CN213303885U - Aluminum rod type series-parallel connection structure of dry current transformer - Google Patents
Aluminum rod type series-parallel connection structure of dry current transformer Download PDFInfo
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- CN213303885U CN213303885U CN202022577353.1U CN202022577353U CN213303885U CN 213303885 U CN213303885 U CN 213303885U CN 202022577353 U CN202022577353 U CN 202022577353U CN 213303885 U CN213303885 U CN 213303885U
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Abstract
The utility model belongs to the technical field of current transformer and specifically relates to a dry-type current transformer aluminium bar formula series-parallel connection structure, wherein primary conductor includes aluminum pipe and aluminium bar, P1 conducting rod includes first connecting portion, first sleeve pipe and first connecting plate, first connecting portion are the type of falling L and the horizontal segment is adorned on the installation pedestal through first fixed subassembly admittedly, vertical section lower extreme links firmly with first sleeve pipe, first sleeve pipe opposite side is equipped with first connecting plate, C1 connecting plate locates first connecting plate upside and links to each other with first connecting plate through first series-parallel connection board; the P2 conducting rod comprises a second connecting part, a second sleeve and a second connecting plate, the second connecting part is fixedly arranged on the mounting base body through a second fixing assembly and connected with the second sleeve, the second connecting plate is arranged on the other side of the second sleeve, and the C2 connecting plate is arranged on the lower side of the second connecting plate and connected with the second connecting plate through a second series-parallel plate. The utility model discloses structural stability and insulating properties have all obtained further improvement.
Description
Technical Field
The utility model belongs to the technical field of current transformer and specifically relates to a dry-type current transformer aluminium bar formula series-parallel structure.
Background
The dry type current transformer is a transformer with good safety, small pollution and wide application, and along with the technical development, the dry type current transformer is developed into a multi-transformation ratio structure from a single-transformation ratio structure, so that the requirements of customers can be fully met, wherein the design of a primary series-parallel structure of the dry type current transformer is very critical. The primary conductor of the dry type current transformer mainly comprises a multi-aluminum-bar structure and an aluminum bar structure, wherein the multi-aluminum-bar structure bears a smaller thermal stability current ratio, and a stainless steel pipe is required to be additionally arranged outside the aluminum bar for supporting so as to meet a certain tensile force, so that the structure is more complex, and the product assembly is relatively difficult. The aluminum bar structure can increase a section to meet the requirement of a user on heat stable current, and has a relatively simple structure and convenient assembly. However, the design of the primary series-parallel structure of the existing dry-type current transformer is not reasonable enough, for example, the chinese utility model patent with the publication number of CN2922084Y and the name of multi-current-ratio, high-precision organic composite insulation dry-type high-voltage current transformer discloses a series-parallel structure with an aluminum rod-type primary conductor, each terminal board is directly welded on the aluminum rod or the aluminum pipe, and the structural stability and the insulation performance are all to be improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dry-type current transformer aluminium bar formula series-parallel structure, structural stability and insulating properties have all obtained further improvement.
