CN204256582U - A kind of three-phase electric appliance five notch power control device - Google Patents
A kind of three-phase electric appliance five notch power control device Download PDFInfo
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- CN204256582U CN204256582U CN201420295864.6U CN201420295864U CN204256582U CN 204256582 U CN204256582 U CN 204256582U CN 201420295864 U CN201420295864 U CN 201420295864U CN 204256582 U CN204256582 U CN 204256582U
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Abstract
The utility model discloses a kind of three-phase electric appliance five notch power control device, by A relay, B relay, C relay, temperature controller form, A relay, B relay and C relay and three-phase supply phase and load is corresponding is connected; One end of the coil of A relay, B relay, C relay is connected with one end of switch for temperature controller jointly, the other end of the coil of described A relay, B relay, C relay is provided with coil switch accordingly, the other end of switch for temperature controller is connected with the coil power of relay, and the other end of the coil power of relay connects with A relay, B relay, the corresponding coil switch arranged of C relay respectively.This device, by the connecting and disconnecting of pilot relay main contacts, realizes five kinds of different connected modes, realizes the control of different capacity, play energy-saving and cost-reducing effect.
Description
Technical field
The utility model relates to a kind of three-phase electric appliance output control device, is specifically related to a kind of three-phase electric appliance five notch power control device.
Background technology
At present three-phase electric appliance output control device, one is that original paper price is high, and production cost is high, and two is with relay or A.C. contactor by SCR control, but the power that can only carry out three gears controls.
Utility model content
The purpose of this utility model is: for prior art Problems existing, provides the three-phase electric appliance five notch power control device that a kind of structure is simple, cost is low, can realize the control of five kinds of different capacities, turn down electrical appliance power, play effect of energy.
To achieve these goals, the technical solution adopted in the utility model is:
A kind of three-phase electric appliance five notch power control device, by A relay, B relay, C relay, temperature controller form, one end of the main contact of A relay is successively connected with three-phase supply A phase and B load, and the other end of the main contact of A relay is connected with A load; One end of the main contact of B relay is connected with three-phase supply B, and the other end of the main contact of B relay is successively connected with A load and C load; One end of the main contact of C relay is connected with three-phase supply C phase and C load respectively, and the main contact other end of C relay is connected with B load; One end of the coil of A relay, B relay, C relay is connected with one end of switch for temperature controller jointly, the other end of the coil of described A relay, B relay, C relay is provided with coil switch accordingly, the other end of switch for temperature controller is connected with the coil power of relay, and the other end of the coil power of relay connects with A relay, B relay, the corresponding coil switch arranged of C relay respectively.
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are:
This three-phase electric appliance five notch power control device is by the energising of relay coil or the connecting and disconnecting of power-off pilot relay main contacts, thus five kinds of different connected modes of realization electric loading and three phase lines of three-phase supply, and then realize the control of five kinds of different capacities, according to power service condition, turn down electrical appliance power, play energy-saving and cost-reducing effect.
Accompanying drawing explanation
Fig. 1 is the wiring diagram of the utility model three-phase electric appliance five notch power control device.
Fig. 2 is the wiring diagram that this device A relay is energized separately.
Fig. 3 is the wiring diagram that this device B relay is energized separately.
Fig. 4 is the wiring diagram of this device A relay and C relay power.
Fig. 5 is the wiring diagram of this device A relay and B relay power.
Fig. 6 is the wiring diagram that this device A relay, B relay and C relay are all energized.
Mark in figure: 1-three-phase supply A phase, 2-three-phase supply B phase, 3-three-phase supply C phase, 4-A load, 5-B load, 6-C load, the sensor of 7-temperature controller, 8-temperature controller, 9-C relay, 10-B relay, 11-A relay.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment 1
The present embodiment is described for three-phase electricity heating noodle cooking stove.
As shown in Figure 1, a kind of three-phase electric appliance five notch power control device, by A relay 11, B relay 10, C relay 9 and temperature controller 8 form, one end of the main contact of A relay 11 is successively connected with three-phase supply A phase 1 and B load 5, and the other end of the main contact of A relay 11 is connected with A load 4; One end of the main contact of B relay 10 is connected with three-phase supply B phase 2, and the other end of the main contact of B relay 10 is successively connected with A load 4 and C load 6; One end of the main contact of C relay 9 is connected with three-phase supply C phase 3 and C load 6 respectively, and the main contact other end of C relay 9 is connected with B load 5; One end of the coil of A relay 11, B relay 10, C relay 9 is connected with one end of temperature controller 8 switch jointly, the other end of the coil of described A relay 11, B relay 10, C relay 9 is provided with coil switch accordingly, the other end of temperature controller 8 switch is connected with the coil power of relay, and the other end of the coil power of relay connects with A relay 11, B relay 10, the corresponding coil switch arranged of C relay 9 respectively.
The electric heating tube that described A load 4, B load 5, C load 6 are voltage 380V, power is P watt.
As shown in Figure 1, when not needing heating, the full no power of coil of A relay 11, B relay 10, C relay 9, A load 4, B load 5, C load 6 all fail to form loop with three-phase supply A phase 1, three-phase supply B phase 2 and three-phase supply C phase 3, A load 4, B load 5, C load 6 all no current are passed through, so equipment general power is zero.
