CN203422396U - Outdoor load resistance box - Google Patents
Outdoor load resistance box Download PDFInfo
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- CN203422396U CN203422396U CN201320461097.7U CN201320461097U CN203422396U CN 203422396 U CN203422396 U CN 203422396U CN 201320461097 U CN201320461097 U CN 201320461097U CN 203422396 U CN203422396 U CN 203422396U
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- resistance
- switch
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- outdoor
- line branch
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Abstract
The utility model provides an outdoor load resistance box. The outdoor load resistance box comprises a casing, a load disposed in the casing, a heat dissipation device disposed in the casing, a control box respectively connected with the load and the heat dissipation box, and a branching terminal respectively connected with an external connection inlet wire power source, the load and the control box. According to the outdoor load resistance box, the electrical line is sound; loads with different capacities can be obtained through selecting indoor and controlling circuit breakers from a fist circuit breaker to a fourth circuit breaker to satisfy the needs for a test of a product; ventilating fans are arranged for heat dissipation so that the size of the resistance box is reduced and the service life of resistors is prolonged; the resistance box can be used without any constraints of outdoor environmental conditions; and the safety and utilization efficiency of the outdoor resistance box are improved.
Description
Technical field
The utility model relates to a kind of device of technical field of electricity, specifically, relate to be a kind of be not subject to outdoor environment constraint can indoor control pull-up resistor.
Background technology
High power load case in high-rating generator, high power UPS, inverter, large-sized battery system as fictitious load, can completion system parameter and the detection of function.High power load element in high power load case is the important devices of load box, is to make equipment can realize miniaturization multifunction, the great key point of the functions such as maneuverability.
Conventional load elements mainly contains at present:
Water resistance: in filling with the large pool of pure water, put into electrode and form resistance as load elements.But water resistance volume is large, and device is fixed and cannot be moved; During operation, large water gaging is evaporated, and must supplement at any time, and the purity of water directly affects the resistance of resistance.Pure water system is comparatively complicated, loaded down with trivial details; Use inconvenience.
Chrome-nickel alloy or Aludirome resistance are as load elements: take chrome-nickel alloy or Aludirome resistance is load, is placed in stainless steel or other metal tubes, fill the insulating mediums such as magnesia powder and make.This kind of device shell temperature is high, during work, can generating heat, it is red to burn, produce naked light, under designated volume condition, to realize high-powerly when integrated, between each element, under thermal-radiating effect, bulk temperature be risen suddenly, therefore require high especially to cooling system, as cooling system breaks down, fail to dispel the heat in time, very easily produce and burn to such an extent as to the serious security incident such as blast.
Existing high power load case is due to the restriction of load elements, bulky, operation is complicated, it is high especially that cooling system is required, and safe reliability is not high enough.For client, be a bit mainly used in controlling high capacity, the high performance components of large electric current, cannot find corresponding heavy load to carry out analog subscriber on-site actual situations, or by other loads, piece together and complete test temporarily temporarily, in the quality of product and the control at delivery date, have problems.
Utility model content
The purpose of this utility model is to provide a kind of be applicable to control high capacity, large current element device, the outdoor load resistance box of energy analog subscriber on-site actual situations.
For solving the problems of the technologies described above, the outdoor load resistance box of the utility model, comprising: casing, and load, described load is arranged in described casing; Heat abstractor, described heat abstractor is arranged in described casing; Control enclosure, described control enclosure is connected with described load and described heat abstractor respectively; And line branch terminal, described line branch terminal is connected with external incoming power, described load and described control enclosure respectively.
Described control enclosure comprises the 1st three-phase breaker, the 2nd three-phase breaker, the 3rd three-phase breaker, the 4th three-phase breaker and the 5th isolating switch being arranged in described control enclosure; Wherein said the 5th isolating switch is connected with described heat abstractor.
Described load comprises the 1st resistance, the 2nd resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, the 10th resistance, the 11st resistance and the 12nd resistance; Wherein said the 1st resistance, described the 2nd resistance and described the 3rd resistance form the 1st load group, and are electrically connected to the 1st switch, the 2nd switch and the 3rd switch of described the 1st three-phase breaker; Described the 4th resistance, described the 5th resistance and described the 6th resistance form the 2nd load group, and are electrically connected to the 4th switch, the 5th switch and the 6th switch of described the 2nd three-phase breaker; Described the 7th resistance, described the 8th resistance and described the 9th resistance form the 3rd load group, and are electrically connected to the 7th switch, the 8th switch and the 9th switch of described the 3rd three-phase breaker; Described the 10th resistance, described the 11st resistance and described the 12nd resistance form the 4th load group, and are electrically connected to the 10th switch, the 11st switch and the 12nd switch of described the 4th three-phase breaker.
