CN201214584Y - Heat radiating device and elevator apparatus of braking resistor - Google Patents
Heat radiating device and elevator apparatus of braking resistor Download PDFInfo
- Publication number
- CN201214584Y CN201214584Y CNU2008200471086U CN200820047108U CN201214584Y CN 201214584 Y CN201214584 Y CN 201214584Y CN U2008200471086 U CNU2008200471086 U CN U2008200471086U CN 200820047108 U CN200820047108 U CN 200820047108U CN 201214584 Y CN201214584 Y CN 201214584Y
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- Prior art keywords
- braking resistor
- fan assembly
- parallel
- braking resistance
- power
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- Stopping Of Electric Motors (AREA)
Abstract
The utility model relates to a braking resistance cooling device. A braking resistance is connected with the two ends of a transducer bus in parallel. The braking resistance cooling device also comprises fan devices which are arranged at the two ends of the braking resistance. In the technical proposal, because the fan devices which are arranged at the two ends of the braking resistance and the braking resistance is connected with the two ends of the transducer bus in parallel, the power supply for the rotation of the fan devices can be driven by the power in the generation state; no additional power is required; and thus the energy is saved. Simultaneously, because part of the power in the generation state can be provided for the fan devices to drive the fan devices, the power providing for the braking resistance is reduced correspondingly. Moreover, because of the high-speed rotation of the fans, the heat exchange around the braking resistance is quickened, the requirements for the power of the braking resistance is reduced, the volume of the braking resistance is reduced, and the space of the machine chamber is enlarged.
Description
Technical field
The utility model relates to the braking technology field, particularly the heat dissipation technology of the braking resistor in the braking technology and a kind of lift appliance.
Background technology
Needs use frequency converter with the technical field of braking in, elevator technology field for example, subway or the like, when carrying out brake operating, can produce the regenerated energy of feedback, these energy consume in heat-producing mode by the braking resistor that is connected in parallel on frequency converter bus two ends usually, according to this mode, bigger at load carrying ability, when perhaps speed is very fast, the power of the braking resistor that adopts is bigger, the occupied space of braking resistor is also big, and the heat that it produced simultaneously is also very big, thereby causes the rising of ambient temperature, when temperature is excessive, cause safety issue easily.
In the prior art, in order to solve the above-mentioned problem that causes the ambient temperature rising because of heat that braking resistor produces, a kind of mode of being taked is used a fan below braking resistor, this fan is by external power source, quicken flowing of braking resistor ambient air by the high speed rotating of fan, to promote heat radiation, make the ambient temperature of braking resistor be in the scope of a safety.
Yet, according to this mode of the prior art, need come the running of drive fan by external power source, not only the external electric energy of Xiao Haoing has also been wasted the energy of brake equipment deposit originally.
The utility model content
At the problem that exists in existing, first purpose of the present utility model is to provide a kind of heat abstractor of braking resistor, and the heat abstractor of this braking resistor can effectively be saved the energy with respect to prior art.
For achieving the above object, the utility model by the following technical solutions:
A kind of heat abstractor of braking resistor, described braking resistor is connected in parallel on the two ends of frequency converter bus, and described heat abstractor comprises: the fan assembly that is connected in parallel on described braking resistor two ends.
Heat abstractor according to braking resistor of the present utility model, because fan assembly is connected in parallel on the two ends of braking resistor, and braking resistor is the two ends that are connected in parallel on the frequency converter bus, thereby the power supply of fan assembly running can be driven by the electric energy under the generating state, and do not need additionally to provide electric energy, saved the energy.
The heat abstractor of described braking resistor also comprises: be connected the divider resistance between described braking resistor and the described fan assembly.
Thereby, by the dividing potential drop effect of divider resistance, can make fan assembly be in safer voltage range, make fan assembly be in better mode of operation.
The heat abstractor of described braking resistor also comprises: be connected in parallel on the electric capacity at described fan assembly two ends, and be connected the inductance between described divider resistance or braking resistor and the described fan assembly.
Thereby inductance, electric capacity can carry out energy storage, can make the voltage at fan assembly two ends remain on certain scope substantially, and fan assembly can be worked more efficiently, improve the serviceability of fan assembly.
