CN1280963C - Functional unit of low voltage cabinet - Google Patents
Functional unit of low voltage cabinet Download PDFInfo
- Publication number
- CN1280963C CN1280963C CN 200410014415 CN200410014415A CN1280963C CN 1280963 C CN1280963 C CN 1280963C CN 200410014415 CN200410014415 CN 200410014415 CN 200410014415 A CN200410014415 A CN 200410014415A CN 1280963 C CN1280963 C CN 1280963C
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- drawer
- functional unit
- voltage cabinet
- low voltage
- along separate
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Abstract
The present invention relates to a low voltage withdrawing type opening and closing cabinet, particularly to a function unit of a low voltage cabinet which divides a unit into two or four small unit spaces and is used as an electrical distribution unit of small current in the low voltage withdrawing type opening and closing cabinet. The function unit of a low voltage cabinet is composed of a branching converting distributor and a drawer, wherein the branching converting distributor comprises a main line inlet primary plug, a branching primary line inlet and outlet static socket; a primary line outlet terminal realizes primary line in and out branching by a flexible conducting wire; an auxiliary circuit static socket and an auxiliary circuit line outlet terminal achieve the purposes connection, energization and output by the connection of the flexible conducting wire; the drawer is formed in the mode that a bottom board, a guide track, a panel, primary line inlet and outlet, secondary moving contact head and an installing plate are fixedly connected; a three-position displaying and locking interlocking mechanism and a brake closing and blocking mechanism are installed and fixed in the drawer. The function unit of a low voltage cabinet of the present invention has the advantages of reasonable integral structure design, small size, reliable contact, high exchangeability, high versatility, good safety performance and reliable locking in a test position; misoperation can not be easily generated.
Description
Technical field
The present invention relates to low pressure draw out switchgear cabinet, in low pressure draw out switchgear cabinet, a unit separation is become 2 or 4 junior unit spaces, be used for the low-voltage cabinet functional unit of the power supply unit use of less electric current.
Background technology
The low-voltage cabinet functional unit is the important component part of low pressure draw out switchgear cabinet.The draw out switchgear cabinet that is used for occasions such as subway, skyscraper, sewage treatment plant is restricted because of the fabricating yard, and the occupation of land space is narrow and small, and the functional unit loop is many, and electric current is less.The cabinet of low pressure draw out switchgear cabinet is a standardized structural, the universal architecture tank bracket does not allow to revise arbitrarily overall dimension, strengthen as the dispenser size of transferring along separate routes, then must reduce the effective dimensions of functional unit and drawer, influence the installation of corresponding components and parts and can't satisfy instructions for use.This type functional unit loop is many, circuit is intensive, the space compactness, it is extremely general that primary circuit mainly satisfies three utmost points, four, also needs the layout of corresponding cabinet vertical bus not influence the versatility that loads in mixture with other functional unit, and need guarantee the galvanic gaps between the electric conductor, satisfy electrical standard requirement in the electrical equipment connection, in order to avoid cause electric fault, so require accessory size miniaturization in the unit, reasonable in design.Middle nineteen nineties, China introduces abroad roughly the same function of use unit main circuit master and advances mainly to set out can not adjust about connector, be twisted distortion in contact of vertical bus single face or spring, to patch the sheet contact engaging and separating force big thereby make, contact-making surface is little, contact resistance increases, and caloric value strengthens, and long-play is easy to be burnt out; Original 1/2,1/4 functional unit adopts interlocking to be the indication of electrical equipment three positions, and during test position, main plug does not have obvious cut-off point, and switch can't simulated operation, and is too big with the difference of tank bracket base plate fore shaft point as the interlocking point, can cause misoperation; The once main inlet wire plug bond of original shunt switching distributor locational space is less, and the main circuit outlet terminal is generally Chinese character pin-shaped arrangement, and some design takes up room bigger, and user installation main circuit cable is cumbersome; The original 1/4 major-minor circuit distributor of transferring does not along separate routes generally have the auxiliary circuit outlet terminal, and the auxiliary circuit outlet is to connect from other matching terminal of directly pulling out on major-minor circuit is transferred distributor along separate routes, and user installation auxiliary circuit cable can be little convenient.The moving connector of original shunt switching distributor auxiliary circuit patch that the sheet external form is less to be difficult for welding with cable auxiliary circuit, so situation about rupturing often occurs; And when the cable and the welding of pin type contact chip of auxiliary circuit finishes, and after being bundled into wire harness, the pin type contact chip that originally can rock is fixed extremely, and can be at the center, making the sound connector be difficult for pairing patches, this installation and processing error requirements to the installation accuracy of sound connector and cabinet is higher, and versatility is poor, and interchangeability is low, one time static socket overall dimension is bigger, can not satisfy the topology layout requirement, the electrical safety requirement can't be satisfied user's requirement fully.
