CN2196316Y

CN2196316Y - Timer of mechanical clock

Info

Publication number: CN2196316Y
Application number: CN 94215201
Authority: CN
Inventors: 刘新保
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-06-25
Filing date: 1994-06-25
Publication date: 1995-05-03
Anticipated expiration: 2004-06-25

Abstract

The utility model relates to an improved timer of a mechanical clock. In the utility model, a normally open contact switch K< 1 > which is composed of movable contact points which are additionally arranged on a uniform machine core alarm setting spring of an alarm clock and corresponding static contact pieces, the alarm hammer component, the alarm head wheel component and the sharp gear component of an alarm clock system are removed, a set of alarm wheel components are additionally arranged, a corresponding normally closed braking switch K< 2 > is arranged, the normally open contact switch K< 1 > and the normally closed braking switch K< 2 > are connected in series with the control circuit of a low voltage DC relay, and the contact head of the relay is used to control an external circuit. The utility model can control the timing conduction of the external circuit and the timing braking of the external circuit, and has the advantages of simple structure, low cost, high safety and practicality. The utility model is suitable for the control of various appliances.

Description

Timer of mechanical clock

The utility model relates to a kind of follow-on mechanical watch timer.

In the prior art, notification number is that the utility model application of CN2118321U has provided a kind of mechanical alarm clock with time switch, its scheme is: set up utilize alarm spring vertically move the moving contact of drive on the spring that makes a noise and contact-making switch in the static contact break-make of the corresponding position of frame, also have additional and the moving contact of contact-making switch, the low-voltage direct control relay circuit that static contact links to each other, therefore both kept and rung the function of making a noise, the timing that can be used for circuit again is open close.But this utility model is the same with other similar mechanical alarm clock timer, exists a defective: only can once control, that is can only be switched on or switched off by control circuit, can not only control regularly connection but also control regularly disconnection.

The purpose of this utility model is to overcome the above-mentioned defective that exists in the prior art, provides a kind of simple in structure, safe and practical, the mechanical watch timer that the energy control circuit is regularly connected and regularly disconnected.

The purpose of this utility model is achieved through the following technical solutions: this mechanical watch timer is made up of unified movement alarm clock and low-voltage direct relay two large divisions, the alarm spring end points of unified movement alarm clock is provided with a moving contact, be provided with a static contact with the corresponding position of this moving contact on the frame, it between moving contact and the static contact normally open, utilize vertically moving of alarm spring to make energy time closing between moving contact and the static contact, constitute normal open switch K ₁Moving contact and static contact and low-voltage direct control relay circuit join, and the coil of pilot relay gets, dead electricity, and the control contact of relay links to each other with the appliance circuit of required control, in the utility model, removing has a pair of normal open switch K that is used for regularly connecting circuit ₁Also be provided with a pair of regularly normally closed switch K of disconnecting circuit that is used for outward, ₂In unified movement alarm clock, alarm hammer module, clock head pulley assembly and sharp gear assembly in the system when remove making a noise, set up one group of oppposite alarming wheel assembly and a small over-wheel again in the clock head pulley position, small over-wheel that increases and hour wheel engagement, the oppposite alarming wheel that increases is meshed with small over-wheel again, the moving contact of cut-off switch is connected on the alarm spring of increase, on the frame with on the corresponding position of this moving contact a static contact is being set, be normally off between moving contact and the static contact, constitute the regularly normally closed switch K of disconnecting circuit ₂, this moving contact and static contact insert in the low-voltage direct control relay circuit, and K switch is connected in timing open in usual ₁With normally closed type timing cut-off switch K ₂Be serially connected in the low-voltage direct electrical equipment control circuit, common pilot relay coil gets, dead electricity.

For further realizing the purpose of this programme, with one group in the low-voltage direct relay control contact and the K switch that often switches on ₁Be in parallel, form the self-keeping circuit.

Mechanical watch timer of the present utility model only needs to change a little on existing unified movement alarm clock, connects a low-voltage direct relay again, thus simple in structure, can realize the connection of control apparatus circuit at a specified future date and disconnection after the time of setting.Owing to adopt low-voltage power supply, make it safety and practicality again.

The Figure of description drawing is described as follows:

Fig. 1 is normal open switch K ₁With normally closed switch K ₂Contact and contact are provided with synoptic diagram in alarm clock movement.

The oppposite alarming wheel module position synoptic diagram that Fig. 2 sets up in unified movement alarm clock for this mechanical watch timer.

Fig. 3 is a mechanical watch timer mesolow DC relay control circuit schematic diagram.

Fig. 4 is a mechanical watch timer schematic appearance.

