US1200646A - Time-lag relay. - Google Patents

Time-lag relay. Download PDF

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Publication number
US1200646A
US1200646A US6899815A US6899815A US1200646A US 1200646 A US1200646 A US 1200646A US 6899815 A US6899815 A US 6899815A US 6899815 A US6899815 A US 6899815A US 1200646 A US1200646 A US 1200646A
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receptacle
frame
liquid
working position
electromagnet
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US6899815A
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Wilhelm Henning Petersen
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/34—Electromagnetic mechanisms having two or more armatures controlled by a common winding
    • H01H71/345—Electromagnetic mechanisms having two or more armatures controlled by a common winding having a delayed movable core and a movable armature

Definitions

  • This invention relates to time lag relays for closing or breaking electric circuits of the type in which the retardation is effected by a liquid flowing slowly from one portion of a receptacle to another portion thereof.
  • Hitherto existing devices of this kind are generally connected with several inconveniences. Thus for instance, they are to such an extent depending on frictional resistances, that they easily come to a standstill; further, certain parts of the devices are exposed to great tear, so that they become soon worn out, while in other cases the devices require too great driving force without possessing, nevertheless, sufficient safety of working.
  • the time cannot be extended by repeated closing of the working current, it being necessary first to allow the apparatus to conclude its work during the determined period.
  • the object of the invention is to devise a time lag relay for closing or breaking electric circuits by means of a liquid flowing from a part of a receptacle to another part thereof, which relay is of a simple, durable and reliable construction not liable to get out of order and, consequently, free from the inconveniences mentioned.
  • a receptacle containing the liquid is pivoted in a pivotally mounted frame or the like in such manner, that when the receptacle is moved to working position, while the liquid at the same time moves from one part of the receptacle to another part thereof, the center of gravity common to the receptacle and the liquid lies between the vertical planes through the pivots of the receptacle and of the frame, while, after the liquid has flowed back to the first named part of the receptacle, the point of gravity is moved past the vertical plane through the pivot of the frame.
  • FIG. 1 shows the device partially in' Specification of Letters Patent.
  • Fig. 2 is a horizontal view thereof.
  • Fig. 3 shows the device in the first stage of working position, the receptacle being attracted by the electromagnet.
  • Fig. at shows the device in the second stage of working position, the receptacle being released from the electromagnet, before the liquid has returned to its normal position in the receptacle.
  • 1 designates a closed angular receptacle of sheet iron, which is provided with a partition wall 2 tightly connected with the side walls and bottom of the receptacle, but leaving an open space at the top.
  • the said partition wall is provided with a small aperture 3.
  • the lower portion of the receptacle 1 is in the position shown in Fig. 1 partially filled with a liquid.
  • the receptacle 1 is by means of pivots 4 pivoted in a frame 5, which in turn by edges or pivots is pivotally mounted in a bearing 6 secured to a bedplate. Fixed to the frame 5 is a stop 7 for the receptacle.
  • the stops 8 and 9 are stops secured to any suitable part of the device, for instance to the bedplate, and adapted to limit the movements of the frame.
  • Thestop 9 is provided with a set-screw serving to control the working period of the device.
  • the contacts 10 and 12 are an insulated contact attached to any suitable part of the device, for instance to the bed-plate, and adapted to make contact with the spring 10 in the working position of the device.
  • the contacts 10 and 12 form a switch for the lamp circuit controlled by the relay.
  • the receptacle 1 is an electromagnet preferably secured to the bed-plate and the pole-shoes of which are so arranged that the receptacle 1 may move between them.
