CN105071702A - Medium-voltage module type soft starter - Google Patents
Medium-voltage module type soft starter Download PDFInfo
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- CN105071702A CN105071702A CN201510531303.0A CN201510531303A CN105071702A CN 105071702 A CN105071702 A CN 105071702A CN 201510531303 A CN201510531303 A CN 201510531303A CN 105071702 A CN105071702 A CN 105071702A
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Abstract
The invention relates to a medium-voltage module type soft starter comprising a control unit, a heat radiator, a connector, a pedestal, medium-voltage thyristor soft starting modules, and an isolated power supply assembly. The control unit consists of a main control board, a display, and a connection cable; and the main control board and the display are connected by the connection cable. The pedestal is used as a support unit and includes a support seat and a panel; a mounting plate is arranged at the front side of the support seat; a cavity body with an open front side is arranged at the lower side of the support seat; and the panel covers the cavity body. One medium-voltage thyristor soft starting module is connected with one phase line. Each medium-voltage thyristor soft starting module includes a thyristor assembly and a vacuum switch assembly, wherein the assemblies are packaged into an insualting housing and are connected in parallel. The isolated power supply assembly is provided with a power cable and provides a closing power supply for the vacuum switch assembly. The connector uses one group of wiring terminals or a plug-socket type connector. The starter has advantages of complete soft starting function, compact structure, small size, good safety performance, and high convenience and practicability.
Description
Technical field
The invention belongs to flexible starter for electric motor field, relate to soft starter, die block formula soft starter particularly.
Background technology
Middle pressure thyristor soft-starter is well known in the art soft start device.Usually, the basic structure of middle pressure thyristor soft-starter comprises antiparallel thyristor assembly, switch element, control unit and cabinet.According to the knowledge of the applicant, the thyristor assembly that existing middle pressure thyristor soft-starter adopts is arranged on insulation board or insulator usually, and the insulation board or the insulator that are provided with thyristor assembly are arranged on cabinet body frame again; Switch element generally adopts vacuum circuit-breaker or contactor, is arranged on cabinet body frame, is connected in parallel with thyristor assembly copper busbar.Therefore existing middle pressure thyristor soft-starter is cabinet body structure, need configure dedicated cabinet, the thyristor assembly used and vacuum switch carry out electric insulation with alternate employing air or dividing plate over the ground, thus volume is large, miniaturization and modularization cannot be realized, also cannot be connected together with general assembling switch.
Chinese patent literature (application number: 201110143033.8) disclosed " draw-out type medium-voltage solid-state soft starter ", comprise a chassis vehicle assembly, also comprise mounting panel, (PCC) power and insulation protective hood, mounting panel is located on chassis vehicle assembly, (PCC) power hangs on a face of mounting panel by insulator, another face of mounting panel is also provided with display controller, and (PCC) power and insulator are all located in insulation protective hood, and insulation protective hood is removably fixed on mounting panel.Beneficial effect is: utilize insulation protective hood to realize the mutually insulated of three-phase inverse parallel (PCC) power, loads onto contact arm and achieves and extract out very easily and advance, compact conformation, convenient and practical.Applicant finds, there is many deficiencies in this draw-out type medium-voltage solid-state soft starter, as do not comprised switch element, need another configuration vacuum contactor or circuit breaker, its (PCC) power still adopts insulator to install on a mounting board, and thyristor adopts with crimping of radiator stacked mode of dividing into groups, and causes the height dimension of this draw-out type medium-voltage solid-state soft starter bigger than normal, floor type handcart can only be adopted or the cabinet of general switch cubicle is transformed, actual user demand could be met.Applicant thinks, the deficiency that this draw-out type medium-voltage solid-state soft starter exists makes it be difficult to miniaturization, generalization, thus limits its application.
Summary of the invention
The object of the invention is, propose a kind of middle die block formula soft starter newly, it can avoid above-mentioned defect.