Provide specific embodiment of the present utility model below in conjunction with accompanying drawing.This mechanical watch timer is made of the two large divisions, a part is unified movement alarm clock, another part is the low-voltage direct relay, the low-voltage direct relay has three pairs of control contacts, as shown in Figure 1, on alarm spring (3) end points of alarm clock a moving contact (12) is set, on the frame with on the corresponding position of this moving contact (12) static contact (13) is being set, moving contact (12) constitutes normal open switch K with static contact (13) ₁In use, when oppposite alarming wheel (2) forwards the moment specified on the alarm-presetting disc (4) to, oppposite alarming wheel (2) is gone up the breach that domatic wheel thorn (10) just in time falls into axle sleeve (14), alarm spring (3) is upspring, make moving contact (12) and static contact (13) conducting, the normal open switch K that moving contact (12) and static contact (13) constitute ₁Insert in the control circuit of low-voltage direct relay, as shown in Figure 3, K ₁Connect, then the coil J of relay gets electricly, makes the control contact action of relay, thereby realizes the timing controlled to the external connection electrical apparatus circuit.In the utility model, remove and be provided with the regularly normal open switch K of conducting ₁Also be provided with the normally closed switch K that regularly disconnects outward, ₂In unified movement alarm clock, remove clock head pulley assembly, sharp gear assembly and alarm hammer module in the system when making a noise, set up one group of oppposite alarming wheel assembly, and set up a small over-wheel (8), as shown in Figure 2, the small over-wheel of setting up (8) is meshed with hour wheel (1) and oppposite alarming wheel (7) respectively, drives oppposite alarming wheel (7) and rotates with the speed identical with hour wheel (1).Equally, a moving contact (15) is set on alarm spring (5), on the frame with on the corresponding position of this moving contact (15) static contact (16) is being set, moving contact (15) constitutes normally closed switch K with static contact (16) ₂, and insert in the control circuit of low-voltage direct relay.In use, after alarm-presetting disc (6) is pushed the time of appointment, domatic wheel thorn (11) on the oppposite alarming wheel (7) leaves the breach of alarm-presetting disc (6) back axle sleeve (17), and oppposite alarming wheel (7) is pressed to alarm spring (5) makes moving contact (15) and static contact (16) keep conducting state.When oppposite alarming wheel (7) forwards the moment of the last appointment of alarm-presetting disc (6) to, domatic wheel thorn (11) on the oppposite alarming wheel (7) falls into the breach of axle sleeve (17), alarm spring (5) flicks, and moving contact (15) and static contact (16) are thrown off, thereby disconnects the control circuit of low-voltage direct relay.As shown in Figure 3, the normal open switch K of moving contact (12) and static contact (13) composition ₁And the normally closed switch K of moving contact (15) and static contact (16) composition ₂Insert respectively in the low-voltage direct control relay circuit of this mechanical watch timer, utilize two groups of control contact J of relay _3-4, J _5-6It is one or two external connection electrical apparatus circuit of may command.In the utility model, with wherein one group of contact J of low-voltage direct relay _1-2Be connected to normal open switch K ₁In; to form the self-keeping circuit; as shown in Figure 4; the low-voltage direct relay inserts the 220V civil power by plug, and the power supply of control relay circuit is provided, and operating voltage is the 12V direct current; in use; at first starting time and trip time are reserved at alarm-presetting disc (4) and alarm-presetting disc (6) rise respectively, when arriving the starting time, K ₁The control circuit of low-voltage direct relay is connected in action, and coil J gets.The control contact J of relay _3-4, J _5-6Promptly move, make the circuit turn-on of required control, simultaneously J _1-2Action forms the self-keeping circuit of control relay circuit again, keeps conducting state.When hour hands arrive trip time, K ₂Action, block system relay control circuit, coil J dead electricity, J _3-4, J _5-6Corresponding actions disconnects the Be Controlled circuit, simultaneously J _1-2Also disconnect.In the utility model, be equipped with insulating trip on each moving contact, the static contact, to guarantee safety.

Claims

1, a kind of follow-on mechanical watch timer, form by unified movement alarm clock and low-voltage direct relay two large divisions, the alarm spring end points of unified movement alarm clock is provided with a moving contact, be provided with a static contact with the corresponding position of this moving contact on the frame, constitute timing open in usual between moving contact and the static contact and connect K switch ₁, moving contact and static contact join by electric wire and low-voltage direct control relay circuit, and the control contact of relay links to each other with the circuit of required control apparatus, of the present utility model being characterised in that: removing has a pair of normal open switch K that is used for regularly connecting circuit ₁Also be provided with a pair of regularly normally closed switch K of disconnecting circuit that is used for outward, ₂In unified movement alarm clock, remove alarm hammer module, clock head pulley assembly and sharp gear assembly in the alarm clock system, set up one group of oppposite alarming wheel assembly and a small over-wheel again in the clock head pulley position, the small over-wheel that increases is meshed with the oppposite alarming wheel of hour wheel and increase respectively, on the alarm spring of this group oppposite alarming wheel assembly, a moving contact is set, on the frame with on the corresponding position of this moving contact a static contact is being set, be normally off between moving contact and the static contact, constitute the regularly normally closed switch K of disconnecting circuit ₂, this moving contact and static contact insert in the low-voltage direct control relay circuit, and K switch is connected in timing open in usual ₁With normally closed type timing cut-off switch K ₂Be serially connected in the low-voltage direct control relay circuit, the pilot relay coil gets, dead electricity.

2, mechanical watch timer according to claim 1 is characterized in that described low-voltage direct relay has two couples or three pairs of control contacts, wherein pair of control contact and contact-making switch K open in usual ₁Phase also connects, and forms K ₁The loop is connected in the switch self-insurance.