CN112332363A - Intelligent explosion-proof box for high-low voltage cable connector - Google Patents
Intelligent explosion-proof box for high-low voltage cable connector Download PDFInfo
- Publication number
- CN112332363A CN112332363A CN202011363018.XA CN202011363018A CN112332363A CN 112332363 A CN112332363 A CN 112332363A CN 202011363018 A CN202011363018 A CN 202011363018A CN 112332363 A CN112332363 A CN 112332363A
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- China
- Prior art keywords
- explosion
- cable joint
- proof box
- low voltage
- voltage cable
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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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims abstract description 28
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 24
- 239000003292 glue Substances 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 230000002265 prevention Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000004880 explosion Methods 0.000 claims description 4
- 230000005674 electromagnetic induction Effects 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 230000001771 impaired effect Effects 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Images
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
- H02G15/08—Cable junctions
- H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
- G08B5/22—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission
- G08B5/36—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied using electric transmission; using electromagnetic transmission using visible light sources
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Cable Accessories (AREA)
Abstract
The invention relates to a cable protection device. The purpose provides a high low voltage cable joint intelligence explosion-proof box, and this explosion-proof box should be able to ensure that cable joint is difficult impaired to can carry out the fault alarm automatically, with the insulating safe and reliable of assurance cable joint. The technical scheme is as follows: the utility model provides an explosion-proof box of high-low voltage cable joint intelligence which characterized in that: the explosion-proof box comprises a detection assembly fixed on the outer surface of a cable joint and two locking members which have the same structure and completely cover the cable joint and the detection assembly after being correspondingly spliced; grooves which are matched with the outer contour of the cable connector are formed in the corresponding splicing surfaces of the two locking members, so that an inner cavity for accommodating the cable connector and the detection assembly is formed after splicing, wherein a transparent window for displaying detection information is formed in the upper locking member; a plurality of through holes are respectively formed in two sides of each embracing piece in the width direction, and the through holes of the two embracing pieces correspond to each other one by one so as to connect the two embracing pieces through penetrating and fastening of bolts.
Description
Technical Field
The invention relates to a cable protection device, in particular to an intelligent explosion-proof box for a high-low voltage cable connector.
Background
In the process of power transmission, a cable joint is an essential ring; the power consumers need to use cable connectors to lead out the power lines from the main cable (e.g., to lead out the shunt cable from the buried main cable) to obtain the required power. The conventional cable joint 10 is formed by wrapping an electric connection part of a cable 12 (see fig. 2: a bare conductor connection part of two cables) by using an insulating tape, and the insulating part of the cable joint is possibly damaged by collision and is likely to cause insulation failure or even generate heat and explosion due to rain and water seepage in the using process; and the cable joint faults (such as heating and heating) in the using process are discovered only by manual inspection, so that the efficiency is not high. There is a need for improvement.
Disclosure of Invention
The invention aims to overcome the defects of the background technology and provide an intelligent explosion-proof box for high-low voltage cable connectors, which can ensure that the cable connectors are not easy to damage and can automatically perform fault alarm so as to ensure the safety and reliability of the insulation of the cable connectors.
The invention provides the following technical scheme:
the utility model provides an explosion-proof box of high-low voltage cable joint intelligence which characterized in that: the explosion-proof box comprises a detection assembly fixed on the outer surface of a cable joint and two locking members which have the same structure and completely cover the cable joint and the detection assembly after being correspondingly spliced; grooves which are matched with the outer contour of the cable connector are formed in the corresponding splicing surfaces of the two locking members, so that an inner cavity for accommodating the cable connector and the detection assembly is formed after splicing, wherein a transparent window for displaying detection information is formed in the upper locking member; a plurality of through holes are respectively formed in two sides of each embracing piece in the width direction, and the through holes of the two embracing pieces correspond to each other one by one so as to connect the two embracing pieces through penetrating and fastening of bolts.
Two ends of each corresponding splicing surface in the length direction are respectively provided with a semi-annular groove for positioning a sealing ring, and the axis of each semi-annular groove is parallel to the length direction of the locking piece; after the two embracing pieces are spliced, the two semi-annular grooves are correspondingly spliced to form a complete annular groove, and the two sealing rings are respectively inserted and embedded in the annular groove to realize the sealing of the end face of the explosion-proof box.
The detection component comprises a sensing device electrically connected with the singlechip, a display screen electrically connected with the singlechip and an alarm acousto-optic element.