The present invention is based on middle piezocrystal brake tube soft start module, have complete soft start function, energy implementation structure is compact, and size is little.
The present invention, as a kind of soft start device, both can be arranged in fixation type metal closed type switch cabinet, also can be arranged on (as KYN28A-12) in withdraw type metal enclosed switch cabinet after configuration chassis vehicle and contact arm.
Technical solution of the present invention is, adopt control unit, radiator, connector, control unit comprises master control borad, display, and connection cable, pass through connection cable, master control borad and both displays realize being connected, and it is characterized in that, adopt base, middle piezocrystal brake tube soft start module, insulating power supply assembly; Base is used for supporting, base comprises bearing, panel, bearing front is provided with mounting panel, and bearing bottom is provided with the cavity body to open front, and panel cover is before cavity body: piezocrystal brake tube soft start module include be encapsulated in insulation shell, the thyristor assembly that is connected in parallel and vacuum switch assembly; Insulating power supply assembly is furnished with feed cable, and insulating power supply assembly provides power switch for vacuum switch assembly.
It is characterized in that, connector adopts one group of binding post or adopts pin-and-socket type connector.
It is characterized in that, connector adopts one group of binding post, middle piezocrystal brake tube soft start module has three, side by side above erection support, insulating power supply assembly is arranged in the casing of bearing bottom, on the middle part that the master control borad of control unit and display are arranged on bearing front mounting panel respectively and panel, one group of binding post is arranged on the top of the mounting panel in the bearing front of base; The feed cable of insulating power supply assembly is connected with the master control borad of middle piezocrystal brake tube soft start module and control unit respectively, and the master control borad of control unit is provided with multiple port.
It is characterized in that, connector adopts pin-and-socket type connector, middle piezocrystal brake tube soft start module has three, three merely hit piezocrystal brake tube soft start module side by side above erection support, insulating power supply assembly is arranged in the casing of bearing bottom, on the middle part that the master control borad of control unit and display are arranged on bearing front mounting panel respectively and panel, pin-and-socket type connector is arranged on the top of the mounting panel in the bearing front of base; The feed cable of insulating power supply assembly is connected with the master control borad of middle piezocrystal brake tube soft start module and control unit respectively, and the master control borad of control unit is provided with multiple port.
It is characterized in that, multiple ports that master control borad is arranged are connected respectively to middle piezocrystal brake tube soft start module, display and one group of binding post by connection cable.
It is characterized in that, multiple ports that master control borad is arranged are connected respectively to middle piezocrystal brake tube soft start module, display and pin-and-socket type connector by connection cable.
It is characterized in that, master control borad have employed detection, controls and store electrons components and parts.
Detect, to control and store electrons components and parts can allow to carry out several functions, the control of such as closing coil, to detect with the alarm failure of Local or Remote and on off control, the pulse-triggered of thyristor, the relevant startup optimization protection of the monitoring of electric current and voltage and motor, information storage failure record.
It is characterized in that, radiator is encapsulated in insulation shell, and thyristor assembly connects with radiator, radiator is provided with wire outlet seat or moving contact component, and wire outlet seat or moving contact component are used for connection bus.
It is characterized in that, base is equipped with chassis vehicle assembly and valve actuator, and described chassis vehicle assembly is arranged on below described base, and valve actuator is arranged on base both sides.
The present invention can overcome some defects and the shortcoming of existing middle die block formula soft starter.Innovative point of the present invention is:
1, the present invention is integrated with thyristor assembly, vacuum switch assembly, and the dispersion avoiding thyristor assembly and vacuum switch is installed, and greatly reduces insulation distance, thus the overall dimension reduced.
2, all component of the present invention can Integration Assembly And Checkout in advance separatedly, is then fixed to the base be made up of single parts in a single step.
3, the present invention configures wire outlet seat, can form a fixed soft start device, and it can be arranged in various special cabinet; Configuration moving contact component and valve actuator, install on a chassis, can form a portable soft start device, directly puts in general KYN28A-12 metal closed switch cabinet.
