CN105116252A - Test device for heating DC cable - Google Patents

Test device for heating DC cable Download PDF

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Publication number
CN105116252A
CN105116252A CN201510510988.0A CN201510510988A CN105116252A CN 105116252 A CN105116252 A CN 105116252A CN 201510510988 A CN201510510988 A CN 201510510988A CN 105116252 A CN105116252 A CN 105116252A
Authority
CN
China
Prior art keywords
heating
direct current
current cables
transformer
regulation button
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
Application number
CN201510510988.0A
Other languages
Chinese (zh)
Inventor
石磊
高晓彬
祁光峰
何李丽
马江海
王小萌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Yucheng Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Yucheng Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Yucheng Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201510510988.0A priority Critical patent/CN105116252A/en
Publication of CN105116252A publication Critical patent/CN105116252A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a test device for heating a DC cable. The test device comprises a transformer, a bridge rectification circuit, a heating device, a test box, a display screen, a microcontroller, a control panel, a voltage adjusting button, a heating adjusting button, a timing switch, a temperature sensor, a protective door, a sealing bar, an observation window, a tested DC cable, a heating cabin, and a hinge. The transformer is electrically connected with the input end of the bridge rectification circuit. The transformer and the bridge rectification circuit are both installed in the test box. The heating device is installed on the top of the heating cabin. The tested DC cable is electrically connected with the output end of the bridge rectification circuit and passes through the inner wall of the heating cabin to extend into the heating cabin. The microcontroller is electrically connected with the display screen, the transformer, and the heating device. The test device for heating the DC cable may heat the interior and the exterior of the DC cable and may comprehensively perform a heating test on the DC cable.