The sensing device comprises various sensors for acquiring the temperature, the humidity and the air pressure of the cable joint in real time and a current transformer for acquiring electric energy from the cable joint through electromagnetic induction to supply the single chip microcomputer and the various sensors to work.
The various sensors comprise a temperature sensor, a humidity sensor and an air pressure sensor.
The alarm acousto-optic element is a buzzer and a bulb which emits light when alarming.
The detection assembly is fixed on the outer surface of the cable connector through a hoop, and the hoop is connected with a small box which is provided with the detection assembly and a box cover.
The corresponding splicing surface of each locking piece is also provided with a long groove arranged along the edge of the groove; and a sealing strip for water prevention is inserted and positioned in the long groove.
Two holes communicated with the inner cavity are formed in the upper holding piece, namely a glue injection hole and an air vent for ventilation and explosion prevention, and seal heads for sealing the glue injection hole and the air vent are arranged on the upper holding piece respectively.
The invention has the beneficial effects that: according to the invention, the explosion-proof box is covered and fixed outside the conventional cable joint, so that the cable joint can be effectively protected from being damaged, the condition that the insulation performance of the cable joint is influenced or even exploded due to water seepage is avoided, and the safety and reliability of insulation are ensured. The configured current transformer can obtain corresponding electric energy through a magnetic field generated by the cable joint, and the electric energy is used by the singlechip and various sensors; the detection assembly can monitor the temperature of the cable joint and the humidity and air pressure of the environment in real time, and can send an alarm signal by the alarm acousto-optic element when the temperature rise exceeds a set target so as to prompt maintenance personnel to intervene.
Drawings
Fig. 1 is a schematic front view of an embodiment of the present invention.
Fig. 2 is an exploded view of the mounting structure of the embodiment of the present invention.
Fig. 3 is a schematic perspective view of the hoop according to the embodiment of the present invention.
FIG. 4 is a schematic perspective view of an upper clasp with a transparent window according to an embodiment of the present invention.
FIG. 5 is a schematic perspective view of the lower engaging member in the embodiment of the present invention.
Fig. 6 is a schematic view of the uncapping state of the small box connected by the hoop in the embodiment of the invention.
Fig. 7 is a schematic perspective view of a small box cover connected by a hoop according to an embodiment of the present invention.
Fig. 8 is a schematic perspective view of an embodiment of the present invention.
Detailed Description
The following further description is made with reference to the embodiments shown in the drawings.
The high-low voltage cable joint explosion-proof box shown in the attached drawing comprises a detection component 4 which is encircled on the outer surface of a cable joint and two embracing components with the same structure, wherein each embracing component is provided with a corresponding splicing surface 1-1, and the cable joint 10 and the detection component can be completely coated after the two embracing components are correspondingly spliced (preferably, the spliced appearance is cylindrical, and the two cylindrical ends are symmetrically arranged in a conical shape); in the detection component, the sensing device is electrically connected with the singlechip, and the display screen and the alarm acousto-optic element are also electrically connected with the singlechip (the detection component is omitted in the figure).
In the sensing device, various sensors (including a temperature sensor, a humidity sensor and an air pressure sensor) can acquire the temperature and the humidity of a cable joint and the air pressure of the environment in real time, and the current transformer acquires electric energy from the cable joint through electromagnetic induction so as to enable the single chip microcomputer and the various sensors to work.
The alarm acousto-optic element is a buzzer and an LED bulb which emits light after being electrified.
The detection assembly is fixed on the outer surface of the cable connector through an anchor ear 3, a small box 11 (connected with the small box into a whole through a screw) provided with a transparent box cover 11-1 is connected to the anchor ear, and the detection assembly is arranged in the small box; the display screen is positioned in the box and is opposite to the box cover (the box cover made of transparent materials); therefore, various detection data and alarm light displayed on the display screen can be directly seen from the outside.
The splicing surfaces 1-1 corresponding to the two embracing pieces have the same structure, and grooves 1-4 which are matched with the outer contour of the cable connector are formed on the splicing surfaces so as to form an inner cavity for accommodating the cable connector and the detection assembly after splicing; wherein, the upper holding piece 5 is provided with a transparent window 9 (the transparent window is aligned with the small box during installation) made of transparent material (such as glass), and the lower holding piece 1 does not need the transparent window. A plurality of through holes are respectively formed in two sides of each embracing member in the width direction (namely the width direction corresponding to the splicing surface), the through holes of the two embracing members correspond to each other one by one, and the two embracing members can be connected through penetrating and fastening of the bolts 8.