Advantage of the present invention is, novel in design, rational in infrastructure, has complete soft start function, its compact conformation, and size is little, and security performance is good, both convenient and practical, is convenient to again the production of scale.
Accompanying drawing explanation
Fig. 1, basic structure block diagram of the present invention.
The structural representation of Fig. 2, the first embodiment of the present invention.
The end view of the structural representation of Fig. 3, the first embodiment of the present invention.
The rearview of the structural representation of Fig. 4, the first embodiment of the present invention.
The structural representation of Fig. 5, the second embodiment of the present invention.
The end view of the structural representation of Fig. 6, the second embodiment of the present invention.
In figure, 1, base; 101, bearing; 102, panel; 2, middle piezocrystal brake tube soft start module; Piezocrystal brake tube soft start module in 2a, first; Piezocrystal brake tube soft start module in 2b, second; Piezocrystal brake tube soft start module in 2c, the 3rd; 201, thyristor assembly; 202, vacuum switch assembly; 203, insulation shell; 3, control unit; 301, master control borad; 302, display; 303, connection cable; 4, insulating power supply assembly; 5, connector; 6, wire outlet seat; 7, pin-and-socket type connector; 8, moving contact component; 9, chassis vehicle assembly; 10, valve actuator.
Embodiment
Below, with reference to the accompanying drawings, specific embodiments of the invention are described in detail.
As shown in Figure 1, invention adopts base 1, middle piezocrystal brake tube soft start module 2, control unit 3, insulating power supply assembly 4, connector 5 and radiator.Base 1 is for supporting.Radiator is the part of thyristor assembly 201.Radiator comprises inlet wire radiator, outlet radiator.Inlet wire radiator, outlet radiator are for connecting major loop.Connector 5 is only for connecting master control borad 301 and external power source and control loop.Control unit 3 comprises master control borad 301, display 302 and connection cable 303, and by connection cable 303, master control borad 301 and both displays 302 realize being connected.The thyristor assembly 201 of piezocrystal brake tube soft start module 2 and auxiliary contact, insulating power supply assembly 4, display 302 and connector during master control borad 301 connects.In use, middle piezocrystal brake tube soft start module 2 connects with phase line in the present invention.One piezocrystal brake tube soft start module 2 of merely hitting only connects a phase phase line.Middle piezocrystal brake tube soft start module 2 include be encapsulated in insulation shell 203, the thyristor assembly 201 that is connected in parallel and vacuum switch assembly 202.Radiator is encapsulated in insulation shell 203 together with vacuum switch assembly 202 with thyristor assembly 201.Inlet wire radiator is positioned at the side, upper end of thyristor assembly 4, and outlet radiator is positioned at the side, lower end of thyristor assembly 4.The line of the major loop during inlet wire radiator, outlet radiator connect respectively in piezocrystal brake tube soft start module 2.Control unit 3 is connected by connector 5 and external power source, insulating power supply assembly 4 is furnished with feed cable, the feed cable of insulating power supply assembly 4 connects with the master control borad 301 of middle piezocrystal brake tube soft start module 2 and control unit 3 respectively, and insulating power supply assembly 4 provides power switch for vacuum switch assembly 202; , insulating power supply assembly 4 is controlled by control unit 3.
Connector 5 of the present invention adopts one group of binding post or adopts pin-and-socket type connector.The present invention by connector 5 and external power source join by, the feed cable of insulating power supply assembly 4 is connected with the master control borad 301 of middle piezocrystal brake tube soft start module 2 and control unit 3 respectively.
