CN207069947U - Integrated high-power dynamic braking cabinet for motor frequency conversion transmission - Google Patents
Integrated high-power dynamic braking cabinet for motor frequency conversion transmission Download PDFInfo
- Publication number
- CN207069947U CN207069947U CN201720706877.1U CN201720706877U CN207069947U CN 207069947 U CN207069947 U CN 207069947U CN 201720706877 U CN201720706877 U CN 201720706877U CN 207069947 U CN207069947 U CN 207069947U
- Authority
- CN
- China
- Prior art keywords
- cabinet
- dynamic braking
- unit
- braking
- blower fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of integrated high-power dynamic braking cabinet for motor frequency conversion transmission, including cabinet, dynamic braking unit, braking resistor unit and blower fan, the dynamic braking unit, braking resistor unit and blower fan are placed in cabinet, and the dynamic braking unit is arranged at the lower section of cabinet, the braking resistor unit is arranged at the top of cabinet, and the blower fan is arranged between dynamic braking unit and braking resistor unit.A kind of integrated high-power dynamic braking cabinet for motor frequency conversion transmission described in the utility model, the integral type brake cabinet can simplify the mode of connection, and the thermal diffusivity of this kind of brake cabinet is preferable, safe to use.
Description
Technical field
It the utility model is related to a kind of dynamic braking cabinet, and in particular to a kind of big work(of integral type for motor frequency conversion transmission
Rate dynamic braking cabinet.
Background technology
Existing frequency converter dragging needs the heavy-duty motor frequently braked, and use is all on frequency changer direct current bus
Mount the scheme of dynamic braking unit and high-power dynamic braking resistance (braking resistor cubicle).When motor braking, it is caused again
Raw energy feedback is on frequency changer direct current bus so that frequency changer direct current bus voltage pump rise, is led when rising to dynamic braking unit
During logical voltage, dynamic braking unit, which connects dynamic braking resistance, to discharge, and when putting to normal DC busbar voltage, braking is single
Member shut-off.In the prior art, dynamic braking unit is loaded in frequency conversion tank, and dynamic braking resistance is individually into cabinet.The shortcomings of doing so：
Wiring trouble directly is installed using client, it is necessary to the cable of brake unit is connected into frequency converter, then the cable of braking resistor is connected
To brake unit, and the cable connected with resistance requires high temperature-resistant cable；In addition, also have the brake cabinet of part integral type,
Because dynamic braking resistance heating is serious, resistor main body temperature highest is typically up to 400 DEG C, so needing blower fan to cool down.Due to
The density ratio cold air density of hot-air is low, so thermal current all runs up, and brake unit is loaded on the cabinet of high fever
It is interior, therefore than relatively hazardous.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of integrated high-power for motor frequency conversion transmission
Dynamic braking cabinet, the integral type brake cabinet can simplify the mode of connection, and the thermal diffusivity of this kind of brake cabinet is preferable, safe to use.
In order to solve the above technical problems, the technical solution adopted in the utility model：It is a kind of to be used for the one of motor frequency conversion transmission
The high-power dynamic braking cabinet of body formula, it is characterised in that：Including cabinet, dynamic braking unit, braking resistor unit and blower fan,
The dynamic braking unit, braking resistor unit and blower fan are placed in cabinet, and the dynamic braking unit is arranged at cabinet
Lower section, the braking resistor unit is arranged at the top of cabinet, and the blower fan is arranged at dynamic braking unit and braking resistor
Between unit.
Preferably, the dynamic braking unit is provided with multiple, and multiple dynamic braking units are arranged on the cabinet
At the same horizontal position below body, the blower fan is provided with multiple.
Preferably, the number of the blower fan is more than or equal to the number of the dynamic braking unit.
Preferably, the dynamic braking unit is provided with two, and two dynamic braking units are arranged on the cabinet
At the same horizontal position below body；The blower fan is provided with two.
Preferably, a blower fan is set on the vertical direction of each dynamic braking unit.
Preferably, the braking resistor unit includes several braking resistors.
Preferably, it is horizontally disposed with several short transverses of braking resistor along the cabinet.
The beneficial effects of the utility model：Braking resistor unit is arranged above cabinet by the utility model, dynamic braking
Unit is arranged at the lower section of cabinet, and blower fan is arranged between braking resistor unit and dynamic braking unit, and blower fan is to braking resistor
Unit carries out air blast, carries out exhausting to dynamic braking unit, so ensures that dynamic braking unit and braking resistor unit
Air intake is all normal temperature cold air, has effectively carried out forced air cooling radiating to them；Due to the design of cabinet integral type, braking electricity
High-temperature cable between resistance unit and dynamic braking unit connects in advance, simplifies the installation mode of connection.
Brief description of the drawings
Fig. 1 is the structural representation of integrated high-power dynamic braking cabinet in the present embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Embodiment：
A kind of integrated high-power dynamic braking cabinet for motor frequency conversion transmission, as shown in figure 1, including cabinet 1, energy consumption
Brake unit 2, braking resistor unit 3 and blower fan 4, dynamic braking unit 2, braking resistor unit 3 and blower fan 4 are placed in cabinet
In body 1, and dynamic braking unit 2 is arranged at the lower section of cabinet 1, and braking resistor unit 3 is arranged at the top of cabinet 1, and blower fan 4 is set
It is placed between dynamic braking unit 2 and braking resistor unit 3.
It should be noted that braking resistor unit 3 to be arranged to the top of cabinet 1, dynamic braking unit 2 is arranged at cabinet 1
Lower section, blower fan 4 is arranged between braking resistor unit 3 and dynamic braking unit 2, and blower fan 4 is carried out to braking resistor unit 3
Air blast, exhausting is carried out to dynamic braking unit 2, so ensures that the air intake of dynamic braking unit 2 and braking resistor unit 3
All it is normal temperature cold air, forced air cooling radiating effectively has been carried out to them.This structure design can avoid blower fan 4 to system
Dynamic resistance unit 3 carries out exhausting, hot-air is run up, and the situation that dynamic braking unit 2 is chronically at hot environment occurs, this
The use of brake cabinet in utility model is safer.
In order that brake cabinet can preferably draw the energy of regeneration, according to the demand of reality, in cabinet 1, dynamic braking
Unit 2 can be provided with multiple, and multiple dynamic braking units 2 are arranged at the same horizontal position of the lower section of cabinet 1.This
It is preferably air-cooled that kind of arrangement mode can realize dynamic braking unit 2, and when 4 exhausting of blower fan, cold air is from dynamic braking list
First 2 one end enter cabinet 1, and by the air blast of blower fan 4, braking resistor unit 3 are carried out air-cooled.Due to multiple brake units 2, wind
Machine 4 is provided with multiple, it is preferably carried out pressure wind to the dynamic braking unit 2 in cabinet 1 and braking resistor unit 3
It is cold.
In order to further improve the thermal diffusivity of cabinet 1, it is preferred that the number of blower fan 4 is more than or equal to the dynamic braking list
The number of member 2, i.e. number of the number of blower fan 4 at least equal to dynamic braking unit 2.
In the present embodiment, according to actual requirement, dynamic braking unit 2 is provided with two, and two dynamic braking units 2 are set
Put at the same horizontal position below cabinet 1；Blower fan 4 is provided with two, and in order to further improve the thermal diffusivity of cabinet 1
Can, when being provided with a blower fan 4, i.e. 4 exhausting of blower fan on each vertical direction of dynamic braking unit 2, the flow direction of wind and energy
It is vertical to consume brake unit, be i.e. direction shown in AB arrows in Fig. 1, it is air-cooled to realize that dynamic braking unit 2 maximizes.
In the present embodiment, braking resistor unit 3 includes several braking resistors 3.1.
In order that blower fan maximumlly carries out air-cooled, level in several short transverses of braking resistor 3.1 along cabinet 1
Set, i.e., be parallel to each other between each braking resistor 3.1, and each braking resistor 3.1 is vertical with the short transverse of cabinet 1.It is this
Arrangement mode can make blower fan 4 carry out the air-cooled of maximization degree to braking resistor unit 3, improve the thermal diffusivity of cabinet 1, so as to
Reduce the temperature in cabinet 1.
It is described above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with the power
The protection domain that profit requires is defined.
Claims (7)
- A kind of 1. integrated high-power dynamic braking cabinet for motor frequency conversion transmission, it is characterised in that：Including cabinet, energy consumption system Moving cell, braking resistor unit and blower fan, the dynamic braking unit, braking resistor unit and blower fan are placed in cabinet It is interior, and the dynamic braking unit is arranged at the lower section of cabinet, the braking resistor unit is arranged at the top of cabinet, the wind Machine is arranged between dynamic braking unit and braking resistor unit.
- 2. integrated high-power dynamic braking cabinet according to claim 1, it is characterised in that：The dynamic braking unit is set Have multiple, and multiple dynamic braking units are arranged at the same horizontal position below the cabinet, and the blower fan is set Have it is multiple,.
- 3. integrated high-power dynamic braking cabinet according to claim 2, it is characterised in that：The number of the blower fan be more than etc. In the number of the dynamic braking unit.
- 4. integrated high-power dynamic braking cabinet according to claim 2, it is characterised in that：The dynamic braking unit is set There are two, and two dynamic braking units are arranged at the same horizontal position below the cabinet；The blower fan is set There are two.
- 5. integrated high-power dynamic braking cabinet according to claim 4, it is characterised in that：Each dynamic braking unit Vertical direction on set a blower fan.
- 6. integrated high-power dynamic braking cabinet according to claim 1, it is characterised in that：The braking resistor unit includes Several braking resistors.
- 7. integrated high-power dynamic braking cabinet according to claim 6, it is characterised in that：Several described braking resistor edges And be horizontally disposed with the short transverse of the cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720706877.1U CN207069947U (en) | 2017-06-16 | 2017-06-16 | Integrated high-power dynamic braking cabinet for motor frequency conversion transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720706877.1U CN207069947U (en) | 2017-06-16 | 2017-06-16 | Integrated high-power dynamic braking cabinet for motor frequency conversion transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207069947U true CN207069947U (en) | 2018-03-02 |
Family
ID=61508985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720706877.1U Active CN207069947U (en) | 2017-06-16 | 2017-06-16 | Integrated high-power dynamic braking cabinet for motor frequency conversion transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207069947U (en) |
-
2017
- 2017-06-16 CN CN201720706877.1U patent/CN207069947U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204316303U (en) | A kind of current transformer power cabinet | |
| CN205051290U (en) | Quick radiating bus duct | |
| CN203193473U (en) | Cooling system of IGBT power module | |
| CN202798482U (en) | Power module and photovoltaic grid-connected inversion system | |
| CN204229982U (en) | A kind of air-cooled transformer cooling system of forced oil-circulation energy-saving and low noise | |
| CN201908789U (en) | Radiating device of wind-driven generator | |
| CN205230713U (en) | Solar energy transformer cooling device | |
| CN206313409U (en) | A kind of bus duct with heat sinking function | |
| CN207021542U (en) | A kind of intelligent heat dissipation solar energy transformer tank | |
| CN206302159U (en) | A kind of water-cooled high-voltage dynamic reactive compensation device power cell | |
| CN207069947U (en) | Integrated high-power dynamic braking cabinet for motor frequency conversion transmission | |
| CN204517672U (en) | A kind of power layout structure of independent capacitance module | |
| CN204167440U (en) | Electric motor coach battery thermal management system | |
| CN202856646U (en) | Inverter cabinet with great heat exchanging capability | |
| CN204927272U (en) | Silicon controlled rectifier cooling system of rigs in oilfield motor filter | |
| CN204179957U (en) | A kind of high integrated wind cooling power unit | |
| CN204940945U (en) | Cooling unit bottom type modular communication machine room | |
| CN207834908U (en) | A kind of intelligent switchboard | |
| CN102723878B (en) | High-power solar three-phase grid-connected inverter | |
| CN207124548U (en) | Frequency-conversion control cabinet with independent radiating area | |
| CN204560113U (en) | Electric machine controller radiator structure | |
| CN206180826U (en) | Controllable converter dispels heat | |
| CN209046507U (en) | A kind of high-power water-cooling current transformer device | |
| CN201259290Y (en) | Novel heat exchanger | |
| CN205681320U (en) | A kind of high-power photovoltaic inverter of integrated DC cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |