CN203537686U - Mining flame-proof type compressor and transformer comprehensive protection device - Google Patents
Mining flame-proof type compressor and transformer comprehensive protection device Download PDFInfo
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- CN203537686U CN203537686U CN201320615416.5U CN201320615416U CN203537686U CN 203537686 U CN203537686 U CN 203537686U CN 201320615416 U CN201320615416 U CN 201320615416U CN 203537686 U CN203537686 U CN 203537686U
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Abstract
The utility model discloses a mining flame-proof type compressor and transformer comprehensive protection device comprising an underframe, a flame-proof cabinet, cable introducing devices, control cable introducing devices, a machine core and a microcomputer protection device. The flame-proof cabinet is square and is divided into an upper chamber and a lower chamber, the upper chamber junction box and the lower chamber main box are integrally welded, the underframe is arranged at the lower end of the flame-proof cabinet, the cable introducing devices are arranged on the left and right sides of the upper chamber junction box, the control cable introducing devices are arranged on the front and back sides of the upper chamber junction box, and the machine core is arranged inside the lower chamber main box. The bottom surfaces at the two ends of the underframe are arc-shaped, and an angle between each tangent plane of the bottom surface and the ground is 45 degrees. The lower chamber main box is designed with a front door and a back door both having a screw door structure, the front door and the back door are integrally connected with the lower chamber main box through hinges and bolts, and a linkage turning-plate type front door and back door locking device is arranged on the right side of the front door. The microcomputer protection device is fixedly arranged on the front door. The mining flame-proof type compressor and transformer comprehensive protection device is convenient to transport, install and maintain, provides the voltage for a mining urgent danger prevention system compressor, and has multiple protection functions.
Description
Technical field
The utility model relates to a kind of protective device of compressor variable depressor.
Background technology
State Council in 2010, national security supervision and management general bureau, national safety of coal mines Surveillance Authority have put into effect a series of file, require in by the end of June, 2012 before high gas in all coals (rock) and gas (carbon dioxide) projecting mine and central enterprise colliery and State owned coal mine, the mine of exploiting easy spontaneous combustion coal seam all built urgent danger prevention systems.The construction Perfect the work that front national all collieries all complete " six large systems " in by the end of June, 2013, improves security protection level conscientiously.
Utility model content
The utility model provides a kind of flame-proof mine compressor comprehensive protector of transformer, is convenient to transportation, lifting, installs and maintenance, for urgent danger prevention system compresses machine provides voltage, and has multi-protective function.
The utility model is by the following technical solutions:
A flame-proof mine compressor comprehensive protector of transformer, comprises underframe, flameproof cabinet, cable entry, control cables introducing device, movement and microcomputer protective device.Flameproof cabinet adopts square box, be divided into up and down cavate, epicoele junction box and cavity of resorption main box are welding as one, underframe is arranged on flameproof cabinet lower end, cable entry is arranged on epicoele junction box's left and right side, control cables introducing device is arranged on epicoele junction box's two sides, front and back, and movement is arranged in cavity of resorption main box; The bottom surface at underframe two ends is circular arc bottom surfaces, and the tangent plane of circular arc bottom surface becomes 45 with ground
o; Cavity of resorption main box is designed with Qianmen and back door, Qianmen and back door all adopt screw door, Qianmen and back door connect as one by hinge, bolt and main box, right side, Qianmen is designed with the forward and backward door latch apparatus of linkage turning plate type, Qianmen has window, combined floodgate, separating brake, protector to adjust button, guarantee flame proof gap≤0.3mm simultaneously, meet the requirement of safety regulations in coal mine; Microcomputer protective device is fixedly installed on Qianmen.
The forward and backward door latch apparatus of described linkage turning plate type by be arranged on the handle on flameproof cabinet, the front screw mandrel that is arranged on handle both sides and rear screw mandrel, by jointed shaft be located at flameproof cabinet front turnover panel and by jointed shaft be located at flameproof cabinet end blocking, be arranged on the front fixture block on Qianmen and the rear fixture block that is arranged on back door forms, front screw mandrel is located on flameproof cabinet by front screw rodb base, rear screw mandrel is located on flameproof cabinet by back filament rod seat, forward and backward screw mandrel is to be threaded with corresponding screw rodb base, front turnover panel is corresponding with front fixture block, and end blocking is corresponding with rear fixture block.
Described microcomputer protective device comprise two CPU, 32-bit number processor with and built-in transducer, Liquid crystal Chinese character display device and 485 communication interfaces on Liquid crystal Chinese character display device plug of backlight function, 485 communication interfaces by two CPU and 32-bit number processor with and built-in transducer be electrically connected.
