CN202486113U - Device for testing combustion performance of cable - Google Patents
Device for testing combustion performance of cable Download PDFInfo
- Publication number
- CN202486113U CN202486113U CN2012200792793U CN201220079279U CN202486113U CN 202486113 U CN202486113 U CN 202486113U CN 2012200792793 U CN2012200792793 U CN 2012200792793U CN 201220079279 U CN201220079279 U CN 201220079279U CN 202486113 U CN202486113 U CN 202486113U
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- China
- Prior art keywords
- test cable
- circular duct
- fork
- flue gas
- firing chamber
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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.)
- Expired - Lifetime
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Abstract
The utility model relates to a device for testing the combustion performance of a cable. The device comprises a fan, a combustion chamber, a fork-shaped air pipe, a circular air pipe, a smoke density observation window and a flue gas lead-out hole, wherein a fan frame is arranged at the rear end of the combustion chamber, and is connected with the combustion chamber by a fan pipeline; the fork-shaped air pipe is connected in the front of the combustion chamber; the circular air pipe is connected at the front end of the fork-shaped air pipe; a smoke density observation chamber is arranged at the front part of the circular air pipe; and the flue gas lead-out hole is formed at the front end of the circular air pipe. Compared with the prior art, the device has the advantages that structure is simple, use is convenient, application scope is wide and the like, and can be used for measuring the spread length of flame on a test cable after combustion, checking the flame retardance of the test cable, measuring the light transmittance of the smoke density of the discharged smoke in the pipeline in the combustion process and the like.
Description
Technical field
The utility model relates to a kind of test unit, especially relates to a kind of device that is used for the test cable burning performance.
Background technology
The existing so far over one hundred year history of the use of cable; Cable insulation material has paper oil insulation, not drip paper oil insulation, oil-filled insulation, inflatable insulation, crosslinked polyethylene (XLPE) insulation etc., electric pressure by early stage a few hectovolt low-voltages to the above UHV (ultra-high voltage) of current 220kV.
Along with the expansion of socio-economic development and city size, the demand of electric power is also in continuous growth, and the construction of transmission line of electricity is the requisite important step of electric power development.Increasing substantially of number of cables and transmission capacity makes the construction electric power tunnel become electric power conveying efficient ways.With the transfer passage of tunnel as power cable, both reduced floor area, avoided duplicate construction, also reserved space widely for development in the future.Because the importance of power cable tunnel, adopting rational fire protection is the problem that must pay attention to during the cable tunnel is built with the safe operation that ensures the tunnel.
Through introduction, analyzed the main cause of breaking out of fire in the cable tunnel, and proposed solution targetedly with regard to these reasons to domestic and international power cable tunnel ruuning situation.Along with the continuous progress of science and technology, the use of power cable forwards twisted polyethylene cable to by oil-filled cable gradually at present, and the insulating dielectric layer of cable is also obtained great improvement at technology, aspect of performance.Simultaneously the operator scheme that generally makes original craftization of preparation joint changes in the factory mechanization production and strict quality control into and controls, and uncontrollable factor has been dropped to minimum, and operation steps is simple, convenient for installation and maintenance during site operation.Can stop basically because of the caused cable splice fault of site operation quality, guarantee that the safety of circuit connects.
The corresponding protection measure has also been taked in electric system in addition; Do not adopt reclosing like tunnel inner cable circuit; The relay protection measure guarantees when overload or electric network fault can be with faulty line excision etc. fast; In a single day cable line is broken down, out of service at once, avoided the further expansion of fault.Nor charged burning possibly take place.The relay protection measure that the development of cable technology, the use of preparation joint, electric system are taked all makes the fault of power cable, the possibility occurrence of fire reduce greatly.
The utility model content
The purpose of the utility model is exactly to provide a kind of simple in structure for the defective that overcomes above-mentioned prior art existence, and is easy to use, the device that is used for the test cable burning performance that the scope of application is extensive.
The purpose of the utility model can realize through following technical scheme:
A kind of device that is used for the test cable burning performance; Comprise blower fan, firing chamber, fork-shaped airduct, circular duct, smoke density view window and flue gas outlet, described blower fan is erected at the rear end of firing chamber, is connected with the firing chamber through Fan pipeline; Described fork-shaped airduct is connected the front portion of firing chamber; Described circular duct is connected the front end of fork-shaped airduct, and described smoke density observation ward is located at the front portion of circular duct, and described flue gas outlet is located at the front end of circular duct.
Described blower fan is provided with two, supports on the ground through fan supporter.
Be provided with the air door of control air quantity in the described Fan pipeline.
Be equipped with test cable in the described firing chamber, the below of this test cable is provided with the burning blowtorch.
Described burning blowtorch is located at 75mm place, test cable below, and this burning blowtorch is that level is installed, and the flame face is vertical with the test cable that lays.
The Y shape structure that described fork-shaped airduct is a horizontally set, two interfaces of front end are connected with the firing chamber, and an interface of rear end is connected with circular duct.
The support of duct that the middle part of described circular duct is provided for supporting.
Described smoke density observation ward is a cylindrical-shaped structure, is vertically set on the front portion of circular duct.
The junction of described flue gas outlet and circular duct is provided with the air door of control air quantity, and the sidepiece of flue gas outlet is provided with induced draft fan.
Compared with prior art; The utility model is simple in structure, and is easy to use, and the scope of application is extensive; Can measure burning through the utility model finishes the flame-retarding characteristic that spread length, certification test cable of back flame on test cable, measures and discharge flue gas in the combustion process at ducted smoke density transmittance; The cigarette characteristic is produced in the burning of certification test cable, and can measure the toxicity of discharging flue gas in the combustion process, the flue gas toxity situation that the certification test cable fire produces.
Description of drawings
Fig. 1 is the main TV structure synoptic diagram of the utility model;
Fig. 2 is the plan structure synoptic diagram of the utility model;
Fig. 3 is the structural representation of firing chamber.
Among the figure 1 be blower fan, 2 for fan supporter, 3 for the firing chamber, 4 for the fork-shaped airduct, 5 for circular duct, 6 for support of duct, 7 for the smoke density view window, 8 for the flue gas outlet, 9 for air door, 10 for induced draft fan, 11 for burning blowtorch, 12 for test cable.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is elaborated.
Embodiment
A kind of device that is used for the test cable burning performance; Its structure is shown in Fig. 1～2; This device comprises blower fan 1, firing chamber 3, fork-shaped airduct 4, circular duct 5, smoke density view window 7 and flue gas outlet 8, and blower fan 1 is provided with two, supports on the ground through fan supporter 2; Be connected through the rear end of Fan pipeline, be provided with the air door 9 of control air quantity in the Fan pipeline with firing chamber 3.The structure of firing chamber 3 is as shown in Figure 3; In firing chamber 3, be equipped with test cable 12, the below of this test cable 12 be provided with the burning blowtorch 11, the burning blowtorch 11 be located at 75mm place, test cable 12 below; This burning blowtorch 11 is installed for level, and the flame face is vertical with the test cable that lays 12.Fork-shaped airduct 4 is connected the front portion of firing chamber 3, and fork-shaped airduct 4 is the Y shape structure of horizontally set, and two interfaces of front end are connected with firing chamber 3; An interface of rear end is connected with circular duct 5; The support of duct 6 that the middle part of circular duct 5 is provided for supporting supports circular duct 5 on the ground, and smoke density observation ward 7 is a cylindrical-shaped structure; Be vertically set on the front portion of circular duct 5; Flue gas outlet 8 is located at the front end of circular duct 5, and flue gas outlet 8 is provided with the air door 9 of controlling air quantity with the junction of circular duct 5, and the sidepiece of flue gas outlet 8 is provided with induced draft fan 10.
Fork-shaped airduct 4 and diameter are that the circular duct 5 of 406mm has been formed exhaust system; Fork-shaped airduct 4 is square, and the hole of surveying wind speed is arranged in the middle of the circular duct 5, and fork-shaped airduct 4 supports with circular duct 5 usefulness support of ducts 6; Connect the smoke density measurement bay behind the circular duct 5; The flue gas outlet 8 of one confession animal toxicity test is arranged before the smoke density measurement bay, a little aspiration pump and support are arranged, circular duct 5 is equipped with induced draft fan 10 at last.
During use, space distribution and the temperature of each measurement point and the relation of burning time of temperature when testing tunnel construction sections inherence cable fire with 12 temperature thermocouple measurements.Thereby calculate the heat that cable fire produced, can also measure burning and finishing back flame and on test cable, spread length, the flame-retarding characteristic of certification test cable; Measure and discharge flue gas in the combustion process at ducted smoke density transmittance, the cigarette characteristic is produced in the burning of certification test cable; Measure the toxicity of discharging flue gas in the combustion process, the flue gas toxity situation that the certification test cable fire produces.
Claims (9)
1. device that is used for the test cable burning performance; It is characterized in that; This device comprises blower fan, firing chamber, fork-shaped airduct, circular duct, smoke density view window and flue gas outlet, and described blower fan is erected at the rear end of firing chamber, is connected with the firing chamber through Fan pipeline; Described fork-shaped airduct is connected the front portion of firing chamber; Described circular duct is connected the front end of fork-shaped airduct, and described smoke density observation ward is located at the front portion of circular duct, and described flue gas outlet is located at the front end of circular duct.
2. a kind of device that is used for the test cable burning performance according to claim 1 is characterized in that described blower fan is provided with two, supports on the ground through fan supporter.
3. a kind of device that is used for the test cable burning performance according to claim 1 is characterized in that, is provided with the air door of control air quantity in the described Fan pipeline.
4. a kind of device that is used for the test cable burning performance according to claim 1 is characterized in that be equipped with test cable in the described firing chamber, the below of this test cable is provided with the burning blowtorch.
5. a kind of device that is used for the test cable burning performance according to claim 4 is characterized in that, described burning blowtorch is located at 75mm place, test cable below, and this burning blowtorch is that level is installed, and the flame face is vertical with the test cable that lays.
6. a kind of device that is used for the test cable burning performance according to claim 1 is characterized in that, the Y shape structure that described fork-shaped airduct is a horizontally set, and two interfaces of front end are connected with the firing chamber, and an interface of rear end is connected with circular duct.
7. a kind of device that is used for the test cable burning performance according to claim 1 is characterized in that the support of duct that the middle part of described circular duct is provided for supporting.
8. a kind of device that is used for the test cable burning performance according to claim 1 is characterized in that, described smoke density observation ward is a cylindrical-shaped structure, is vertically set on the front portion of circular duct.
9. a kind of device that is used for the test cable burning performance according to claim 1 is characterized in that, the junction of described flue gas outlet and circular duct is provided with the air door of control air quantity, and the sidepiece of flue gas outlet is provided with induced draft fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200792793U CN202486113U (en) | 2012-03-05 | 2012-03-05 | Device for testing combustion performance of cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200792793U CN202486113U (en) | 2012-03-05 | 2012-03-05 | Device for testing combustion performance of cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202486113U true CN202486113U (en) | 2012-10-10 |
Family
ID=46960528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200792793U Expired - Lifetime CN202486113U (en) | 2012-03-05 | 2012-03-05 | Device for testing combustion performance of cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202486113U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439359A (en) * | 2013-08-20 | 2013-12-11 | 国家电网公司 | High-voltage power cable tunnel fire-fighting test device and use method thereof |
| CN105021492A (en) * | 2015-07-27 | 2015-11-04 | 华侨大学 | Apparatus for testing cable heating and combustion characteristics under effect of simulating fault arc |
| CN105181748A (en) * | 2015-07-31 | 2015-12-23 | 华侨大学 | Test device for thermal properties and failure of cable under action of external radiation heat flows |
| CN105301173A (en) * | 2015-11-18 | 2016-02-03 | 四川华西九方电缆有限公司 | Metal sheath inorganic mineral insulation electric cable fire resistance performance testing method |
| CN109270207A (en) * | 2018-09-28 | 2019-01-25 | 江西圣塔电缆科技有限公司 | A kind of detection device of cleaning cable |
| CN113899850A (en) * | 2021-09-29 | 2022-01-07 | 国网安徽省电力有限公司电力科学研究院 | Cable combustion performance testing device for simulating cable channel environment and using method |
-
2012
- 2012-03-05 CN CN2012200792793U patent/CN202486113U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103439359A (en) * | 2013-08-20 | 2013-12-11 | 国家电网公司 | High-voltage power cable tunnel fire-fighting test device and use method thereof |
| CN105021492A (en) * | 2015-07-27 | 2015-11-04 | 华侨大学 | Apparatus for testing cable heating and combustion characteristics under effect of simulating fault arc |
| CN105021492B (en) * | 2015-07-27 | 2017-10-27 | 华侨大学 | Cable heated and combustion characteristics test device under a kind of simulated failure arcing |
| CN105181748A (en) * | 2015-07-31 | 2015-12-23 | 华侨大学 | Test device for thermal properties and failure of cable under action of external radiation heat flows |
| CN105181748B (en) * | 2015-07-31 | 2017-10-20 | 华侨大学 | Cable heated characteristic and failure system safety testing device under the effect of external radiation hot-fluid |
| CN105301173A (en) * | 2015-11-18 | 2016-02-03 | 四川华西九方电缆有限公司 | Metal sheath inorganic mineral insulation electric cable fire resistance performance testing method |
| CN109270207A (en) * | 2018-09-28 | 2019-01-25 | 江西圣塔电缆科技有限公司 | A kind of detection device of cleaning cable |
| CN109270207B (en) * | 2018-09-28 | 2021-06-04 | 江西圣塔电缆科技有限公司 | Detection apparatus for clean cable |
| CN113899850A (en) * | 2021-09-29 | 2022-01-07 | 国网安徽省电力有限公司电力科学研究院 | Cable combustion performance testing device for simulating cable channel environment and using method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Li Inventor after: Li Hai Inventor after: Wang Mei Inventor after: Bian Xiaochun Inventor before: Zhang Li Inventor before: Li Hai Inventor before: Wang Mei Inventor before: Bian Xiaochun |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121010 |