CN102520292A - Multi-core cable voltage test conversion device - Google Patents
Multi-core cable voltage test conversion device Download PDFInfo
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- CN102520292A CN102520292A CN2011104436016A CN201110443601A CN102520292A CN 102520292 A CN102520292 A CN 102520292A CN 2011104436016 A CN2011104436016 A CN 2011104436016A CN 201110443601 A CN201110443601 A CN 201110443601A CN 102520292 A CN102520292 A CN 102520292A
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Abstract
The invention discloses a multi-core cable voltage test conversion device which comprises a low voltage terminal and a high voltage terminal. The low voltage terminal is provided with at least two groups of low voltage control circuits. Each of the low voltage control circuits comprises a voltage test or grounding bidirectional selection switch, an electromagnetic induction control loop which is connected with the switch, and a corresponding display circuit. The high voltage terminal is provided with high voltage switching voltage test circuits whose quantity is same with the quantity of the low voltage control circuits, and each high voltage switching voltage test circuit is corresponding to a low voltage control circuit. Each high voltage switching voltage test circuit is composed of a normally open switch and a normal closed switch, and an output terminal of the normally open switch is connected with an input terminal of the normally closed switch. Each normally open switch input terminal is connected with a high voltage test stand, and an output terminal of the normally closed switch is grounding. In each group of high voltage switching voltage test circuit, one end of a tested cable is connected with a high voltage contact point between the normally open switch and the normally closed switch. The normally open switch is correspondingly cooperated with the corresponding electromagnetic induction control loop to open or close the normally open switch. The invention has the advantages of convenient operation, time saving, safe operation and the like.
Description
Technical field
The present invention relates to be used in the cable high-potting conversion equipment of field of cables, more particularly, relate to a kind of polycore cable pressure testing conversion equipment.
Background technology
At present, the traditional cable pressure testing after having tested a cable core, needs to continue to need the core of pressure testing to connect high pressure with manual work to second when test cable, tests, and needs constantly to repeat above-mentioned steps and carries out the manual testing.Adopt above-mentioned testing procedure, its troublesome poeration, not only time-consuming and have potential safety hazard.How to capture above-mentioned technical barrier, become problem demanding prompt solution.
Summary of the invention
The object of the present invention is to provide a kind of easy to operate, save time and the polycore cable pressure testing conversion equipment of handling safety.
In order to achieve the above object, the present invention has adopted following technical scheme:
A kind of polycore cable pressure testing conversion equipment, it comprises low pressure end and high-pressure side; Be provided with at least 2 group low-voltage control circuits at said low pressure end, each group low-voltage control circuit comprises a pressure testing or ground connection two-way choice switch and the electromagnetic induction control coil that is connected with this pressure testing or ground connection two-way choice switch; Be provided with the high pressure identical at said high-pressure side and switch the pressure testing circuit with the quantity of said low-voltage control circuit; And each group high pressure switches the corresponding one group of low-voltage control circuit of pressure testing circuit, and each group high pressure switching pressure testing circuit is made up of with a normally closed switch a normal open switch and the output terminal of normal open switch is connected with the input end of normally closed switch; The input end that each group high pressure switches the normal open switch of pressure testing circuit is connected with extraneous high-potting platform and the output head grounding of the normally closed switch of this group high pressure switching pressure testing circuit; Switch in the pressure testing circuit at each group high pressure, a quilt examination cable one terminates on the high-voltage contact between said normal open switch, the normally closed switch, and normal open switch opens or closure normal open switch with corresponding electromagnetic induction control coil corresponding matching.
As further improvement to the present technique scheme; It also comprises with said high pressure and switches the identical high pressure of the pressure testing circuit quantity indicating circuit that puts in place, said high pressure puts that indicating circuit one end is connected with the input end of corresponding high pressure switching pressure testing circuit and high pressure puts in place in place indicating circuit other end ground connection.
As further improvement to the present technique scheme; Each high pressure indicating circuit that puts in place comprises pilot lamp, first divider resistance, second divider resistance; One end of said first divider resistance is connected with the input end that corresponding high pressure switches the pressure testing circuit; The other end of first divider resistance is ground connection behind second divider resistance, and said pilot lamp one terminates on the dividing potential drop contact between first divider resistance, second divider resistance, and the other end ground connection of this pilot lamp.
