CN2836299Y - Mini-type integrated explosion-proof and intrinsically safe multi-functional vacuum electromagnetic starter for mining use - Google Patents
Mini-type integrated explosion-proof and intrinsically safe multi-functional vacuum electromagnetic starter for mining use Download PDFInfo
- Publication number
- CN2836299Y CN2836299Y CN 200520042828 CN200520042828U CN2836299Y CN 2836299 Y CN2836299 Y CN 2836299Y CN 200520042828 CN200520042828 CN 200520042828 CN 200520042828 U CN200520042828 U CN 200520042828U CN 2836299 Y CN2836299 Y CN 2836299Y
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- CN
- China
- Prior art keywords
- transformer
- digital controller
- intrinsic safety
- vacuum contactor
- absorber
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of small integrated mine flameproof and intrinsic safety type vacuum magnetic starter, belong to mining electrical apparatus control equipment.By the multi-channel signal acquiring loop that digital controller KSD-1, current transformer TA, zero sequence current mutual inductor TL, rc absorber RC form, display alarm part, intrinsic safety electric source, vacuum contactor KM and transformer T
1Form Deng control circuit of forming and housing.Have multiple functional, stable performance, the advantage that fail safe is good.
Description
Technical field
The utility model relates to a kind of mining electrical control equipment, is specially adapted to have the small integrated mine flameproof and intrinsic safety type multifunctional vacuum electromagnetic starter of the purposes such as mine digging of explosion risk gas and coal dust.
Background technology
The colliery modern management requires the ruuning situation of coal mine equipment especially fully-mechanized mining equipment is implemented monitoring, requires the starter product to have high reliability and ease for maintenance, and pit gear is carried out network management.Starter is made up of cable entry on AC vacuum contactor, non-loaded conversion separation switch and the junction box etc., have functions such as signals collecting, control input, data processing, data output demonstration, control output execution, product is used widely in the mine.
The subject matter of its existence:
1, master controller collection analog signal and switching value control signal are finished various calculation process, show various work and fault message on LCD in real time, but can not carry out fault judgement and method for removing prompting.
2, according to job requirement output control signal, realize various function, but can not carry out communication with communication interface and other supervisory control system simultaneously, realize networking control and information processing.
3, product can not be realized far and near joint control, does not adopt intrinsic safety electric source, does not guarantee not produce spark in far away the rising.
Summary of the invention
The purpose of this utility model is the shortcoming that overcomes existing portable vacuum electromagnetic starter, provide a kind of can far and near joint control, alarm indication and vacuum electromagnetic starter that can online control.
The utility model adopts following technical scheme: a kind of small integrated mine flameproof and intrinsic safety type multifunctional vacuum electromagnetic starter, it comprises housing, terminal box, vacuum contactor KM, digital controller, transformer T
1, multi-channel signal acquiring device display alarm, it is characterized in that terminal box places the upper surface of housing, vacuum contactor, digital controller, transformer T
1, isolate the multi-channel signal acquiring loop that reversing switch KH, rc absorber RC, zero sequence current mutual inductor, current transformer form and all be installed in the housing; And connect as follows: three phase mains is divided into two-way after entering and isolating reversing switch KH, and one the tunnel meets transformer T
1, and by auxiliary relay K
1, K
2Connect digital controller; Be connected transformer T
1The intrinsic safety electric source of output provides the intrinsic safety electric current; Selector switch SA connects auxiliary relay K
1And vacuum contactor KM; Another road is through vacuum A.C. contactor KM and outlet terminal W
1, W
2, W
3Connect, three current transformer TA successively connect in the three-phase power line
1, TA
2, TA
3Zero sequence current mutual inductor TC, rc absorber RC forms the multi-channel signal acquiring loop, current transformer TA
1, TA
2, TA
3Zero sequence current mutual inductor TL, rc absorber RC all are electrically connected with the digital controller input port, digital controller is judged detected phase shortage, electric leakage, overload signal, directly compare, analyze with the threshold values of setting, the result is partly shown, reports to the police by the display alarm that is connected with its output port; And control the K switch B, the K that are connected with its output port
2, KM action, the arrestment operation.
