CN104635071A - Cable current resistance testing device and testing method - Google Patents
Cable current resistance testing device and testing method Download PDFInfo
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- CN104635071A CN104635071A CN201310567290.3A CN201310567290A CN104635071A CN 104635071 A CN104635071 A CN 104635071A CN 201310567290 A CN201310567290 A CN 201310567290A CN 104635071 A CN104635071 A CN 104635071A
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- cable
- fastener
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- wiring
- resistance
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Abstract
The invention provides a cable current resistance testing device which comprises a current regulator, am ampere meter, a first wiring snapper and a second wiring snapper, the current regulator comprises a first interface and a second interface, the ampere meter is electrically connected between the first wiring snapper and the first interface, the second wiring snapper is electrically to the second interface, a cable to be tested is electrically connected between the first wiring snapper and the second wiring snapper, the cable to be tested, the ampere meter and the current regulator commonly form a loop, and current resistance of the cable to be tested is tested. The invention further provides a testing method so as to realize testing of the current resist of the cable to be tested.
Description
Technical field
The present invention relates to cable technical field of measurement and test, particularly relate to a kind of cable proving installation of resistance to current capability and method of testing.
Background technology
In light fixture use procedure, the carrier of powering to light fixture is cable, so the fine or not direct relation of cable the reliability of light fixture, whether security is guaranteed.Cable consist of two parts: 1, core, namely conductor part, Main Function is the carrier providing electric power to light fixture; 2, insulating sheath (insulation course), mainly protects core, prevents human electric shock or other potential safety hazard.When the core of cable is loaded into excessive electric current, core can be caused hot, be heated deliquescing, the burning of cable insulation course be damaged, causes light fixture to damage and the generation of security incident.So the resistance to current capability of cable just must be considered at the beginning of Design of Luminaires.The cable direct relation of resistance to current capability light fixture use environmental suitability whether meet actual operation requirements.And in prior art, do not have dependence test device can the resistance to current capability of test cable line.
Summary of the invention
The object of the present invention is to provide a kind of cable proving installation of resistance to current capability and method of testing.
In order to solve the problems of the technologies described above, on the one hand, the invention provides a kind of cable proving installation of resistance to current capability and comprise light adjuster, reometer, first wiring snap-fastener and the second wiring snap-fastener, described light adjuster comprises first interface and the second interface, described reometer is electrically connected between described first wiring snap-fastener and described first interface, described second wiring snap-fastener is electrically connected to described second interface, cable to be tested is electrically connected between described first wiring snap-fastener and described second wiring snap-fastener, described cable to be tested, described reometer and described light adjuster form loop jointly, thus realize the test of the resistance to current capability of described cable to be tested.
Wherein, between described reometer and described first wiring snap-fastener, between described reometer and described first interface and between described second wiring snap-fastener and described second interface, all realize electrical connection by resistance to current wire.
Wherein, the described cable proving installation of resistance to current capability also comprises voltage table, and described voltage table is electrically connected between described first wiring snap-fastener and described second wiring snap-fastener, for detecting the magnitude of voltage at described cable two ends to be tested.
Wherein, described first wiring snap-fastener comprises body and button, described body is provided with wiring hole, described button activity is connected to described body, when pressing described button, described wiring hole is open-minded, and the core for cable to be tested inserts, when unclamping described button, the core of the described cable to be tested of described first wiring snap-fastener clamping.
Wherein, the described cable proving installation of resistance to current capability also comprises base, and described light adjuster, described first wiring snap-fastener and described second wiring snap-fastener are fixed on described base.
The present invention also provides a kind of method of testing, and for testing the resistance to current capability of cable to be tested, described method of testing comprises: be connected in series with by reometer between the first interface of light adjuster and the first wiring snap-fastener; Second wiring snap-fastener is electrically connected to the second interface of described light adjuster; Cable to be tested is electrically connected between described first wiring snap-fastener and described second wiring snap-fastener, makes described cable to be tested, described reometer and described light adjuster jointly form loop; Described loop is energized; Regulate described light adjuster to change the electric current by described cable to be tested, make to be greater than described cable rated current to be tested by the electric current of described cable to be tested, and continued power; Detect described cable to be tested whether deliquescing or scaling loss.
Wherein, regulate described light adjuster to change the electric current by described cable to be tested, make to be greater than described cable rated current to be tested by the electric current of described cable to be tested, and in the process of continued power, by 1.25 times that the electric current of described cable to be tested is described cable rated current to be tested, and continue energising time be 2 hours.
Wherein, between described reometer and described first wiring snap-fastener, between described reometer and described first interface and between described second wiring snap-fastener and described second interface, all realize electrical connection by resistance to current wire.
Wherein, described resistance to current wire can the 50A of resistance to electric current.
Wherein, also comprise and voltage table is electrically connected between described first wiring snap-fastener and described second wiring snap-fastener, for detecting the magnitude of voltage at described cable two ends to be tested.
