CN114498211B - Intelligent socket with comprehensive management and control function for power utilization efficiency - Google Patents

Abstract

The invention discloses an intelligent socket with the function of comprehensive management and control of power consumption and energy efficiency, which includes a housing, an end cover, a zero line crimping seat, a ground line crimping seat, a live line crimping seat, a crimping bolt, a No. 1 conductive sheet, No. 2 conductive sheet, No. 3 conductive sheet, upper zero line elastic clip, lower zero line elastic clip, ground wire elastic clip, upper elastic clip, lower elastic clip, control part, the front end of the housing is equipped with an end cover, and the The rear part of the housing is fixed with zero line crimping seat, ground line crimping seat and live line crimping seat successively from left to right. The crimping bolts are all made of conductive materials. In the present invention, by pressing the corresponding insulating rod, the corresponding contact conductive plate can be brought into contact with the upper elastic clip or the lower elastic clip, so as to realize the communication between the live wire and the upper live wire elastic clip or the connection between the live wire and the lower live wire elastic clip, and then realize the connection to the Two-pin plug or triangular plug is used for electric power supply.

Description

A smart socket with comprehensive control functions for power consumption and energy efficiency

technical field

The invention relates to a socket, in particular to an intelligent socket with the function of comprehensive management and control of power consumption and energy efficiency.

Background technique

During daily electricity use, when various electrical appliances are plugged into sockets through two-pin plugs or three-pin plugs, they are often in a standby state, and the electrical appliances in the standby state will not only consume a certain amount of electric energy, but also cause damage to the internal electronics of the electrical appliances. For example, after charging the mobile phone, the charger is still plugged into the socket. At this time, because the charger can no longer supply power to the mobile phone, the charger is in the no-load state at this time, and for a long time An empty charger will cause damage to its internal electronic components, thereby reducing its service life, while the traditional socket cannot automatically power off the electrical appliances in the standby state, highlighting its shortcomings.

Contents of the invention

The object of the present invention is to provide a smart socket with comprehensive management and control functions of power consumption and energy efficiency, so as to solve the above technical problems.

To achieve the above object, the present invention adopts the following technical solutions:

A smart socket with comprehensive management and control functions for power consumption and energy efficiency, including a housing, an end cover, a zero line crimping seat, a grounding line crimping seat, a live line crimping seat, a crimping bolt, a No. 1 conductive piece, and a No. 2 conductive piece , No. 3 conductive sheet, upper zero line elastic clip, lower zero line elastic clip, ground wire elastic clip, upper elastic clip, lower elastic clip, control part, the front end of the housing is equipped with an end cover, and the rear part of the housing From left to right, the zero line crimping seat, the ground line crimping seat and the live line crimping seat are fixed in turn, and the zero line crimping seat, the ground line crimping seat and the live line crimping seat are respectively threaded with crimping bolts, And they are all made of conductive materials, the front end of the zero line crimping seat is fixed with a No. 1 conductive sheet, the front end of the ground line crimping seat is fixed with a No. 2 conductive sheet, and the front end of the live line crimping seat is fixed with a No. 3 conductive sheet. The upper part of the No. 1 conductive sheet is fixed with an upper zero line elastic clip, and the bottom is fixed with a lower zero line elastic clip. The front end of the No. 2 conductive sheet is fixed with a ground wire elastic clip, and the upper part of the No. 3 conductive sheet is fixed with an upper elastic clip. clip, and the bottom is fixed with a lower elastic clip, the openings of the upper zero line elastic clip, the lower zero line elastic clip and the ground wire elastic clip are all forward, and the openings of the upper elastic clip and the lower elastic clip are all to the right, so The control part is installed on the right part of the housing.