Described movement comprises by bolt installs, is fixed on isolating switch on core frame, vacuum circuit-breaker, voltage, current transformer, zero-sequence transformer, three-phase reactor etc.
Described cable entry is comprised of communicating joint, metal washer, cable sealing ring, steel closure plate, platen.Epicoele junction box left and right side is respectively welded with 3 communicating joints, and metal washer, cable sealing ring, steel closure plate are installed in communicating joint, and platen is connected with communicating joint by bolt.
Described control cables introducing device is comprised of communicating joint, cable sealing ring, steel closure plate, clamp nut, bolt, bullet pad, pressing plate, metal washer.It is upper that communicating joint is welded on epicoele junction box, and cable sealing ring, metal washer and steel closure plate are arranged in communicating joint aerial, and clamp nut is screwed in communicating joint by screw thread.
The beneficial effects of the utility model: a kind of flame-proof mine compressor comprehensive protector of transformer, flameproof cabinet overall appearance is simply generous, be convenient to transportation, lifting, Qianmen and back door all adopt screw door, no matter how severe coal mine environment is, door can be opened fast, is convenient to install and maintenance, is applicable to have under the coal mine of explosion risk gas and dust in particular surroundings; Can Real-Time Monitoring voltage, the data such as electric current, realize the functions such as short-circuit protection, overload protection, earth leakage search/lockout, earth leakage protective, overvoltage protection, under-voltage protection, three-phase imbalance protection; By 485 communication interfaces, realize remote measurement, remote control, remote regulating, remote regulating function, realize mine automation management.
Accompanying drawing explanation
Fig. 1 is the utility model Qianmen front view.
Fig. 2 is the utility model left view.
Fig. 3 is that the utility model A is to back door schematic diagram.
Fig. 4 is that the utility model B is to the forward and backward door latch apparatus structural representation of linkage turning plate type.
Wherein: 1, underframe, 2, handle, 3, Qianmen, 4, cable entry; 5, epicoele junction box, 6, back door, 7, cavity of resorption main box, 8, control cables introducing device; 9, the forward and backward door latch apparatus of linkage turning plate type, 10, transformer, 11, front screw mandrel, 12, rear screw mandrel; 13, front turnover panel, 14, end blocking, 15, movement; 16, microcomputer protective device, 17, front fixture block, 18, rear fixture block; 19, jointed shaft, 20, front screw rodb base, 21, back filament rod seat.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further details:
As shown in Figure 1, Figure 2, Figure 3 and Figure 4; a kind of flame-proof mine compressor comprehensive protector of transformer; comprise underframe 1, flameproof cabinet, cable entry 4 and control cables introducing device 8; flameproof cabinet adopts square box; be divided into up and down cavate; epicoele junction box 5 and cavity of resorption main box 7 are welding as one; underframe 1 is arranged on flameproof cabinet lower end; cable entry 4 is arranged on epicoele junction box 5 left and right side; control cables introducing device 8 is arranged on epicoele junction box 5 two sides, front and back, and movement 15 is arranged in cavity of resorption main box 7.The bottom surface at underframe 1 two ends is circular arc bottom surfaces, and the tangent plane of circular arc bottom surface becomes 45 with ground
o; Cavity of resorption main box 7 is designed with Qianmen 3 and back door 6, Qianmen 3 and back door 6 all adopt screw door, Qianmen 3 and back door 6 connect as one by hinge, bolt and main box, 3 right sides, Qianmen are designed with the forward and backward door latch apparatus 9 of linkage turning plate type, Qianmen has window, combined floodgate, separating brake, protector to adjust button, guarantee flame proof gap≤0.3mm simultaneously, meet the requirement of safety regulations in coal mine; Microcomputer protective device 16 is fixedly installed on Qianmen 3.
Described microcomputer protective device 16 comprise two CPU, 32-bit number processor with and built-in transducer, Liquid crystal Chinese character display device and 485 communication interfaces on Liquid crystal Chinese character display device plug of backlight function, 485 communication interfaces by two CPU and 32-bit number processor with and built-in transducer be electrically connected.
Described movement 15 comprises by bolt installs, is fixed on isolating switch on core frame, vacuum circuit-breaker, voltage, current transformer, zero-sequence transformer, three-phase reactor etc.
Described cable entry 4 is comprised of communicating joint, metal washer, cable sealing ring, steel closure plate, platen.Epicoele junction box 5 left and right sides are respectively welded with 3 communicating joints, and metal washer, cable sealing ring, steel closure plate are installed in communicating joint, and platen is connected with communicating joint by bolt.