The cable proving installation of resistance to current capability provided by the invention and method of testing can the resistance to current capabilities of test cable line, ensure cable security in use.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic perspective view of a kind of cable proving installation of resistance to current capability that better embodiment of the present invention provides.
Embodiment
Below in conjunction with the accompanying drawing in embodiment of the present invention, the technical scheme in embodiment of the present invention is clearly and completely described.
Refer to Fig. 1, the invention provides a kind of cable proving installation of resistance to current capability 100, comprise light adjuster 10, reometer 20, first wiring snap-fastener 30 and the second wiring snap-fastener 40, described light adjuster 10 comprises first interface 12 and the second interface 14, described reometer 20 is electrically connected between described first wiring snap-fastener 30 and described first interface 12, described second wiring snap-fastener 40 is electrically connected to described second interface 14, cable 200 to be tested is electrically connected between described first wiring snap-fastener 30 and described second wiring snap-fastener 40, described cable to be tested 200, described reometer 20 and described light adjuster 10 form loop jointly, thus realize the test of the resistance to current capability of described cable to be tested 200.
Specifically, light adjuster 10 comprises handle 16, regulates electric current by rotary handle 16.
Between described reometer 20 and described first wiring snap-fastener 30, between described reometer 20 and described first interface 12 and between described second wiring snap-fastener 40 and described second interface 14, all realize electrical connection by resistance to current wire.The epidermis of resistance to current wire is the insulation course of fire proofing material, as: silicon rubber.
The described cable proving installation of resistance to current capability 100 also comprises voltage table 50, and described voltage table 50 is electrically connected between described first wiring snap-fastener 30 and described second wiring snap-fastener 40, for detecting the magnitude of voltage at described cable to be tested 200 two ends.The current value that reometer 20 passes through for show circuit, can calculate the power of cable 200 to be tested by current value and magnitude of voltage.
Described first wiring snap-fastener 30 comprises body 32 and button 34, described body 32 is provided with wiring hole 322, described button 34 is articulated to described body 32, when pressing described button 34, described wiring hole 322 is open-minded, core for cable 200 to be tested inserts, and when unclamping described button 34, described first wiring snap-fastener 30 clamps the core of described cable to be tested 200.Specifically, for elasticity is connected between button 34 with body 32, spring is arranged on body 32 inner and support between body 32 and button 34, under state of nature, i.e. button 34 situation about not stressing, button 34 supported by spring, and button 34 blocks wiring hole 322, press 34 li, described button, spring by compression, wiring hole 322 is open-minded, the core of cable 200 to be tested can be inserted the first wiring snap-fastener 30 and be electrically connected with reometer 20.First wiring snap-fastener 30 and the second wiring snap-fastener 40 tool resistance to elevated temperatures, can be high temperature resistant 200 DEG C.
Second wiring snap-fastener 40 is identical with the structure of the first wiring snap-fastener 30, no longer describes in detail.
In present embodiment, the described cable proving installation of resistance to current capability 100 also comprises base 60, and described light adjuster 10, described first wiring snap-fastener 30 and described second wiring snap-fastener 40 are fixed on described base 60.
Reometer 20 is connected with base 60 detachably with voltage table 50, and due to the cable to be tested 200 for different rated current, required measuring current is also different, and the syndeton of separate type is convenient to change.
The present invention also provides a kind of method of testing, and for testing the resistance to current capability of cable 200 to be tested, described method of testing comprises: be connected in series with by reometer 20 between the first interface 12 of light adjuster 10 and the first wiring snap-fastener 30; Second wiring snap-fastener 40 is electrically connected to the second interface 14 of described light adjuster 10; Cable 200 to be tested is electrically connected between described first wiring snap-fastener 30 and described second wiring snap-fastener 40, makes described cable to be tested 200, described reometer 20 and described light adjuster 10 jointly form loop; Described loop is energized; Regulate described light adjuster 10 to change the electric current by described cable 200 to be tested, make to be greater than described cable to be tested 200 rated current by the electric current of described cable 200 to be tested, and continued power; Detect described cable to be tested 200 whether deliquescing or scaling loss.If there is the abnormal occurrence such as deliquescing or scaling loss, cable 200 to be tested is defective, otherwise then qualified.
Regulate described light adjuster 10 to change the electric current by described cable 200 to be tested, make to be greater than described cable to be tested 200 rated current by the electric current of described cable 200 to be tested, and in the process of continued power, by 1.25 times that the electric current of described cable 200 to be tested is described cable to be tested 200 rated current, and continue energising time be 2 hours.
Between described reometer 20 and described first wiring snap-fastener 30, between described reometer 20 and described first interface 12 and between described second wiring snap-fastener 40 and described second interface 14, all realize electrical connection by resistance to current wire.
Described resistance to current wire can the 50A of resistance to electric current, and the epidermis of resistance to current wire is the insulation course of fire proofing material, as: silicon rubber.