On the basis of the above technical solution, the control part includes an upper controller, a lower controller, an upper live wire elastic clip, an upper electromagnet, an upper main contact rod, a lower live wire elastic clip, a lower electromagnet, a lower main contact rod, and a guide cylinder , main permanent magnet, insulating rod, metal sheet, auxiliary contact rod, insulating plate, contact conductive plate, auxiliary permanent magnet, control system, power storage module, timing module, current monitoring module, processing module, the right part of the housing is from An upper controller and a lower controller are installed in sequence from top to bottom. The upper part of the upper controller is fixed with an elastic clip of the upper live wire, and is electrically connected to the No. 1 conductive sheet through a wire. The right part of the upper controller is fixed with an upper The electromagnet and the upper main contact rod, the bottom of the lower controller is fixed with a lower live wire elastic clip, and is electrically connected to the No. 1 conductive sheet through a wire, and the openings of the upper live wire elastic clip and the lower live wire elastic clip are forward , the right part of the lower controller is fixed with a lower electromagnet and a lower main contact rod, the upper and lower parts of the right part of the housing are respectively fixed with guide cylinders, and the outer walls of the left parts of the two guide cylinders are respectively fixed with main permanent magnets, and Insulating rods are respectively slidably connected, and the insulating rods are in the shape of a rectangular column. The outer walls of the left parts of the two insulating rods are respectively fixed with metal sheets, and the left ends are respectively fixed with auxiliary contact rods. The outer peripheral walls of the two auxiliary contact rods are respectively fixed with insulating plate and a contact conductive plate, the left ends of the two insulating plates are respectively fixed with secondary permanent magnets, the upper controller and the lower controller are respectively equipped with a control system, and the control system consists of a power storage module, a timing module, and a current monitoring module. and processing modules.

On the basis of the above technical solution, there are sockets corresponding to the upper zero wire elastic clip, the lower zero wire elastic clip, the ground wire elastic clip, the upper live wire elastic clip and the lower live wire elastic clip through the front and rear directions of the end cover. The upper controller is electrically connected to the elastic clip of the upper live wire, the lower controller is electrically connected to the elastic clip of the lower live wire, and the upper electromagnet and the lower electromagnet can be magnetically attracted to the auxiliary permanent magnet when no power is applied. The upper electromagnet and the lower electromagnet can magnetically repel the auxiliary permanent magnet when energized, and the upper and lower electromagnets can make the two pairs of contact rods and the upper main contact rod and the auxiliary permanent magnet magnetically attract each other. The lower main contact rods are in contact, and when the upper main contact rods and the lower main contact rods are in contact with the two secondary contact rods, the two contact conductive plates are in contact with the upper elastic clip and the lower elastic clip, and the two main permanent magnets can be connected to the two The metal sheets are magnetically attracted together. When the two main permanent magnets are attracted to the two metal sheets, the two contact conductive plates are out of contact with the upper elastic clip and the lower elastic clip. The power storage module is used to store and release electric energy. The timing module is used for timing, the current monitoring module is used for monitoring the magnitude of the current flowing through the upper controller or the lower controller, and the processing module analyzes the data generated by the timing module and the current monitoring module and performs Discharge control, the power storage module in the upper controller is electrically connected to the upper electromagnet, the power storage module in the lower controller is electrically connected to the lower electromagnet, and the power storage module can discharge to the The corresponding upper electromagnet or lower electromagnet is energized.

Compared with the prior art, the present invention has the following advantages: by pressing the corresponding insulating rod, the present invention can make the corresponding contact conductive plate contact the upper elastic clip or the lower elastic clip, thereby realizing the communication between the live wire and the upper live wire elastic clip Or the connection between the live wire and the elastic clip of the lower live wire, and then realize the power supply to the electrical appliances with two-pin plugs or triangular plugs. At this time, the control system is powered on and monitors the passing current. The electric module discharges, and at this time the corresponding upper electromagnet or the lower electromagnet is energized, so that the corresponding auxiliary permanent magnet and the upper electromagnet or the lower electromagnet are magnetically repelled, and then the corresponding insulating rod slides to the right, and Finally, the corresponding metal sheet is magnetically adsorbed to the corresponding main permanent magnet. At this time, the corresponding contact conductive plate can be disengaged from the upper elastic clip or the lower elastic clip, and then the upper live wire elastic clip or the lower live wire elastic clip cannot be separated from the upper elastic clip. The live wires are connected, so as to realize the automatic power-off of the corresponding electrical appliances, and then solve the disadvantages of electric energy waste and electronic device damage caused by the electrical appliances being unloaded for a long time.

Description of drawings

Fig. 1 is a structural schematic diagram of the present invention.

Fig. 2 is a schematic diagram of the front structure of the casing of the present invention.

Fig. 3 is a schematic diagram of the back structure of the casing of the present invention.

Fig. 4 is a front view of the casing of the present invention.