Description

A kind of test unit for direct current cables heating
Technical field
The present invention relates to electric cable heating experimental provision technical field, be specially a kind of test unit for direct current cables heating .
Background technology
The test unit of direct current cables heating is that a kind of heating direct current cables reaches aging test unit, at present, market there is the test unit that various direct current cables heats, but their type of heating is single, the temperature of direct current cables inside is just changed by the size of transformer change input current, carry out heat test, do not consider the impact that outside bad border is aging on cable, thus can not the object of understanding heating to direct current cables aging test of objective, thus the test demand of people can not be met.
Summary of the invention
The invention provides a kind of test unit for direct current cables heating, be mainly used in carrying out heat test to direct current cables, the present invention not only can carry out heat test by the size changing electric current to direct current cables, also heat test can be carried out by heating arrangement to the outside of direct current cables, heat test can also be carried out by inside and outside to direct current cables simultaneously, more accurately objectively can carry out heat test to direct current cables, solve DC current heating problems, reach the problem that electric cable heating is aging, structure is simple, easy to operate, test accurately.
For solving the problem, the embodiment of the present application provides a kind of test unit for direct current cables heating, comprises transformer, bridge rectifier circuit and heating arrangement, is characterized in that: also comprise chamber, display screen, microcontroller, control panel, voltage-regulation button, heat regulation button, time switch, temperature sensor, protective door, sealing strip, view window, tested direct current cables, heating cabinet and hinge, the front upper portion of described chamber is provided with control panel, and control panel is provided with display screen, voltage-regulation button, heat regulation button and time switch, described microcontroller is arranged in chamber, the input end of described transformer and bridge rectifier circuit is electrically connected, and be installed in chamber, the right side of described chamber is provided with heating cabinet, the top of described heating cabinet is provided with heating arrangement, described temperature sensor is arranged on the inwall on the left of heating cabinet, the output terminal of described tested direct current cables and bridge rectifier circuit is electrically connected, and extend in heating cabinet through the inwall of heating cabinet, described voltage-regulation button, heat regulation button, time switch and temperature sensor electrically input connection microcontroller, and microcontroller electrically inputs connection display screen, transformer and heating arrangement.
As the preferred embodiment of this programme, described tested direct current cables is connected for active with the output terminal of bridge rectifier circuit.
As the preferred embodiment of this programme, described heating cabinet is fixedly connected with by hinge with protective door, and the inner side surrounding of protective door is provided with sealing strip, and protective door is provided with view window.
As the preferred embodiment of this programme, four field effect transistor that described bridge rectifier circuit is controlled by PWM controller form.
The one or more technical schemes provided in the embodiment of the present application, at least there is following technique effect or advantage: not only can carry out heat test by the size changing electric current to direct current cables, also heat test can be carried out by heating arrangement to the outside of direct current cables, heat test can also be carried out by inside and outside to direct current cables simultaneously, more accurately objectively can carry out heat test to direct current cables, solve DC current heating problems, reach the problem that electric cable heating is aging, structure is simple, easy to operate, test accurately.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art 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 structural representation of the present invention;
Fig. 2 is theory diagram of the present invention;
In figure: 1 chamber, 2 display screens, 3 microcontrollers, 4 control panels, 5 voltage-regulation buttons, 6 heat regulation buttons, 7 time switches, 8 transformers, 9 bridge rectifier circuits, 10 temperature sensors, 11 heating arrangements, 12 protective doors, 13 sealing strips, 14 view windows, 15 tested direct current cables, 16 heating cabinets and 17 hinges.
Embodiment
The invention provides a kind of test unit for direct current cables heating, be mainly used in carrying out heat test to direct current cables, the present invention not only can carry out heat test by the size changing electric current to direct current cables, also heat test can be carried out by heating arrangement to the outside of direct current cables, heat test can also be carried out by inside and outside to direct current cables simultaneously, more accurately objectively can carry out heat test to direct current cables, solve DC current heating problems, reach the problem that electric cable heating is aging, structure is simple, easy to operate, test accurately.
In order to better understand technique scheme, below in conjunction with Figure of description and concrete embodiment, technique scheme is described in detail.
Refer to shown in Fig. 1-2, a kind of test unit for direct current cables heating, comprise transformer 8, bridge rectifier circuit 9 and heating arrangement 11, it is characterized in that: also comprise chamber 1, display screen 2, microcontroller 3, control panel 4, voltage-regulation button 5, heat regulation button 6, time switch 7, temperature sensor 10, protective door 12, sealing strip 13, view window 14, tested direct current cables 15, heating cabinet 16 and hinge 17, the front upper portion of described chamber 1 is provided with control panel 4, control panel 4 is provided with display screen 2, voltage-regulation button 5, heat regulation button 6 and time switch 7, display screen 2 can show the temperature in heating cabinet 16, voltage-regulation button 5, heat regulation button 6 and time switch 7 can control the temperature of heating arrangement 11 respectively, the input voltage of transformer 8 and the heat time of heating arrangement 11, described microcontroller 3 is arranged in chamber 1, four field effect transistor that described bridge rectifier circuit 9 is controlled by PWM controller form, described transformer 8 is electrically connected with the input end of bridge rectifier circuit 9, and be installed in chamber 1, low pressure can be upgraded to high pressure by transformer 8, increase size of current, the right side of described chamber 1 is provided with heating cabinet 16, the top of described heating cabinet 16 is provided with heating arrangement 11, heating arrangement 11 can heat the outside of tested direct current cables 15, described temperature sensor 10 is arranged on the inwall on the left of heating cabinet 16, described tested direct current cables 15 is electrically connected with the output terminal of bridge rectifier circuit 9, and extend in heating cabinet 16 through the inwall of heating cabinet 16, described tested direct current cables 15 is connected for active with the output terminal of bridge rectifier circuit 9, arbitrarily can change tested direct current cables 15, described heating cabinet 16 is fixedly connected with by hinge 17 with protective door 12, the inner side surrounding of protective door 12 is provided with sealing strip 13, protective door 12 is provided with view window 14, sealing strip 13 can effectively prevent the heat losses in heating cabinet 16 and affect test findings, view window 14 can be convenient for people to the monitoring to test in heating cabinet 16, described voltage-regulation button 5, heat regulation button 6, time switch 7 and temperature sensor 10 electrically input are connected microcontroller 3, microcontroller 3 electrically input connects display screen 2, transformer 8 and heating arrangement 11.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, therefore all changes be intended in the implication of the equivalency by dropping on claim and scope are included in the present invention, any Reference numeral in claim should be considered as the claim involved by limiting.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.

Claims (4)

1., for a test unit for direct current cables heating, comprise transformer (8), bridge rectifier circuit (9) and heating arrangement (11), is characterized in that: also comprise chamber (1), display screen (2), microcontroller (3), control panel (4), voltage-regulation button (5), heat regulation button (6), time switch (7), temperature sensor (10), protective door (12), sealing strip (13), view window (14), tested direct current cables (15), heating cabinet (16) and hinge (17), the front upper portion of described chamber (1) is provided with control panel (4), control panel (4) is provided with display screen (2), voltage-regulation button (5), heat regulation button (6) and time switch (7), described microcontroller (3) is arranged in chamber (1), described transformer (8) is electrically connected with the input end of bridge rectifier circuit (9), and be installed in chamber (1), the right side of described chamber (1) is provided with heating cabinet (16), the top of described heating cabinet (16) is provided with heating arrangement (11), described temperature sensor (10) is arranged on the inwall in heating cabinet (16) left side, described tested direct current cables (15) is electrically connected with the output terminal of bridge rectifier circuit (9), and extend in heating cabinet (16) through the inwall of heating cabinet (16), described voltage-regulation button (5), heat regulation button (6), time switch (7) and temperature sensor (10) electrically input are connected microcontroller (3), and microcontroller (3) electrically input connects display screen (2), transformer (8) and heating arrangement (11).
2. a kind of test unit for direct current cables heating according to claim 1, is characterized in that: described tested direct current cables (15) is connected for active with the output terminal of bridge rectifier circuit (9).
3. a kind of test unit for direct current cables heating according to claim 1, it is characterized in that: described heating cabinet (16) is fixedly connected with by hinge (17) with protective door (12), the inner side surrounding of protective door (12) is provided with sealing strip (13), protective door (12) is provided with view window (14).
4. a kind of test unit for direct current cables heating according to claim 1, is characterized in that: four field effect transistor that described bridge rectifier circuit (9) is controlled by PWM controller form.
CN201510510988.0A 2015-08-20 2015-08-20 Test device for heating DC cable Pending CN105116252A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510510988.0A CN105116252A (en) 2015-08-20 2015-08-20 Test device for heating DC cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510510988.0A CN105116252A (en) 2015-08-20 2015-08-20 Test device for heating DC cable

Publications (1)

Publication Number Publication Date
CN105116252A true CN105116252A (en) 2015-12-02

Family

ID=54664288

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510510988.0A Pending CN105116252A (en) 2015-08-20 2015-08-20 Test device for heating DC cable

Country Status (1)

Country Link
CN (1) CN105116252A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105911392A (en) * 2016-04-26 2016-08-31 施婷婷 Tinned wire heat-resistant detection device
CN106093644A (en) * 2016-06-14 2016-11-09 成都迅德科技有限公司 Novel cable heat run device
CN108646147A (en) * 2018-03-10 2018-10-12 芜湖特种电线电缆产品质量监督检验中心 A kind of anti-aging test device of photovoltaic cable

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105911392A (en) * 2016-04-26 2016-08-31 施婷婷 Tinned wire heat-resistant detection device
CN106093644A (en) * 2016-06-14 2016-11-09 成都迅德科技有限公司 Novel cable heat run device
CN108646147A (en) * 2018-03-10 2018-10-12 芜湖特种电线电缆产品质量监督检验中心 A kind of anti-aging test device of photovoltaic cable

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C06 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20151202

WD01 Invention patent application deemed withdrawn after publication