Good effect of the present utility model is:
1) isolating switch of this starter has certain breaking capacity; starter also has defencive functions such as overload, short circuit, the phase failure, decompression and main circuit earth leakage search/lockout; there are operating states such as corresponding fault demonstration and power supply, operation, joint control to show, adopt Single-chip Controlling and protection.
2) product is used for the starting of the flame-proof mine three-phase squirrel-cage induction motor of far distance controlled corresponding frequencies and voltage, and the usefulness that stops and reversing or stop on the spot can conveniently moving, and connects the Control Network system, realizes remote monitoring.
3) the issuable link of product bug shows with the method for fixing a breakdown, and comes into plain view, and need only rule of thumb just simply judge and can make one's options, and has played the effect of getting twice the result with half the effort, and has improved efficiency and productivity effect.
4) product is integrated in a housing with all parts, miniaturization, is easy to carry.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is an electrical schematic diagram of the present utility model;
Fig. 2 is a front view of the present utility model;
Fig. 3 is a left view of the present utility model;
Fig. 4 is a right view of the present utility model.
Among the figure: 1, housing, 2, terminal box, 3, vacuum contactor KM, 5, digital controller KSD-1,6, isolate reversing switch KH, 7, transformer T
1, 8, the multi channel signals checkout gear.
Embodiment
As Fig. 2, Fig. 3, shown in Figure 4, the utility model housing (1) upper surface is fixed with terminal box (2), closely combines vacuum contactor KM (3), digitial controller (5), reversing switch (6), transformer T are housed in housing (1)
1(7), multi-channel signal acquiring device (8), make the utility model structurally become miniaturization.
Shown in the electrical schematic diagram of Fig. 1, the major part of control circuit is a digital controller, and digital controller is the KSD-1 single-chip microcomputer that contains program in the present embodiment.An one port with provide the transformer T of power supply to it
1Connect, and be connected with auxiliary relay K
1, K
2, auxiliary relay K
1, K
2Do auxiliary movement and action execution usefulness.Three phase mains is by terminal X
1, X
2, X
3Be divided into two-way after entering isolation reversing switch KH, the one tunnel meets transformer T
1, the power supply of control section, auxiliary relay K are provided
1, K
2Do auxiliary movement and action execution.Intrinsic safety electric source provides the intrinsic safety electric current, makes remote starter not produce spark, is connected with selector switch SA behind the auxiliary relay, and selector switch SA connects contact KM-1, the KM-2 of vacuum contactor KM and far plays, far stops, closely rises, closely stops to connect button SB
4, SB
5, SB
1, SB
2Another road meets vacuum contactor KM, is connected in series three current transformer TA behind vacuum contactor KM in the three-phase power line successively
1, TA
2, TA
3, zero sequence current mutual inductor TL, rc absorber RC, with the signal input digit controller KSD-1 that gathers, the output port of digital controller KSD-1 and display alarm, part connects the output result.
Its operation principle is: during operation, three phase mains passes through X
1, X
2, X
3Terminal arrives insulating phase-change switch KH, delivers to transformer T after the phase-change switch closure
1, output 36VAC power supply, controller carries out self check, whether reaches the regulation requirement by two normally closed contact detection load circuitous resistances, is lower than regulation and requires that then KB is not closed, shows simultaneously to record resistance value and report to the police; Be higher than setting, starting is waited in then KB adhesive; Selector switch SA then presses starting button SB when near control
1, relay K
1, K
2, the adhesive in succession of KM coil, KM adhesive back contact KM-1 is with starting button SB
1Self-locking, starting is finished; When stopping, pressing stop button SB
2, auxiliary relay K then
1, K
2, KM disconnects in succession.During far away the control, then press starting button SB4 starting, stop by SB5, principle is with nearly control.