Described control cables introducing device 8 is comprised of communicating joint, cable sealing ring, steel closure plate, clamp nut, bolt, bullet pad, pressing plate, metal washer.Communicating joint is welded on epicoele junction box 5, and cable sealing ring, metal washer and steel closure plate are arranged in communicating joint aerial, and clamp nut is screwed in communicating joint by screw thread.
Before described linkage turning plate type, rear door latch apparatus 9 is by the handle 2 being arranged on flameproof cabinet, be arranged on front screw mandrel 11 and the rear screw mandrel 12 of handle 2 both sides, by jointed shaft 19, be located at the front turnover panel 13 of flameproof cabinet and by jointed shaft, be located at the end blocking 14 of flameproof cabinet, the rear fixture block 18 that is arranged on the front fixture block 17 on Qianmen 3 and is arranged on back door 6 forms, front screw mandrel 11 is located on flameproof cabinet by front screw rodb base 20, rear screw mandrel 12 is located on flameproof cabinet by back filament rod seat 21, before, rear screw mandrel is to be threaded with corresponding screw rodb base, front turnover panel 13 is corresponding with front fixture block 17, end blocking 14 is corresponding with rear fixture block 18.When handle 2 is during in position of rest, stop power transmission, the front screw mandrel 11 of turn and rear screw mandrel 12, insert in handle holes front screw mandrel 11 and rear screw mandrel 12, turnover panel 13, end blocking 14 before upset, Qianmen 3, back door 6 can be opened, when handle 2 is in when position forward or backwards, upset turnover panel makes front turnover panel 13 catch on front fixture block 17, end blocking 14 catches on rear fixture block 18, turn screw mandrel screws out screw mandrel from handle hole, front screw mandrel 11 withstands front turnover panel 13, rear screw mandrel 12 withstands end blocking 14, Qianmen 3, back door 6 all can not be opened, now handle 2 could clockwise or be rotated counterclockwise, realize power transmission forward or backwards, there is window at Qianmen, close a floodgate, separating brake, protector is adjusted knob, because transformer 10 capacity are 10KVA, volume, weight is larger, therefore the utility model appearance design has a back door connection 6, open back door and can realize Fast Installation, debugging maintenance.Flameproof cabinet overall appearance is simply generous, and no matter how severe coal mine environment is, and door can be opened fast, is convenient to install, maintenance, is applicable to have under the coal mine of explosion risk gas and dust in particular surroundings.
Threephase current transformer in movement 15 is converted to the current signal detecting a milliampere level current signal, by filtering, LM258, is amplified the voltage signal that produces 0～5V by TR21141C (5A/2.5mA) current transducer, through HCF405 multiway analog switch, signal is input to 32 LPC1758 processors, LPC1758 is built-in with 12 A/D converters.Two CPU carry out computing to the signal gathering, and when calculating results of weak current any is greater than 8 times of rated current mutually, two CPU send trip command, drive auxiliary relay to make the tripping operation of flame-proof mine compressor comprehensive protector of transformer, and show short trouble.When calculating results of weak current any is greater than 1.2 times of rated current mutually, according to inverse time lag principle, two CPU send trip command, make the tripping operation of flame-proof mine compressor comprehensive protector of transformer, and show overload fault.When calculating three-phase current unbalance, two CPU send trip command, make the tripping operation of flame-proof mine compressor comprehensive protector of transformer, and show three-phase imbalance fault, realize short-circuit protection, overload protection, three-phase imbalance protection.
Voltage transformer in movement 15 amplifies by electric resistance partial pressure, filtering, LM258 the voltage signal detecting, through HCF405 multiway analog switch, signal is input to 32 LPC1758 processors, and LPC1758 is built-in with 12 A/D converters.Two CPU carry out calculation process to the signal gathering, and when calculating voltage result is less than 0.6 times of rated voltage, two CPU send trip command, make the tripping operation of flame-proof mine compressor comprehensive protector of transformer, and show under-voltage fault.When calculating voltage result is greater than 1.2 times of rated voltages, two CPU send trip command, make the tripping operation of flame-proof mine compressor comprehensive protector of transformer, and show overvoltage fault, realize overvoltage protection, under-voltage protection.
Zero sequential potential transformer in movement 15, zero sequence current mutual inductor are by the voltage signal detecting by electric resistance partial pressure, filtering, amplification, be input to 32 LPC1758 processors by signal, and LPC1758 is built-in with 12 A/D converters.Two CPU carry out computing to the signal gathering, and when operation result exceeds setting value, two CPU send trip command, make the tripping operation of flame-proof mine compressor comprehensive protector of transformer, and show earth leakage search/lockout or leak current fault, realize earth leakage search/lockout, earth leakage protective.
Claims (6)
1. a flame-proof mine compressor comprehensive protector of transformer, comprise underframe (1), flameproof cabinet, cable entry (4), control cables introducing device (8), movement (15) and microcomputer protective device (16), flameproof cabinet adopts square box, upper and lower cavity-separating, epicoele junction box (5) and cavity of resorption main box (7) are welding as one, underframe (1) is arranged on cavity of resorption main box (7) lower end, cable entry (4) is arranged on the left and right side of epicoele junction box (5), control cables introducing device (8) is arranged on epicoele junction box's (5) two sides, front and back, movement (15) is arranged in cavity of resorption main box (7), microcomputer protective device (16) is fixedly installed on Qianmen (3), it is characterized in that: the bottom surface at underframe (1) two ends is circular arc bottom surfaces, cavity of resorption main box (7) is designed with Qianmen (3) and back door (6), Qianmen (3) and back door (6) all adopt screw door, right side, Qianmen is designed with before linkage turning plate type, rear door latch apparatus (9).
2. a kind of flame-proof mine compressor comprehensive protector of transformer according to claim 1, is characterized in that: the tangent plane of circular arc bottom surface becomes 45 with ground
oangle.
3. a kind of flame-proof mine compressor comprehensive protector of transformer according to claim 1, is characterized in that: Qianmen (3) and back door (6) connect as one by hinge, bolt and cavity of resorption main box (7).
4. a kind of flame-proof mine compressor comprehensive protector of transformer according to claim 1, it is characterized in that: before linkage turning plate type, rear door latch apparatus (9) is by the handle (2) being arranged on flameproof cabinet, be arranged on front screw mandrel (11) and the rear screw mandrel (12) of handle (2) both sides, by jointed shaft (19), be located at the front turnover panel (13) of flameproof cabinet and by jointed shaft, be located at the end blocking (14) of flameproof cabinet, the rear fixture block (18) that is arranged on the front fixture block (17) on Qianmen (3) and is arranged on back door (6) forms, front screw mandrel (11) is located on flameproof cabinet by front screw rodb base (20), rear screw mandrel (12) is located on flameproof cabinet by back filament rod seat (21), before, rear screw mandrel is to be threaded with corresponding screw rodb base, front turnover panel (13) is corresponding with front fixture block (17), end blocking (14) is corresponding with rear fixture block (18).
5. a kind of flame-proof mine compressor comprehensive protector of transformer according to claim 1; it is characterized in that: microcomputer protective device (16) comprise two CPU, 32-bit number processor with and built-in transducer, Liquid crystal Chinese character display device and 485 communication interfaces on Liquid crystal Chinese character display device plug of backlight function, 485 communication interfaces by two CPU and 32-bit number processor with and built-in transducer be electrically connected.
6. a kind of flame-proof mine compressor comprehensive protector of transformer according to claim 1, is characterized in that: movement (15) is arranged in cavity of resorption main box by core frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320615416.5U CN203537686U (en) | 2013-10-08 | 2013-10-08 | Mining flame-proof type compressor and transformer comprehensive protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320615416.5U CN203537686U (en) | 2013-10-08 | 2013-10-08 | Mining flame-proof type compressor and transformer comprehensive protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203537686U true CN203537686U (en) | 2014-04-09 |
Family
ID=50423852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320615416.5U Expired - Fee Related CN203537686U (en) | 2013-10-08 | 2013-10-08 | Mining flame-proof type compressor and transformer comprehensive protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203537686U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103928907A (en) * | 2014-05-07 | 2014-07-16 | 江西森源电力股份有限公司 | Intelligent vacuum circuit breaker used for protecting and controlling distribution transformer |
| CN104405671A (en) * | 2014-12-12 | 2015-03-11 | 重庆市荣冠科技有限公司 | Draught fan protection device in dangerous gas environment |
-
2013
- 2013-10-08 CN CN201320615416.5U patent/CN203537686U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103928907A (en) * | 2014-05-07 | 2014-07-16 | 江西森源电力股份有限公司 | Intelligent vacuum circuit breaker used for protecting and controlling distribution transformer |
| CN104405671A (en) * | 2014-12-12 | 2015-03-11 | 重庆市荣冠科技有限公司 | Draught fan protection device in dangerous gas environment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20151008 |
|
| EXPY | Termination of patent right or utility model |