CN202404171U - Voltage testing switching equipment for multi-core cables - Google Patents
Voltage testing switching equipment for multi-core cables Download PDFInfo
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- CN202404171U CN202404171U CN2011205537113U CN201120553711U CN202404171U CN 202404171 U CN202404171 U CN 202404171U CN 2011205537113 U CN2011205537113 U CN 2011205537113U CN 201120553711 U CN201120553711 U CN 201120553711U CN 202404171 U CN202404171 U CN 202404171U
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Abstract
The utility model discloses voltage testing switching equipment for multi-core cables, which comprises a low-voltage end and a high-voltage end. At least two low-voltage control circuits are arranged at the low-voltage end, each low-voltage control circuit consists of a voltage testing or grounding bidirectional selector switch and an electromagnetic induction control coil and is provided with a corresponding display circuit, high-voltage switching and testing circuits are arranged at the high-voltage end, the number of the high-voltage switching and testing circuits is identical to that of the low-voltage control circuits, the high-voltage switching and testing circuits correspond to the low-voltage control circuits one by one, each high-voltage switching and testing circuit consists of a normally open switch and a normally closed switch, an output end of each normally open switch is connected with an input end of the corresponding normally closed switch, an input end of each normally open switch is connected with a high-voltage test stand, an output end of each normally closed switch is grounded, one end of a tested cable in each high-voltage switching and testing circuit is connected onto a high-voltage joint of the normally open switch and the normally closed switch of the high-voltage switching and testing circuit, and each normally open switch matches with the corresponding electromagnetic induction control coil so as to be opened or closed. The voltage testing switching equipment has the advantages of convenience in operation, capability of saving time, safety in operation, and the like.
Description
Technical field
The utility model relates to the cable high-potting conversion equipment that is used in field of cables, more particularly, relates 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.
The utility model content
The purpose of the utility model be 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 utility model 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 utility model is owing to having adopted said structure, so it has following beneficial effect:
The utility model 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 utility model easy to operate, save time.In addition, the utility model cost 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 of the embodiment that combines advantages the utility model, it is clearer that characteristics of the utility model and advantage will become.
Description of drawings
Fig. 1 is the circuit theory diagrams of the embodiment of the utility model.
Embodiment
With an embodiment the utility model is done further detailed explanation below, but should explain that the protection domain of the utility model 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 the protection domain of the utility model 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 the protection domain of the utility model 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 the embodiment of the utility model 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 the claim of the utility model, all should be within the protection domain of the utility model.
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 |
|---|---|---|---|
| CN2011205537113U CN202404171U (en) | 2011-12-26 | 2011-12-26 | Voltage testing switching equipment for multi-core cables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205537113U CN202404171U (en) | 2011-12-26 | 2011-12-26 | Voltage testing switching equipment for multi-core cables |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202404171U true CN202404171U (en) | 2012-08-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205537113U Expired - Lifetime CN202404171U (en) | 2011-12-26 | 2011-12-26 | Voltage testing switching equipment for multi-core cables |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202404171U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102520292A (en) * | 2011-12-26 | 2012-06-27 | 广州电缆厂有限公司 | Multi-core cable voltage test conversion device |
-
2011
- 2011-12-26 CN CN2011205537113U patent/CN202404171U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102520292A (en) * | 2011-12-26 | 2012-06-27 | 广州电缆厂有限公司 | Multi-core cable voltage test conversion device |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120829 |
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| CX01 | Expiry of patent term |