CN205027827U - Testing device for heating direct -current cable - Google Patents
Testing device for heating direct -current cable Download PDFInfo
- Publication number
- CN205027827U CN205027827U CN201520627284.7U CN201520627284U CN205027827U CN 205027827 U CN205027827 U CN 205027827U CN 201520627284 U CN201520627284 U CN 201520627284U CN 205027827 U CN205027827 U CN 205027827U
- Authority
- CN
- China
- Prior art keywords
- heating
- direct current
- current cables
- rectifier circuit
- transformer
- 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.)
- Expired - Fee Related
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 69
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 230000001681 protective effect Effects 0.000 claims description 13
- 230000005669 field effect Effects 0.000 claims description 3
- 230000032683 aging Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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- Central Heating Systems (AREA)
Abstract
The utility model discloses a testing device for heating direct -current cable, including transformer, bridge type rectifier circuit and heating device, still include proof box, display screen, microcontroller, control panel, voltage control button, heating adjustment button, time switch, temperature sensor, guard gate, sealing strip, observation window, survey direct current cables, heated warehouses and hinge, transformer and bridge type rectifier circuit's input electric connection, and all install in the proof box, heating device is installed at heated warehouses's top, surveyed the output electric connection of direct current cables with bridge type rectifier circuit, and the inner wall extension who passes heated warehouses is to the heated warehouses in, microcontroller electrical property input connection display screen, transformer and heating device. This testing device for heating direct -current cable not only can heat direct current cables inside, also can heat the direct current cables outside, can be more comprehensive carry out the heat test to the direct current cables.
Description
Technical field
The utility model relates to electric cable heating experimental provision technical field, is 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.
Utility model content
The utility model provides a kind of test unit for direct current cables heating, be mainly used in carrying out heat test to direct current cables, the utility model 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 utility model embodiment 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 embodiments more of the present utility model, 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 utility model;
Fig. 2 is theory diagram of the present utility model;
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 utility model provides a kind of test unit for direct current cables heating, be mainly used in carrying out heat test to direct current cables, the utility model 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, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model 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 utility model, any Reference numeral in claim should be considered as the claim involved by limiting.
The above; be only the utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; be equal to according to the technical solution of the utility model and utility model design thereof and replace or change, all should be encompassed within protection domain of the present utility model.
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520627284.7U CN205027827U (en) | 2015-08-20 | 2015-08-20 | Testing device for heating direct -current cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520627284.7U CN205027827U (en) | 2015-08-20 | 2015-08-20 | Testing device for heating direct -current cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205027827U true CN205027827U (en) | 2016-02-10 |
Family
ID=55260349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520627284.7U Expired - Fee Related CN205027827U (en) | 2015-08-20 | 2015-08-20 | Testing device for heating direct -current cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205027827U (en) |
-
2015
- 2015-08-20 CN CN201520627284.7U patent/CN205027827U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160210 Termination date: 20160820 |