CN218648746U - Light-load electricity saver for alternating current motor - Google Patents
Light-load electricity saver for alternating current motor Download PDFInfo
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- CN218648746U CN218648746U CN202120060953.2U CN202120060953U CN218648746U CN 218648746 U CN218648746 U CN 218648746U CN 202120060953 U CN202120060953 U CN 202120060953U CN 218648746 U CN218648746 U CN 218648746U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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Abstract
The utility model discloses an alternating current motor underloading electricity-saving appliance, which comprises a housin, casing internally mounted has bidirectional thyristor, bidirectional thyristor is equipped with the dominant pole T 1 Pin and main pole T 2 A pin and a trigger electrode G pin, and a main electrode T 1 Pin, main pole T 2 The pin and the pin G of the trigger electrode are connected with a pressure-sensitive trigger circuit. Because the impedance of the AC motor is different under different load conditions, the current and voltage distribution in the circuit is changed, and the device is connected in series with the AC motorIn each phase circuit, because the bidirectional controllable silicon has the voltage-regulating current-limiting performance, the bidirectional controllable silicon automatically regulates the voltage and limits the current along with the change of the motor load through the arranged voltage-sensitive trigger circuit, so that the efficiency of the alternating current motor is greatly improved when the alternating current motor is lightly loaded, and the working state of a rated load is not influenced.
Description
Technical Field
The utility model relates to a motor energy-saving control equipment technical field, concretely relates to alternating current motor underload electricity-saving appliance.
Background
The total energy consumption of the motor accounts for more than half of the total industrial energy consumption, and the energy efficiency of the motor is an important factor for energy conservation and emission reduction. The efficiency of a general motor and the load factor of the motor are in a linear relation, the lower the load factor of the motor is, the lower the efficiency is, in practical use, the proportion of the working states of the motor with low load factor is very large, and in the energy-saving product catalogue, the motor light-load electricity-saving device has an independent clear catalogue.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an alternating current motor underloading electricity-saving appliance to solve the problem that proposes among the above-mentioned background art. In order to achieve the above object, the utility model provides a following technical scheme: the light-load power saver of the alternating current motor comprises a shell, wherein a bidirectional thyristor is arranged in the shell, and is provided with a main pole T 1 Pin and main pole T 2 A pin and a trigger electrode G pin, and a main electrode T 1 Pin and main pole T 2 The pin and the G pin of the trigger electrode are connected with a pressure-sensitive trigger circuit.
Preferably, the pressure-sensitive trigger circuit comprises a resistance component, a bidirectional trigger diode and a capacitor C 1 Capacitor C 2 One end of the resistance component is connected with the main pole T 1 The other end of the pin is connected with one end of a bidirectional trigger diode, the other end of the bidirectional trigger diode is connected with a trigger electrode G pin, and the capacitor C 1 One end is connected with the main pole T 2 A pin with the other end connected to the connection point of the resistance member and the bidirectional trigger diode, and a capacitor C 2 One end of the resistor is connected with a pin G of the trigger electrode, and the other end of the resistor is connected with the connecting point of the resistor component and the bidirectional trigger diode.
Preferably, the resistance member includes a resistor and a varistor, which are connected in parallel.
Preferably, the housing is an insulating housing.
The utility model discloses a technological effect and advantage: because the alternating current motor has different impedance under different load states, the current and voltage distribution in the circuit are changed, the device is connected in series in each phase circuit of the alternating current motor, and because the bidirectional controllable silicon has the voltage-regulating and current-limiting performance, the bidirectional controllable silicon automatically regulates the voltage and current according to the change of the motor load through the arranged voltage-sensitive trigger circuit, the efficiency of the alternating current motor is greatly improved when the alternating current motor is lightly loaded, and meanwhile, the rated load working state is not influenced.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the application of the present invention to connect single-phase motors;
fig. 3 is the utility model discloses connect three-phase motor and use the schematic diagram.
In the figure: 1-shell, 2-triac, 3-main pole T 1 Pin, 4-main pole T 2 Pin, 5-trigger electrode pin G, 6-resistance component, 7-bidirectional trigger diode and 8-capacitor C 1 9-capacitance C 2 10-resistor, 11-varistor, 12-supply terminal U, 13-supply terminal U 0 14-single-phase motor connecting terminal L, 15-single-phase motor connecting terminal N, 16-power terminal U 1 17-power supply terminal U 2 18-power supply terminal U 3 19-terminal L 1 20-terminal L 2 21-terminal connection L 3 22-single phase motor, 23-three phase motor.