Fig. 5 is a schematic diagram of the composition of the control system of the present invention.

In the figure: 1. Shell, 2. End cover, 3. Zero line pressure seat, 4. Ground line pressure seat, 5. Live line pressure seat, 6. Pressure bolt, 7. No. 1 conductive sheet, 8 , No. 2 conductive sheet, 9, No. 3 conductive sheet, 10, upper zero line elastic clip, 11, lower zero line elastic clip, 12, ground wire elastic clip, 13, upper elastic clip, 14, lower elastic clip, 15, Control part, 16, upper controller, 17, lower controller, 18, upper live wire elastic clip, 19, upper electromagnet, 20, upper main touch rod, 21, lower live wire elastic clip, 22, lower electromagnet, 23, Lower main contact rod, 24, guide cylinder, 25, main permanent magnet, 26, insulating rod, 27, sheet metal, 28, auxiliary contact rod, 29, insulating plate, 30, contact conductive plate, 31, auxiliary permanent magnet, 32 . Control system. 33. Electric storage module. 34. Timing module. 35. Current monitoring module. 36. Processing module. 37. Socket.

Detailed ways

The present invention will be further elaborated below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figure 1-5, a smart socket with comprehensive management and control functions for power consumption and energy efficiency includes a housing 1, an end cover 2, a zero line pressure seat 3, a ground line pressure seat 4, a live line pressure seat 5, Crimping bolt 6, No. 1 conductive piece 7, No. 2 conductive piece 8, No. 3 conductive piece 9, upper zero line elastic clip 10, lower zero line elastic clip 11, ground wire elastic clip 12, upper elastic clip 13, lower elastic Clip 14, control part 15, the front end of the housing 1 is equipped with an end cover 2, and the rear of the housing 1 is fixed with a zero line crimping seat 3, a ground line crimping seat 4 and a live line crimping seat in sequence from left to right Seat 5, the zero line crimping seat 3, the ground line crimping seat 4 and the live line crimping seat 5 are respectively threaded with crimping bolts 6, and are all made of conductive materials. The front end of the zero line crimping seat 3 A No. 1 conductive sheet 7 is fixed, a No. 2 conductive sheet 8 is fixed at the front end of the ground wire pressing seat 4, a No. 3 conductive sheet 9 is fixed at the front end of the live line pressing seat 5, and an upper part of the No. 1 conductive sheet 7 is fixed. The zero line elastic clip 10, and the lower zero line elastic clip 11 is fixed at the bottom, the ground wire elastic clip 12 is fixed at the front end of the No. 2 conductive sheet 8, the upper elastic clip 13 is fixed on the top of the No. 3 conductive sheet 9, and the bottom The lower elastic clip 14 is fixed, and the openings of the upper zero line elastic clip 10, the lower zero line elastic clip 11 and the ground wire elastic clip 12 are all forward, so as to facilitate contact with the pins of the plug. The upper elastic clip 13 and The openings of the lower elastic clips 14 are all to the right, so as to facilitate contact with the contacting conductive plate 30 , and the right part of the housing 1 is equipped with a control part 15 .

The control part 15 includes an upper controller 16, a lower controller 17, an upper live wire elastic clip 18, an upper electromagnet 19, an upper main contact rod 20, a lower live wire elastic clip 21, a lower electromagnet 22, a lower main contact rod 23, Guide cylinder 24, main permanent magnet 25, insulating rod 26, metal sheet 27, auxiliary contact rod 28, insulating plate 29, contact conductive plate 30, auxiliary permanent magnet 31, control system 32, power storage module 33, timing module 34, current Monitoring module 35, processing module 36, the upper controller 16 and the lower controller 17 are installed in sequence from top to bottom on the right part of the housing 1, the upper part of the upper controller 16 is fixed with an upper fire wire elastic clip 18, and through the wire It is electrically connected with the No. 1 conductive sheet 7, the upper electromagnet 19 and the upper main contact rod 20 are fixed on the right part of the upper controller 16, and the lower live wire elastic clip 21 is fixed on the bottom of the lower controller 17, and the wire It is electrically connected with the No. 1 conductive sheet 7, the openings of the upper live wire elastic clip 18 and the lower live wire elastic clip 21 are both forward, and the lower controller 17 is fixed with a lower electromagnet 22 and a lower main contact rod 23 on the right The upper and lower parts of the right part of the housing 1 are respectively fixed with guide cylinders 24. The guide cylinders 24 are used to better guide the sliding of the insulating rod 26. The outer walls of the left parts of the two guide cylinders 24 are respectively fixed with main Permanent magnets 25, and insulating rods 26 are respectively slidably connected, and the insulating rods 26 are in the shape of a rectangular column, so as to prevent the insulating rods 26 from rotating compared with the guide cylinder 24, and the outer walls of the left parts of the two insulating rods 26 are respectively fixed with metal sheets 27 , and the left ends are respectively fixed with auxiliary contact rods 28, the outer peripheral walls of the two auxiliary contact rods 28 are respectively fixed with insulating plates 29 and contact conductive plates 30, and the left ends of the two insulating plates 29 are respectively fixed with auxiliary permanent magnets 31, the A control system 32 is respectively installed in the upper controller 16 and the lower controller 17 , and the control system 32 consists of a power storage module 33 , a timing module 34 , a current monitoring module 35 and a processing module 36 .

