CN201584680U - Low-voltage power line load control switching device - Google Patents
Low-voltage power line load control switching device Download PDFInfo
- Publication number
- CN201584680U CN201584680U CN2010201023614U CN201020102361U CN201584680U CN 201584680 U CN201584680 U CN 201584680U CN 2010201023614 U CN2010201023614 U CN 2010201023614U CN 201020102361 U CN201020102361 U CN 201020102361U CN 201584680 U CN201584680 U CN 201584680U
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- drawer
- load control
- line load
- low pressure
- electricity consumption
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Abstract
The utility model discloses a low-voltage power line load control switching device which comprises a closed box body and a cable access room arranged on the box body, wherein the box body is internally provided with a drawer used for containing a common combined electrical apparatus, a pushing mechanism used for leading the drawer to move in the box body, and a fixed contact, wherein the fixed contact is fixed inside the box body; the end of the drawer is provided with a moving contact; the moving contact is inserted into the fixed contact under the action of the pushing mechanism, so that close connection can be realized; or the moving contact is separated from the fixed contact. The low-voltage power line load control switching device can be used for carrying out safe operation respectively on all power distribution lines under the condition of electrification, thus ensuring power distribution to be more reasonable and being convenient for maintenance and operation. Meanwhile, when the operations such as installation, overhauling and the like are carried out on a current transformer and a low-voltage circuit breaker, all the power distribution lines are not needed to be powered off for operation, so that the working efficiency is improved, and labor intensity of power construction maintenance personnel is lightened.
Description
Technical field
The utility model relates to a kind of load power consumption equipment, specifically is meant a kind of low pressure rural electricity consumption line load switching device.
Background technology
Existing low pressure rural electricity consumption line load control switch device is a kind of load control of working on low pressure rural power grids circuit, in order to solve because of live line working can not be operated, all difficulties of electricity consumption unreasonable distribution, and the low-voltage circuit load control switch device of design.At present, because now general distribution line technical conditions can not charged safety operation, there are a lot of electricity consumption inconveniences that unreasonable distribution is brought.During as operations such as the installation of electric current mutual inductance, low-voltage circuit breaker in the control switch device, maintenance, need the power failure operation.All use electric line by disconnecting, its interruption duration is the shortest to be wanted about 1 hour, the longlyest will reach a whole day, sometimes even can't locally have a power failure, and needed whole line outages to work, and had both reduced operating efficiency, also strengthened power construction work of maintenance personnel intensity.
The utility model content
The problem that the utility model need solve provide a kind ofly be convenient to safeguard, easy to operate, safe low pressure electricity consumption line load control switch device.
To achieve these goals, the utility model is designed a kind of low pressure electricity consumption line load control switch device, the cable that comprises the casing of sealing and be located on the casing inserts the chamber, in casing, be provided with the drawer that common combinations electrical equipment is housed, propulsive mechanism and the fixed contact that drawer is moved in casing, fixed contact is fixed in the casing, and the end of drawer is provided with moving contact, under the action of propulsive mechanism, moving contact is inserted on the fixed contact, realizes closely connecting; Or moving contact and fixed contact are separated.
Propulsive mechanism described in the utility model comprises the outer guide be located on the casing, is located at interior guide rail and drawer operating grip on the drawer, and interior guide rail slides on outer guide, by control drawer operating grip, realizes drawer moving in casing.Described common combinations electrical equipment is circuit breaker and/or current transformer.
As improvement of the present utility model: on drawer, also be provided with breaker operator handle and the circuit breaker operation mechanism that is connected with the breaker operator handle.Described circuit breaker operation mechanism comprises drawer slide pin and the drive screw that is arranged between breaker operator handle and the drawer-bottom board, and an end of described drive screw is connected with the drawer slide pin, and the other end is connected with circuit breaker.
Further improvement of these options: drawer lock spare is installed on drawer, and this drawer lock spare is located on the drive screw.
For understanding in the conductor whether retained current/voltage, on the panel of drawer, be provided with the current/voltage table, this current/voltage table shows the numerical value of the current/voltage of the switching device that obtains by the current transformer induction.
In addition, the utility model also is provided with signal lamp and drawer handle on the panel of drawer.On casing, have chamber door and cable vault's door, make things convenient for upkeep operation.In drawer, be provided with into and out of the line copper bar, by realizing that into and out of the line copper bar shell links to each other with external ground.
The utility model low pressure electricity consumption line load control switch device adopts special-purpose switch casing and the special-purpose drawer that can move in casing, solution also can be carried out safe operation to whole distribution lines respectively under charged situation, it is more reasonable that electricity consumption is distributed, and it is convenient to be convenient to maintenance and operation.When solving operations such as installation to electric current mutual inductance, low-voltage circuit breaker, maintenance simultaneously, do not need whole distribution line power failure operations, increase work efficiency and reduce power construction work of maintenance personnel intensity.
