CN203445771U - Mining flame-proof and intrinsically safe frequency conversion speed adjusting device - Google Patents
Mining flame-proof and intrinsically safe frequency conversion speed adjusting device Download PDFInfo
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- CN203445771U CN203445771U CN201320535367.4U CN201320535367U CN203445771U CN 203445771 U CN203445771 U CN 203445771U CN 201320535367 U CN201320535367 U CN 201320535367U CN 203445771 U CN203445771 U CN 203445771U
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Abstract
The utility model relates to a mining flame-proof and intrinsically safe frequency conversion speed adjusting device. The frequency conversion speed adjusting device comprises a main cavity (1) and a wiring cavity (2) disposed above the main cavity (1). The main cavity (1) and the wiring cavity (2) are both electrical flame-proof cavities; the main cavity (1) is internally provided with an EMC filtering part, a harmonic wave inhibition part, a rectification part, an inversion part and a cooling part; the front end surface of the main cavity (1) is provided with a fast door opening mechanism; the rear end of the main cavity (1) is provided with a heat dissipation part; the side surface of the wiring cavity (2) is provided with a pressure plate type cable introducing device (3); the wiring cavity (2) is connected with a main circuit and a control circuit through the pressure plate type cable introducing device (3); the top end of the wiring cavity (2) is provided with a wire inlet cavity and a wire outlet cavity; and the wire inlet cavity and the wire outlet cavity are respectively provided with a wire inlet cavity cover (4) and a wire outlet cavity cover (5). Compared to the prior art, the mining flame-proof and intrinsically safe frequency conversion speed adjusting device has the following advantages: the stability and energy conservation efficiency of an AC frequency converter in environments such as under a coal mine well and the like can be improved, furthermore, the structure is simple, the installation is convenient, the operation and arrangement are easy, and the safety and reliability are quite high.
Description
[technical field]
The utility model relates to RHVC technical field, specifically a kind of mine flameproof and intrinsic safety type variable frequency speed control device.
[background technology]
In recent years, along with the development of colliery cause, modern mine construction has become the inexorable trend of following construction of coal mine.In order further to accelerate the paces, the particularly advance of main equipment drive technology, reliability of mine automation, mechanization, digitlization, informationization and energy-saving development, traditional RHVC cannot meet the specific (special) requirements of above-mentioned environment for use.Therefore,, if the mine flameproof and intrinsic safety type variable frequency speed control device that a kind of safety and reliability is higher can be provided, to adapt to above-mentioned particular surroundings, will have very important significance.
[utility model content]
The purpose of this utility model is exactly will solve above-mentioned deficiency and a kind of be suitable for the improving stability of frequency converter under coal mine and the mine flameproof and intrinsic safety type variable frequency speed control device of energy-saving efficiency are provided, not only simple in structure, easy for installation, and easy operating and setting, safety and reliability is higher.
Design for achieving the above object a kind of mine flameproof and intrinsic safety type variable frequency speed control device, comprise main chamber 1 and the wire connection cavity 2 that is positioned at 1 top, main chamber, described main chamber 1, wire connection cavity 2 is electric flame proof cavity, 1 inside, described main chamber is provided with EMC filtering part, harmonic wave suppresses part, rectifying part, Converting Unit and cooling segment, described main chamber 1 front end face is provided with quick opening mechanism, 1 rear end, described main chamber is provided with thermal component, described wire connection cavity 2 sides are provided with press disc type cable entry 3, described wire connection cavity 2 is by press disc type cable entry 3 connection main circuit and control circuits, described wire connection cavity 2 tops are provided with wire-incoming chamber and wire cavity, described wire-incoming chamber, on wire cavity, be respectively equipped with wire-incoming chamber lid 4 and wire cavity lid 5.
Described quick opening mechanism comprises left-hand door 6, right door 7, L.H.flapped door mechanism 8 and R.H.flapped door mechanism 9, described left-hand door 6, right door 7 are connected with main chamber 1 by L.H.flapped door mechanism 8, R.H.flapped door mechanism 9 respectively, between described left-hand door 6 upper and lower ends and main chamber 1, be respectively equipped with on left-hand door fixture block 11 under card article 10 and left-hand door, between described right door 7 upper and lower ends and main chamber 1, be respectively equipped with fixture block 13 under the upper card article 12 of right door and right door.
Described thermal component comprises explosion-proof fan 14 and heat-pipe radiator 15, described heat-pipe radiator 15 is arranged on 1 rear end, main chamber by fin mounting flange, the rear end of described heat-pipe radiator 15 is connected with explosion-proof fan 14, the outer guard shield 16 that is arranged with of described explosion-proof fan 14.