Detailed Description
In order to make the technical means, the creative features, the objectives and the functions of the present invention easily understood and appreciated, the present invention will be further described with reference to the specific drawings, and in the description of the present invention, unless otherwise specified or limited, the terms "mounted," connected "and" connected "should be understood broadly, and for example, the terms" fixed connection, "detachable connection," integral connection, mechanical connection, and electrical connection may be used; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.
Example 1
As shown in fig. 1, the light-load power saver for the alternating current motor comprises a shell 1, wherein a bidirectional thyristor 2 is installed in the shell 1, and the bidirectional thyristor 2 is provided with a main pole T 1 Pin 3, main pole T 2 Pin 4 and trigger pole G pin 5, the main pole T 1 Pin 3, main pole T 2 The pin 4 and the pin 5 of the trigger electrode G are connected with a pressure-sensitive trigger circuit.
Example 2
As shown in fig. 1, the light-load power saver for the alternating current motor comprises a shell 1, wherein the shell 1 is an insulating shell, a bidirectional thyristor 2 is installed inside the shell, and the bidirectional thyristor 2 is provided with a main pole T 1 Pin 3, main pole T 2 Pin 4 and trigger pole G pin 5, the main pole T 1 Pin 3, main pole T 2 The pin 4 and the pin 5 of the trigger electrode G are connected with a pressure-sensitive trigger circuit; the pressure-sensitive trigger circuit comprises a resistance component 6, a bidirectional trigger diode 7 and a capacitor C 1 8. Capacitor C 2 9, one end of the resistance component 6 is connected with the main pole T 1 Pin 3, the other end is connected with one end of a bidirectional trigger diode 7, the other end of the bidirectional trigger diode 7 is connected with a trigger electrode G pin 5, and a capacitor C 1 8 one end is connected with the main pole T 2 A pin 4 with the other end connected to the connection point of a resistance member 6 and a bidirectional trigger diode 7, and a capacitor C 2 9 one end is connected trigger pole G pin 5, and the other end is connected in resistance component 6 and 7 junction point department of being connected in two-way trigger diode, resistance component 6 includes resistance 10 and piezo-resistor 11, resistance 10 and piezo-resistor 11 parallel connection.
Example 3
As shown in fig. 1 and 2, the light-load power saver for the alternating current motor comprises a shell 1, wherein the shell 1 is an insulating shell, a bidirectional thyristor 2 is installed inside the shell, and the bidirectional thyristor 2 is provided with a main pole T 1 Pin 3, main pole T 2 Pin 4 and trigger pole G pin 5, the main pole T 1 Pin 3, main pole T 2 The pin 4 and the pin 5 of the trigger electrode G are connected with a pressure-sensitive trigger circuit; the pressure-sensitive trigger circuit comprises a resistance component 6, a bidirectional trigger diode 7 and a capacitor C 1 8. Capacitor C 2 9, one end of the resistance component 6 is connected with the main pole T 1 Pin 3, the other end is connected with one end of a bidirectional trigger diode 7, the other end of the bidirectional trigger diode 7 is connected with a trigger electrode G pin 5, and a capacitor C 1 8 one end is connected with the main pole T 2 A pin 4 with the other end connected to the junction of a resistor member 6 and a diac 7, and a capacitor C 2 9 one end is connected with a trigger electrode G pin 5, the other end is connected with a resistance component 6 and is triggered bidirectionallyAt the connection joint of the diode 7, the resistance component 6 comprises a resistor 10 and a piezoresistor 11, and the resistor 10 and the piezoresistor 11 are connected in parallel;
the light-load electricity saver of the alternating current motor is used in a single-phase motor 22 circuit, and a power supply end U12 and a main pole T 1 Pin 3 connection, main pole T 2 The pin 4 is connected with a single-phase motor wiring terminal L14, and the single-phase motor 22 wiring terminal N15 is connected with a power supply end U 0 13, forming a loop; at the start of the single-phase motor 22, at the main pole T 1 Pin 3, main pole T 2 Before pin 4 is turned off, main pole T 1 Pin 3, main pole T 2 Static voltage at two ends of the pin 4 is close to external voltage, the voltage dependent resistor 11 in the resistor component 6 is conducted under high voltage, the current of the voltage dependent trigger circuit is maximum, and the main pole T is triggered 1 Pin 3, main pole T 2 The pin 4 is conducted in a saturation state, the single-phase motor 22 is normally started, and the main pole T is gradually started along with the motor 1 Pin 3, main pole T 2 The current and voltage distribution at the two ends of the pin 4 also changes and decreases rapidly, the voltage dependent resistor 11 is switched off in a conducting state, the current of the voltage dependent trigger circuit is reduced, and the main pole T 1 Pin 3, main pole T 2 The conduction flux of the pin 4 is also reduced, the lighter the load of the single-phase motor 22 is, the larger the inductive reactance is, the smaller the current of the voltage-sensitive trigger circuit is, and the main pole T is 1 Pin 3, main pole T 2 The smaller the conduction flux of the pin 4 is, the less the light-load current overflow of the single-phase motor is inhibited, when the single-phase motor 22 is in high load, the small inductance and the large current are generated, the voltage dependent resistor 11 is conducted, the maximum current of the voltage dependent trigger circuit is generated, and the main pole T is triggered 1 Pin 3, main pole T 2 The pin 4 is in saturation conduction and does not affect the rated working state of the single-phase motor 22.