As shown in Figure 2, when needs heat with 1 grade (minimum power shelves), the coil of A relay 11 obtains electric and the coil of B relay 10 and C relay 9 all must not be electric, A load 4 one end connects with C load 6, the other end of A load 4 is connected to three-phase supply A phase 1 through the main contact of A relay 11, the other end of C load 6 receives three-phase supply C phase 3, and B load 5 does not work, and equipment general power is 1/2P watt.
As shown in Figure 3, when needing with 2 grades of heating, the coil of B relay 10 obtains electric and the coil of A relay 11 and C relay 9 all must not be electric, C load 6 one end is connected to three-phase supply B phase 2 through the main contact of B relay 10, the other end is connected to three-phase supply C phase 3, and A load 4, B load 5 does not work, equipment general power is P watt.
As shown in Figure 4, when needing with 3 grades of heating, the coil of A relay 11 and C relay 9 all obtains electric and the coil of B relay 10 must not be electric, A load 4 one end connects with C load 6, the other end of A load 4 is received three-phase supply C phase 3, B load 5 one end through the other end that the main contact of A relay 11 is connected to three-phase supply A phase 1, C load 6 and is connected to three-phase supply A phase 1, the other end is connected to three-phase supply C phase 3 through the main contact of C relay 9, and equipment general power is (1+1/2) P watt.
As shown in Figure 5, when needing with 4 grades of heating, the coil of A relay 11 and B relay 10 all obtains electric and the coil of C relay 9 must not be electric, A load 4 one end is connected to three-phase supply B phase 2 through the main contact of B relay 10, the other end is connected to three-phase supply A phase 1 through the main contact of A relay 11, C load 6 one end is connected to three-phase supply B phase 2 through the main contact of B relay 10, and the other end is connected to three-phase supply C phase 3, and equipment general power is 2P watt.
As shown in Figure 6, when needing to heat with 5 grades (peak power shelves), the coil of A relay 11, B relay 10 and C relay 9 all obtains electric, A load 4 one end is connected to three-phase supply B phase 2 through the main contact of B relay 10, the other end is connected to three-phase supply A phase 1 through the main contact of A relay 11, C load 6 one end is connected to three-phase supply B phase 2 through the main contact of B relay 10, the other end is connected to three-phase supply C phase 1, B load 5 one end is connected to three-phase supply C phase 3 through the main contact of C relay, the other end is connected to three-phase supply A phase 1, and equipment general power is 3P watt.
The switch series of temperature controller 8 is connected on one end of each relay coil, when the sensor 7 of temperature controller detects that the temperature of heated object reaches temperature controller 8 design temperature lower limit temperature, and the switch connection of temperature controller 8; When the sensor 7 of temperature controller detects that the temperature of heated object reaches temperature controller 8 design temperature ceiling temperature, temperature controller 8 switch disconnects, when temperature controller 8 switch disconnects, no matter whether electric relay coil obtain, relay main contact all can not be connected, thus realizes Zi Dong Heng temperature control effect.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (1)
1. a three-phase electric appliance five notch power control device, by A relay (11), B relay (10), C relay (9), temperature controller (8) form, it is characterized in that: one end of the main contact of A relay (11) is successively connected with three-phase supply A phase (1) and B load (5), and the other end of the main contact of A relay (11) is connected with A load (4); One end of the main contact of B relay (10) is connected with three-phase supply B phase (2), and the other end of the main contact of B relay (10) is successively connected with A load (4) and C load (6); One end of the main contact of C relay (9) is connected with three-phase supply C phase (3) and C load (6) respectively, and the main contact other end of C relay (9) is connected with B load (5); One end of the coil of A relay (11), B relay (10), C relay (9) is connected with one end of temperature controller (8) switch jointly, the other end of the coil of described A relay (11), B relay (10), C relay (9) is provided with coil switch accordingly, the other end of temperature controller (8) switch is connected with the coil power of relay, and the other end of the coil power of relay connects with A relay (11), B relay (10), the corresponding coil switch arranged of C relay (9) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420295864.6U CN204256582U (en) | 2014-06-05 | 2014-06-05 | A kind of three-phase electric appliance five notch power control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420295864.6U CN204256582U (en) | 2014-06-05 | 2014-06-05 | A kind of three-phase electric appliance five notch power control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204256582U true CN204256582U (en) | 2015-04-08 |
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ID=52960868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420295864.6U Expired - Fee Related CN204256582U (en) | 2014-06-05 | 2014-06-05 | A kind of three-phase electric appliance five notch power control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204256582U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105141148A (en) * | 2015-08-13 | 2015-12-09 | 崔得江 | Adjustable power change switch |
| CN105320204A (en) * | 2014-06-05 | 2016-02-10 | 成都市东和兴科节能技术研究所 | Five-gear power control device for three-phase electric apparatus |
| CN106918123A (en) * | 2017-04-05 | 2017-07-04 | 珠海格力电器股份有限公司 | Three-phase electricity heater control device and method |
-
2014
- 2014-06-05 CN CN201420295864.6U patent/CN204256582U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105320204A (en) * | 2014-06-05 | 2016-02-10 | 成都市东和兴科节能技术研究所 | Five-gear power control device for three-phase electric apparatus |
| CN105320204B (en) * | 2014-06-05 | 2018-06-22 | 成都市东和兴科节能技术研究所 | A kind of five notch power control device of three-phase electric appliance |
| CN105141148A (en) * | 2015-08-13 | 2015-12-09 | 崔得江 | Adjustable power change switch |
| CN106918123A (en) * | 2017-04-05 | 2017-07-04 | 珠海格力电器股份有限公司 | Three-phase electricity heater control device and method |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20160605 |