power grid 8 and interior power network 9, and 8 sets of external power grid is on interior power network 9, and 9 are provided with least between external power grid 8 and interior power network
Two dielectric support blocks 20, the one end of dielectric support block 20 connection external power grid 8, the other end of dielectric support block 20 connection in power network 8.
The annular of dielectric support block 20 is spirally arranged between external power grid 8 and interior power network 9, and dielectric support block 20 is
Rectangle structure.
The power module is made up of current control module 17, external power grid wire 18 and interior power network wire 19, current control
Module 17 is arranged in the second connecting tube 2, the one end of external power grid wire 18 connection current control module 17, and external power grid wire 18 is another
End connection external power grid 8, interior one end of power network wire 19 connect current control module 17, power network in the interior other end of power network wire 19 connection
9, insulating barrier is equipped with outside external power grid wire 18 and interior power network wire 19.
The filling bag 10 is arranged in the second connecting tube 2, and filling bag 10 is ring type structure, and the side of filling bag 10 is hard
Encapsulant, the bottom surface of filling bag 10, inwall are flexible barrier material, and the bottom surface of filling bag 10 and inwall are structure as a whole, filling bag
10 one end are provided with filling hole 14.
The air inlet pipe 5 is cylindrical structure, and the one end of air inlet pipe 5 is provided with valve 6, and the other end of air inlet pipe 5 connects by second
The air admission hole 22 set in adapter 2 is arranged between the external power grid 8 and interior power network 9 in the second connecting tube 2, and air inlet pipe 5 is soft
Flame-resistant insulation material is formed.
The lid 15 is arranged on the other end side of the second connecting tube 2, is made up of flame-resistant insulation material.Implement institute of the present invention
A kind of detachable split power cable insect prevention plugging device stated, when in use, passes through the solidus on sealing device by cable
Device 3 is passed through, and into the second connecting tube 2, cable continues across to be set in the second connecting tube 2 of entrance of threading hole 13 on positioning pipe 12
The insulating barrier 11 put, makes insulating barrier 11 be wrapped on cable outer wall, then by filling hole 14 to 10 inner filling of filling bag
Filler so that the inside extruding insulation layer 11 of soft materials inwall of filling bag 10, make insulating barrier 11 tightly be attached on cable, cable
By rear, plugging device is arranged on fixed pipeline by the external screw thread 16 set in the second connecting tube 2, then opens electricity
Source SW, electric current lead to power module from dry cell, and electric work is obtained by triode Q1 and transformer the T1 self-excited oscillator formed,
3V direct currents become 18kHz or so high-frequency alternating current, and the high pressure winding N3 both ends through transformer T1 boost to about 500V, then pass through
The voltage tripler rectifier of diode D1~D3, capacitor C1~C3 composition is increased to 1500V or so, is added on power network, the He of external power grid 8
Electrostatic field between interior power network 9 has stronger absorption affinity, and when insect is close to power network, they are sucked the He of external power grid 8 by electrostatic field energy
Between interior power network 9, polypide causes external power grid 8 and the short circuit of interior power network 9, and insect can be hit dizzy by electric current, electric arc or shoot dead so as to reach
The effect of deinsectization, the power supply of elder generation's closedown module, opens lid 15, the equipment that can produce gases at high pressure is passed through into valve during cleaning
6 are connected, and gases at high pressure are injected between the external power grid 8 in the second connecting tube 2 and interior power network 9 by air inlet pipe 5, high velocity air
By the cavity between external power grid 8 and interior power network 9, the insect that will be attached between external power grid 8 and interior power network 9 or insect bodies from
Steam vent takes the second connecting tube 2 out of, after cleaning, closes gases at high pressure equipment, then changes lid 15, reopen
Power supply can.
Part not in the detailed description of the invention is prior art, although specifically showing and describing this hair with reference to preferred embodiment
It is bright, implement the technical scheme method and approach is a lot, described above is only the preferred embodiment of the present invention, but affiliated neck
The technical staff in domain, which should be understood that, not to be departed from the spirit and scope of the present invention that appended claims are limited, in shape
In formula and the present invention can be made a variety of changes in details, be protection scope of the present invention.
Claims (10)
1. a kind of cleanable formula power communication cable insect prevention plugging device, including sealing device and the second connecting tube（2）, its feature
It is：Sealing device is by the first connecting tube（1）, wire fixing device（3）And contiguous block（4）Form, the first connecting tube（1）One end is provided with solid
Line apparatus（3）, the first connecting tube（1）The other end is provided with contiguous block（4）, the second connecting tube（2）Upper setting link slot（7）, deinsectization
Device, cleaning device, positioning pipe（12）, air admission hole（22）And external screw thread（16）, cleaning device is arranged in deinsectization device, deinsectization
Device is arranged on the second connecting tube（2）Interior, cleaning device is air inlet pipe（5）, valve（6）, lid（15）, air inlet pipe（5）One end
Provided with valve（6）, air inlet pipe（5）The other end is arranged on the second connecting tube（2）On, lid（15）It is arranged on the second connecting tube（2）
On other end side, the second connecting tube（2）One end is provided with link slot（7）, the first connecting tube（1）With the second connecting tube（2）Pass through
Contiguous block (4) is connected with link slot (7).