The purpose of the utility model is realized through the following technical scheme:
an aluminum rod type series-parallel structure of a dry type current transformer comprises a primary conductor, a mounting base body, a P1 conductive rod, a P2 conductive rod, a C1 connecting plate and a C2 connecting plate, wherein the P1 conductive rod, the P2 conductive rod, the C1 connecting plate and the C2 connecting plate are arranged in the mounting base body;
the P1 conducting rod comprises a first connecting part, a first sleeve and a first connecting plate, wherein the first connecting part is inverted L-shaped, the horizontal section of the upper side of the first connecting part is fixedly arranged on the mounting seat body through a first fixing assembly, the horizontal section extends out of the mounting seat body and is connected with a P1 terminal board, the lower end of the vertical section of the first connecting part is fixedly connected with the first sleeve, the first sleeve is sleeved on an aluminum pipe of the P1 connecting end of the primary conductor, one side of the first sleeve, far away from the first connecting part, is provided with the first connecting plate, the C1 connecting plate is arranged on the upper side of the first connecting plate, the outer end of the C1 connecting plate is provided with a third sleeve which is sleeved on an aluminum rod of the P1 connecting end of the primary conductor, and the C1 is connected with the first connecting plate on the lower side through a first series-parallel plate;
the P2 conducting rod comprises a second connecting part, a second sleeve and a second connecting plate, the second connecting part is horizontally arranged and fixedly mounted on the mounting seat body through a second fixing assembly, one end of the second connecting part extends out of the mounting seat body and is connected with a P2 terminal board, the other end of the second connecting part is connected with the second sleeve, the second sleeve is sleeved on an aluminum rod of a P2 connecting end of the primary conductor, the second connecting plate is arranged on one side, away from the second connecting part, of the second sleeve, the C2 connecting plate is arranged on the lower side of the second connecting plate, a fourth sleeve is arranged at the outer end of the C2 connecting plate and is sleeved on an aluminum pipe of a P2 connecting end of the primary conductor, and the C2 connecting plate is connected with the second connecting plate on the upper side through a second series-parallel plate.
The first fixing assembly comprises a first nut and a positioning sleeve, the first nut and the positioning sleeve are sleeved on the horizontal section of the first connecting portion, the positioning sleeve is arranged in a through hole in the mounting base body through which the horizontal section of the first connecting portion penetrates, and the first nut and the vertical section of the first connecting portion are arranged on two sides of the positioning sleeve.
The second fixing component comprises a second nut and a limiting plate, wherein the second nut is sleeved on the second connecting portion, the limiting plate is fixedly arranged on the second connecting portion, and the second nut and the limiting plate are respectively arranged on the inner side and the outer side of the mounting base body.
And insulating sleeves are arranged between the third sleeve and the first sleeve and between the second sleeve and the fourth sleeve, each insulating sleeve comprises an isolation section and an insertion section, and the insertion sections are inserted into the aluminum tubes.
The installation pedestal body comprises a shielding cover, an insulating bottom plate and voltage-sharing covers, the two voltage-sharing covers are fixedly arranged at the lower sides of the two ends of the insulating bottom plate respectively, the shielding cover is arranged at the upper side of the insulating bottom plate, and the two ends of a primary conductor pass through the voltage-sharing covers at the corresponding sides respectively and then penetrate through the insulating bottom plate to enter the installation pedestal body.
The utility model discloses an advantage does with positive effect:
1. the utility model discloses a P1 conducting rod and C2 connecting plate are connected with the aluminum pipe suit, and P2 conducting rod and C1 connecting plate are connected with the aluminum bar suit, simple to operate, and P1 conducting rod and P2 conducting rod adorn admittedly on the installation pedestal through fixed subassembly respectively in addition, and the structure is more firm stable.
2. The utility model discloses an insulating cover has partly to insert in the aluminum pipe, has prolonged insulating distance, has improved insulating properties.
Drawings
Figure 1 is a schematic structural diagram of the present invention,
figure 2 is a schematic view of the primary conductor of figure 1,
figure 3 is a view a-a of figure 2,
figure 4 is a schematic view of the internal structure of the mounting base in figure 1,
figure 5 is a partial enlarged view of the side P1 in figure 4,
fig. 6 is a partial enlarged view of the side P2 in fig. 4.