In the running, following phenomenon appears, K switch B, K
2, KM then disconnects in succession, the load dead electricity, digital controller KSD-1 newspaper fault also shows fault, reason and the suggestion of row's barrier by display.Controller is constantly gathered the current signal of current transformer TA1, TA2, TA3 and the leakage current signal of zero sequence current mutual inductor TL, if electric current is greater than rated value, then controller KSD-1 counts by the inverse time lag rule, and after greater than set point, i.e. load surpasses when bearing the limit; Have one to be zero mutually in the load three-phase when controller detects, then carry out open-phase protection; When there was Leaked Current of Line to Ground in load-side, zero sequence current mutual inductor detected signal and send digital controller KSD-1, and leakage current then disconnects KB during greater than setting, auxiliary relay K
2Disconnection, vacuum contactor KM disconnect, the load dead electricity, and digital controller KSD-1 reports fault and partly shows by display alarm.
Claims (1)
1, a kind of small integrated mine flameproof and intrinsic safety type multifunctional vacuum electromagnetic starter, it comprises housing (1), terminal box (2), vacuum contactor KM (3), digital controller (5), transformer T
1(7), multi-channel signal acquiring device (8), it is characterized in that terminal box (2) places the upper surface of housing (1), the multi-channel signal acquiring part (8) that vacuum contactor (3), digital controller (5), transformer T1 (7), isolation reversing switch KH (6), rc absorber RC, zero sequence current mutual inductor, current transformer are formed all is installed in the housing (1); And connect as follows: three phase mains is divided into two-way after entering and isolating reversing switch KH, and one the tunnel meets transformer T
1, and by auxiliary relay K
1, K
2Connect digital controller; Be connected transformer T
1The intrinsic safety electric source of output provides the intrinsic safety electric current; Selector switch SA connects auxiliary relay K
1And vacuum contactor KM; Another road is through vacuum contactor KM and outlet terminal W
1, W
2, W
3Connect, three current transformer TA successively connect in the three-phase power line
1, TA
2, TA
3Zero sequence current mutual inductor TC, rc absorber RC forms the multi-channel signal acquiring loop, current transformer TA
1, TA
2, TA
3, zero sequence current mutual inductor TL, rc absorber RC all be electrically connected with the digital controller input port, digital controller is judged detected phase shortage, electric leakage, overload signal, directly compare, analyze with the threshold values of setting, the result is shown, reports to the police by the display alarm notification portion that is connected with its output port; And control the K switch B, the K that are connected with its output port
2, KM action, the arrestment operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520042828 CN2836299Y (en) | 2005-06-23 | 2005-06-23 | Mini-type integrated explosion-proof and intrinsically safe multi-functional vacuum electromagnetic starter for mining use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520042828 CN2836299Y (en) | 2005-06-23 | 2005-06-23 | Mini-type integrated explosion-proof and intrinsically safe multi-functional vacuum electromagnetic starter for mining use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2836299Y true CN2836299Y (en) | 2006-11-08 |
Family
ID=37300949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520042828 Expired - Fee Related CN2836299Y (en) | 2005-06-23 | 2005-06-23 | Mini-type integrated explosion-proof and intrinsically safe multi-functional vacuum electromagnetic starter for mining use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2836299Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103293998A (en) * | 2012-02-27 | 2013-09-11 | 王志斌 | Failure self-diagnosis explosion-proof vacuum switch |
| CN104953550A (en) * | 2015-05-19 | 2015-09-30 | 中国核电工程有限公司 | Motor leakage protection device |
-
2005
- 2005-06-23 CN CN 200520042828 patent/CN2836299Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103293998A (en) * | 2012-02-27 | 2013-09-11 | 王志斌 | Failure self-diagnosis explosion-proof vacuum switch |
| CN104953550A (en) * | 2015-05-19 | 2015-09-30 | 中国核电工程有限公司 | Motor leakage protection device |
| CN104953550B (en) * | 2015-05-19 | 2018-12-14 | 中国核电工程有限公司 | A kind of earth leakage protective device of motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061108 Termination date: 20100623 |