The front and rear directions of the end cover 2 are penetrated with sockets 32 corresponding to the upper neutral wire elastic clip 10, the lower zero wire elastic clip 11, the ground wire elastic clip 12, the upper live wire elastic clip 18 and the lower live wire elastic clip 21. The upper controller 16 is electrically connected with the upper live wire elastic clip 18, the lower controller 17 is electrically connected with the lower live wire elastic clip 21, and the upper electromagnet 19 and the lower electromagnet 22 can be connected with the auxiliary The permanent magnet 31 is magnetically attracted, so as to ensure that the two auxiliary contact rods 28 can be well in contact with the upper main contact rod 20 and the lower main contact rod 23, and the upper electromagnet 19 and the lower electromagnet 22 can be in contact with the auxiliary contact rod when energized. The permanent magnet 31 is magnetically repelled, and when the upper electromagnet 19 and the lower electromagnet 22 are magnetically attracted to the secondary permanent magnet 31, the two secondary contact rods 28 can be in contact with the upper main contact rod 20 and the lower main contact rod 23. When the above-mentioned upper main contact rod 20 and the lower main contact rod 23 are in contact with the two auxiliary contact rods 28, the two contact conductive plates 30 are in contact with the upper elastic clip 13 and the lower elastic clip 14, and the two main permanent magnets 25 can be connected with the two metal The pieces 27 are magnetically attracted together, which can prevent the insulating rod 26 from sliding to the left under non-artificial actions while helping the insulating rod 26 to slide to the right, so as to avoid wrong electrification. The two main permanent magnets 25 and the two metal sheets 27 When the two contact conductive plates 30 are out of contact with the upper elastic clip 13 and the lower elastic clip 14 when they are pulled together, the power storage module 33 is used to store and release electric energy, the timing module 34 is used for timing, and the current monitoring module 35 Used to monitor the magnitude of the current flowing through the upper controller 16 or the lower controller 17, the processing module 36 analyzes the data generated by the timing module 34 and the current monitoring module 35 and controls the discharge of the power storage module 33, the The power storage module 33 in the upper controller 16 is electrically connected to the upper electromagnet 19, and the power storage module 33 in the lower controller 17 is electrically connected to the lower electromagnet 22. When the power storage module 33 is discharged It is possible to energize the corresponding upper electromagnet 19 or lower electromagnet 22 .