From basic structure of the present invention, applicant provides the first embodiment:
As shown in Figure 1, Figure 2, Figure 3, Figure 4, the present invention includes base 1, middle piezocrystal brake tube soft start module 2, control unit 3, insulating power supply assembly 4, connector 5 and wire outlet seat 6.Base 1 comprises bearing 101, panel 102, and they are connected by screw fixing; Middle piezocrystal brake tube soft start module 2 comprises thyristor assembly 201, vacuum switch assembly 202, and by insulation shell 203 that thyristor assembly 201 and vacuum switch assembly 202 are closed; Control unit 3 comprises master control borad 301 and display 302.Middle piezocrystal brake tube soft start module 2 accessory wire outlet seat 6, wire outlet seat 6 is for connection bus.
Bearing 101 front is provided with mounting panel, and bearing 101 bottom is provided with the cavity body to open front, and panel 102 covers before cavity body: radiator comprises inlet wire radiator, outlet radiator.
In installing in three-phase, piezocrystal brake tube soft start module 2 has three, often installs one mutually, for convenience of description, to be called in first piezocrystal brake tube soft start module 2c in piezocrystal brake tube soft start module 2a, the second thyristor soft start module 2b and the 3rd.Piezocrystal brake tube soft start module 2c in piezocrystal brake tube soft start module 2a, the second thyristor soft start module 2b and the 3rd in first.Structure identical.In first, in piezocrystal brake tube soft start module 2a, the second thyristor soft start module 2b and the 3rd, piezocrystal brake tube soft start module 2c is arranged on bearing 101 side by side, is connected and fixed with screw; Insulating power supply assembly 4 is arranged in the cavity of bearing 101 bottom; The front of bearing 101 is provided with mounting panel, and master control borad 301 is arranged on the middle part of the mounting panel in bearing 101 front, and tegmentum is inside panel 102.Display 302 is installed on face 102; Connector 5 is arranged on the mounting panel top in bearing 101 front by screw; Two wire outlet seats be provided separately 6 are connected respectively by the inlet wire radiator at hexagon socket cap head screw and the two ends up and down of piezocrystal brake tube soft start module 2c inside in piezocrystal brake tube soft start module 2b, the 3rd in piezocrystal brake tube soft start module 2a, second in first and outlet radiator.
Insulating power supply assembly 4 is furnished with feed cable and comprises out-put supply cable and input power cable.The out-put supply cable of insulating power supply assembly 4 is connected with piezocrystal brake tube soft start module 2c in piezocrystal brake tube soft start module 2a, the second thyristor soft start module 2b and the 3rd in first and master control borad 301 respectively with input power cable, master control borad 301 has multiple port, and external cabling accesses master control borad 301 by connector 5.Multiple output ports on master control borad 301 to be connected respectively in piezocrystal brake tube soft start module 2a in first, the second thyristor soft start module 2b, the 3rd on piezocrystal brake tube soft start module 2c, display 302 and connector 5 by controlling cable; External power source, peripheral components and external control signal are connected to wire outlet seat 6 by cable access connector 5, bus.
Connector 5 adopts one group of binding post.
Master control borad 301 comprises detection, controls and store electrons components and parts; detect, to control and store electrons components and parts can allow to carry out several functions, the control of such as closing coil, to detect with the alarm failure of Local or Remote and on off control, the pulse-triggered of thyristor, the monitoring of electric current and voltage and motor relevant startup optimization protection, information storage failure record etc.
Second embodiment:
As shown in Fig. 1, Fig. 5, Fig. 6, the present invention includes base 1, middle piezocrystal brake tube soft start module 2, control unit 3, insulating power supply assembly 4, connector 5, moving contact component 8, chassis vehicle assembly 9 and valve actuator 10.Wherein, base 1 comprises bearing 101, panel 102, and they are connected by screw fixing; Middle piezocrystal brake tube soft start module 2 comprises thyristor assembly 201, vacuum switch assembly 202, and by insulation shell 203 that thyristor assembly 201 and vacuum switch assembly 202 are closed; Control unit 3 comprises master control borad 301 and display 302.Bearing 101 front is provided with dividing plate and mounting panel.