Summary of the invention
In order to overcome the deficiency of original low-voltage cabinet functional unit, the purpose of this invention is to provide and a kind ofly can satisfy instructions for use, the topology layout requirement, the electrical safety requirement, three position display mechanical chains are difficult for producing the low-voltage cabinet functional unit of misoperation.
The technical solution adopted for the present invention to solve the technical problems is: a kind of low-voltage cabinet functional unit, form by transfer along separate routes distributor and drawer, the distributor of transferring along separate routes is installed on the tank bracket, transfer distributor by plug of main inlet wire along separate routes, once advance along separate routes, the outlet static socket, an outlet terminal, connect realization primary line turnover line along separate routes with flexible conductor, auxiliary circuit static socket and auxiliary circuit outlet terminal, connect the purpose that reaches connection energising output with flexible conductor, drawer is by base plate, guide rail, panel and an inlet wire, outlet, secondary moving contact and mounting panel thereof are formed by fixedly connecting, the drawer internal fixation is equipped with three position display locking interlocking gear and closing locking mechanism, the corresponding embedding with the tank bracket base plate rail of the guide rail of drawer bottom is in order to the positioning and fixing drawer.
Distributor contacts with vertical bus is two-sided in order to guarantee to transfer along separate routes, add large contact surface, long-play is not burnt out, and compresses the size of front and back up and down of the distributor of transferring along separate routes, in the most preferred embodiment of the present invention, the sheet that patches of a plug of main inlet wire adopts laminated structure, patch sheet and busbar split design, utilize lever principle, can swing when plug patches, connector lug adopts up and down and connects, and connects electric conductor and adopts the protective-cover type protection, strengthens safe distance.
For compression takes up room, it is convenient clear that the user connects the main circuit cable, is difficult for wrong, and in the most preferred embodiment of the present invention, one time outlet terminal adopts yi word pattern to be close to arrangement, and one time outlet terminal is provided with showy sign.
For guarantee owing to reasons such as functional unit guide precision or alignment error cause can't with once pass in and out the situation that the quiet connector of line aims under can reliably be in contact with one another, the interchangeability height, versatility is good, in the most preferred embodiment of the present invention, once can swing, swing up and down into and out of the line moving contact.
For satisfying the layout of configuration design requirement, for the secondary static socket is vacated effective installing space, be that a secondary outlet terminal has corresponding effective installing space, guarantee the effective isolation between all secondary electrical connectors, proof strength is dwindled overall volume, in the most preferred embodiment of the present invention, the static socket electric conductor has adopted spacing embedded, forces bayonet socket to be fixed.
Low-voltage cabinet functional unit drawer internal fixation is equipped with three position display locking interlocking gear and closing locking mechanism, concrete function is as follows: the separation point position, card was set obvious separation marking when drawer entered in the cabinet, when drawer was shifted test position onto, panel showed test, stops to advance drawer, drawer promptly with the tank bracket floor locking, this moment, the secondary contact once disconnected, and the test that the secondary moving contact is set shows that terminal guarantees that also electrical equipment shows that main switch all can be simulated combined floodgate.When drawer was advanced to link position, panel showed and connects that drawer bindiny mechanism promptly locks the tank bracket base plate, one secondary is connected, and main switch closes a floodgate, and main switch closed a floodgate to connect and promptly locked the tank bracket base plate this moment, drawer only just can be pulled out behind the switch separating brake, no matter under any circumstance can not produce misoperation.Secondary has test and shows terminal, realizes that electrical apparatus test shows, and is reliably convenient, exempts sensitive switch commonly used and reaches the test demonstration.
The invention has the beneficial effects as follows, low-voltage cabinet functional unit of the present invention, global design is rational in infrastructure, and volume is little, and contact is reliable, the interchangeability height, versatility is good, and security performance is good, and it is convenient clear that the user connects major-minor circuit cable, is difficult for wrong.Machinery three position display locking interlocking gear expansion link can be gone in the tank bracket hole by straight cutting, can both lock when test, coupled position, and locking is reliable.During test position, main plug has obvious cut-off point, but the switch simulated operation, and at the moving plug of auxiliary circuit test is set, connects and show terminal, equally can the electrical equipment indication in test position, coupled position, promptly reach the demonstration of mechanical electric apparatus three position synchronous, handled easily is stopped misoperation.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the structural representation of the shunt switching distributor of low-voltage cabinet functional unit of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the upward view of Fig. 1.
Fig. 4 is the structural representation of the drawer of low-voltage cabinet functional unit of the present invention.
Fig. 5 is the left view of Fig. 4.
Fig. 6 is the vertical view of Fig. 4.
Fig. 7 is that the shunt of low-voltage cabinet functional unit of the present invention is once into and out of the structural representation of line static socket.
Fig. 8 is the left view of Fig. 7.
Fig. 9 is the vertical view of Fig. 7.
Figure 10,11,12, the 13rd, the structural representation of low-voltage cabinet functional unit of the present invention.
Figure 14 is three position display schematic diagrames of low-voltage cabinet functional unit of the present invention.
1. distributors of transferring along separate routes among the figure, plug of 1-1. master's inlet wire, 1-2. is along separate routes once into and out of the line static socket, 1-3. an outlet terminal, 1-4. auxiliary circuit static socket, 1-5. auxiliary circuit outlet terminal, 2. drawer, 2-1. base plate, 2-2. guide rail, 2-3. panel, 2-4. once pass in and out the line moving contact, 2-5. secondary moving contact, 2-6. mounting panel, 2-7. three position display locking interlocking gear, 2-8. closing locking mechanism.
Embodiment
As Fig. 1,2,3,4,5, a kind of low-voltage cabinet functional unit shown in 6, a kind of low-voltage cabinet functional unit, form by transfer along separate routes distributor 1 and drawer 2, the distributor 1 of transferring along separate routes is installed on the tank bracket, transfer distributor 1 by plug 1-1 of main inlet wire along separate routes, once advance along separate routes, outlet static socket 1-2, an outlet terminal 1-3, connect realization primary line turnover line along separate routes with flexible conductor, auxiliary circuit static socket 1-4 and auxiliary circuit outlet terminal 1-5, connect the purpose that reaches connection energising output with flexible conductor, drawer 2 is by base plate 2-1, guide rail 2-2, panel 2-3 and once advancing, outlet moving contact 2-4, secondary moving contact 2-5 and mounting panel 2-6 thereof are formed by fixedly connecting, drawer 2 internal fixation are equipped with three position display locking interlocking gear 2-7 and the 2-8 of closing locking mechanism, the corresponding embedding with the tank bracket base plate rail of the guide rail 2-2 of drawer 2 bottoms is in order to positioning and fixing drawer 2.Distributor contacts with vertical bus is two-sided in order to guarantee to transfer along separate routes, add large contact surface, long-play is not burnt out, compress the size of front and back up and down of the distributor of transferring along separate routes, the sheet 1-1-1 that patches of a plug 1-1 of main inlet wire as shown in Figure 1 adopts laminated structure, patches sheet 1-1-1 and busbar 1-1-2 split design, utilize lever principle, patch when sheet 1-1-1 patches and can swing, connector lug adopts up and down and connects, and connects electric conductor and adopts the protective-cover type protection, strengthened safe distance.For compression takes up room, it is convenient clear that the user connects the main circuit cable, is difficult for wrong, and an outlet terminal 1-3 adopts yi word pattern to be close to arrangement as shown in Figure 2, and one time outlet terminal 1-3 is provided with showy sign.For guarantee owing to reasons such as functional unit guide precision or alignment error cause can't with once pass in and out the situation that the quiet connector of line aims under can reliably be in contact with one another, the interchangeability height, versatility is good, once can swing, swing up and down into and out of line moving contact 2-4 as shown in Figure 6.For satisfying the layout of configuration design requirement, for the secondary static socket is vacated effective installing space, be that a secondary outlet terminal has corresponding effective installing space, guarantee the effective isolation between all secondary electrical connectors, proof strength is dwindled overall volume, shown in Fig. 7,8,9, once pass in and out line static socket 1-2 along separate routes, electric conductor has adopted spacing embedded, forces bayonet socket to be fixed.