Described left-hand door 6, right door 7 front end faces are provided with man machine operation interface, and described main circuit, control circuit connect the button controlled area on man machine operation interface by PLC respectively.
Described left-hand door 6 front end faces are provided with start button 19 and stop button 20, and described right door 7 front end faces are provided with setting parameter button 17 and scram button 21.
Described right door 7 front end faces are provided with observation window 18.
Described main chamber 1 and wire connection cavity 2 all adopt steel plate to make, and described main chamber 1 is bolt fastening structure.
Compared with the existing technology, tool has the following advantages the utility model:
(1) adopting 32-bit microprocessor is control core, friendly man-machine user interface, easy operating and setting;
(2) core power element is imported with original packaging, stable and reliable for performance, quality is superior;
(3) adopt international advanced semiconductor full-shield isolation technology;
(4) unique power component fault self-diagnosis function, can identify each power component;
(5) there is independently bypass and bypass protector;
(6) meet the radiator structure design of on-the-spot feature, guaranteed output element long-term stable operation;
(7) the RS485 port of standard, directly construction system, carries out remote information exchange and control.
[accompanying drawing explanation]
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the vertical view of Fig. 1;
Fig. 4 be in Fig. 1 A to partial structurtes schematic diagram;
In figure: 1, main chamber 2, wire connection cavity 3, press disc type cable entry 4, wire-incoming chamber lid 5, wire cavity lid 6, left-hand door 7, right door 8, L.H.flapped door mechanism 9, R.H.flapped door mechanism 10, on left-hand door, card article 11, under left-hand door, fixture block 12, the upper card article 13 of right door, the lower fixture block 14 of right door, explosion-proof fan 15, heat-pipe radiator 16, guard shield 17, setting parameter button 18, observation window 19, start button 20, stop button 21, scram button 22, isolation body assembly 23, barrier assembly 24, lower body assembly 25, reactor 26, industrial computer 27, go-cart body 28, clasp nail 29, go-cart fixed block 30, movement 31, grounding assembly 32, waterproof sponge 33, locking device 34, splash guard 35, V shape binding post 36, connecting terminal block 37, cable lead-through 38, screw binding post 39, nine core binding posts.
[embodiment]
Below in conjunction with accompanying drawing, the utility model is done to following further illustrating:
As shown in drawings, the utility model comprises: main chamber 1 and the wire connection cavity 2 that is positioned at 1 top, main chamber, main chamber 1, wire connection cavity 2 is electric flame proof cavity, 1 inside, main chamber is provided with EMC filtering part, harmonic wave suppresses part, rectifying part, Converting Unit and cooling segment, main chamber 1 front end face is provided with quick opening mechanism, 1 rear end, main chamber is provided with thermal component, wire connection cavity 2 sides are provided with press disc type cable entry 3, wire connection cavity 2 is by press disc type cable entry 3 connection main circuit and control circuits, wire connection cavity 2 tops are provided with wire-incoming chamber and wire cavity, wire-incoming chamber, on wire cavity, be respectively equipped with wire-incoming chamber lid 4 and wire cavity lid 5, quick opening mechanism comprises left-hand door 6, right door 7, L.H.flapped door mechanism 8 and R.H.flapped door mechanism 9, left-hand door 6, right door 7 are connected with main chamber 1 by L.H.flapped door mechanism 8, R.H.flapped door mechanism 9 respectively, between left-hand door 6 upper and lower ends and main chamber 1, be respectively equipped with on left-hand door fixture block 11 under card article 10 and left-hand door, between right door 7 upper and lower ends and main chamber 1, be respectively equipped with fixture block 13 under the upper card article 12 of right door and right door, thermal component comprises explosion-proof fan 14 and heat-pipe radiator 15, and heat-pipe radiator 15 is arranged on 1 rear end, main chamber by fin mounting flange, and the rear end of heat-pipe radiator 15 is connected with explosion-proof fan 14, the outer guard shield 16 that is arranged with of explosion-proof fan 14.
In the utility model, left-hand door 6, right door 7 front end faces are provided with man machine operation interface, and main circuit, control circuit connect the button controlled area on man machine operation interface by PLC respectively; Left-hand door 6 front end faces are provided with start button 19 and stop button 20, and right door 7 front end faces are provided with setting parameter button 17 and scram button 21; Right door 7 front end faces are provided with observation window 18; Main chamber 1 and wire connection cavity 2 all adopt steel plate to make, and main chamber 1 is bolt fastening structure.
