CN202395738U - Three-phase contactless switch module - Google Patents
Three-phase contactless switch module Download PDFInfo
- Publication number
- CN202395738U CN202395738U CN2011205083110U CN201120508311U CN202395738U CN 202395738 U CN202395738 U CN 202395738U CN 2011205083110 U CN2011205083110 U CN 2011205083110U CN 201120508311 U CN201120508311 U CN 201120508311U CN 202395738 U CN202395738 U CN 202395738U
- Authority
- CN
- China
- Prior art keywords
- diode
- binding post
- triode thyristor
- bidirectional triode
- links
- Prior art date
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Relay Circuits (AREA)
Abstract
The utility model provides a three-phase contactless switch module, which belongs to the technical field of manufacture of electric appliance switches. The technical problem that an existing three-phase contactless switch module is low in reliability is solved. The technical scheme is that a first positive electrode of a dual-polarity silicon controlled rectifier SCR1 is connected with a connecting terminal A, a second positive electrode of SCR1 is connected with a connecting terminal X, and the control end of the SCR1 is in series connection with a normally opened contact J1.2 of a relay J1 and a resistor R1 and then is connected with the connecting terminal A. A diode D1, a diode D2, a diode D3, a diode D4 and a capacitor C1 form a bridge rectifier filter circuit, two ends of the capacitor C1 are in parallel connection with a coil J1.1 of the relay J1, a connecting terminal M is in series connection with a resistor R4 and then is connected with a connecting line between the diode D1 and the diode D2, and a connecting terminal N is connected with a connecting line between the diode D3 and the diode D4. The three-phase contactless switch module is suitable for the fields of factories, coal mine and the like.
Description
Technical field
The utility model three-phase contactless switch module belongs to appliance switch manufacturing technology field, particularly a kind of high-power noncontacting switch.
Background technology
At present; In high-power electric appliance switch control technology; Common have schemes such as conventional AC contactor, solid-state relay, great power bidirectional controllable silicon, and most of A.C. contactor that adopts is controlled in the existing device, reasons such as, coil easy burn-out fragile owing to ac contactor contact; Need often to change, safeguard, pretty troublesome; If adopt control devices such as solid-state relay, great power bidirectional controllable silicon, need control circuit is changed in a large number, more complicated, installing hole, radiator setting all are problems; Simultaneously, device such as solid-state relay, great power bidirectional controllable silicon also has control signal to be disturbed easily and inherent shortcoming such as mislead is difficult to overcome.
The utility model content
The utility model overcomes the deficiency that prior art exists, and technical problem to be solved is: the three-phase contactless switch module that a kind of high reliability is provided.
For solving the problems of the technologies described above, the technical scheme that the utility model adopted is: the three-phase contactless switch module comprises: the coil of bidirectional triode thyristor SCR1, SCR2, SCR3, relay J 1 is J1.1, and its normally opened contact comprises J1.2, J1.3, J1.4;
The first anode of said bidirectional triode thyristor SCR1 links to each other with binding post A, and the second plate of bidirectional triode thyristor SCR1 links to each other with binding post X, and the normally opened contact J1.2 of the control end serial connection relay J 1 of bidirectional triode thyristor SCR1 links to each other with binding post A with resistance R 1 back;
The first anode of said bidirectional triode thyristor SCR2 links to each other with binding post B, and the second plate of bidirectional triode thyristor SCR2 links to each other with binding post Y, and the normally opened contact J1.3 of the control end serial connection relay J 1 of bidirectional triode thyristor SCR2 links to each other with binding post B with resistance R 2 backs;
The first anode of said bidirectional triode thyristor SCR3 links to each other with binding post C, and the second plate of bidirectional triode thyristor SCR3 links to each other with binding post Z, and the normally opened contact J1.4 of the control end serial connection relay J 1 of bidirectional triode thyristor SCR3 links to each other with binding post C with resistance R 3 backs;
Diode D1, D2, D3, D4 and capacitor C 1 are formed bridge rectifier filter circuit; Diode D1 anodal and the anodal back that meets diode D3 link to each other with an end of capacitor C 1; Link to each other with the other end of capacitor C 1 behind the negative pole serial connection diode D2 of diode D1; Link to each other with the other end of capacitor C 1 behind the negative pole of the diode D3 serial connection diode D4, the two ends of capacitor C 1 also are connected to the coil J1.1 of relay J 1;
Behind the binding post M series resistor R4 with diode D1 and diode D2 between line link to each other, binding post N links to each other with line between diode D3 and the diode D4.
The two ends of the coil J1.1 of said relay J 1 also are connected to the indicating circuit that is composed in series by resistance R 5 and LED 1.
The top of said bidirectional triode thyristor SCR1, SCR2, SCR3 is equipped with radiator.
The beneficial effect that the utility model compared with prior art has is: the utility model three-phase contactless switch module, and than existing A.C. contactor long working life, reliability is high, and reaction is fast, no-spark in service, noiselessness, efficient height, but direct substitution; Compare with control modes such as existing solid-state relay, great power bidirectional controllable silicons, control circuit is simple, and antijamming capability is strong, and is easy to install, but wide popularization and application.
Description of drawings
Below in conjunction with accompanying drawing the embodiment of the utility model is done further detailed explanation.
Fig. 1 is the electrical block diagram of the utility model;
Fig. 2 is the application wiring schematic diagram of the utility model.
Among the figure: 1 is that three-phase contactless switch module, 2 is that control signal, 3 is that load main power source, 4 is threephase load.
Embodiment
As shown in Figure 1, the utility model three-phase contactless switch module comprises: the coil of bidirectional triode thyristor SCR1, SCR2, SCR3, relay J 1 is J1.1, and its normally opened contact comprises J1.2, J1.3, J1.4;
The first anode of said bidirectional triode thyristor SCR1 links to each other with binding post A, and the second plate of bidirectional triode thyristor SCR1 links to each other with binding post X, and the normally opened contact J1.2 of the control end serial connection relay J 1 of bidirectional triode thyristor SCR1 links to each other with binding post A with resistance R 1 back;
The first anode of said bidirectional triode thyristor SCR2 links to each other with binding post B, and the second plate of bidirectional triode thyristor SCR2 links to each other with binding post Y, and the normally opened contact J1.3 of the control end serial connection relay J 1 of bidirectional triode thyristor SCR2 links to each other with binding post B with resistance R 2 backs;
The first anode of said bidirectional triode thyristor SCR3 links to each other with binding post C, and the second plate of bidirectional triode thyristor SCR3 links to each other with binding post Z, and the normally opened contact J1.4 of the control end serial connection relay J 1 of bidirectional triode thyristor SCR3 links to each other with binding post C with resistance R 3 backs;
Diode D1, D2, D3, D4 and capacitor C 1 are formed bridge rectifier filter circuit; Diode D1 anodal and the anodal back that meets diode D3 link to each other with an end of capacitor C 1; Link to each other with the other end of capacitor C 1 behind the negative pole serial connection diode D2 of diode D1; Link to each other with the other end of capacitor C 1 behind the negative pole of the diode D3 serial connection diode D4, the two ends of capacitor C 1 also are connected to the coil J1.1 of relay J 1;
Behind the binding post M series resistor R4 with diode D1 and diode D2 between line link to each other, binding post N links to each other with line between diode D3 and the diode D4.
The two ends of the coil J1.1 of said relay J 1 also are connected to the indicating circuit that is composed in series by resistance R 5 and LED 1.
The utility model three-phase contactless switch module 1 overall package is in a rectangle module; Binding post is installed in the module side; Identical with the binding post set-up mode of existing A.C. contactor; The size of module is identical with existing A.C. contactor series installation dimension, and the top of said bidirectional triode thyristor SCR1, SCR2, SCR3 is equipped with radiator.
Fig. 2 is the application wiring schematic diagram of the utility model; Similar with existing A.C. contactor mode of connection; During use; The binding post A of three-phase contactless switch module 1, B, C link to each other with load main power source 3, and the binding post X of three-phase contactless switch module 1, Y, Z link to each other with threephase load 4, and the binding post M of three-phase contactless switch module 1, N link to each other with control signal 2; The voltage of control signal 2 is 380 volts, if when control signal 2 voltages are voltage such as 220V, 12V, 36V, resistance R 4 sizes are to adapt in the adjusting module.
In the utility model, behind the 380V alternating current of binding post M, N input control signal 2, through current-limiting resistance R4 current limliting, bridge rectifier rectification, capacitor C 1 filtering; The coil J1.1 that the low-voltage DC of output gets into miniature relay J1 makes relay J 1 action, and its normally opened contact J1.2, J1.3, J1.4 closure trigger bidirectional triode thyristor SCR1, SCR2, SCR3 conducting; Threephase load 4 work; Simultaneously, LED 1 is bright, and display module is in conducting state; During the input of control signal 2 no currents, bidirectional triode thyristor SCR1, SCR2, SCR3 end, and threephase load 4 quits work.
The selection of above-mentioned bidirectional triode thyristor should adapt with threephase load 4 power and leaves certain safe clearance, and bidirectional triode thyristor SCR1, SCR2, SCR3 should install corresponding fin.
The utility model is owing to adopting noncontacting switch, and than existing A.C. contactor long working life, reliability is high, and reaction is fast, no-spark in service, noiselessness, efficient height; Since the conducting of having adopted miniature relay control bidirectional triode thyristor with end, the antijamming capability of control signal 2 is strengthened greatly, obviously be superior to the conventional control circuit of existing bidirectional triode thyristor, solid-state relay; The installation dimension of the utility model three-phase contactless switch module 1 is identical with existing A.C. contactor installation dimension series standard, and control voltage is identical, but direct substitution.