During work, shown in Figure 14 a, when drawer 2 enters the cabinet guide rail, the chain expansion link among the three position display locking interlocking gear 2-7 is the separation point position when running into the tank bracket front-axle beam, and disconnect panel 2-3 display separation this moment first and second; Shown in Figure 14 b, when drawer 2 was advanced to test position in cabinet, panel 2-3 showed test, stop to advance, chain expansion link promptly enters in first hole of tank bracket base plate, stops to advance drawer 2 lockings to pull out, once disconnect this moment, and secondary is connected and promptly entered the test operation order; Shown in Figure 14 c, drawer 2 continues to be advanced into panel 2-3 and shows when connecting in cabinet, first and second connects, and chain expansion link has entered in second hole of cabinet base plate, drawer 2 lockings, this moment, switch can close a floodgate, and the chain inserted link of setting on the switching manipulation bar among the 2-8 of closing locking mechanism promptly reaches switch and closes a floodgate chain along with the switching mechanism rotational angle enters in the cabinet bottom plate hole, as non-shut-brake, drawer 2 can't be pulled out, and has switch separating brake drawer 2 only and just can pull out, and prevents that bad error from occurring.
Claims (5)
1. low-voltage cabinet functional unit, form by transfer along separate routes distributor (1) and drawer (2), the distributor (1) of transferring along separate routes is installed on the tank bracket, it is characterized in that: transfer distributor (1) by a plug of main inlet wire (1-1) along separate routes, once advance along separate routes, outlet static socket (1-2), an outlet terminal (1-3) connects with flexible conductor realizes the primary line turnover along separate routes, auxiliary circuit static socket (1-4) and auxiliary circuit outlet terminal (1-5) connect the purpose that reaches connection energising output with flexible conductor, drawer (2) is by base plate (2-1), guide rail (2-2), panel (2-3) and once advancing, outlet moving contact (2-4), secondary moving contact (2-5) and mounting panel (2-6) thereof are formed by fixedly connecting, drawer (2) internal fixation is equipped with three position display locking interlocking gear (2-7) and closing locking mechanism (2-8), the corresponding embedding with the tank bracket base plate rail of guide rail (2-2) of drawer (2) bottom is in order to positioning and fixing drawer (2).
2. low-voltage cabinet functional unit according to claim 1, it is characterized in that: the sheet (1-1-1) that patches of a described plug of main inlet wire (1-1) adopts laminated structure, patch sheet (1-1-1) and busbar (1-1-2) split design, patching sheet (1-1-1) can swing, connector lug adopts up and down and connects, and connects electric conductor and adopts the protective-cover type location.
3. low-voltage cabinet functional unit according to claim 1 is characterized in that: a described outlet terminal (1-3) adopts yi word pattern to be close to arrangement, and an outlet terminal (1-3) is provided with showy sign.
4. low-voltage cabinet functional unit according to claim 1 is characterized in that: describedly once can swing, swing up and down into and out of line moving contact (2-4).
5. low-voltage cabinet functional unit according to claim 1 is characterized in that: described shunt once passes in and out line static socket (1-2), and electric conductor has adopted spacing embedded, forces bayonet socket to be fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410014415 CN1280963C (en) | 2004-03-22 | 2004-03-22 | Functional unit of low voltage cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410014415 CN1280963C (en) | 2004-03-22 | 2004-03-22 | Functional unit of low voltage cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1564410A CN1564410A (en) | 2005-01-12 |
| CN1280963C true CN1280963C (en) | 2006-10-18 |
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ID=34478347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410014415 Expired - Fee Related CN1280963C (en) | 2004-03-22 | 2004-03-22 | Functional unit of low voltage cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1280963C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102263388A (en) * | 2011-08-25 | 2011-11-30 | 遵义长征电器开关设备有限责任公司 | Anti-interference connecting device for information transmission of drawer unit of low-voltage switch cabinet |
| CN117394159B (en) * | 2023-10-20 | 2024-03-19 | 广州盛美电气设备有限公司 | Draw-out type low-voltage power distribution cabinet |
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2004
- 2004-03-22 CN CN 200410014415 patent/CN1280963C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1564410A (en) | 2005-01-12 |
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| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |