CN203166742U - High-voltage frequency conversion apparatus - Google Patents
High-voltage frequency conversion apparatus Download PDFInfo
- Publication number
- CN203166742U CN203166742U CN 201320100419 CN201320100419U CN203166742U CN 203166742 U CN203166742 U CN 203166742U CN 201320100419 CN201320100419 CN 201320100419 CN 201320100419 U CN201320100419 U CN 201320100419U CN 203166742 U CN203166742 U CN 203166742U
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- power cell
- transformer
- voltage frequency
- high voltage
- cabinet
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Abstract
The utility model discloses a high-voltage frequency conversion apparatus, comprising a cabinet and a fan. The cabinet is an integrated cabinet comprising an integrated pedestal and an integrated cabinet body. The interior of the cabinet body is divided by plural vertical separation plates into air channels and multiple functional rooms. The functional rooms includes a transformer room used for installing a transformer, a bypass switching room used for installing bypass switching equipment, a power unit room used for installing a power unit, and a controlling room used for installing a control device. The high-voltage frequency conversion apparatus is obviously reduced in size and substantially decreased in cost; functional parts of the apparatus are fixedly connected with one another and are high in reliability; the controlling effect of the package material cost and the logistics cost is more obvious; all parts of the apparatus are integrated into a whole, the connection among all functional modules can be directly completed in a production workshop, and no on-site secondary line connection needs to be conducted; and not only damages of higher harmonic and electromagnetic radiation caused by over-long cable conductors can be reduced, but also the reliability of the apparatus can be greatly increased.
Description
[technical field]
The utility model relates to frequency control equipment, relates in particular to a kind of high voltage frequency converter.
[background technology]
Frequency converter is to utilize turning on and off of semiconductor power device, power frequency supply is transformed to the electric energy control device of frequency adjustable.The words of distinguishing by supply power voltage, 3kV and above frequency converter are called high voltage converter, as a kind of novel energy-conserving product, high voltage converter is widely used in numerous industries such as thermal power generation, chemical industry, mine, water supply, and is bringing into play more and more important effect.
The conventional high-tension RHVC adopts the power unit cascade structure as shown in Figure 1, and whole device comprises control cubicle 1, power cell cabinet 2, transformer case 3, bypass cabinet 4 and heat dissipation ventilation system 5, totally five parts.
For the electromagnetic isolation that realizes high pressure strong power part and low voltage control part, heating part and the not isolation of heating part of control circuit of power conversion, the high voltage converter of prior art as shown in Figure 1.Control section independently is placed in the control cubicle 1, power cell partly is placed on independently in the power cell cabinet 2, the phase shift transformation partly is placed on independently in the transformer case 3, the bypass switching part is placed on independently bypass and switches in the cabinet 4.Traditional high-voltage frequency conversion and speed-adjusting device comprises four independently cabinet and one air channels independently, is spliced into a complete machine mutually.
High-voltage frequency conversion and speed-adjusting device is used by four cupboard splicings, has following shortcoming:
1. each cabinet is long-pending huge, and it is bigger to take up room, for production and transport etc. brings higher cost.
2. connect with cable between each cabinet, between power cell cabinet and the transformer case, stube cable is longer between transformer case and the switching cabinet.Long control line, the connection of cable have not only improved cost, and have formed distributed capacitance easily, and this distributed capacitance is effective transport vehicle of high order harmonic component, causes various humorous wave interference and electromagnetic radiation easily, reduce quality level and the reliability of equipment.
3. after the equipment split is transported to the scene, need to connect each cabinet with cable at the scene, comprise that the secondary of control line connects, this need cause artificial waste using the on-the-spot secondary that carries out whole set equipment to connect debugging.Simultaneously because limitation of field condition, on-the-spot line and debugging, more than not production environment connect the quality level height of debugging next time, be easy to generate variety of issue, form potential safety hazard.
[summary of the invention]
The technical problems to be solved in the utility model provides that a kind of volume is little, cost is low, need not using the on-the-spot higher high voltage frequency converter of reliability that carries out secondary line and debugging, equipment.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is, a kind of high voltage frequency converter comprises cabinet and blower fan, and the cabinet that described cabinet is integrated comprises integrated base and integrated cabinet body; The dividing plate that the inside of described cabinet body is erect by plural piece is divided into air channel and a plurality of functional compartments, and described functional compartments comprises the transformer room that transformer is installed, the bypass switching chamber that the bypass switching device is installed, the power cell chamber of installation power unit and the control room that control device is installed.
Above-described high voltage frequency converter, described power cell chamber and control room are positioned at the front portion of cabinet body, and the rear portion that the chamber is positioned at the cabinet body is switched in transformer room and bypass; Described air channel is between power cell chamber and transformer room, and the rear that the chamber is positioned at the control room is switched in bypass.
Above-described high voltage frequency converter, described blower fan comprise transformer cooling fan and power cell cooling fan, and transformer cooling fan and power cell cooling fan are installed in respectively on the top board of cabinet body; The air inlet of transformer cooling fan is communicated with the top of transformer room, and the air inlet of power cell cooling fan communicates with the top in described air channel.
Above-described high voltage frequency converter, described cabinet body comprise transformer room's door and power cell chamber door, and described transformer room door comprises air inlet, and the air inlet of transformer room's door is positioned at the bottom of transformer room's door; The upper and lower of power cell chamber door all comprises air inlet.
Above-described high voltage frequency converter, the power cell of a plurality of A, B, C three-phase is installed in the power cell chamber, arrange 3 floor guide rail in the power cell chamber up and down, every layer of guide rail installed a phase power cell, each power cell comprises radiator, the radiator of power cell comprises air inlet and air outlet, being communicated with described air channel with air outlet of power cell radiator.
Above-described high voltage frequency converter, described air inlet is equipped with filter screen.
Above-described high voltage frequency converter, the bottom of transformer room communicates with the bottom of power cell chamber by being communicated with the air channel, and cooling blower is equipped with in the transformer bottom.
Above-described high voltage frequency converter, transformer is connected in aggregates with base with bolt.
Above-described high voltage frequency converter, the air outlet of blower fan is towards the rear of cabinet.
The utility model high voltage frequency converter adopts the cabinet of integral structure, compares with existing high voltage frequency converter cabinet body structure, has only a base and a cabinet body, and volume obviously reduces, and product cost also significantly reduces; Adopt between the functions of the equipments parts fixedly connected, the reliability height; During Product transport, the packaging material cost can reduce, and the logistics cost control effect in the transportation is more remarkable.The each several part of equipment is integrated, and can be directly finishes connection between each functional module at workshop, need not use on-the-spot secondary line.Both reduce the harm of the long high order harmonic component of bringing of cable and electromagnetic radiation, and also made the global reliability of equipment increase substantially.
[description of drawings]
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is the front view of prior art high voltage frequency converter.
Fig. 2 is the front view of the utility model embodiment high voltage frequency converter.
Fig. 3 is the rearview of the utility model embodiment high voltage frequency converter.
Fig. 4 is the vertical view of the utility model embodiment high voltage frequency converter.
Fig. 5 is that A among Fig. 2 is to cutaway view.
Fig. 6 is the left view of the utility model embodiment high voltage frequency converter.
Fig. 7 is that B among Fig. 2 is to cutaway view.
Fig. 8 is the utility model embodiment high voltage frequency converter
Fig. 9 is the stereogram of the utility model embodiment high voltage frequency converter.
Figure 10 is the stereogram at another visual angle of the utility model embodiment high voltage frequency converter.
[embodiment]
To the utility model embodiment 1 shown in Figure 10, high voltage frequency converter comprises cabinet and blower fan at Fig. 2.
The cabinet that the cabinet of high voltage frequency converter is integrated comprises integrated base 1 and integrated cabinet body 2; The inside of cabinet body 2 is divided into and air channel 3 and a plurality of functional compartments by the dividing plate of erectting 201.Functional compartments comprises the control room 7 that control device are installed in the power cell chamber 6 of the transformer room 4 that transformer is installed, the bypass switching chamber 5 that the bypass switching device is installed, installation power unit.
As shown in Figure 5, power cell chamber 6 and control room 7 are positioned at the front portion of cabinet body 2, and the rear portion that chamber 5 is positioned at cabinet body 2 is switched in transformer room 4 and bypass.Air channel 3 is between power cell chamber 6 and transformer room 4, and the rear that chamber 5 is positioned at control room 7 is switched in bypass.
Blower fan 8 comprises transformer cooling fan 801 and power cell cooling fan 802, and transformer cooling fan 801 and power cell cooling fan 802 are installed in respectively on the top board of cabinet body 2.The air inlet of transformer cooling fan 801 is communicated with the top of transformer room 4, and the air inlet of power cell cooling fan 802 communicates with the top in air channel 3.The air outlet of transformer cooling fan 801 and power cell cooling fan 802 is all towards the rear of cabinet.
Each functional compartments has independently, cabinet door outwardly.A plurality of air inlet 401a of transformer room's door 401 are positioned at the bottom of transformer room's door 401.There is air inlet 601a the upper and lower of power cell chamber door 601. Air inlet 401a and 601a are equipped with filter mesh layer.
Low pressure and low power unit 603 is installed in the power cell chamber 6, is divided into three groups from top to bottom, be respectively A phase, B phase and C mutually.The input of low pressure and low power unit 603 is connected to the corresponding winding output of phase shifting transformer by fuse.The left and right sides, 603 top, low pressure and low power unit copper bar terminal is single-phase output, every group unit is connected into a phase by copper bar, and with every first unit short circuit in mutually, form three-phase Y and connect, every last unit output in mutually is the three-phase output of high voltage frequency converter.
Arrange 3 floor guide rail 604 in the power cell chamber 6 up and down, every layer of guide rail 604 installed a plurality of power cells of a phase, and low pressure and low power unit 603 is installed on the guide rail 604, and be fixing by two screws and guide rail 604.
The radiator 603a of low pressure and low power unit 603 has air duct, cold air is by the filtration stratum reticulare ingoing power element cell 6 of cabinet door air inlet 601a, enter radiator 603a from the air inlet of air duct, the heat that produces in the power cell 603 is taken away, the air outlet of radiator 603a is communicated with air channel 3.Hot-air is discharged by the power cell cooling fan 802 on cabinet top.The filtration stratum reticulare of cabinet door air inlet 601a is used for stopping that dust enters inside, unit.Travel switch is equipped with in the inboard of cabinet door 601, is used for the interlock of cabinet door 601, can send alarm when cabinet door 601 is opened.
The phase shifting transformer 402 that three phase mains is provided for low pressure and low power unit 603 is equipped with in the inside of transformer room 4, and phase shifting transformer 402 adopts dry construction, and transformer cooling fan 801 is contained in the top of transformer room 4.Also be equiped with the dry-type transformer temperature controller on the cabinet door 401, for transformer 402 provides temperature warning and overtemperature protection.Survey in the cabinet door 401 travel switch 405 is housed, when the cabinet door is opened, report to the police.Transformer 402 and base 1 usefulness screw connect into an integral body, are convenient to transportation and installation.The bottom of transformer 401 is equipped with the cooling blower that carries in addition.
The effect that chamber 5 is switched in bypass is the two-way switching that realizes between high voltage frequency converter and the common frequency power network.Can improve reliability of system operation, satisfy the requirement in high reliability user (as the power plant), this class user's equipment or technology can be affected because of the fault of converter plant.
As shown in Figure 8, the arrow of dotted line is represented the trend of air-flow.In the integrated high-pressure converter plant, from the cold air that the air inlet 601a of cabinet door 601 enters, a part enters transformer room 4 by being communicated with air channel 606.From the air inlet 601a of transformer case door 601 enter into the indoor cold air in transformer room 4 and from power cell chamber 6 by the cold air that is communicated with air channel 606 and comes in merge in the transformer room in, by the blower fan 801 forced drafts cooling at top, transformer room.Such technical finesse, two place's air intakes cool off simultaneously, make cooling effect improve greatly.Power cell 603 in the power cell chamber 6 is close to the air channel dividing plate, by the air channel 3 that unit radiator 603a separately is connected to the back, is cooled off by blower fan 802 exhausting at 3 tops, air channel.Be the cooling of ventilating in parallel between the power cell 603, the inconsistent ill effect of power cell 603 temperature that can avoid the series ventilation cooling to bring.
The transformer that present embodiment adopts and power cell are cooled off by centrifugal blower forced ventilation cooling separately respectively, fully take into account the heating factor of assembly, appropriate design heat-dissipating space distance and air-cooled passage, its cooling capacity can guarantee that the integrated high-pressure converter plant is with the operation steady in a long-term of various loads under 0-40 ℃ of ambient temperature.
The above embodiment of the utility model has following beneficial effect:
One, compact conformation, floor space significantly reduces, and cost significantly reduces
Cabinet body structure is integrated, compares with existing high voltage frequency converter cabinet body structure, has only a base and a cabinet body, and volume obviously reduces, and product cost also significantly reduces; Fixedly connected between the functional part, the reliability height.Simultaneously the packaging material cost reduces during Product transport, and the logistics cost control effect in the transportation is more notable.
Two, equipment dependability is strengthened
Control section, power section, phase shift step-down part, bypass switching part, heat dissipation ventilation part five parts are integrated, can be directly finish connection between each functional module at workshop, on-the-spot secondary line need do not used, both reduce the harm of the long high order harmonic component of bringing of cable and electromagnetic radiation, and also made the global reliability of equipment increase substantially.
