CN203588003U - Three-phase electrical appliance automatic controller - Google Patents
Three-phase electrical appliance automatic controller Download PDFInfo
- Publication number
- CN203588003U CN203588003U CN201320792174.7U CN201320792174U CN203588003U CN 203588003 U CN203588003 U CN 203588003U CN 201320792174 U CN201320792174 U CN 201320792174U CN 203588003 U CN203588003 U CN 203588003U
- Authority
- CN
- China
- Prior art keywords
- relay
- electrical appliance
- electric apparatus
- phase electric
- phase electrical
- 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 discloses a three-phase electrical appliance automatic controller. The controller is connected with a three-phase electrical appliance control box. The controller comprises a first relay, a second relay and a relay drive circuit. The public end and the normally closed output end of the first relay and a stop button of the three-phase electrical appliance control box are connected in series. The public end and the normally open output end of the second relay and a start button of the three-phase electrical appliance control box are connected in parallel. The three-phase electrical appliance automatic controller provided by the utility model has the advantages of simple structure, convenient use and low cost. The automatic controller is added based on the original control box, so that three-phase electrical appliance automatic control can be realized, and at the same time manual control can be carried out.
Description
Technical field
The utility model relates to a kind of controller, relates in particular to a kind of three-phase electric apparatus self-actuated controller.
Background technology
Three-phase supply has three phase lines (live wire of conventionally saying) and a neutral line (zero line), and the voltage between phase line is 380V, and phase line is 220V to the voltage of zero line.In daily life, use single phase poaer supply, also referred to as power for illumination, but in industry or agricultural utilization, powerful electrical appliance is used three-phase supply conventionally more, and three-phase electric apparatus is including but not limited to three-phase electricity water pump, three-phase electricity fan blower, three phase electric machine etc.Three-phase electric apparatus is generally controlled by three-phase electric apparatus control box; three-phase electric apparatus control box mainly by: casing, air switch, fuse, A.C. contactor, motor protecter, button, signal lamp and wire form; it can carry out hand control switch easily, but can not automatically control the switch of three-phase electric apparatus.When three-phase electric apparatus needs frequent switch, control manually can increase cost of labor greatly, can not accurately control three-phase electric apparatus switching time.Because three-phase electric apparatus control box is necessarily connected on the place of 380V three-phase electricity, manual control also has certain potential safety hazard.Along with the development of electronic and intelligentized type, more and more need automatically to control three-phase electric apparatus.
Utility model content
The purpose of this utility model is to provide a kind of simple in structure, easy to use, three-phase electric apparatus self-actuated controller that cost is low; On original control box basis, add self-actuated controller, just can realize the automatic control of three-phase electric apparatus, also can manually control simultaneously.
To achieve these goals, the technical solution of the utility model is: a kind of three-phase electric apparatus self-actuated controller is provided, wherein, described this controller is connected with three-phase electric apparatus control box, and described controller comprises the first relay, the second relay and relay drive circuit; The stop button series connection of the common port of described the first relay and normally closed output terminal and three-phase electric apparatus control box; The start button of the common port of the second relay and Chang Kai output terminal and three-phase electric apparatus control box is in parallel.
Described relay drive circuit is including but not limited to optocoupler, triode, Darlington transistor, metal-oxide-semiconductor etc. and their combination.
Accompanying drawing explanation
Fig. 1 is the theory structure schematic diagram of the utility model three-phase electric apparatus self-actuated controller;
In figure: L1, L2, L3: three-phase supply; FU: fuse; ST: start button; STP: stop button; KM-1: three groups of contacts of A.C. contactor; KM-2: one group of contact of A.C. contactor; KM-3: ac contactor coil; QF: three-phase electric apparatus protector; M: three-phase electric apparatus; G1-1: the first relay coil; G1-2: the normally closed output terminal of the first relay; G2-1: the second relay coil; G2-3: the second relay normally open output terminal; QD: relay drive circuit.
Embodiment
In order to describe the technology contents, structural attitude of the utility model three-phase electric apparatus self-actuated controller in detail, below in conjunction with embodiment and coordinate accompanying drawing to be described further.
As shown in Figure 1, the utility model three-phase electric apparatus self-actuated controller is connected with three-phase electric apparatus control box, and described controller comprises the first relay, the second relay and relay drive circuit; Described controller comprises the first relay, the second relay and relay drive circuit; The common port of described the first relay and normally closed output terminal are connected with the stop button STP of three-phase electric apparatus control box; The start button ST of the common port of second relay and Chang Kai output terminal and three-phase electric apparatus control box is in parallel.
By relay drive circuit, control the switch that the first relay or the second relay are controlled three-phase electric apparatus.
Principle of work is as follows:
After pressing start button (often driving button) ST or the second relay normally open output terminal G2-3 engage relay common port, ac contactor coil KM-3 energising, the closed energising of A.C. contactor four groups of contact KM-1, KM-2, three-phase electric apparatus M energising, after start button ST recovery or the second relay recovery, the coil electricity of A.C. contactor is continued to make in one group of contact of A.C. contactor, and four groups of contacts of A.C. contactor continue closed, can make three-phase electric apparatus continue energising.
When pressing the normally closed button of stop button STP() or the normally closed output terminal G1-2 of the first relay disconnect after common port, ac contactor coil power-off, four groups of contacts of A.C. contactor disconnect, three-phase electric apparatus power-off, after stop button recovery or the first relay recovery, ac contactor coil KM-3 continues power-off, three-phase electric apparatus M power-off.So just realized and can carry out Switch Three-Phase electrical equipment by manual control button, also can drive pilot relay to realize by relay and automatically control three-phase electric apparatus.
Above disclosed is only preferred embodiment of the present utility model, certainly can not limit with this interest field of the utility model, and the equivalent variations of therefore doing according to the utility model claim, still belongs to the scope that the utility model is contained.
Claims (1)
1. three-phase electric apparatus self-actuated controller, is characterized in that: this controller is connected with three-phase electric apparatus control box, and described controller comprises the first relay, the second relay and relay drive circuit; The stop button series connection of the common port of described the first relay and normally closed output terminal and three-phase electric apparatus control box; The start button of the common port of the second relay and Chang Kai output terminal and three-phase electric apparatus control box is in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320792174.7U CN203588003U (en) | 2013-12-04 | 2013-12-04 | Three-phase electrical appliance automatic controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320792174.7U CN203588003U (en) | 2013-12-04 | 2013-12-04 | Three-phase electrical appliance automatic controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203588003U true CN203588003U (en) | 2014-05-07 |
Family
ID=50585895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320792174.7U Expired - Fee Related CN203588003U (en) | 2013-12-04 | 2013-12-04 | Three-phase electrical appliance automatic controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203588003U (en) |
-
2013
- 2013-12-04 CN CN201320792174.7U patent/CN203588003U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102878651A (en) | Intelligent inverter air conditioner with low standby power | |
| CN102833920A (en) | Junction box with signal detection switching from single control to double control | |
| CN103515800B (en) | A kind of standby zero-power-consumption energy-saving socket | |
| CN203588003U (en) | Three-phase electrical appliance automatic controller | |
| CN202513853U (en) | Electric sewing machine no-load energy saving unit based on Hall sensor | |
| CN202435637U (en) | Zero-power-consumption standby control circuit of electromagnetic induction heating device | |
| CN205901639U (en) | Central air conditioning water pump motor's starting circuit | |
| CN201753636U (en) | Stopping electromagnetic valve control device of diesel engine | |
| CN203787687U (en) | Cut-off type power-saving socket | |
| CN104333267B (en) | Star triangle intelligent soft starting controller based on PIC | |
| CN201490913U (en) | Multifunctional soft-touch power switch control circuit | |
| CN202940762U (en) | Dual-drive brushless electrical machine controller | |
| CN204333927U (en) | A kind of current foldback circuit exchanging electric drill | |
| CN205101211U (en) | Rotate circuit | |
| CN204216815U (en) | A kind of double speed water pump control circuit | |
| CN202772438U (en) | Energy saving power distribution box | |
| CN204006522U (en) | A kind of fan coil control system for intelligent building | |
| CN209378370U (en) | Fire pump intelligent patrol detection control cabinet | |
| CN203251254U (en) | A solid soft starting apparatus of a small-and-medium-sized air compressor | |
| CN203054478U (en) | Intelligent switch | |
| CN203313108U (en) | Circuit for controlling a plurality of blower fans of warp sizing machine | |
| CN203166509U (en) | Contactor capable of avoiding open-phase operation of power system for transformer station | |
| CN203219226U (en) | Shield machine air compressor frequency-sensitive rheostat starting control device | |
| CN206290420U (en) | Switch with automatic drainage function | |
| CN202084981U (en) | Manual bypass of LPMV high-voltage frequency converter system |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20181204 |