The utility model low pressure electricity consumption line load control switch device also can be achieved as follows function:
1, undertakes the effect of rural electricity consumption line load open and close, in the job manipulation process, moving on the outer guide of special switch drawer in casing, realizing that by the operating drawer operating grip moving contact is connected or separates with fixed contact, playing the security protection effect.
2, before used combined electrical apparatus overhauls in to the part distribution line, by the drawer operating grip moving contact and fixed contact are separated earlier, supply line is interrupted, but do not influence the work of other supply lines.
3, also be provided with the current/voltage table on drawer, this current/voltage table can be obtained current data from current transformer, and the information that electric current reads is connected to the current/voltage table, reaches reliable that electric current shows, guarantees the safety operation of safeguarding.And open and close power supply and electric current display set be combined in one.
4, by the lever operated circuit breaker operation mechanism of breaker operator, carry out that circuit breaker closes, sub-switching operation, circuit breaker operation mechanism compacting drawer lock spare, drawer lock spare locked drawer base plate can not action advances mechanism when reaching breaker closing; Otherwise, when circuit breaker is in gate-dividing state, discharging drawer lock spare, drawer can move by propulsive mechanism and reach the function that prevents the on-load operation.
Description of drawings:
Fig. 1 is the utility model low pressure electricity consumption line load control switch device front view; Fig. 2 is the vertical view of Fig. 1; Fig. 3 is the cutaway view of the AA direction of Fig. 1; Fig. 4 is a M portion partial enlarged drawing among Fig. 3; Fig. 5 is a body structure schematic diagram in the utility model low pressure electricity consumption line load control switch device; Fig. 6 is the BB direction cutaway view of Fig. 5; Fig. 7 is a drawer structure schematic diagram in the utility model low pressure electricity consumption line load control switch device; Fig. 8 is the upward view of Fig. 7; Fig. 9 is the right view of Fig. 7; Figure 10 is the CC direction cutaway view of Fig. 7; Figure 11 is the DD direction cutaway view of Fig. 7; Figure 12 is the EE direction cutaway view of Fig. 7.
Among the figure: casing 1, drawer 2, fixed contact 3, moving contact 4, sliding pin 5, drive screw 6, circuit breaker 7, current transformer 8, drawer lock spare 9, fixed contact mounting panel 10, outer guide 11, casing housing 12, bus clip inlet wire interface 13, bus clip goes out line interface 14, chamber door 15, cable vault's door 16, bus clip inlet wire 17, bus clip outlet 18, breaker operator handle 21, drawer operating grip 22, drawer handle 23, interior guide rail 24, drawer housing 25, drawer-bottom board 26, inlet wire copper bar 27, outlet copper bar 28, current/voltage table 29, signal lamp 30.
Embodiment
For the ease of those skilled in the art's understanding, structural principle of the present utility model is described in further detail below in conjunction with specific embodiment and accompanying drawing:
Shown in Fig. 1～6, a kind of low pressure electricity consumption line load control switch device, comprise that the casing 1 of sealing and the cable of being located on the casing insert the chamber, cable inserts the chamber and is provided with bus clip inlet wire interface 13, bus clip goes out line interface 14, in casing 1, be provided with the drawer 2 that common combinations electrical equipment is housed, outer guide 11 and fixed contact 3 that drawer 2 is moved in casing, fixed contact 3 is fixed in the casing, the end of drawer 2 is provided with moving contact 4, lead to drawer 2 is moved around on outer guide 11, moving contact 4 is inserted on the fixed contact 3, realizes that moving contact 4 closely is connected with fixed contact 3; Or moving contact and fixed contact are separated.Bus clip inlet wire interface 13, bus clip go out line interface 14 and are connected with fixed contact 3 respectively by bus clip inlet wire 17, bus clip outlet 18, have chamber door 15 and cable vault's door 16 on casing 1.Fixed contact 3 is installed in the casing 1 by fixed contact mounting panel 10.
Shown in Fig. 7～12, the special-purpose drawer 2 of the utility model low pressure electricity consumption line load control switch device, described drawer 2 comprise sliding pin 5, drive screw 6, circuit breaker 7, current transformer 8, drawer lock spare 9, breaker operator handle 21, drawer operating grip 22, drawer handle 23, interior guide rail 24, drawer housing 25, drawer-bottom board 26, inlet wire copper bar 27, outlet copper bar 28, current/voltage table 29, signal lamp 30.Circuit breaker 7, current transformer 8 are located in the drawer 2, be electrically connected with moving contact, on drawer-bottom board 26, be provided with sliding pin 5, drive screw 6, described sliding pin 5 is connected with drive screw 6 with breaker operator handle 21, realizes the closing of circuit breakers 7, separating brake action by control breaker operator handle 21.The utility model can realize that by control drawer operating grip 22 fixed contact 3 in the casing is connected or separates with moving contact 4, current/voltage table 29 and signal lamp 30 are installed on the drawer panel, and shell is connected with external ground row by inlet wire copper bar 27, outlet copper bar 28.