One, peripheral interface characteristic of the present utility model is:
(1) programmable digital input: 6 tunnel inputs, wherein high-speed pulse input (HDI1) can be done in 1 tunnel, and I/O can expand 4 tunnel inputs;
(2) programmable analog amount input: AI1:0～10V input, AI2:0～10V or 0～20mA input, expansion card can be expanded 2 tunnel inputs (AI3:-10V～10V input, AI4:0～10V or 0～20mA input);
(3) open circuit collector electrode able to programme output: the 2 tunnels outputs of complete machine standard configuration, wherein 1 tunnel is open collector output or exports at a high speed optionally, expansion card can be expanded also 2 tunnels outputs (it is identical with complete machine standard configuration two-way circuit form);
(4) relay output: 2 tunnel outputs, expansion card can be expanded 1 tunnel output.
Two, technical performance characteristic of the present utility model is:
(1) control mode: without PG vector control, have PG vector control, V/F to control;
(2) overload capacity: 150% rated current 60s; 180% rated current 10s;
(3) starting torque: without PG vector control: 0.5Hz/150%, have PG vector control: 0Hz/180%;
(4) speed ratio: without PG vector control: 1:100, have PG vector control: 1:1000;
(5) velocity control accuracy: without PG vector control: ± 0.5% maximum speed, has PG vector control: ± 0.1% maximum speed;
(6) carrier frequency: 1.0K～4.0KHz; Can automatically adjust according to temperature and load characteristic.
Three, functional characteristic of the present utility model is:
(1) frequency setting mode: numeral setting, analog quantity setting, pulse frequency setting, serial communication setting, multistage speed and simple and easy PLC setting, PID setting etc.Can realize the combination of setting and the switching of setting passage;
(2) function is controlled in torque: multiple torque settings mode can be provided;
(3) pid control function;
(4) simple and easy PLC multistage speed control function processed: 16 sections of speed control systems;
(5) wobble frequency is controlled function;
(6) fixed length, time control function;
(7) instantaneous power-off stopping function not;
(8) rotating speed is followed the trail of restart function: realize to the motor in rotation without impacting smooth starting;
(9) QUICK/JOG function: the multifunctional fast key that user freely defines;
(10) automatic voltage is adjusted function: when grid voltage change, can automatically keep output voltage constant;
(11) provide nearly 29 kinds of failure protection functions: the defencive functions such as overcurrent, overvoltage, under-voltage, excess temperature, phase shortage, overload.
Four, about the connection of main circuit of the present utility model and control circuit:
(1) connection of main circuit: during the connection of main circuit power side, between three-phase alternating-current supply and power input terminal (R, S, T), need access to be applicable to the feeding switch of RHVC power, capacity is elected as between 1.5～2 times of RHVC rated current;
(2) connection of control circuit: need to use shielded multiconductor cable or twisted pair line connection control terminal, while using shielded type cable, (by one end of RHVC) should be connected to the earth terminal of RHVC, during wiring, control cables should (comprise power line away from main circuit and forceful electric power circuit, motor lines, relay, contactor line etc.) more than 20cm, avoid parallel cabling, suggestion adopts vertical wirings, to prevent that external disturbance from causing RHVC misoperation.
Five, about the operation of man-machine interface in the utility model:
(1) door closure of main chamber front end face is provided with start button, stop button, and 1 selector switch, 1 rotary switch, also has 6 HMI action buttons etc., and wherein two is multifunctional button, can carry out different orders under different situations;
(2) start button: when equipment is when controlling on the spot, during converter parameter " 0102=01 ", this button is startup system action command button;
(3) stop button: when equipment is when controlling on the spot, during converter parameter " 0102=01 ", this button is halt system action command button;
(4) selector switch: when equipment is when controlling on the spot, during converter parameter " 0102=01 ", selecting frequency converter is forward or reversion operational mode;
(5) potentiometer: during converter parameter " 0100=01 ", rotate this knob and can add and subtract frequency converter running frequency set point.
Friendly man-machine interface, can adjust to frequency converter movement parameter by display screen from outer button, in real time display device operational factor, animation and malfunction.Work animation can be write according to field condition and loadtype, give user the most intuitively, the most detailed supervision animation and demonstration.Various control type also can realize a key by this interface to be switched.
Design feature of the present utility model is: profile is square shell, is mainly divided into electric flame proof cavity and radiator portion, and it forms and mainly comprises that EMC filtering part, harmonic wave suppress part, rectifying part, Converting Unit and cooling segment.In electric flame proof cavity, adopt the heat radiation of fan forced circulation, being connected rear portion with electric flame proof cavity has external cooling sheet devices, and disposes flame-proof type blower fan and carry out air blast cooling heat radiation.Positive upper right is explosion insulation connecting line cavity, for connecting main circuit and control circuit.
Key technology of the present utility model is low-voltage vacuum electromagnetic starter, digital microcomputer speed adjusting technique, and international advanced semiconductor full-shield isolation technology.This product design size can be 1940*1097*1177, and structural shape is bolt fastening structure, and press disc type cable entry is indirectly to introduce, and observation window can be provided with two, is all set to square.
The utility model is not subject to the restriction of above-mentioned execution mode; other any do not deviate from change, the modification done under Spirit Essence of the present utility model and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection range of the present utility model.
Claims (7)
1. a mine flameproof and intrinsic safety type variable frequency speed control device, it is characterized in that: the wire connection cavity (2) that comprises main chamber (1) and be positioned at top, main chamber (1), described main chamber (1), wire connection cavity (2) is electric flame proof cavity, inside, described main chamber (1) is provided with EMC filtering part, harmonic wave suppresses part, rectifying part, Converting Unit and cooling segment, described main chamber (1) front end face is provided with quick opening mechanism, rear end, described main chamber (1) is provided with thermal component, described wire connection cavity (2) side is provided with press disc type cable entry (3), described wire connection cavity (2) is by press disc type cable entry (3) connection main circuit and control circuit, described wire connection cavity (2) top is provided with wire-incoming chamber and wire cavity, described wire-incoming chamber, on wire cavity, be respectively equipped with wire-incoming chamber lid (4) and wire cavity lid (5).
2. mine flameproof and intrinsic safety type variable frequency speed control device as claimed in claim 1, it is characterized in that: described quick opening mechanism comprises left-hand door (6), right door (7), L.H.flapped door mechanism (8) and R.H.flapped door mechanism (9), described left-hand door (6), right door (7) is respectively by L.H.flapped door mechanism (8), R.H.flapped door mechanism (9) is connected with main chamber (1), on described left-hand door (6), between Yu Zhu chamber, lower end (1), be respectively equipped with fixture block (11) under card article on left-hand door (10) and left-hand door, on described right door (7), between Yu Zhu chamber, lower end (1), be respectively equipped with the lower fixture block (13) of the upper card article (12) of right door and right door.
3. mine flameproof and intrinsic safety type variable frequency speed control device as claimed in claim 1 or 2, it is characterized in that: described thermal component comprises explosion-proof fan (14) and heat-pipe radiator (15), described heat-pipe radiator (15) is arranged on rear end, main chamber (1) by fin mounting flange, the rear end of described heat-pipe radiator (15) is connected with explosion-proof fan (14), the outer guard shield (16) that is arranged with of described explosion-proof fan (14).
4. mine flameproof and intrinsic safety type variable frequency speed control device as claimed in claim 3, it is characterized in that: described left-hand door (6), right door (7) front end face are provided with man machine operation interface, and described main circuit, control circuit connect the button controlled area on man machine operation interface by PLC respectively.
5. mine flameproof and intrinsic safety type variable frequency speed control device as claimed in claim 4, it is characterized in that: described left-hand door (6) front end face is provided with start button (19) and stop button (20), described right door (7) front end face is provided with setting parameter button (17) and scram button (21).
6. mine flameproof and intrinsic safety type variable frequency speed control device as claimed in claim 5, is characterized in that: described right door (7) front end face is provided with observation window (18).
7. mine flameproof and intrinsic safety type variable frequency speed control device as claimed in claim 6, is characterized in that: described main chamber (1) and wire connection cavity (2) all adopt steel plate to make, and described main chamber (1) is bolt fastening structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320535367.4U CN203445771U (en) | 2013-08-30 | 2013-08-30 | Mining flame-proof and intrinsically safe frequency conversion speed adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320535367.4U CN203445771U (en) | 2013-08-30 | 2013-08-30 | Mining flame-proof and intrinsically safe frequency conversion speed adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203445771U true CN203445771U (en) | 2014-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320535367.4U Expired - Lifetime CN203445771U (en) | 2013-08-30 | 2013-08-30 | Mining flame-proof and intrinsically safe frequency conversion speed adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203445771U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103414319A (en) * | 2013-08-30 | 2013-11-27 | 电光防爆科技（上海）有限公司 | Mining explosive-proof and intrinsically-safe alternating-current converter |
-
2013
- 2013-08-30 CN CN201320535367.4U patent/CN203445771U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103414319A (en) * | 2013-08-30 | 2013-11-27 | 电光防爆科技（上海）有限公司 | Mining explosive-proof and intrinsically-safe alternating-current 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: 20140219 |