Claims (3)
1. three-phase contactless switch module, comprising: the coil of bidirectional triode thyristor SCR1, SCR2, SCR3, relay J 1 is J1.1, and its normally opened contact comprises J1.2, J1.3, J1.4; It is characterized in that:
The first anode of said bidirectional triode thyristor SCR1 links to each other with binding post A, and the second plate of bidirectional triode thyristor SCR1 links to each other with binding post X, and the normally opened contact J1.2 of the control end serial connection relay J 1 of bidirectional triode thyristor SCR1 links to each other with binding post A with resistance R 1 back;
The first anode of said bidirectional triode thyristor SCR2 links to each other with binding post B, and the second plate of bidirectional triode thyristor SCR2 links to each other with binding post Y, and the normally opened contact J1.3 of the control end serial connection relay J 1 of bidirectional triode thyristor SCR2 links to each other with binding post B with resistance R 2 backs;
The first anode of said bidirectional triode thyristor SCR3 links to each other with binding post C, and the second plate of bidirectional triode thyristor SCR3 links to each other with binding post Z, and the normally opened contact J1.4 of the control end serial connection relay J 1 of bidirectional triode thyristor SCR3 links to each other with binding post C with resistance R 3 backs;
Diode D1, D2, D3, D4 and capacitor C 1 are formed bridge rectifier filter circuit; Diode D1 anodal and the anodal back that meets diode D3 link to each other with an end of capacitor C 1; Link to each other with the other end of capacitor C 1 behind the negative pole serial connection diode D2 of diode D1; Link to each other with the other end of capacitor C 1 behind the negative pole of the diode D3 serial connection diode D4, the two ends of capacitor C 1 also are connected to the coil J1.1 of relay J 1;
Behind the binding post M series resistor R4 with diode D1 and diode D2 between line link to each other, binding post N links to each other with line between diode D3 and the diode D4.
2. three-phase contactless switch module according to claim 1 is characterized in that: the two ends of the coil J1.1 of said relay J 1 also are connected to the indicating circuit that is composed in series by resistance R 5 and LED 1.
3. three-phase contactless switch module according to claim 1 and 2 is characterized in that: the top of said bidirectional triode thyristor SCR1, SCR2, SCR3 is equipped with radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205083110U CN202395738U (en) | 2011-12-08 | 2011-12-08 | Three-phase contactless switch module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205083110U CN202395738U (en) | 2011-12-08 | 2011-12-08 | Three-phase contactless switch module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202395738U true CN202395738U (en) | 2012-08-22 |
Family
ID=46670637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205083110U Expired - Fee Related CN202395738U (en) | 2011-12-08 | 2011-12-08 | Three-phase contactless switch module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202395738U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412818A (en) * | 2011-12-08 | 2012-04-11 | 梁鑫 | Three-phase contactless switch |
-
2011
- 2011-12-08 CN CN2011205083110U patent/CN202395738U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412818A (en) * | 2011-12-08 | 2012-04-11 | 梁鑫 | Three-phase contactless switch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201656760U (en) | Surge-prevention soft starting circuit | |
| CN202888081U (en) | AC contactor intelligent control apparatus with energy saving effect | |
| CN103841694B (en) | A kind of light fixture | |
| CN113611572B (en) | Energy-saving control method of contactor | |
| CN202395738U (en) | Three-phase contactless switch module | |
| CN202364193U (en) | Single-phase contactless switch module | |
| CN202395740U (en) | Three-phase high-power contactless switch module | |
| CN205124079U (en) | LED (Light -Emitting diode) driving device | |
| CN102412818A (en) | Three-phase contactless switch | |
| CN202395739U (en) | Single-phase high-power contactless switch module | |
| CN2826672Y (en) | Permanent-magnetic contactor and its control device | |
| CN102412819A (en) | Single-phase contactless switch | |
| CN2896636Y (en) | Three-phase phase-lose protector | |
| CN201717800U (en) | Power supply device for ultra-large power silicon carbide smelting furnace and silicon carbide smelting device | |
| CN203104914U (en) | Improved LED (Lighting-Emitting Diode) driving circuit | |
| CN102412816A (en) | Three-phase high-power contactless switch | |
| CN106130176B (en) | A kind of miniature double loop power supply switch of band lightning protection | |
| CN205945225U (en) | Take miniature double - circuit power supply switcher of lightning protection | |
| CN205647277U (en) | Micropower is got can transformer device | |
| CN201845710U (en) | Arc extinguishing circuit of AC relay | |
| CN102412817A (en) | Single-phase high-power contactless switch | |
| CN205793510U (en) | A kind of AC LED circuit | |
| CN105992416A (en) | Electromagnetic heating control circuit and electromagnetic heating device | |
| CN203301357U (en) | Inverter load impedance match circuit structure | |
| CN202889740U (en) | Constant-current LED (light-emitting diode) voltage expansion circuit |
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: 20120822 Termination date: 20121208 |