  • the device described operates as follows: When the circuit of the electromagnet 13 is closed, the receptacle 1 acts as an armature and is attracted between the pole-shoes of the electromagnet, until the frame 5 strikes the set-screw of the stop 9. The receptacle now occupies the position shown in Fig. 3, in which position the liquid flows from the left part of the receptacle past the to of the partition Wall 2 to the right part o the receptacle. As soon as the circuit of the electromagnet is broken, the receptacle swings back so as to strike the stop 7, because the center of gravity of the receptacle lies to the left of the vertical plane through the pivots 4.
  • the frame 5 remains still touching the screw of the stop 9, as the center of gravity common to the receptacle and the frame lies to the rightof the vertical plane through the pivot 6.
  • the frame remains in the position shown in Fig. 4: until through the aperture 3 of the partition wall 2 has passed a quantity of the liquid sullicicnt to move the mentioned common center of gravity to the left of the pivot 6.
  • a control of the working period of the device may be effected by means of the screw of the stop 9 controlling the position of the center of gravity of the movable system, while the apparatus occupies the position shown in Fig. 1.
  • the whole of the receptacle 1 need not necessarily be made'of magnetic material, it being sufiicient to make the end thereof facing the electromagnet 13 of such material or to provide said end with an armature of magnetic material.
  • the movement of the receptacle 1 and the frame 5 may take place in the same plane, as is shown in the drawing, or in different planes without departing from the principles of the invention.
  • a time lag relay comprising a circuit breaker, a receptacle, a liquid therein adapted to flow from one part of the receptacle to another part thereof, a pivotally mounted frame pivotally supporting the receptacle, and an electromagnet arranged to move the receptacle from rest position to working position, the said receptacle and frame being so located, that the center of gravity common to the receptacle and the liquid in the said working position and in one position of the liquid lies between the vertical planes through the pivots of the receptacle and the frame, but in the other position of the liquid on the other side of the pivot of the frame.
  • a time lag relay comprising a circuit breaker, a receptacle, a liquid therein adapted to flow from one part of the receptacle to another part thereof, a pivotally mounted frame pivotally supporting the receptacle, and an electromagnet arranged to move the receptacle from rest position to working position, the said recept
  • a time lag relay comprising a receptacle,a liquid therein adapted to How from one part of the receptacle to another part thereof, a pivotally mounted frame pivotally supporting the receptacle, a circuit breaker adapted to be engaged by said receptacle, and an electromagnet arranged to move the receptacle from rest position to working position, the receptacle and frame being so located, that the center of gravitycoon to the receptacle and the liquid in the said working position and in one position of the on the other side of the pivot of the frame.
  • a time lag relay comprising a circuit breaker, an angular receptacle, a partition wall in said receptacle leaving an open space at the upper side of the receptacle and having an aperture at the bottom of the receptacle, a pivotally mounted frame pivotally supporting the receptacle, an electromagnet adapted to move the receptacle from rest position to working position, and a liquid in the receptacle adapted to flow in said working position from one part of the receptacle through said open space to another part thereof and in another position of the receptacle back through the small aperture, the receptacle and frame being so located that the center of gravity common to the receptacle and the liquid in the working position and in one position of the liquid lies between the vertical planes through the pivots of the receptacle and the frame, but in the other position of the liquid on the other side of the pivot of the frame.
  • a time lag relay comprising a circuit breaker, a receptacle, a liquid therein adapted to fiow from one part of the receptacle to another part thereof, a. pivotally mounted frame pivotally supporting the receptacle, an electromagnet arranged to move the receptacle from rest position to Working position, insulated means on said receptacle adapted to actuate the said circuit breaker, the receptacle and frame being so located, that the center of gravity common to the receptacle and the liquid in the Working position and in one position of the liquid lies between the vertical planes through the pivots of the receptacle and the frame, but in the other position of the liquid on the other side of the pivot of the frame.