The power of described the 1st load group, described the 2nd load group, described the 3rd load group and described the 4th load group is respectively 31.5 kilowatts, 18 kilowatts, 3.15 kilowatts and 18 kilowatts.
Described the 1st switch, described the 4th switch, described the 7th switch and described the 10th switch are in parallel with the 5th isolating switch; Described the 2nd switch, described the 5th switch, described the 8th switch and described the 11st switch in parallel; Described the 3rd switch, described the 6th switch, described the 9th switch and described the 12nd switch in parallel.
Described line branch terminal comprises the 1st line branch terminal, the 2nd line branch terminal, three-point line terminal and the 4th line branch terminal; Wherein said the 1st line branch terminal is connected with the tie point of the 5th isolating switch parallel connection with described the 1st switch, described the 4th switch, described the 7th switch and described the 10th switch; Described the 2nd line branch terminal is connected with the tie point of described the 2nd switch, described the 5th switch, described the 8th switch and described the 11st switch in parallel; Described three-point line terminal is connected with the tie point of described the 3rd switch, described the 6th switch, described the 9th switch and described the 12nd switch in parallel; Described the 1st line branch terminal, described the 2nd line branch terminal and described three-point line terminal are connected with external incoming power; Described the 4th line branch terminal is connected with described the 1st resistance, described the 2nd resistance, described the 3rd resistance, described the 4th resistance, described the 5th resistance, described the 6th resistance, described the 7th resistance, described the 8th resistance, described the 9th resistance, described the 10th resistance, described the 11st resistance, described the 12nd resistance and described heat abstractor and ground connection.
In described casing both sides, be also provided with rainproof grid.On described casing top, be also provided with anti-ponding top board.Described heat abstractor is two exhaust fans.
The outdoor load resistance box electric wiring of the utility model is reasonable, indoor, select and controls the load that the 1st isolating switch～4th isolating switch obtains different capabilities, meets the needs of product testing.By exhaust fan, dispel the heat and dwindled resistance box volume, and extended the serviceable life of resistance.Be not subject to outdoor environment constraint to use resistance box.Security and service efficiency that outdoor resistance is used have been improved.
Accompanying drawing explanation
Fig. 1 is the outdoor pull-up resistor box structure of the utility model schematic diagram;
Fig. 2 is the outdoor load resistance box electrical schematic diagram of the utility model.
Description of reference numerals in the outdoor load resistance box accompanying drawing of the utility model:
1-casing 2-load 3-exhaust fan
The anti-ponding top board of the rainproof grid 5-of 4-6-the 1st line branch terminal
7-the 2nd line branch terminal 8-three-point line terminal 9-the 4th line branch terminal
10-control enclosure 11-electric wire wire hole
Embodiment
Below in conjunction with accompanying drawing, the outdoor load resistance box of the utility model is described in further detail.
As shown in Figure 1, the outdoor load resistance box of the utility model, comprising: casing 1, in casing 1 both sides, be provided with rainproof grid 4, and on casing 1 top, be also provided with anti-ponding top board 5.Load 2 is arranged in casing 1, and control enclosure 10 is connected with load 2, for control load 2, forms different power combination.Line branch terminal is by electric wire wire hole 12 and external incoming power, and one end is connected with load 2 and control enclosure 10 in addition.Two exhaust fans 3 are arranged in casing 1, are connected, as the heat abstractor of casing 1 with control enclosure 10.
As shown in Figure 2, control enclosure 10 comprises the 1st three-phase breaker QF1, the 2nd three-phase breaker QF2, the 3rd three-phase breaker QF3, the 4th three-phase breaker QF4 and the 5th circuit breaker Q F5 being arranged in control enclosure 10; Wherein the 5th circuit breaker Q F5 is connected with exhaust fan 3.