Connector 5 adopts pin-and-socket type connector 7, one group of binding post that the connector 5 that pin-and-socket type connector 7 substitutes the first embodiment adopts.Pin-and-socket type connector 7 is arranged on the mounting panel top in bearing 101 front; Contact assembly 8 substitutes the wire outlet seat 6 of the first embodiment, pin-and-socket type connector 7 uses three by hexagon socket cap head screw and middle piezocrystal brake tube soft start module 2(in three-phase, is called piezocrystal brake tube soft start module 2a in first, the second thyristor soft start module 2b and piezocrystal brake tube soft start module 2c in the 3rd) the inlet wire radiator outlet radiator at inner two ends is up and down connected; Chassis vehicle assembly 9 is arranged on the bottom surface of base 1; Valve actuator 10 is installed in described bearing 101 liang of side lower parts, and remainder is identical with the first embodiment.
Pin-and-socket type connector 7, moving contact component 8, chassis vehicle assembly 9 and valve actuator 10 are all the accessories of pressing vacuum circuit-breaker in common handcart-type.Form piezocrystal brake tube soft start mould device in a kind of handcart-type in the above described manner, for KYN28A-12 middle metal closed switch cabinet.
The above is specific embodiment of the invention scheme and know-why, and other design of any equivalence therewith, all in scope.
Claims (9)
1. die block formula soft starter in, adopt control unit (3), radiator, connector (5), control unit (3) comprises master control borad (301), display (302) and connection cable (303), realize being connected by connection cable (303) master control borad (301) and display (302), it is characterized in that, adopt base (1), middle piezocrystal brake tube soft start module (2), insulating power supply assembly (4); Base (1) is for supporting, and base (1) comprises bearing (101), panel (102), and bearing (101) front is provided with mounting panel, and bearing (101) bottom is provided with the cavity body to open front, and panel (102) covers before cavity body; Middle piezocrystal brake tube soft start module (2) include be encapsulated in insulation shell (203), the thyristor assembly (201) that is connected in parallel and vacuum switch assembly (202); Insulating power supply assembly (4) is furnished with feed cable, and insulating power supply assembly (4) provides power switch for vacuum switch assembly (202).
2. middle die block formula soft starter according to claim 1, is characterized in that, connector (5) adopts one group of binding post or adopts pin-and-socket type connector (7).
3. middle die block formula soft starter according to claim 1, it is characterized in that, connector (5) adopts one group of binding post, middle piezocrystal brake tube soft start module (2) has three, side by side above erection support (101), insulating power supply assembly (4) is arranged on bearing (101) bottom, on the middle part that the master control borad (301) of control unit (3) and display (302) are arranged on the mounting panel in bearing (101) front respectively and panel (102), one group of binding post is arranged on the top of the mounting panel in the front of the bearing (101) of base (1); The feed cable of insulating power supply assembly (4) is connected with the master control borad (301) of middle piezocrystal brake tube soft start module (2) and control unit (3) respectively, and the master control borad (301) of control unit (3) is provided with multiple port.
4. middle die block formula soft starter according to claim 1, it is characterized in that, connector (5) adopts pin-and-socket type connector (7), middle piezocrystal brake tube soft start module (2) has three, three merely hit piezocrystal brake tube soft start module (2) side by side above erection support (101), insulating power supply assembly (4) is arranged on bearing (101) bottom, on the middle part that the master control borad (301) of control unit (3) and display (302) are arranged on the mounting panel in the front of bearing (101) respectively and panel (102), pin-and-socket type connector (7) is arranged on the top of the mounting panel in the front of the bearing (101) of base (1), the feed cable of insulating power supply assembly (4) is connected with the master control borad (301) of middle piezocrystal brake tube soft start module (2) and control unit (3) respectively, and the master control borad (301) of control unit (3) is provided with multiple port.