As the further improvement to the present technique scheme, it also comprises the insulation division board that separates said low pressure end and high-pressure side.
As the further improvement to the present technique scheme, in each group low-voltage control circuit, it also includes display circuit.
The present invention is owing to having adopted said structure, so it has following beneficial effect:
The present invention is through being provided with high-pressure side and low pressure end, through operating at low pressure end, so its handling safety.When the pressure testing end of pressure testing that makes arbitrary group of low-voltage control circuit or ground connection two-way choice switch closed and when making the energising of respective electrical magnetic induction control coil; The effect of the electromagnetic force that this electromagnetic induction control coil produced and to make corresponding high pressure switch the normal open switch of pressure testing circuit closed; At this moment; This group high pressure switches the corresponding quilt examination cable high pressure to be tested of pressure testing circuit; When other cables of needs tests, the pressure testing through making corresponding low-voltage control circuit or the pressure testing end closure of ground connection two-way choice switch can realize testing high voltage equally, thus the present invention easy to operate, save time.In addition, cost of the present invention is low, the space is little, volume is little, and it isolates the effective of low pressure and high pressure through the insulation division board.
After the detailed description that combines advantages embodiment of the present invention, it is clearer that characteristics of the present invention and advantage will become.
Description of drawings
Fig. 1 is the circuit theory diagrams of embodiment of the present invention.
Embodiment
With an embodiment the present invention is done further detailed explanation below, but should explain that protection scope of the present invention is not limited only to this.
Consult Fig. 1, a kind of polycore cable pressure testing conversion equipment, it comprises low pressure end 2 and high-pressure side 3, the insulation division board that separates said low pressure end 2 and high-pressure side 3.Be provided with at least 2 group low-voltage control circuits 20 at said low pressure end 2; As 5 groups, certainly, the group number of low-voltage control circuit 20 can not influence protection scope of the present invention for other yet; Each group low-voltage control circuit 20 comprises a pressure testing or ground connection two-way choice switch 201 and the electromagnetic induction control coil 202 that is connected with this pressure testing or ground connection two-way choice switch 201; And in each group low-voltage control circuit 20, it also can include display circuit.Be provided with the high pressure identical at said high-pressure side 3 and switch pressure testing circuit 30 with the quantity of said low-voltage control circuit 20; And each group high pressure switches pressure testing circuit 30 corresponding one group of low-voltage control circuit 20, and each group high pressure switching pressure testing circuit 30 is made up of with a normally closed switch 302 normal open switch 301 and the output terminal of normal open switch 301 is connected with the input end of normally closed switch 302.The input end that each group high pressure switches the normal open switch 301 of pressure testing circuit 30 is connected with extraneous high-potting platform 1 and the output head grounding of the normally closed switch 302 of this group high pressure switching pressure testing circuit 30.Switch in the pressure testing circuit 30 at each group high pressure; One is terminated on the high-voltage contact A between said normal open switch 301, the normally closed switch 302 by examination cable 4 one; And normal open switch 301 opens or closure normal open switch 301 with corresponding electromagnetic induction control coil 202 corresponding matching.
As further improvement to this embodiment; It also comprises with said high pressure and switches the identical high pressure of the pressure testing circuit 30 quantity indicating circuit 5 that puts in place, said high pressure puts that indicating circuit 5 one ends are connected with the input end of corresponding high pressure switching pressure testing circuit 30 and high pressure puts in place in place indicating circuit 5 other end ground connection.Specifically; Each high pressure indicating circuit 5 that puts in place comprises pilot lamp 51, the first divider resistance R1, the second divider resistance R2; The end of the said first divider resistance R1 is connected with the input end that corresponding high pressure switches pressure testing circuit 30, and the other end of the first divider resistance R1 is ground connection behind the second divider resistance R2, and said pilot lamp 51 1 terminates on the dividing potential drop contact B between the first divider resistance R1, the second divider resistance R2; And the other end ground connection of this pilot lamp 51; When whether test had high pressure to come, when high pressure was come, pilot lamp 51 was bright.In addition, pilot lamp 51 also can replace and not influence protection scope of the present invention with instrument or other indicating equipments.This embodiment is through setting up the high pressure indicating circuit 5 that puts in place; Thereby can judge concrete road high pressure switches in the pressure testing circuit 30 whether received high-voltage signal, thereby avoid causing failing really testing this and being tried cable 4 owing to not transmitting high-voltage signal during by examination cable 4 in that test is corresponding.