Two ends of each embracing piece in the length direction (namely the length direction of the corresponding splicing surface) are respectively provided with a semi-annular groove 1-3 of a positioning sealing ring, and the axis of the semi-annular groove is parallel to the length direction of the embracing piece; two half ring channels are correspondingly spliced to form a complete ring channel after the two embracing pieces are spliced, and the sealing ring 2 is inserted and embedded in the ring channel, so that the sealing of the end surface part of the explosion-proof box can be realized. The number of the sealing rings (the number of the annular grooves is the same as that of the sealing rings) can be determined according to the requirement.
The corresponding splicing surface of each locking piece is also provided with a long groove 1-2 arranged along the edge of the groove; and a sealing strip 7 for water prevention is inserted and positioned in the long groove.
Furthermore, two holes 6 communicated with the inner cavity are formed in the upper locking piece, namely a glue injection hole and an air vent for ventilation and explosion prevention, and a glue injection hole sealing head and an air vent sealing head are respectively configured on the upper locking piece.
The installation method comprises the following steps: before the cable joint is manufactured, the sealing ring is firstly sleeved on two cables in a penetrating way; after the cable joint is manufactured, firstly fixing the anchor ear with a small box (a detection assembly is pre-installed in the small box) on the cable joint, then oppositely embracing the cable joint and the anchor ear together by the concave surfaces of the two embracing pieces (attention is needed to ensure that the small box is aligned with the transparent window), and simultaneously adjusting the position of the sealing ring to be embedded into the semi-annular grooves of the two embracing pieces; then adjusting the position of the sealing strip to enable two sides of the sealing strip in the width direction to be simultaneously embedded into the long grooves of the two locking parts; and bolts are inserted into the through holes one by one to tightly fix the two clasping pieces into a whole. Finally, sealing glue can be injected into the glue injection hole to enhance the sealing performance of the cable joint; the air holes can be opened periodically to release the expansion gas in the groove in hot seasons to prevent the explosion-proof box from expanding and cracking.
Claims (9)
1. The utility model provides a high low voltage cable connects explosion-proof box which characterized in that: the explosion-proof box comprises a detection component (4) fixed on the outer surface of the cable joint and two locking components which have the same structure and completely cover the cable joint and the detection component after being correspondingly spliced; grooves (1-4) which are matched with the outer contour of the cable connector are formed in the corresponding splicing surfaces (1-1) of the two locking pieces so as to form an inner cavity for accommodating the cable connector and the detection assembly after splicing, wherein a transparent window for displaying detection information is formed in the upper locking piece; a plurality of through holes (7-5) are respectively formed in two sides of each embracing piece in the width direction, and the through holes of the two embracing pieces correspond to each other one by one so as to connect the two embracing pieces through penetrating and fastening of a bolt (11).
2. The explosion-proof box of high-low voltage cable joint of claim 1, characterized in that: two ends of each corresponding splicing surface in the length direction are respectively provided with a semi-annular groove (1-3) of a positioning sealing ring (2), and the axis of the semi-annular groove is parallel to the length direction of the locking piece; after the two embracing pieces are spliced, the two semi-annular grooves are correspondingly spliced to form a complete annular groove, and the two sealing rings are respectively inserted and embedded in the annular groove to realize the sealing of the end face of the explosion-proof box.
3. The explosion-proof box of high-low voltage cable joint of claim 2, characterized in that: the detection component comprises a sensing device electrically connected with the singlechip, a display screen electrically connected with the singlechip and an alarm acousto-optic element.
4. A high and low voltage cable joint explosion-proof box according to claim 3, wherein: the sensing device comprises various sensors for acquiring the temperature, the humidity and the air pressure of the cable joint in real time and a current transformer for acquiring electric energy from the cable joint through electromagnetic induction to supply the single chip microcomputer and the various sensors to work.
5. A high and low voltage cable joint explosion-proof box according to claim 3, wherein: the various sensors comprise a temperature sensor, a humidity sensor and an air pressure sensor.
6. The explosion-proof box of high-low voltage cable joint of claim 5, wherein: the alarm acousto-optic element is a buzzer and a bulb which emits light when alarming.