Load 2 comprises the 1st resistance R the 1, the 2nd resistance R the 2, the 3rd resistance R the 3, the 4th resistance R the 4, the 5th resistance R the 5, the 6th resistance R the 6, the 7th resistance R the 7, the 8th resistance R the 8, the 9th resistance R the 9, the 10th resistance R the 10, the 11st resistance R 11 and the 12nd resistance R 12.
The 1st resistance R the 1, the 2nd resistance R 2 and the 3rd resistance R 3 form the 1st load group, and are electrically connected to the 1st interrupteur SW the 1, the 2nd interrupteur SW 2 and the 3rd interrupteur SW 3 of the 1st three-phase breaker QF1, and the power of the 1st load group is respectively 31.5 kilowatts.
The 4th resistance R the 4, the 5th resistance R 5 and the 6th resistance R 6 form the 2nd load group, and are electrically connected to the 4th interrupteur SW the 4, the 5th interrupteur SW 5 and the 6th interrupteur SW 6 of the 2nd three-phase breaker QF2, and the power of the 2nd load group is respectively 18 kilowatts.
The 7th resistance R the 7, the 8th resistance R 8 and the 9th resistance R 9 form the 3rd load group, and are electrically connected to the 7th interrupteur SW the 7, the 8th interrupteur SW 8 and the 9th interrupteur SW 9 of the 3rd three-phase breaker QF3, and the power of the 3rd load group is respectively 3.15 kilowatts.
The 10th resistance R the 10, the 11st resistance R 11 and the 12nd resistance R 12 form the 4th load group, and are electrically connected to the 10th interrupteur SW the 10, the 11st interrupteur SW 11 and the 12nd interrupteur SW 12 of the 4th three-phase breaker QF4, and the power of the 4th load group is respectively 18 kilowatts.
The 1st interrupteur SW the 1, the 4th interrupteur SW the 4, the 7th interrupteur SW 7 and the 10th interrupteur SW 10 are in parallel with the 5th circuit breaker Q F5, and the 1st line branch terminal 6 is connected with the tie point of the 5th circuit breaker Q F5 parallel connection with the 1st interrupteur SW the 1, the 4th interrupteur SW the 4, the 7th interrupteur SW 7 and the 10th interrupteur SW 10.
The 2nd interrupteur SW the 2, the 5th interrupteur SW the 5, the 8th interrupteur SW 8 and the 11st interrupteur SW 11 parallel connections, the 2nd line branch terminal 7 is connected with the tie point of the 2nd interrupteur SW the 2, the 5th interrupteur SW the 5, the 8th interrupteur SW 8 and the 11st interrupteur SW 11 parallel connections.
The 3rd interrupteur SW the 3, the 6th interrupteur SW the 6, the 9th interrupteur SW 9 and the 12nd interrupteur SW 12 parallel connections, three-point line terminal 8 is connected with the tie point of the 3rd interrupteur SW the 3, the 6th interrupteur SW the 6, the 9th interrupteur SW 9 and the 12nd interrupteur SW 12 parallel connections.
The 4th line branch terminal 9 is connected with the 1st resistance R the 1, the 2nd resistance R the 2, the 3rd resistance R the 3, the 4th resistance R the 4, the 5th resistance R the 5, the 6th resistance R the 6, the 7th resistance R the 7, the 8th resistance R the 8, the 9th resistance R the 9, the 10th resistance R the 10, the 11st resistance R the 11, the 12nd resistance R 12 and exhaust fan 3 and ground connection.
The outdoor load resistance box electric wiring of the utility model is reasonable, indoor, select and controls the load that the 1st isolating switch～4th isolating switch obtains different capabilities, meets the needs of product testing.By exhaust fan, dispel the heat and dwindled resistance box volume, and extended the serviceable life of resistance.Be not subject to outdoor environment constraint to use resistance box.Security and service efficiency that outdoor resistance is used have been improved.
Below the preferred embodiment of the utility model having been created illustrates, but the utility model is created and is not limited to described embodiment, those of ordinary skill in the art also can make all modification being equal to or replacement under the prerequisite without prejudice to the utility model creative spirit, and the modification that these are equal to or replacement are all included in the application's claim limited range.
Claims (9)
1. outdoor load resistance box, is characterized in that, comprising:
Casing,
Load, described load is arranged in described casing;
Heat abstractor, described heat abstractor is arranged in described casing;
Control enclosure, described control enclosure is connected with described load and described heat abstractor respectively; And
Line branch terminal, described line branch terminal is connected with external incoming power, described load and described control enclosure respectively.