5. middle die block formula soft starter according to claim 3, it is characterized in that, the upper multiple ports arranged of master control borad (301) are connected respectively to middle piezocrystal brake tube soft start module (2), display (302) and one group of binding post by connection cable (303).
6. middle die block formula soft starter according to claim 4, it is characterized in that, the upper multiple ports arranged of master control borad (301) are connected respectively to middle piezocrystal brake tube soft start module (2), display (302) and pin-and-socket type connector (7) by connection cable (303).
7. according to claim 5 or 6, die block formula soft starter, is characterized in that, master control borad (301) have employed detection, controls and store electrons components and parts.
8. middle die block formula soft starter according to claim 2, it is characterized in that, radiator is encapsulated in insulation shell (203), thyristor assembly (201) connects with radiator, radiator is provided with wire outlet seat (6) or moving contact component (8), wire outlet seat (6) or moving contact component (8) are for connection bus.
9. middle die block formula soft starter according to claim 4, it is characterized in that, base (1) is equipped with chassis vehicle assembly (9) and valve actuator (10), and chassis vehicle assembly (9) is arranged on below base (1), and valve actuator (10) is arranged on base (1) both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510531303.0A CN105071702B (en) | 2015-08-26 | 2015-08-26 | Middle die block formula soft starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510531303.0A CN105071702B (en) | 2015-08-26 | 2015-08-26 | Middle die block formula soft starter |
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| Publication Number | Publication Date |
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| CN105071702A true CN105071702A (en) | 2015-11-18 |
| CN105071702B CN105071702B (en) | 2018-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510531303.0A Active CN105071702B (en) | 2015-08-26 | 2015-08-26 | Middle die block formula soft starter |
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| CN (1) | CN105071702B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105827157A (en) * | 2016-05-25 | 2016-08-03 | 东屋电气（天津）有限公司 | Dedicated thyristor module for soft starters |
| CN109286341A (en) * | 2018-12-07 | 2019-01-29 | 大力电工襄阳股份有限公司 | Synchronous High voltage variable frequency soft start device |
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| CN101304226A (en) * | 2008-03-24 | 2008-11-12 | 苏绵朋 | Armoured flame-proof type flexible starting equipment |
| DE102011001731A1 (en) * | 2011-04-01 | 2012-10-04 | Igel Elektronik Gmbh | Device for soft start |
| CN102811005A (en) * | 2011-05-30 | 2012-12-05 | 上海雷诺尔科技股份有限公司 | Draw-out type medium-voltage solid-state soft starter |
| US20130300338A1 (en) * | 2011-03-07 | 2013-11-14 | Protective Energy Economizer Technology | Single phase motor energy economizer for regulating the use of electricity |
| CN203352503U (en) * | 2013-07-24 | 2013-12-18 | 温州奥大电气有限公司 | Soft starter |
| CN203399019U (en) * | 2013-07-19 | 2014-01-15 | 浙江正泰电器股份有限公司 | Soft starter of built-in bypass contactor type |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101304226A (en) * | 2008-03-24 | 2008-11-12 | 苏绵朋 | Armoured flame-proof type flexible starting equipment |
| US20130300338A1 (en) * | 2011-03-07 | 2013-11-14 | Protective Energy Economizer Technology | Single phase motor energy economizer for regulating the use of electricity |
| DE102011001731A1 (en) * | 2011-04-01 | 2012-10-04 | Igel Elektronik Gmbh | Device for soft start |
| CN102811005A (en) * | 2011-05-30 | 2012-12-05 | 上海雷诺尔科技股份有限公司 | Draw-out type medium-voltage solid-state soft starter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105827157A (en) * | 2016-05-25 | 2016-08-03 | 东屋电气（天津）有限公司 | Dedicated thyristor module for soft starters |
| CN109286341A (en) * | 2018-12-07 | 2019-01-29 | 大力电工襄阳股份有限公司 | Synchronous High voltage variable frequency soft start device |
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|---|---|
| CN105071702B (en) | 2018-08-17 |
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