Example 4
As shown in fig. 1 and 3, the light-load power saver for the alternating current motor comprises a shell 1, wherein the shell 1 is an insulating shell, a bidirectional thyristor 2 is installed inside the shell, and the bidirectional thyristor 2 is provided with a main pole T 1 Pin 3, main pole T 2 Pin 4 and trigger pole G pin 5, the main pole T 1 Pin 3, main pole T 2 The pin 4 and the pin 5 of the trigger electrode G are connected with a pressure-sensitive trigger circuit; the pressure-sensitive trigger circuit comprises a resistance component 6, a bidirectional trigger diode 7 and a capacitor C 1 8. Capacitor C 2 9, one end of the resistance component 6 is connected with the main pole T 1 Pin 3, the other end is connected with one end of a bidirectional trigger diode 7, the other end of the bidirectional trigger diode 7 is connected with a trigger electrode G pin 5, and a capacitor C 1 8 one end is connected with the main pole T 2 A pin 4 with the other end connected to the connection point of a resistance member 6 and a bidirectional trigger diode 7, and a capacitor C 2 One end of the resistor 9 is connected with a pin G5 of the trigger electrode, the other end of the resistor is connected with the joint of the resistor component 6 and the bidirectional trigger diode 7, the resistor component 6 comprises a resistor 10 and a piezoresistor 11, and the resistor 10 and the piezoresistor 11 are connected in parallel;
the light-load power saver of the alternating current motor is used in a three-phase motor 23 circuit, and a power supply end U 1 16. Power supply end U 2 17. Power supply end U 3 18 are respectively connected with the main poles T of the light-load electricity-saving devices of the alternating current motors in a one-to-one mode 1 Pin 3, three-phase motor 23's binding post L 1 19. Terminal L 2 20. Terminal L 3 21 are respectively connected with the main poles T of the light-load electricity-saving devices of the alternating current motors in a one-to-one mode 2 The pin 4, which is a light-load power saver for an ac motor connected in each phase of the power supply circuit, produces the same effects and effects as those described in embodiment 3.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (4)
1. The utility model provides an electricity-saving appliance of alternating current motor underload, includes the casing, its characterized in that: the shell is internally provided with a bidirectional thyristor which is provided with a main pole T 1 Pin and main pole T 2 A pin and a trigger electrode G pin, and a main electrode T 1 Pin and main pole T 2 Pin andand the pin G of the trigger electrode is connected with a pressure-sensitive trigger circuit.
2. The light-load power saver of the alternating current motor according to claim 1, characterized in that: the voltage-sensitive trigger circuit comprises a resistance component, a bidirectional trigger diode and a capacitor C 1 Capacitor C 2 One end of the resistance component is connected with the main pole T 1 The other end of the pin is connected with one end of a bidirectional trigger diode, the other end of the bidirectional trigger diode is connected with a trigger electrode G pin, and the capacitor C 1 One end is connected with the main pole T 2 A pin with the other end connected to the connection point of the resistance member and the bidirectional trigger diode, and a capacitor C 2 One end of the resistor is connected with a pin G of the trigger electrode, and the other end of the resistor is connected with the connecting point of the resistor component and the bidirectional trigger diode.
3. The light-load electricity saver of the alternating current motor according to claim 2, characterized in that: the resistance member includes a resistor and a varistor, which are connected in parallel.
4. The light-load power saver of the alternating current motor according to claim 1, characterized in that: the shell is an insulating shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120060953.2U CN218648746U (en) | 2021-01-11 | 2021-01-11 | Light-load electricity saver for alternating current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120060953.2U CN218648746U (en) | 2021-01-11 | 2021-01-11 | Light-load electricity saver for alternating current motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218648746U true CN218648746U (en) | 2023-03-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120060953.2U Active CN218648746U (en) | 2021-01-11 | 2021-01-11 | Light-load electricity saver for alternating current motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218648746U (en) |
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2021
- 2021-01-11 CN CN202120060953.2U patent/CN218648746U/en active Active
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