The working principle of the present invention is to connect the zero line crimping seat 3, the ground line crimping seat 4 and the live line crimping seat 5 with the neutral line, the ground line and the live line respectively through the crimping bolt 6. The metal sheet 27 is magnetically adsorbed to the main permanent magnet 25, and the two insulating rods 26 protrude from the right part of the housing 1, and the prongs of the two-pin plug or the triangular plug are inserted into the corresponding socket 32, so that the prongs are inserted along the corresponding socket 32. Openings of the upper zero wire elastic clip 10, the lower zero wire elastic clip 11, the ground wire elastic clip 12, the upper live wire elastic clip 18 and the lower live wire elastic clip 21 and the upper zero wire elastic clip 10, the lower zero wire elastic clip 11, and the ground wire The elastic clip 12, the upper live wire elastic clip 18 and the lower live wire elastic clip 21 are in contact. At this time, due to the magnetic adsorption of the two metal sheets 27 and the main permanent magnet 25, the two contact conductive plates 30 are not connected with the upper elastic clip 13 and the lower elastic clip 14. contact with each other, so that the elastic clip 18 of the upper live wire and the elastic clip 21 of the lower live wire cannot be connected with the live wire, and then cannot supply power to the corresponding electrical appliance. Corresponding insulating rod 26, then because the leftward movement of insulating rod 26 can finally make corresponding auxiliary permanent magnet 31 and upper electromagnet 19 or lower electromagnet 22 phase magnetic attraction, then make corresponding secondary contact rod 28 and upper main contact The rod 20 or the lower main contact rod 23 is in contact, and at this time the corresponding contact conductive plate 30 will be in contact with the corresponding upper elastic clip 13 or lower elastic clip 14, thereby realizing the connection between the live wire and the upper live wire elastic clip 18 or the live wire The communication with the elastic clip 21 of the lower live wire, and then realize the power supply to the electric appliance of the two-pin plug or the electric appliance of the triangular plug. The size of the current passed through is monitored, and the power storage module 33 stores energy, and when the electrical appliance is in a standby state, its energy consumption will be far less than that of its normal work, so when it is in a standby state, it will pass through the upper controller 16 or The current of the lower controller 17 will also be far less than the current during its normal operation. At this time, the processing module 36 in the control system 32 monitors the obvious reduction of the current through the current monitoring module and uses the timing module 34 to perform timing. When this state continues During a period of time, the processing module 36 controls the power storage module 33 to discharge. At this time, the corresponding upper electromagnet 19 or the lower electromagnet 22 is energized, so that the corresponding auxiliary permanent magnet 31 and the upper electromagnet 19 or the lower electromagnet 22 are magnetically connected. Repulsion, and then make the corresponding insulating rod 26 slide to the right, and finally make the corresponding metal sheet 27 and the corresponding main permanent magnet 25 phase magnetic adsorption, now you can make the corresponding contact conductive plate 30 and the upper elastic clip 13 or lower The elastic clip 14 is out of contact, and then the elastic clip 18 of the upper live wire or the elastic clip 21 of the lower live wire cannot be connected with the live wire, so as to completely cut off the power to the corresponding electrical appliance, and the corresponding upper controller 16 or lower controller 17 Due to the loss of the supply of electric energy, the control system of the control system will stop accumulating energy to the corresponding power storage module 33, and the corresponding upper electromagnet 19 or lower electromagnet 22 will return to the normal state after exhausting the electric energy stored in the corresponding power storage module 33. working state, and when it is necessary to use electricity again, it only needs to press the corresponding insulating rod 26 again.

The above are preferred embodiments of the present invention. For those of ordinary skill in the art, according to the teachings of the present invention, without departing from the principle and spirit of the present invention, the changes, modifications, Alternatives and modifications still fall within the protection scope of the present invention.

Claims (2)

1. The utility model provides an intelligent socket with electric energy efficiency comprehensive management and control function, includes casing (1), end cover (2), zero line seat (3), ground wire seat (4), live wire seat (5), line ball bolt (6), no. one conducting strip (7), no. two conducting strips (8), no. three conducting strips (9), go up zero line elasticity clamp (10), lower zero line elasticity clamp (11), ground wire elasticity clamp (12), go up elasticity clamp (13), elasticity clamp (14), control portion (15), its characterized in that down: an end cover (2) is arranged at the front end of the shell (1), a zero line pressing seat (3), a ground line pressing seat (4) and a live line pressing seat (5) are sequentially fixed at the rear end of the shell (1) from left to right, a pressing bolt (6) is respectively connected with the zero line pressing seat (3), the ground line pressing seat (4) and the live line pressing seat (5) in a threaded mode, the zero line pressing seat (3) is made of conductive materials, a first conductive sheet (7) is fixed at the front end of the zero line pressing seat (3), a second conductive sheet (8) is fixed at the front end of the ground line pressing seat (4), a third conductive sheet (9) is fixed at the front end of the live line pressing seat (5), an upper zero line elastic clip (10) is fixed at the upper portion of the first conductive sheet (7), a lower zero line elastic clip (11) is fixed at the bottom of the second conductive sheet (8), an upper elastic clip (13) is fixed at the upper portion of the third conductive sheet (9), a lower elastic clip (14) is fixed at the bottom of the third conductive sheet, an upper elastic clip (10), a lower elastic clip (12) is fixed at the upper portion of the third conductive sheet (12) and an elastic clip (14) is open to the right, and the upper elastic clip (13) is open to the right is controlled by the upper elastic clip (14);