Claims (9)
1. a high voltage frequency converter comprises cabinet and blower fan, it is characterized in that the cabinet that described cabinet is integrated comprises integrated base and integrated cabinet body; The dividing plate that the inside of described cabinet body is erect by plural piece is divided into air channel and a plurality of functional compartments, and described functional compartments comprises the transformer room that transformer is installed, the bypass switching chamber that the bypass switching device is installed, the power cell chamber of installation power unit and the control room that control device is installed.
2. high voltage frequency converter according to claim 1 is characterized in that, described power cell chamber and control room are positioned at the front portion of cabinet body, and the rear portion that the chamber is positioned at the cabinet body is switched in transformer room and bypass; Described air channel is between power cell chamber and transformer room, and the rear that the chamber is positioned at the control room is switched in bypass.
3. high voltage frequency converter according to claim 2 is characterized in that, described blower fan comprises transformer cooling fan and power cell cooling fan, and transformer cooling fan and power cell cooling fan are installed in respectively on the top board of cabinet body; The air inlet of transformer cooling fan is communicated with the top of transformer room, and the air inlet of power cell cooling fan communicates with the top in described air channel.
4. high voltage frequency converter according to claim 3 is characterized in that, described cabinet body comprises transformer room's door and power cell chamber door, and described transformer room door comprises air inlet, and the air inlet of transformer room's door is positioned at the bottom of transformer room's door; The upper and lower of power cell chamber door all comprises air inlet.
5. high voltage frequency converter according to claim 4 is characterized in that, described air inlet is equipped with filter screen.
6. high voltage frequency converter according to claim 4, it is characterized in that, the power cell of a plurality of A, B, C three-phase is installed in the power cell chamber, arrange 3 floor guide rail in the power cell chamber up and down, every layer of guide rail installed a phase power cell, each power cell comprises radiator, and the radiator of power cell comprises air inlet and air outlet, being communicated with described air channel with air outlet of power cell radiator.
7. high voltage frequency converter according to claim 4 is characterized in that, the bottom of transformer room is communicated with the bottom of power cell chamber.
8. high voltage frequency converter according to claim 1 is characterized in that, it is in aggregates that transformer and base are connected with bolt, and cooling blower is equipped with in the transformer bottom.
9. high voltage frequency converter according to claim 1 is characterized in that, the air outlet of blower fan is towards the rear of cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320100419 CN203166742U (en) | 2013-03-06 | 2013-03-06 | High-voltage frequency conversion apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320100419 CN203166742U (en) | 2013-03-06 | 2013-03-06 | High-voltage frequency conversion apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203166742U true CN203166742U (en) | 2013-08-28 |
Family
ID=49027898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320100419 Expired - Lifetime CN203166742U (en) | 2013-03-06 | 2013-03-06 | High-voltage frequency conversion apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203166742U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490176A (en) * | 2016-01-15 | 2016-04-13 | 洛阳中重自动化工程有限责任公司 | Integrated high-voltage frequency converter cabinet |
| CN105490509A (en) * | 2016-01-15 | 2016-04-13 | 洛阳中重自动化工程有限责任公司 | Integrated high-voltage frequency converter |
| CN106900158A (en) * | 2015-11-06 | 2017-06-27 | 阿自倍尔株式会社 | Control device |
| CN110913661A (en) * | 2019-11-29 | 2020-03-24 | 青岛中加特电气股份有限公司 | Container formula frequency conversion sled |
| CN112367002A (en) * | 2020-12-03 | 2021-02-12 | 青岛中加特电气股份有限公司 | Power transformation frequency converter |
-
2013
- 2013-03-06 CN CN 201320100419 patent/CN203166742U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106900158A (en) * | 2015-11-06 | 2017-06-27 | 阿自倍尔株式会社 | Control device |
| CN106900158B (en) * | 2015-11-06 | 2019-09-13 | 阿自倍尔株式会社 | Control device |
| CN105490176A (en) * | 2016-01-15 | 2016-04-13 | 洛阳中重自动化工程有限责任公司 | Integrated high-voltage frequency converter cabinet |
| CN105490509A (en) * | 2016-01-15 | 2016-04-13 | 洛阳中重自动化工程有限责任公司 | Integrated high-voltage frequency converter |
| CN110913661A (en) * | 2019-11-29 | 2020-03-24 | 青岛中加特电气股份有限公司 | Container formula frequency conversion sled |
| WO2021104073A1 (en) * | 2019-11-29 | 2021-06-03 | 青岛中加特电气股份有限公司 | Container type frequency conversion pry |
| US12108579B2 (en) | 2019-11-29 | 2024-10-01 | Qingdao Ccs Electric Corporation | Container type frequency conversion pry |
| CN112367002A (en) * | 2020-12-03 | 2021-02-12 | 青岛中加特电气股份有限公司 | Power transformation frequency converter |
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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: 20130828 |