Wherein, described fan assembly is positioned at the below of described braking resistor.
Second purpose of the present utility model is to provide a kind of lift appliance, and it can dispel the heat to the braking resistor of elevator effectively, and can save the energy effectively.
For achieving the above object, the utility model by the following technical solutions:
A kind of lift appliance comprises the braking resistor that is connected in parallel on the frequency changer direct current bus two ends, also comprises: the fan assembly that is connected in parallel on described braking resistor two ends.
According to lift appliance of the present utility model, because fan assembly is connected in parallel on the two ends of braking resistor, and braking resistor is the two ends that are connected in parallel on the frequency converter bus, thereby the power supply of fan assembly running can be driven by the electric energy under the generating state, and do not need additionally to provide electric energy, saved the energy.
Described lift appliance also comprises: be connected the divider resistance between described braking resistor and the described fan assembly.
Thereby, can carry out dividing potential drop to described fan assembly by divider resistance, can make fan assembly be in better mode of operation.
Described lift appliance also comprises: be connected in parallel on the electric capacity at described fan assembly two ends, and be connected the inductance between described divider resistance or braking resistor and the described fan assembly.
Thereby inductance, electric capacity can carry out energy storage, can make the voltage at fan assembly two ends remain on certain scope substantially, and fan assembly can be worked more efficiently, improve the serviceability of fan assembly.
Wherein, described fan assembly is positioned at the below of described braking resistor.
Wherein, described lift appliance is a vertical lift.
Description of drawings
Fig. 1 is the structural representation of preferred embodiment of the heat abstractor of the utility model braking resistor.
The specific embodiment
As shown in Figure 1, it is the structural representation of preferred embodiment of the heat abstractor of the utility model braking resistor, described braking resistor is connected in parallel on the two ends of frequency converter bus, one end of braking resistor is connected with divider resistance R simultaneously, the other end is connected with fan assembly, the other end of divider resistance R is connected with the other end of fan assembly by inductance L, and the two ends of fan assembly are parallel with capacitor C simultaneously, forms heat abstractor jointly by described divider resistance R, fan assembly, inductance L and capacitor C.
Wherein, structural representation according to above-mentioned preferred embodiment the inside, divider resistance R can realize the dividing potential drop effect, under the principle that does not change total resistance value, suitably choose the resistance value of divider resistance R and carry out dividing potential drop, make fan assembly can be in safer voltage range, make the fan assembly can be in normal operation with high performance operation more.In addition, because the voltage at braking resistor two ends is near square wave, and inductance, electric capacity can form the energy storage effect, make the voltage at fan assembly two ends remain essentially in certain scope, so that fan assembly is with high performance operation more.
Heat abstractor according to the braking resistor in the above-mentioned preferred embodiment, because the loop that fan assembly and divider resistance R, inductance L, capacitor C are formed is connected in parallel on the two ends of braking resistor, and braking resistor is connected in parallel on the two ends of frequency converter bus, i.e. loop of forming by fan assembly, divider resistance R, inductance L, capacitor C and the braking resistor two ends that are connected in parallel on the frequency converter bus simultaneously, thereby, fan assembly can be by the frequency converter bussed supply, the electric energy that is produced down by generating state drives its operation, and do not need to use extra power supply source, saved the energy.Simultaneously, because the electric energy part under the generating state offers fan assembly and moves with the drive fan device, thereby to the corresponding minimizing to some extent of the electric energy that braking resistor provided, and, because the high-speed operation of fan has quickened braking resistor interchange of heat on every side, thereby reduced requirement to the power of braking resistor, reduce the volume of braking resistor, increased the space that utilizes of machine room.
With an elevator is example, suppose that once (from starting to stop) the needed time is about 25 seconds in its operation, if adopt braking resistor radiating mode of the prior art, by from external electricity so that radiator fan is powered, suppose that fan power is 6W, so, the elevator operation once electric energy of required consumption is 25*6=150W, the power that the elevator operation is 10000 times is 1500KW, and according to braking resistor heat abstractor of the present utility model, owing to do not need from the external power supply power taking, then do not need to consume these extra energy, saved the energy.
The heat abstractor of braking resistor of the present utility model, can be applied to devices such as produce power is bigger under the braking mode vertical lift and subway, wherein, the value of the power of fan assembly, divider resistance, inductance, electric capacity can carry out freely selecting as the case may be, for example according to size of the resistance value of the power of fan assembly or braking resistor or the like.
According to the heat abstractor of above-mentioned braking resistor, the utility model can also provide a kind of lift appliance that comprises the heat abstractor of above-mentioned braking resistor, especially vertical lift device.
Above-described the utility model embodiment only is that a preferred embodiment of the present utility model is described, and does not constitute the qualification to the utility model protection domain.Any modification of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the claim protection domain of the present utility model.
Claims (10)
1, a kind of heat abstractor of braking resistor, described braking resistor is connected in parallel on the two ends of frequency converter bus, it is characterized in that, and described heat abstractor comprises: the fan assembly that is connected in parallel on described braking resistor two ends.
2, the heat abstractor of braking resistor according to claim 1 is characterized in that, also comprises: be connected the divider resistance (R) between described braking resistor and the described fan assembly.
3, the heat abstractor of braking resistor according to claim 2 is characterized in that, also comprises: be connected in parallel on the electric capacity (C) at described fan assembly two ends, and be connected the inductance (L) between described divider resistance (R) and the described fan assembly.
4, according to the heat abstractor of claim 1 or 2 or 3 described braking resistors, it is characterized in that: described fan assembly is positioned at the below of described braking resistor.
5, a kind of lift appliance comprises the braking resistor that is connected in parallel on frequency converter bus two ends, it is characterized in that, also comprises: the fan assembly that is connected in parallel on described braking resistor two ends.
6, lift appliance according to claim 5 is characterized in that, also comprises: be connected the divider resistance (R) between described braking resistor and the described fan assembly.
7, lift appliance according to claim 5 is characterized in that, also comprises: be connected in parallel on the electric capacity (C) at described fan assembly two ends, and be connected the inductance (L) between described braking resistor and the described fan assembly.
8, lift appliance according to claim 6 is characterized in that, also comprises: be connected in parallel on the electric capacity (C) at described fan assembly two ends, and be connected the inductance (L) between described divider resistance (R) and the described fan assembly.
9, according to claim 5 or 6 or 7 or 8 described lift appliances, it is characterized in that: described fan assembly is positioned at the below of described braking resistor.
10, according to claim 5 or 6 or 7 or 8 described lift appliances, it is characterized in that described lift appliance is a vertical lift.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200471086U CN201214584Y (en) | 2008-04-29 | 2008-04-29 | Heat radiating device and elevator apparatus of braking resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200471086U CN201214584Y (en) | 2008-04-29 | 2008-04-29 | Heat radiating device and elevator apparatus of braking resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201214584Y true CN201214584Y (en) | 2009-04-01 |
Family
ID=40519790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200471086U Expired - Lifetime CN201214584Y (en) | 2008-04-29 | 2008-04-29 | Heat radiating device and elevator apparatus of braking resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201214584Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104582417A (en) * | 2013-10-24 | 2015-04-29 | 北京同方吉兆科技有限公司 | Self-cooling structure for high-power absorbing load |
| CN109361310A (en) * | 2018-11-21 | 2019-02-19 | 珠海格力电器股份有限公司 | Residual charge discharging circuit, current converter and air conditioner |
| CN112645190A (en) * | 2019-10-11 | 2021-04-13 | 通力股份公司 | Remote status monitoring system for fan of elevator |
-
2008
- 2008-04-29 CN CNU2008200471086U patent/CN201214584Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104582417A (en) * | 2013-10-24 | 2015-04-29 | 北京同方吉兆科技有限公司 | Self-cooling structure for high-power absorbing load |
| CN109361310A (en) * | 2018-11-21 | 2019-02-19 | 珠海格力电器股份有限公司 | Residual charge discharging circuit, current converter and air conditioner |
| CN112645190A (en) * | 2019-10-11 | 2021-04-13 | 通力股份公司 | Remote status monitoring system for fan of elevator |
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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: 20090401 |