The connector comprises a mounting base 1, a voltage-sharing cover 101, an insulating base plate 102, a shielding cover 103, a primary conductor 2, an aluminum pipe 201, an aluminum rod 202, an insulating sleeve 3, an isolating section 301, an inserting section 302, a P1 conductive rod 4, a P1 terminal board 401, a first fixing component 402, a first nut 4021, a positioning sleeve 4022, a first connecting section 403, a first bushing 404, a first connecting plate 405, a P2 conductive rod 5, a P2, a second fixing component 502, a second nut 5021, a limiting plate 5022, a second connecting section 503, a second bushing 504, a second connecting plate 505, a first connecting plate 6, a first series-parallel plate 7, a second series-parallel plate 8, a C1, a third bushing 801, a C2 and a fourth connecting plate 901.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-6, the utility model discloses a primary conductor 2, installation pedestal 1 with locate P1 conducting rod 4, P2 conducting rod 5, C1 connecting plate 8 and C2 connecting plate 9 in the installation pedestal 1, wherein as shown in fig. 2-3, primary conductor 2 includes the aluminum pipe 201 and locates aluminum rod 202 in the aluminum pipe 201, primary conductor 2 is U type and one end is the P1 link, and the other end is P2 link.
As shown in fig. 4 to 5, the P1 conducting rod 4 and the C1 connecting plate 8 are both connected to the P1 connecting end of the primary conductor 2, wherein the P1 conducting rod 4 includes a first connecting portion 403, a first sleeve 404 and a first connecting plate 405, the first connecting portion 403 is of an inverted L shape, a horizontal section of an upper side of the first connecting portion 403 is fixedly mounted on the mounting base 1 through a first fixing component 402, the horizontal section extends out of the mounting base 1 and is connected to a P1 terminal board 401, a lower end of a vertical section of the first connecting portion 403 is fixedly connected to the first sleeve 404, the first sleeve 404 is sleeved on the aluminum tube 201 of the P1 connecting end of the primary conductor 2, a first connecting plate 405 is disposed on a side of the first sleeve 404 away from the first connecting portion 403, the C1 connecting plate 8 is disposed on an upper side of the first connecting plate 405, and the C1 connecting plate 8 is sleeved on the aluminum rod 202 of the P1 connecting end of the primary conductor 2, the C1 connecting plate 8 is connected to the lower first connecting plate 405 by a first series-parallel plate 6.
As shown in fig. 4 and 6, the P2 conducting rod 5 and the C2 connecting plate 9 are connected to the P2 connecting end of the primary conductor 2, the P2 conducting rod 5 includes a second connecting portion 503, a second sleeve 504 and a second connecting plate 505, the second connecting portion 503 is horizontally arranged and is fixed on the installation base body 1 through a second fixing component 502, one end of the second connecting portion 503 extends out of the installation base body 1 to be connected to the P2 501, the other end is connected to the second sleeve 504, the second sleeve 504 is sleeved on the aluminum rod 202 of the P2 connecting end of the primary conductor 2, the second connecting plate 505 is arranged on the side of the second sleeve 504 far from the second connecting portion 503, the C2 connecting plate 9 is arranged on the lower side of the terminal plate 505, the outer end of the C2 connecting plate 9 is provided with a fourth sleeve 901 sleeved on the aluminum tube 201 of the P2 connecting end of the primary conductor 2, and the C2 connecting plate 9 is connected to the second connecting plate 505 on the upper side through a second series-parallel plate 7.
As shown in fig. 5, the first fixing assembly 402 includes a first nut 4021 and an insulating positioning sleeve 4022, the first nut 4021 and the positioning sleeve 4022 are both sleeved on the horizontal section of the first connecting portion 403, the positioning sleeve 4022 is disposed in a through hole on the mounting base 1 through which the horizontal section of the first connecting portion 403 passes, the first nut 4021 and the vertical section of the first connecting portion 403 are disposed on two sides of the positioning sleeve 4022 and cooperate to define the position of the P1 conductive rod 4, and a gasket is disposed between the first nut 4021 and the positioning sleeve 4022.
As shown in fig. 6, the second fixing assembly 502 includes a second nut 5021 and a limit plate 5022, wherein the second nut 5021 is sleeved on the second connecting portion 503 through a threaded connection, the second limit plate 5022 is fixedly disposed on the second connecting portion 503, and the second nut 5021 and the limit plate 5022 are respectively disposed on the inner side and the outer side of the mounting base 1 and cooperate to define the position of the P2 conducting rod 5.