Description

W. H. PETERSEN.
TIME LAG RELAY.
APPLICATION FILED DEC.28,1915.
1 ,200,64:6 Patented Oct. 10, 1916.
imam
FTC
TIME-LAG RELAY.
Application filed December 28, 1915.
To all whom it may concern:
Be it known that I, WILIIELM HENNING Pnrnnsi'zx, a citizen of the Kingdom of Sweden, residing at \Viisterfis, Sweden, have invented new and useful Improvements in Time-Lag Relays, of which the following is a specification.
This invention relates to time lag relays for closing or breaking electric circuits of the type in which the retardation is effected by a liquid flowing slowly from one portion of a receptacle to another portion thereof. Hitherto existing devices of this kind are generally connected with several inconveniences. Thus for instance, they are to such an extent depending on frictional resistances, that they easily come to a standstill; further, certain parts of the devices are exposed to great tear, so that they become soon worn out, while in other cases the devices require too great driving force without possessing, nevertheless, sufficient safety of working. In other constructions of this class the time cannot be extended by repeated closing of the working current, it being necessary first to allow the apparatus to conclude its work during the determined period.
The object of the invention is to devise a time lag relay for closing or breaking electric circuits by means of a liquid flowing from a part of a receptacle to another part thereof, which relay is of a simple, durable and reliable construction not liable to get out of order and, consequently, free from the inconveniences mentioned.
In carrying out the invention a receptacle containing the liquid is pivoted in a pivotally mounted frame or the like in such manner, that when the receptacle is moved to working position, while the liquid at the same time moves from one part of the receptacle to another part thereof, the center of gravity common to the receptacle and the liquid lies between the vertical planes through the pivots of the receptacle and of the frame, while, after the liquid has flowed back to the first named part of the receptacle, the point of gravity is moved past the vertical plane through the pivot of the frame.
A constructional form of the invention adapted as a switch for stair case lighting is shown in the, accompanying drawing in which Figure 1 shows the device partially in' Specification of Letters Patent.
Patented Oct. 10, 1916.
Serial No. 68,998.
vertical section and in position of rest. Fig. 2 is a horizontal view thereof. Fig. 3 shows the device in the first stage of working position, the receptacle being attracted by the electromagnet. Fig. at shows the device in the second stage of working position, the receptacle being released from the electromagnet, before the liquid has returned to its normal position in the receptacle.
Referring to the drawing, 1 designates a closed angular receptacle of sheet iron, which is provided with a partition wall 2 tightly connected with the side walls and bottom of the receptacle, but leaving an open space at the top. The said partition wall is provided with a small aperture 3. The lower portion of the receptacle 1 is in the position shown in Fig. 1 partially filled with a liquid. The receptacle 1 is by means of pivots 4 pivoted in a frame 5, which in turn by edges or pivots is pivotally mounted in a bearing 6 secured to a bedplate. Fixed to the frame 5 is a stop 7 for the receptacle.
8 and 9 are stops secured to any suitable part of the device, for instance to the bedplate, and adapted to limit the movements of the frame. Thestop 9 is provided with a set-screw serving to control the working period of the device.
10 is an insulated contact spring which in the position of rest of the device is kept pressed down by the receptacle 1 by means of the insulated knob 11 secured thereto.
12 is an insulated contact attached to any suitable part of the device, for instance to the bed-plate, and adapted to make contact with the spring 10 in the working position of the device. The contacts 10 and 12 form a switch for the lamp circuit controlled by the relay.
13 is an electromagnet preferably secured to the bed-plate and the pole-shoes of which are so arranged that the receptacle 1 may move between them.
The device described operates as follows: When the circuit of the electromagnet 13 is closed, the receptacle 1 acts as an armature and is attracted between the pole-shoes of the electromagnet, until the frame 5 strikes the set-screw of the stop 9. The receptacle now occupies the position shown in Fig. 3, in which position the liquid flows from the left part of the receptacle past the to of the partition Wall 2 to the right part o the receptacle. As soon as the circuit of the electromagnet is broken, the receptacle swings back so as to strike the stop 7, because the center of gravity of the receptacle lies to the left of the vertical plane through the pivots 4. The frame 5, however, remains still touching the screw of the stop 9, as the center of gravity common to the receptacle and the frame lies to the rightof the vertical plane through the pivot 6. The frame remains in the position shown in Fig. 4: until through the aperture 3 of the partition wall 2 has passed a quantity of the liquid sullicicnt to move the mentioned common center of gravity to the left of the pivot 6.
The frame together with the receptacle 1 is then moved back to the position of rest shown in Fig. 1 in which the contact between the members 10 and 12 is broken and the lamps are extinguished.
A control of the working period of the device may be effected by means of the screw of the stop 9 controlling the position of the center of gravity of the movable system, while the apparatus occupies the position shown in Fig. 1.
The whole of the receptacle 1 need not necessarily be made'of magnetic material, it being sufiicient to make the end thereof facing the electromagnet 13 of such material or to provide said end with an armature of magnetic material. The movement of the receptacle 1 and the frame 5 may take place in the same plane, as is shown in the drawing, or in different planes without departing from the principles of the invention.