Method of testing provided by the invention also comprises and is electrically connected between described first wiring snap-fastener 30 and described second wiring snap-fastener 40 by voltage table 50, for detecting the magnitude of voltage at described cable to be tested 200 two ends.
The test of the resistance to current capability of cable 200 to be tested can be realized by the cable proving installation of resistance to current capability 100 provided by the invention and method of testing, ensure cable 200 to be tested security in use, reliability and environmental suitability.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. the cable proving installation of resistance to current capability, it is characterized in that, the described cable proving installation of resistance to current capability comprises light adjuster, reometer, first wiring snap-fastener and the second wiring snap-fastener, described light adjuster comprises first interface and the second interface, described reometer is electrically connected between described first wiring snap-fastener and described first interface, described second wiring snap-fastener is electrically connected to described second interface, cable to be tested is electrically connected between described first wiring snap-fastener and described second wiring snap-fastener, described cable to be tested, described reometer and described light adjuster form loop jointly, thus realize the test of the resistance to current capability of described cable to be tested.
2. the cable proving installation of resistance to current capability as claimed in claim 1, it is characterized in that, between described reometer and described first wiring snap-fastener, between described reometer and described first interface and between described second wiring snap-fastener and described second interface, all realize electrical connection by resistance to current wire.
3. the cable proving installation of resistance to current capability as claimed in claim 1, it is characterized in that, the described cable proving installation of resistance to current capability also comprises voltage table, described voltage table is electrically connected between described first wiring snap-fastener and described second wiring snap-fastener, for detecting the magnitude of voltage at described cable two ends to be tested.
4. the cable proving installation of resistance to current capability as claimed in claim 1, it is characterized in that, described first wiring snap-fastener comprises body and button, described body is provided with wiring hole, and described button activity is connected to described body, when pressing described button, described wiring hole is open-minded, core for cable to be tested inserts, when unclamping described button, and the core of the described cable to be tested of described first wiring snap-fastener clamping.
5. the cable proving installation of resistance to current capability as described in claim 1 to claim 4 any one, it is characterized in that, the described cable proving installation of resistance to current capability also comprises base, and described light adjuster, described first wiring snap-fastener and described second wiring snap-fastener are fixed on described base.
6. a method of testing, for testing the resistance to current capability of cable to be tested, it is characterized in that, described method of testing comprises: be connected in series with by reometer between the first interface of light adjuster and the first wiring snap-fastener; Second wiring snap-fastener is electrically connected to the second interface of described light adjuster; Cable to be tested is electrically connected between described first wiring snap-fastener and described second wiring snap-fastener, makes described cable to be tested, described reometer and described light adjuster jointly form loop; Described loop is energized; Regulate described light adjuster to change the electric current by described cable to be tested, make to be greater than described cable rated current to be tested by the electric current of described cable to be tested, and continued power; Detect described cable to be tested whether deliquescing or scaling loss.
7. method of testing as claimed in claim 6, it is characterized in that, regulate described light adjuster to change the electric current by described cable to be tested, make to be greater than described cable rated current to be tested by the electric current of described cable to be tested, and in the process of continued power, by 1.25 times that the electric current of described cable to be tested is described cable rated current to be tested, and continue energising time be 2 hours.
8. method of testing as claimed in claim 6, it is characterized in that, between described reometer and described first wiring snap-fastener, between described reometer and described first interface and between described second wiring snap-fastener and described second interface, all realize electrical connection by resistance to current wire.
9. method of testing as claimed in claim 8, it is characterized in that, described resistance to current wire can the 50A of resistance to electric current.
10. method of testing as claimed in claim 6, is characterized in that, also comprise and be electrically connected between described first wiring snap-fastener and described second wiring snap-fastener by voltage table, for detecting the magnitude of voltage at described cable two ends to be tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310567290.3A CN104635071A (en) | 2013-11-14 | 2013-11-14 | Cable current resistance testing device and testing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310567290.3A CN104635071A (en) | 2013-11-14 | 2013-11-14 | Cable current resistance testing device and testing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104635071A true CN104635071A (en) | 2015-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310567290.3A Pending CN104635071A (en) | 2013-11-14 | 2013-11-14 | Cable current resistance testing device and testing method |
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| CN (1) | CN104635071A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109212368A (en) * | 2018-11-02 | 2019-01-15 | 贵州电网有限责任公司 | A kind of resistance to lightning current ablation capability assessment method of lead wire and earth wire in transmission line |
-
2013
- 2013-11-14 CN CN201310567290.3A patent/CN104635071A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109212368A (en) * | 2018-11-02 | 2019-01-15 | 贵州电网有限责任公司 | A kind of resistance to lightning current ablation capability assessment method of lead wire and earth wire in transmission line |
| CN109212368B (en) * | 2018-11-02 | 2020-12-01 | 贵州电网有限责任公司 | Method for evaluating lightning current ablation resistance of ground wire of power transmission line |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150520 |
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| WD01 | Invention patent application deemed withdrawn after publication |