the control part (15) comprises an upper controller (16), a lower controller (17), an upper live wire elastic clamp (18), an upper electromagnet (19), an upper main feeler lever (20), a lower live wire elastic clamp (21), a lower electromagnet (22), a lower main feeler lever (23), a guide cylinder (24), a main permanent magnet (25), an insulating rod (26), a metal sheet (27), a secondary feeler lever (28), an insulating plate (29), a contact conductive plate (30), a secondary permanent magnet (31), a control system (32), an electric storage module (33), a timing module (34), a current monitoring module (35) and a processing module (36), wherein the right part of the shell (1) is sequentially provided with the upper controller (16) and the lower controller (17) from top to bottom, the upper part of the upper controller (16) is fixedly provided with the upper live wire elastic clamp (18) and is electrically connected with a first conductive sheet (7) through a wire, the right part of the upper controller (16) is fixedly provided with the upper electromagnet (19) and the upper main feeler lever (20), the bottom of the lower controller (17) is fixedly provided with the lower elastic clamp (21) and is electrically connected with the upper live wire elastic clamp (21) through a wire elastic clamp (21) and the upper live wire elastic clamp (18) from top to bottom of the upper live wire elastic clamp, lower electro-magnet (22) and lower main feeler lever (23) are fixed with in lower controller (17) right part, two are fixed with guide cylinder (24) respectively about casing (1) right part, two guide cylinder (24) left part outer wall is fixed with main permanent magnet (25) respectively, and sliding connection has insulating rod (26) respectively, insulating rod (26) are rectangular column, two metal sheet (27) are fixed respectively to insulating rod (26) left part outer wall, and the left end is fixed with vice feeler lever (28) respectively, two vice feeler lever (28) outer circumference wall is fixed with insulation board (29) and contact conducting plate (30) respectively, two vice permanent magnet (31) are fixed with respectively in insulation board (29) left end, control system (32) are installed respectively in upper controller (16) and lower controller (17), control system (32) are by electric power storage module (33), timing module (34), current monitoring module (35) and processing module (36).

2. The smart jack with comprehensive management and control function for energy efficiency according to claim 1, wherein: the end cover (2) is penetrated with a socket (32) corresponding to the upper zero line elastic clamp (10), the lower zero line elastic clamp (11), the ground wire elastic clamp (12), the upper live wire elastic clamp (18) and the lower live wire elastic clamp (21) in the front-back direction, the upper controller (16) is electrically connected with the upper live wire elastic clamp (18), the lower controller (17) is electrically connected with the lower live wire elastic clamp (21), the upper electromagnet (19) and the lower electromagnet (22) can magnetically attract the auxiliary permanent magnet (31) when not electrified, the upper electromagnet (19) and the lower electromagnet (22) can magnetically repel the auxiliary permanent magnet (31) when electrified, the upper electromagnet (19) and the lower electromagnet (22) can magnetically attract the auxiliary permanent magnet (31) so that the two pairs of contact rods (28) are in contact with the upper main contact rod (20) and the lower main contact rod (23), the upper main contact rod (20) and the lower main contact rod (23) are in contact with the two pairs of contact plates (28) and the two conductive plates (13) can magnetically attract the two permanent magnets (25) when electrified, two main permanent magnet (25) and two sheetmetal (27) inhale when two contact current conducting plates (30) and go up elastic clamp (13) and lower elastic clamp (14) and break away from the contact, electric power storage module (33) are used for storing electric energy and releasing electric energy, timing module (34) are used for the timing, current monitoring module (35) are used for monitoring the electric current size that flows through last controller (16) or lower controller (17), processing module (36) carry out the analysis and discharge control to electric power storage module (33) to the data that timing module (34) and current monitoring module (35) produced, electric power storage module (33) in last controller (16) are connected with electric power on it (19), electric power storage module (33) in lower controller (17) are connected with electric power on it down electro-magnet (22), electric power can be switched on to corresponding last electro-magnet (19) or lower electro-magnet (22) when electric power storage module (33) discharges.

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