2. outdoor load resistance box according to claim 1, is characterized in that, described control enclosure comprises the 1st three-phase breaker, the 2nd three-phase breaker, the 3rd three-phase breaker, the 4th three-phase breaker and the 5th isolating switch being arranged in described control enclosure; Wherein said the 5th isolating switch is connected with described heat abstractor.
3. outdoor load resistance box according to claim 2, it is characterized in that, described load comprises the 1st resistance, the 2nd resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, the 10th resistance, the 11st resistance and the 12nd resistance; Wherein
Described the 1st resistance, described the 2nd resistance and described the 3rd resistance form the 1st load group, and are electrically connected to the 1st switch, the 2nd switch and the 3rd switch of described the 1st three-phase breaker;
Described the 4th resistance, described the 5th resistance and described the 6th resistance form the 2nd load group, and are electrically connected to the 4th switch, the 5th switch and the 6th switch of described the 2nd three-phase breaker;
Described the 7th resistance, described the 8th resistance and described the 9th resistance form the 3rd load group, and are electrically connected to the 7th switch, the 8th switch and the 9th switch of described the 3rd three-phase breaker;
Described the 10th resistance, described the 11st resistance and described the 12nd resistance form the 4th load group, and are electrically connected to the 10th switch, the 11st switch and the 12nd switch of described the 4th three-phase breaker.
4. outdoor load resistance box according to claim 3, is characterized in that, the power of described the 1st load group, described the 2nd load group, described the 3rd load group and described the 4th load group is respectively 31.5 kilowatts, 18 kilowatts, 3.15 kilowatts and 18 kilowatts.
5. outdoor load resistance box according to claim 3, is characterized in that, described the 1st switch, described the 4th switch, described the 7th switch and described the 10th switch are in parallel with the 5th isolating switch;
Described the 2nd switch, described the 5th switch, described the 8th switch and described the 11st switch in parallel;
Described the 3rd switch, described the 6th switch, described the 9th switch and described the 12nd switch in parallel.
6. outdoor load resistance box according to claim 3, is characterized in that, described line branch terminal comprises the 1st line branch terminal, the 2nd line branch terminal, three-point line terminal and the 4th line branch terminal; Wherein
Described the 1st line branch terminal is connected with the tie point of the 5th isolating switch parallel connection with described the 1st switch, described the 4th switch, described the 7th switch and described the 10th switch;
Described the 2nd line branch terminal is connected with the tie point of described the 2nd switch, described the 5th switch, described the 8th switch and described the 11st switch in parallel;
Described three-point line terminal is connected with the tie point of described the 3rd switch, described the 6th switch, described the 9th switch and described the 12nd switch in parallel;
Described the 1st line branch terminal, described the 2nd line branch terminal and described three-point line terminal are connected with external incoming power;
Described the 4th line branch terminal is connected with described the 1st resistance, described the 2nd resistance, described the 3rd resistance, described the 4th resistance, described the 5th resistance, described the 6th resistance, described the 7th resistance, described the 8th resistance, described the 9th resistance, described the 10th resistance, described the 11st resistance, described the 12nd resistance and described heat abstractor and ground connection.
7. outdoor load resistance box according to claim 1, is characterized in that, in described casing both sides, is also provided with rainproof grid.
8. outdoor load resistance box according to claim 1, is characterized in that, on described casing top, is also provided with anti-ponding top board.
9. according to the outdoor load resistance box described in claim 1 or 2 or 6, it is characterized in that, described heat abstractor is two exhaust fans.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320461097.7U CN203422396U (en) | 2013-07-30 | 2013-07-30 | Outdoor load resistance box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320461097.7U CN203422396U (en) | 2013-07-30 | 2013-07-30 | Outdoor load resistance box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203422396U true CN203422396U (en) | 2014-02-05 |
Family
ID=50021491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320461097.7U Expired - Lifetime CN203422396U (en) | 2013-07-30 | 2013-07-30 | Outdoor load resistance box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203422396U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104345179A (en) * | 2013-07-30 | 2015-02-11 | 上海山特姆电气有限公司 | Outdoor resistance box |
-
2013
- 2013-07-30 CN CN201320461097.7U patent/CN203422396U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104345179A (en) * | 2013-07-30 | 2015-02-11 | 上海山特姆电气有限公司 | Outdoor resistance box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140205 |