As shown in fig. 5 to 6, insulating sleeves 3 are respectively disposed between the third sleeve 801 and the first sleeve 404 and between the second sleeve 504 and the fourth sleeve 901, each insulating sleeve 3 includes an isolating section 301 and an inserting section 302, the isolating section 301 is disposed between two corresponding sleeves, and the inserting section 302 is inserted into the aluminum pipe 201 to increase an insulating distance, so as to ensure an insulating property.
As shown in fig. 4, the installation base body 1 includes a shielding cover 103, an insulating base plate 102 and voltage-sharing covers 101, the two voltage-sharing covers 101 are respectively and fixedly disposed at lower sides of two ends of the insulating base plate 102, the shielding cover 103 is disposed at an upper side of the insulating base plate 102, and two ends of the primary conductor 2 respectively pass through the voltage-sharing covers 101 at corresponding sides and then pass through the insulating base plate 102 to enter the installation base body 1. The other primary conductor 2 is provided in a primary body to which the voltage-equalizing cover 101 is attached.
The utility model discloses a theory of operation does:
the utility model discloses utilize first series-parallel board 6, second series-parallel board 7, the conversion of connecting in series-parallel is realized to C1 connecting plate 8 and C2 connecting plate 9, and then realize different transformation ratios, lift off when first series-parallel board 6 and second series-parallel board 7, C1 connecting plate 8 links together with C2 connecting plate 9, realize the effect of establishing ties, when C1 connecting plate 8 and C2 connecting plate 9 disconnection, when first series-parallel board 6 and second series-parallel board 7 reinstallate, P1 links together with C1, P2 and C2 link together, realize parallelly connected effect.
In the prior art, the structural stability of the series-parallel connection design of the aluminum bar and aluminum tube type primary conductor 2 needs to be improved, as shown in the patent of the chinese utility model with the granted publication number of CN 2922084Y. The utility model discloses a P1 conducting rod 4 and C2 connecting plate 9 all are equipped with the sleeve and are connected with the aluminum pipe suit, P2 conducting rod 5 and C1 connecting plate 8 all are equipped with the sleeve and are connected with the aluminum rod suit, and not the beading on aluminum pipe 201 or aluminum rod 202, simple to operate is the maintenance of also being convenient for simultaneously and is changed, in addition P1 conducting rod 4 and P2 conducting rod 5 adorn on installation pedestal 1 through fixed subassembly admittedly respectively, the structure is more firm stable, insulating cover 3 not only sets up between adjacent sleeve pipe simultaneously, it has partly to insert in the aluminum pipe 201, the insulation distance has been prolonged, the insulating properties has been improved.