2. a kind of cleanable formula power communication cable insect prevention plugging device according to claim 1, it is characterized in that：Described
One connecting tube（1）With the second connecting tube（2）It is ring type structure, the second connecting tube (2) one end side is provided with external screw thread (16).
3. a kind of cleanable formula power communication cable insect prevention plugging device according to claim 1, it is characterized in that：It is described solid
Line apparatus（3）It is arranged on the first connecting tube（1）It is interior, the first connecting tube（1）Pass through wire fixing device（3）Blocked, wire fixing device
（3）By at least two sealing blocks（21）Form, each sealing block（21）Structure is identical, each sealing block（21）With the first connecting tube
（1）Center is that center of circle decile is arranged on the first connecting tube（1）Inside, sealing block（21）Formed for soft material, each sealing block
（21）Side is arc-shaped curved surface structure.
4. a kind of cleanable formula power communication cable insect prevention plugging device according to claim 1, it is characterized in that：It is described fixed
Position pipe（12）It is provided with least two threading holes（13）, positioning pipe（12）It is cased with insulating barrier outside（11）, positioning pipe（12）One end is horizontal
Diameter of section is more than other end cross-sectional diameter.
5. a kind of cleanable formula power communication cable insect prevention plugging device according to claim 1, it is characterized in that：It is described to go out
Worm device is power module, power network, dielectric support block（20）, filling bag（10）, insulating barrier（11）, insulating barrier（11）It is enclosed on positioning
Manage on (12), filling bag (10) is enclosed on insulating barrier (11), and power network is enclosed in filling bag (10), and the second connecting tube (2) is enclosed on electricity
On the net, power network is by external power grid（8）With interior power network（9）Form, external power grid（8）Cover in interior power network（9）On, external power grid（8）With interior electricity
Net（9）Between be provided with least two dielectric support blocks（20）, dielectric support block（20）One end connects external power grid（8）, insulating supporting
Block（20）Power network in other end connection（9）.
6. a kind of cleanable formula power communication cable insect prevention plugging device according to claim 5, it is characterized in that：It is described exhausted
Edge support block（20）Annular is spirally arranged in external power grid（8）With interior power network（9）Between, dielectric support block（20）For rectangle
Structure.
7. a kind of cleanable formula power communication cable insect prevention plugging device according to claim 5, it is characterized in that：The electricity
Source module is by current control module（17）, external power grid wire（18）With interior power network wire（19）Form, current control module（17）
It is arranged on the second connecting tube（2）On, external power grid wire（18）One end connects current control module（17）, external power grid wire（18）Separately
One end connects external power grid（8）, interior power network wire（19）One end connects current control module（17）, interior power network wire（19）The other end
Power network in connection（9）, external power grid wire（18）With interior power network wire（19）Outside is equipped with insulating barrier.
8. a kind of cleanable formula power communication cable insect prevention plugging device according to claim 1, it is characterized in that：It is described to fill out
Fill bag（10）It is arranged on the second connecting tube（2）It is interior, filling bag（10）For ring type structure, filling bag（10）Side is hard sealing material
Material, filling bag（10）Bottom surface, inwall are flexible barrier material, filling bag（10）Bottom surface and inwall are structure as a whole, filling bag
（10）One end is provided with filling hole（14）.
9. a kind of cleanable formula power communication cable insect prevention plugging device according to claim 1, it is characterized in that：It is described enter
Tracheae（5）For cylindrical structure, air inlet pipe（5）One end is provided with valve（6）, air inlet pipe（5）The other end passes through the second connecting tube（2）
The air admission hole of upper setting（22）It is arranged on the second connecting tube（2）Interior external power grid（8）With interior power network（9）Between, air inlet pipe（5）For
Soft insulating fire proofing is formed.