Operation principle of the present utility model is: before used combined electrical apparatus such as circuit breaker 7, current transformer 8 overhaul in need be to certain road distribution line, pulling drawer operating grip 22, originally the fixed contact 3 and the moving contact 4 that link to each other are separated, make casing 1 interior non-conductive, the service work that can be correlated with.By breaker operator handle 21 operating breaker operating mechanism sliding pins 5, drive screw 6, carry out the closing of circuit breaker 7, sub-switching operation, circuit breaker operation mechanism compacting drawer lock spare 9, drawer lock spare 9 locked drawer base plates 26 can not action advances mechanism when reaching circuit breaker 7 and closing a floodgate; Otherwise, when circuit breaker 7 is in gate-dividing state, discharging drawer lock spare 9, drawer can move by propulsive mechanism and reach the function that prevents the on-load operation.After maintenance is finished, promote drawer operating grip 22 fixed contact 3 is connected with moving contact 4, conduction in the casing, this road distribution line restores electricity.So repeatedly, can realize the combined electrical apparatus in the multichannel power distribution circuit is detected.
Foregoing is preferred embodiment of the present utility model only, is not to be used to limit embodiment of the present utility model, and those skilled in the art are according to design of the present utility model, and appropriate adaptation of having done or modification all should be within protection ranges of the present utility model.
Claims (10)
1. low pressure electricity consumption line load control switch device, the cable that comprises the casing of sealing and be located on the casing inserts the chamber, it is characterized in that: in casing, be provided with the drawer that common combinations electrical equipment is housed, propulsive mechanism and the fixed contact that drawer is moved in casing, fixed contact is fixed in the casing, the end of drawer is provided with moving contact, and under the action of propulsive mechanism, moving contact is inserted on the fixed contact, realize closely connecting, or moving contact and fixed contact are separated.
2. low pressure electricity consumption line load control switch device according to claim 1, it is characterized in that: described propulsive mechanism comprises the outer guide be located on the casing, is located at interior guide rail and drawer operating grip on the drawer, interior guide rail slides on outer guide, by control drawer operating grip, realize drawer moving in casing.
3. low pressure electricity consumption line load control switch device according to claim 2, it is characterized in that: described common combinations electrical equipment is circuit breaker and/or current transformer.
4. low pressure electricity consumption line load control switch device according to claim 3 is characterized in that: also be provided with breaker operator handle and the circuit breaker operation mechanism that is connected with the breaker operator handle on drawer.
5. low pressure electricity consumption line load control switch device according to claim 4, it is characterized in that: described circuit breaker operation mechanism comprises drawer slide pin and the drive screw that is arranged between breaker operator handle and the drawer-bottom board, one end of described drive screw is connected with the drawer slide pin, and the other end is connected with circuit breaker.
6. low pressure electricity consumption line load control switch device according to claim 5, it is characterized in that: drawer lock spare is installed on drawer, and this drawer lock spare is located on the drive screw.
7. low pressure electricity consumption line load control switch device according to claim 6 is characterized in that: be provided with in drawer into and out of the line copper bar, by realizing that into and out of the line copper bar shell links to each other with external ground.
8. according to claim 6 or 7 described low pressure electricity consumption line load control switch devices, it is characterized in that: be provided with the current/voltage table on the panel of drawer, this current/voltage table shows the numerical value of the current/voltage of the switching device that obtains by the current transformer induction.
9. low pressure electricity consumption line load control switch device according to claim 8 is characterized in that: also be provided with signal lamp and drawer handle on the panel of drawer.
10. low pressure electricity consumption line load control switch device according to claim 1 is characterized in that: have chamber door and cable vault's door on casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201023614U CN201584680U (en) | 2010-01-25 | 2010-01-25 | Low-voltage power line load control switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201023614U CN201584680U (en) | 2010-01-25 | 2010-01-25 | Low-voltage power line load control switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201584680U true CN201584680U (en) | 2010-09-15 |
Family
ID=42726692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201023614U Expired - Fee Related CN201584680U (en) | 2010-01-25 | 2010-01-25 | Low-voltage power line load control switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201584680U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101982913A (en) * | 2010-09-16 | 2011-03-02 | 镇江船舶电器有限责任公司 | Shore connection box |
| CN105071273A (en) * | 2015-07-31 | 2015-11-18 | 太仓宏光自控电器设备有限公司 | Low-voltage draw-out type switch cabinet |
-
2010
- 2010-01-25 CN CN2010201023614U patent/CN201584680U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101982913A (en) * | 2010-09-16 | 2011-03-02 | 镇江船舶电器有限责任公司 | Shore connection box |
| CN105071273A (en) * | 2015-07-31 | 2015-11-18 | 太仓宏光自控电器设备有限公司 | Low-voltage draw-out type switch cabinet |
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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 |
Granted publication date: 20100915 Termination date: 20150125 |
|
| EXPY | Termination of patent right or utility model |