When this embodiment specifically uses, earlier tried cable 4 to each and change pressure testing circuit 30 with one of them crush-cutting respectively and be connected.When the pressure testing end of pressure testing that makes arbitrary group of low-voltage control circuit 20 or ground connection two-way choice switch 201 closed and when making 202 energisings of electromagnetic induction control coil; The effect of the electromagnetic force that this electromagnetic induction control coil 202 produced and make corresponding high pressure switch normal open switch 301 closures of pressure testing circuit 30; At this moment, this group high pressure switch pressure testing circuit 30 corresponding can testing high voltage by examination cable 4; When other were tried cable 4 when needs tests, the pressure testing through making corresponding low-voltage control circuit 20 or the pressure testing end closure of ground connection two-way choice switch 201 can realize being carried out Hi-pot test to corresponding by examination cable 4 equally.
Though described embodiment of the present invention in conjunction with accompanying drawing; But those skilled in the art can make various distortion or modification within the scope of the appended claims; As long as be no more than the described protection domain of claim of the present invention, all should be within protection scope of the present invention.
Claims (5)
1. polycore cable pressure testing conversion equipment, it is characterized in that: it comprises low pressure end (2) and high-pressure side (3); Be provided with at least 2 group low-voltage control circuits (20) at said low pressure end (2), each group low-voltage control circuit (20) comprises a pressure testing or ground connection two-way choice switch (201) and the electromagnetic induction control coil (202) that is connected with this pressure testing or ground connection two-way choice switch (201); Be provided with the high pressure identical at said high-pressure side (3) and switch pressure testing circuit (30) with the quantity of said low-voltage control circuit (20); And each group high pressure switches pressure testing circuit (30) corresponding one group of low-voltage control circuit (20), and each group high pressure switching pressure testing circuit (30) is made up of with a normally closed switch (302) a normal open switch (301) and the output terminal of normal open switch (301) is connected with the input end of normally closed switch (302); The input end that each group high pressure switches the normal open switch (301) of pressure testing circuit (30) is connected with extraneous high-potting platform (1) and the output head grounding of the normally closed switch (302) of this group high pressure switching pressure testing circuit (30); Switch in the pressure testing circuit (30) at each group high pressure; One is tried cable (4) terminates on the high-voltage contact (A) between said normal open switch (301), the normally closed switch (302); And normal open switch (301) opens or closure normal open switch (301) with corresponding electromagnetic induction control coil (202) corresponding matching.
2. a kind of polycore cable pressure testing conversion equipment according to claim 1; It is characterized in that: it also comprises with said high pressure and switches the identical high pressure of pressure testing circuit (30) the quantity indicating circuit (5) that puts in place, said high pressure puts that indicating circuit (5) one ends are connected with the input end of corresponding high pressure switching pressure testing circuit (30) and high pressure puts in place in place indicating circuit (5) other end ground connection.
3. a kind of polycore cable pressure testing conversion equipment according to claim 2; It is characterized in that: each high pressure indicating circuit (5) that puts in place comprises pilot lamp (51), first divider resistance (R1), second divider resistance (R2); One end of said first divider resistance (R1) is connected with the input end that corresponding high pressure switches pressure testing circuit (30); The other end of first divider resistance (R1) is ground connection behind second divider resistance (R2); Said pilot lamp (51) terminates on the dividing potential drop contact (B) between first divider resistance (R1), second divider resistance (R2), and the other end ground connection of this pilot lamp (51).
4. according to each described a kind of polycore cable pressure testing conversion equipment of claim 1 to 3, it is characterized in that: it also comprises the insulation division board that separates said low pressure end (2) and high-pressure side (3).
5. a kind of polycore cable pressure testing conversion equipment according to claim 1 is characterized in that: in each group low-voltage control circuit (20), it also includes display circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104436016A CN102520292A (en) | 2011-12-26 | 2011-12-26 | Multi-core cable voltage test conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104436016A CN102520292A (en) | 2011-12-26 | 2011-12-26 | Multi-core cable voltage test conversion device |
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| CN102520292A true CN102520292A (en) | 2012-06-27 |
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| CN2011104436016A Pending CN102520292A (en) | 2011-12-26 | 2011-12-26 | Multi-core cable voltage test conversion device |
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Citations (11)
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| CN2035486U (en) * | 1988-05-17 | 1989-04-05 | 李壮 | Direct reading measuring device for dielectric loss angle |
| US4996477A (en) * | 1989-10-26 | 1991-02-26 | A.O. Smith Corporation | Apparatus and method for testing electrically controlled motor |
| CN2133849Y (en) * | 1991-11-23 | 1993-05-19 | 邱礼儒 | Detector for cable faults |
| CN2262772Y (en) * | 1995-10-13 | 1997-09-17 | 宋嘉鸿 | Voltage stabilization charger with three-colour LED indicator |
| EP0924528A1 (en) * | 1997-12-18 | 1999-06-23 | MANNESMANN Aktiengesellschaft | Electronic device for diagnosing faults in electrical systems |
| CN2635450Y (en) * | 2003-08-06 | 2004-08-25 | 江仁成 | Vehicle speech sound alarming device |
| CN2849740Y (en) * | 2005-10-21 | 2006-12-20 | 鸿富锦精密工业（深圳）有限公司 | Power testing adapter |
| CN101211710A (en) * | 2006-12-26 | 2008-07-02 | 鸿富锦精密工业（深圳）有限公司 | Electromagnetic induction switch |
| CN101750564A (en) * | 2008-11-27 | 2010-06-23 | 王欣鹏 | Multi-core cable tester |
| CN101937037A (en) * | 2009-07-01 | 2011-01-05 | 哈尔滨建成集团有限公司 | Device for automatically testing performance of cable bunch |
| CN202404171U (en) * | 2011-12-26 | 2012-08-29 | 广州电缆厂有限公司 | Voltage testing switching equipment for multi-core cables |
-
2011
- 2011-12-26 CN CN2011104436016A patent/CN102520292A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2035486U (en) * | 1988-05-17 | 1989-04-05 | 李壮 | Direct reading measuring device for dielectric loss angle |
| US4996477A (en) * | 1989-10-26 | 1991-02-26 | A.O. Smith Corporation | Apparatus and method for testing electrically controlled motor |
| CN2133849Y (en) * | 1991-11-23 | 1993-05-19 | 邱礼儒 | Detector for cable faults |
| CN2262772Y (en) * | 1995-10-13 | 1997-09-17 | 宋嘉鸿 | Voltage stabilization charger with three-colour LED indicator |
| EP0924528A1 (en) * | 1997-12-18 | 1999-06-23 | MANNESMANN Aktiengesellschaft | Electronic device for diagnosing faults in electrical systems |
| CN2635450Y (en) * | 2003-08-06 | 2004-08-25 | 江仁成 | Vehicle speech sound alarming device |
| CN2849740Y (en) * | 2005-10-21 | 2006-12-20 | 鸿富锦精密工业（深圳）有限公司 | Power testing adapter |
| CN101211710A (en) * | 2006-12-26 | 2008-07-02 | 鸿富锦精密工业（深圳）有限公司 | Electromagnetic induction switch |
| CN101750564A (en) * | 2008-11-27 | 2010-06-23 | 王欣鹏 | Multi-core cable tester |
| CN101937037A (en) * | 2009-07-01 | 2011-01-05 | 哈尔滨建成集团有限公司 | Device for automatically testing performance of cable bunch |
| CN202404171U (en) * | 2011-12-26 | 2012-08-29 | 广州电缆厂有限公司 | Voltage testing switching equipment for multi-core cables |
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Application publication date: 20120627 |