Having now particularly described the nature of my said invention and in what manner the same is to be performed, ll declare that what I claim is z 1. A time lag relay, comprising a circuit breaker, a receptacle, a liquid therein adapted to flow from one part of the receptacle to another part thereof, a pivotally mounted frame pivotally supporting the receptacle, and an electromagnet arranged to move the receptacle from rest position to working position, the said receptacle and frame being so located, that the center of gravity common to the receptacle and the liquid in the said working position and in one position of the liquid lies between the vertical planes through the pivots of the receptacle and the frame, but in the other position of the liquid on the other side of the pivot of the frame. A
2. A time lag relay, comprising a receptacle,a liquid therein adapted to How from one part of the receptacle to another part thereof, a pivotally mounted frame pivotally supporting the receptacle, a circuit breaker adapted to be engaged by said receptacle, and an electromagnet arranged to move the receptacle from rest position to working position, the receptacle and frame being so located, that the center of gravitycoon to the receptacle and the liquid in the said working position and in one position of the on the other side of the pivot of the frame. 3. A time lag relay, comprising a circuit breaker, an angular receptacle, a partition wall in said receptacle leaving an open space at the upper side of the receptacle and having an aperture at the bottom of the receptacle, a pivotally mounted frame pivotally supporting the receptacle, an electromagnet adapted to move the receptacle from rest position to working position, and a liquid in the receptacle adapted to flow in said working position from one part of the receptacle through said open space to another part thereof and in another position of the receptacle back through the small aperture, the receptacle and frame being so located that the center of gravity common to the receptacle and the liquid in the working position and in one position of the liquid lies between the vertical planes through the pivots of the receptacle and the frame, but in the other position of the liquid on the other side of the pivot of the frame.
-t. A time lag relay, comprising a circuit breaker, a receptacle, a liquid therein adapted to flow from one part of the receptacle to another part thereof, a pivotally mounted frame pivotally supporting the receptacle, an adjustable stop controlling the movement of the frame, and an electromagnet arranged to move the receptacle from rest position to working position, the receptacle and frame being so located, that the center of gravity common to the receptacle and the liquid in the working position and in one position of the liquid lies between the vertical planes through the pivots of the receptacle and the frame, but in the other position of the liquid on the other side of the pivot of the frame.
5. A time lag relay, comprising a circuit breaker, an angular receptacle, a partition wall in said receptacle leaving an open space at the upper side of the receptacle and having a small aperture at the bottom of the receptacle, a pivotally mounted frame pivotally supporting the receptacle, an adjustable stop controlling the movement of the frame, an electromagnet adapted to move the receptacle from its rest position to working position, and a liquid in the receptacle adapted to flow in said working position from one part of the receptacle through said open space to another part thereof and in another position of the receptacle back through the said small aperture, the receptacle and frame being so located, that the center. of gravity common to the receptacle and the liquid in the working position and in one position of the liquid lies between the vertical planes through the pivots of the receptacle and the frame, but in the other position of the liquid on the other side of the pivot of the frame.
6. A time lag relay, comprising a circuit breaker, a receptacle, a liquid therein adapted to fiow from one part of the receptacle to another part thereof, a. pivotally mounted frame pivotally supporting the receptacle, an electromagnet arranged to move the receptacle from rest position to Working position, insulated means on said receptacle adapted to actuate the said circuit breaker, the receptacle and frame being so located, that the center of gravity common to the receptacle and the liquid in the Working position and in one position of the liquid lies between the vertical planes through the pivots of the receptacle and the frame, but in the other position of the liquid on the other side of the pivot of the frame.
7. A time lag relay, comprising a circuit breaker, an angular receptacle, a partition Wall in said receptacle leaving an open space at the upper side of the receptacle and having a small aperture at the bottom of the receptacle, a pivotally mounted frame pivotally supporting the receptacle, an adjustable stop controlling the movement of the frame, an electromagnet adapted to move the receptacle from its rest position to Working position, insulated means on said receptacle adapted to actuate the circuit breaker, and a liquid in the receptacle adapted to flow in said Working position from one part of the receptacle through said open space to another part thereof and in another position of the receptacle back through the small aperture, the receptacle and frame being so located, that the center of gravity common to the receptacle and the liquid in the working position and in one position of the liquid lies between the vertical planes through the pivots of the receptacle and the frame, but in the other position of the liquid on the other side of the pivot of the frame.
In testimony that I claim the foregoing as my invention I have hereunto signed my name.
WILHELM HENNIN G PETERSEN.
US6899815A 1915-12-28 1915-12-28 Time-lag relay. Expired - Lifetime US1200646A (en)

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