10. a kind of cleanable formula power communication cable insect prevention plugging device according to claim 1, it is characterized in that：It is described
Vent cap（15）It is arranged on the second connecting tube（2）Other end side, it is made up of flame-resistant insulation material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710967866.3A CN107732855A (en) | 2017-10-18 | 2017-10-18 | A kind of cleanable formula power communication cable insect prevention plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710967866.3A CN107732855A (en) | 2017-10-18 | 2017-10-18 | A kind of cleanable formula power communication cable insect prevention plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107732855A true CN107732855A (en) | 2018-02-23 |
Family
ID=61210603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710967866.3A Pending CN107732855A (en) | 2017-10-18 | 2017-10-18 | A kind of cleanable formula power communication cable insect prevention plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107732855A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081600A (en) * | 2019-05-16 | 2019-08-02 | 武汉万居隆电器有限公司 | A kind of protection against rodents insect prevention air-heater |
| CN110829314A (en) * | 2019-12-27 | 2020-02-21 | 江苏玖泰电力实业有限公司 | Engineering protection device applied to underground civil air defense construction |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071645A (en) * | 2012-12-26 | 2013-05-01 | 苏州金纳信息技术有限公司 | Device for cleaning pneumatic transmission lines and communication lines |
| CN203788954U (en) * | 2014-02-28 | 2014-08-27 | 江苏鑫田电子科技有限公司 | Power grid insect clearing device of light-trap insecticidal lamp |
| CN205695177U (en) * | 2016-06-23 | 2016-11-23 | 黄香月 | A kind of solar energy pest trap lamp for agriculture and forestry |
| CN106911114A (en) * | 2017-04-13 | 2017-06-30 | 国网河南省电力公司洛阳供电公司 | A kind of detachable power cable ant proof plugging device |
| CN106981857A (en) * | 2017-04-13 | 2017-07-25 | 国网河南省电力公司洛阳供电公司 | A kind of detachable split power cable insect prevention plugging device |
-
2017
- 2017-10-18 CN CN201710967866.3A patent/CN107732855A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103071645A (en) * | 2012-12-26 | 2013-05-01 | 苏州金纳信息技术有限公司 | Device for cleaning pneumatic transmission lines and communication lines |
| CN203788954U (en) * | 2014-02-28 | 2014-08-27 | 江苏鑫田电子科技有限公司 | Power grid insect clearing device of light-trap insecticidal lamp |
| CN205695177U (en) * | 2016-06-23 | 2016-11-23 | 黄香月 | A kind of solar energy pest trap lamp for agriculture and forestry |
| CN106911114A (en) * | 2017-04-13 | 2017-06-30 | 国网河南省电力公司洛阳供电公司 | A kind of detachable power cable ant proof plugging device |
| CN106981857A (en) * | 2017-04-13 | 2017-07-25 | 国网河南省电力公司洛阳供电公司 | A kind of detachable split power cable insect prevention plugging device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110081600A (en) * | 2019-05-16 | 2019-08-02 | 武汉万居隆电器有限公司 | A kind of protection against rodents insect prevention air-heater |
| CN110829314A (en) * | 2019-12-27 | 2020-02-21 | 江苏玖泰电力实业有限公司 | Engineering protection device applied to underground civil air defense construction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107732855A (en) | A kind of cleanable formula power communication cable insect prevention plugging device | |
| CN106981857A (en) | A kind of detachable split power cable insect prevention plugging device | |
| CN207021030U (en) | A kind of cable for wind-power generator | |
| CN206477628U (en) | A kind of roof can automatic air-exchanging factory building | |
| CN107689616A (en) | A kind of cleanable formula power communication cable insect prevention plugging device of split | |
| CN206820417U (en) | A kind of wiring groove | |
| CN203423467U (en) | Large-creep distance direct-current cable outdoor terminal | |
| CN101329935A (en) | External insulation casing pipe for 500 kv sulfur hexafluoride current mutual inductor | |
| CN110473678A (en) | Composite insulator | |
| CN207529734U (en) | A kind of electrical insulation device | |
| CN206669508U (en) | Can spiral winded type pendent lamp | |
| CN106911114A (en) | A kind of detachable power cable ant proof plugging device | |
| CN206060142U (en) | Transformer station is automatically drained out formula cable channel cover plate with moisture is easily raised | |
| CN209843440U (en) | Voltage transformer shell | |
| CN207217260U (en) | A kind of gas-insulated transformer | |
| CN209501968U (en) | A kind of novel insulator incubator | |
| CN207134682U (en) | The waterproof cooling distribution box in building site is built in a kind of room | |
| CN206865110U (en) | A kind of underground high voltage cable junction box | |
| CN206312661U (en) | A kind of Hollow Compound support insulator | |
| CN206401827U (en) | A kind of novel flame-retardant insulation disjunctor spool and its connector and pipe connecting piece | |
| CN206976854U (en) | A kind of distribution box or wall current case, cabinet pole anti-theft and waterproof mechanism | |
| CN207117019U (en) | A kind of box-type substation | |
| CN207691216U (en) | A kind of moisture-proof high-tension switch cabinet of insect prevention | |
| CN207149328U (en) | A kind of electrification railway contact net bracket porcelain composite insulator | |
| CN206922365U (en) | Cable bond supplementary structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180223 |