Claims (5)
1. The utility model provides a dry-type current transformer aluminium bar formula series-parallel structure which characterized in that: the device comprises a primary conductor (2), a mounting seat body (1), and a P1 conductive rod (4), a P2 conductive rod (5), a C1 connecting plate (8) and a C2 connecting plate (9) which are arranged in the mounting seat body (1), wherein the primary conductor (2) comprises an aluminum pipe (201) and an aluminum rod (202);
the P1 conducting rod (4) comprises a first connecting part (403), a first sleeve (404) and a first connecting plate (405), the first connecting part (403) is inverted L-shaped, the horizontal section of the upper side of the first connecting part (403) is fixedly arranged on the installation base body (1) through a first fixing component (402), the horizontal section extends out of the installation base body (1) and is connected with a P1 terminal board (401), the lower end of the vertical section of the first connecting part (403) is fixedly connected with the first sleeve (404), the first sleeve (404) is sleeved on an aluminum pipe (201) of a P1 connecting end of a primary conductor (2), the first connecting plate (405) is arranged on the side, far away from the first connecting part (403), of the first sleeve (404), the C1 connecting plate (8) is arranged on the upper side of the first connecting plate (405), and the outer end of the C1 (8) is provided with a third sleeve (801) sleeved on the aluminum rod (202) of a P1 connecting plate of the primary conductor (2), the C1 connecting plate (8) is connected with the first connecting plate (405) at the lower side through a first serial-parallel plate (6);
the P2 conducting rod (5) comprises a second connecting part (503), a second sleeve (504) and a second connecting plate (505), the second connecting part (503) is horizontally arranged and fixedly arranged on the installation base body (1) through a second fixing component (502), one end of the second connecting part (503) extends out of the installation base body (1) to be connected with a P2 terminal board (501), the other end of the second connecting part is connected with the second sleeve (504), the second sleeve (504) is sleeved on an aluminum rod (202) of a P2 connecting end of a primary conductor (2), the second connecting plate (505) is arranged on one side, far away from the second connecting part (503), of the second sleeve (504), the C2 connecting plate (9) is arranged on the lower side of the second connecting plate (505), the outer end of the C2 connecting plate (9) is provided with a fourth sleeve (901) sleeved on an aluminum tube (201) of a P2 connecting end of the primary conductor (2), and the C2 connecting plate (9) is connected to the upper second connecting plate (505) by a second series-parallel plate (7).
2. The aluminum rod type series-parallel structure of a dry type current transformer according to claim 1, wherein: the first fixing assembly (402) comprises a first nut (4021) and a positioning sleeve (4022), the first nut (4021) and the positioning sleeve (4022) are sleeved on the horizontal section of the first connecting portion (403), the positioning sleeve (4022) is arranged in a through hole in the mounting base body (1) through which the horizontal section of the first connecting portion (403) penetrates, and the vertical sections of the first nut (4021) and the first connecting portion (403) are arranged on two sides of the positioning sleeve (4022).
3. The aluminum rod type series-parallel structure of a dry type current transformer according to claim 1, wherein: the second fixing assembly (502) comprises a second nut (5021) and a limiting plate (5022), wherein the second nut (5021) is sleeved on the second connecting portion (503), the limiting plate (5022) is fixedly arranged on the second connecting portion (503), and the second nut (5021) and the limiting plate (5022) are respectively arranged on the inner side and the outer side of the mounting base body (1).
4. The aluminum rod type series-parallel structure of a dry type current transformer according to claim 1, wherein: an insulating sleeve (3) is arranged between the third sleeve (801) and the first sleeve (404) and between the second sleeve (504) and the fourth sleeve (901), the insulating sleeve (3) comprises an isolation section (301) and an insertion section (302), and the insertion section (302) is inserted into the aluminum pipe (201).
5. The aluminum rod type series-parallel structure of a dry type current transformer according to claim 1, wherein: the installation pedestal body (1) comprises a shielding cover (103), an insulating bottom plate (102) and voltage-sharing covers (101), the two voltage-sharing covers (101) are fixedly arranged at the lower sides of the two ends of the insulating bottom plate (102) respectively, the shielding cover (103) is arranged at the upper side of the insulating bottom plate (102), and the two ends of the primary conductor (2) pass through the voltage-sharing covers (101) on the corresponding sides respectively and then pass through the insulating bottom plate (102) to enter the installation pedestal body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022577353.1U CN213303885U (en) | 2020-11-10 | 2020-11-10 | Aluminum rod type series-parallel connection structure of dry current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022577353.1U CN213303885U (en) | 2020-11-10 | 2020-11-10 | Aluminum rod type series-parallel connection structure of dry current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213303885U true CN213303885U (en) | 2021-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022577353.1U Active CN213303885U (en) | 2020-11-10 | 2020-11-10 | Aluminum rod type series-parallel connection structure of dry current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213303885U (en) |
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2020
- 2020-11-10 CN CN202022577353.1U patent/CN213303885U/en active Active
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