7. The explosion-proof box of high-low voltage cable joint of claim 6, wherein: the detection component is fixed on the outer surface of the cable connector through a hoop, and the hoop is connected with a small box (11) which is provided with the detection component and a box cover (11-1).
8. The explosion-proof box of high-low voltage cable joint of claim 7, wherein: the corresponding splicing surface of each holding piece is also provided with a long groove (1-2) arranged along the edge of the groove; and a sealing strip (7) for water prevention is inserted and positioned in the long groove.
9. The explosion-proof box of high-low voltage cable joint of claim 8, wherein: two holes (6) communicated with the inner cavity are formed in the upper holding piece, and are respectively a glue injection hole and an air vent for ventilation and explosion prevention, and seal heads for sealing the glue injection hole and the air vent are respectively configured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011363018.XA CN112332363A (en) | 2020-11-27 | 2020-11-27 | Intelligent explosion-proof box for high-low voltage cable connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011363018.XA CN112332363A (en) | 2020-11-27 | 2020-11-27 | Intelligent explosion-proof box for high-low voltage cable connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112332363A true CN112332363A (en) | 2021-02-05 |
Family
ID=74309728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011363018.XA Pending CN112332363A (en) | 2020-11-27 | 2020-11-27 | Intelligent explosion-proof box for high-low voltage cable connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112332363A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205039508U (en) * | 2015-10-13 | 2016-02-17 | 廊坊辰瑞电气有限公司 | Cable intermediate joint waterproof explosion -proof box |
| CN107196080A (en) * | 2017-06-23 | 2017-09-22 | 秉岳电气(上海)有限公司 | Cable connector |
| CN207410002U (en) * | 2017-11-13 | 2018-05-25 | 国网浙江省电力公司绍兴供电公司 | A kind of cable joint explosion-proof box |
| CN208890334U (en) * | 2018-10-22 | 2019-05-21 | 浙江亿安电力电子科技有限公司 | A kind of Intelligent cable transition joint armored cassette |
| CN209841211U (en) * | 2018-12-03 | 2019-12-24 | 中国电力科学研究院有限公司 | Cable running temperature measuring device installed on cable hoop |
| CN110768201A (en) * | 2019-11-01 | 2020-02-07 | 国网浙江慈溪市供电有限公司 | Explosion-proof box for cable intermediate head |
| JP2020068548A (en) * | 2018-10-22 | 2020-04-30 | アズビル株式会社 | Cable gland |
| CN210638827U (en) * | 2019-11-23 | 2020-05-29 | 河北北阳通信科技有限公司 | Contact type high-low voltage cable joint contact temperature real-time wireless detection device |
| CN213906278U (en) * | 2020-11-27 | 2021-08-06 | 杭州洪鑫电力科技有限公司 | Intelligent explosion-proof box for high-low voltage cable connector |
-
2020
- 2020-11-27 CN CN202011363018.XA patent/CN112332363A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205039508U (en) * | 2015-10-13 | 2016-02-17 | 廊坊辰瑞电气有限公司 | Cable intermediate joint waterproof explosion -proof box |
| CN107196080A (en) * | 2017-06-23 | 2017-09-22 | 秉岳电气(上海)有限公司 | Cable connector |
| CN207410002U (en) * | 2017-11-13 | 2018-05-25 | 国网浙江省电力公司绍兴供电公司 | A kind of cable joint explosion-proof box |
| CN208890334U (en) * | 2018-10-22 | 2019-05-21 | 浙江亿安电力电子科技有限公司 | A kind of Intelligent cable transition joint armored cassette |
| JP2020068548A (en) * | 2018-10-22 | 2020-04-30 | アズビル株式会社 | Cable gland |
| CN209841211U (en) * | 2018-12-03 | 2019-12-24 | 中国电力科学研究院有限公司 | Cable running temperature measuring device installed on cable hoop |
| CN110768201A (en) * | 2019-11-01 | 2020-02-07 | 国网浙江慈溪市供电有限公司 | Explosion-proof box for cable intermediate head |
| CN210638827U (en) * | 2019-11-23 | 2020-05-29 | 河北北阳通信科技有限公司 | Contact type high-low voltage cable joint contact temperature real-time wireless detection device |
| CN213906278U (en) * | 2020-11-27 | 2021-08-06 | 杭州洪鑫电力科技有限公司 | Intelligent explosion-proof box for high-low voltage cable connector |
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