JPS62125Y2 - - Google Patents

Description

[Detailed description of the invention] This invention has a set shaft for temporarily turning off (on) the load after a desired time has elapsed, and a set shaft for turning the load on (off) again after the elapse of a desired time, respectively. This invention relates to a dual timer characterized by the following features:

Recently, air conditioning equipment such as room air conditioners and FF (forced air exhaust) hot air heaters have become rapidly popular, and most of these air conditioning equipment are generally equipped with a "sleep timer." It is equipped with a timer called a "good morning timer." For example, in the case of an FF hot air heater, if you set the "sleep timer" according to your desired time before going to bed, the set time will be reached even after you go to bed. The heating switch is turned off after the warm state has continued until the warm state continues, and if you set the "Good Morning Timer" according to the desired time, the heating switch will be turned on after the set time arrives, and the next morning when you wake up, you will already be in the warm state. It is what is being done. However, with conventional timers of this type, one timer is used by switching between a "good night timer" and a "good morning timer" using a changeover switch. For example, in the case of the above-mentioned FF hot air heater, if you set the ``good morning timer'' before going to bed, the heating switch will turn off after you set it, making it impossible to get a good night's sleep. Was. Therefore, in order to set both the "good night timer" and "good morning timer" at the same time,
This would require two separate timers,
The disadvantage is that the time control section of the hot air heater, etc. becomes large and expensive.

This invention was made in view of the above drawbacks, and includes:
Two gear systems with different reduction ratios are connected to a part of the gear system connected to one drive source, and each gear system has a cam mechanism that turns off the load on one after the set time has elapsed, and turns off the load on the other after the set time has elapsed. The switches are connected to each other so that the load is turned on after a certain amount of time has elapsed, and a set shaft is provided, and one drive source can be used to set two completely different time sets, that is, the time when the load is turned off and the time when the load is turned on. It provides a dual timer that can be set simultaneously or separately.

The first embodiment of the present invention will be explained below with reference to the drawings. First, as shown in FIG. Furthermore, the middle case 2 and the upper case 3 each form a switch chamber 5. M is a motor serving as a driving source, 6 is a transmission gear 7
The transmission shaft and the transmission pinion 8 are integrally formed, and the transmission shaft is configured to be rotated at a constant rate by the motor M via a reduction gear system G (not shown).

9 is a first set shaft, 10 is a second set shaft, both set shafts 9 and 10 are supported by the middle case 2 and the upper case 3, and the first set shaft 9 has a first set shaft.
The main gear 11 is hit by a landing plate (friction plate) 13, and the second main gear 12 is hit by a landing plate (friction plate) 14 on the second set shaft 10.
Since they each form a known friction type slip mechanism, when setting the timer, the first set shaft 9 and the second set shaft 10 are connected to the first main gear 11 and the second main gear, respectively.
It can be set independently of the main gear 12 of
5 or 16 respectively, the first and second main gears 1
1 and 12 so that they rotate together.

Reference numerals 15 and 16 denote a first intermediate wheel and a second intermediate wheel, respectively, which are both connected to the transmission pinion 8, and the first intermediate wheel 15 connects to the first main gear 11, and the second intermediate wheel 16 connects to the first main gear 11. The two main gears 12 are rotated at different speeds. In this embodiment, the second intermediate wheel 16 has a larger reduction ratio than the first intermediate wheel 15, and therefore the second main gear 12 has a lower speed than the first main gear 11. It is designed so that it rotates.

Next, according to FIG. 2, 17 is a first cam, 18 is a second cam, and the first cam 17 has a notch
9, and a notch 20 on the outer periphery of the second cam 18.
and step portions 21 are formed respectively, and the first cam 1
7 is connected to the first set shaft 9, and the second cam 18 is connected to the second set shaft 10, which will be described later.
S3 and timer switches S2 and S4 are fitted loosely so that they each have a predetermined free rotation range in order to quickly turn them on.

S1 is a first load switch consisting of contact pieces Sa and contact pieces Sb, and S2 is a first timer switch consisting of contact pieces Sb and contact pieces Sc, and the middle of contact piece Sa has a V-shaped protrusion. A portion 22 is formed, and the V-shaped convex portion 22
is engaged with the outer peripheral portion of the first cam 17, the first load switch S1 and the first timer switch S2 are both turned on, and when the switch is engaged with the notch 19 of the first cam 17, the first load switch S1 and the first timer switch S2 are both turned on. is the first load switch S1,
The first timer switch S2 is also turned off. S3 is a second load switch consisting of a contact piece Sd and a contact piece Se, and S4 is a contact piece Sd and a contact piece Sf.
A second timer switch consisting of a contact piece Sd
A V-shaped protrusion 23 is formed in the middle, and when the V-shaped protrusion 23 is engaged with the outer peripheral surface of the second cam 18, the second load switch S3 is turned off and When the second timer switch S4 is turned on and engaged with the notch 20 of the second cam 18, the second load switch S3 is turned on and the second timer switch S4 is turned off. When engaged with the stepped portion 21 of No. 18, the second load switch S
3. The second timer switch S4 is both turned off.

Stopper pins 24 and 25 are fixed to the first set shaft 9 and the second set shaft 10, respectively, and when the protrusion 22 of the contact piece Sa engages with the notch 19 of the first cam 17, the stopper pin 24 and 25 are fixed to the first set shaft 9 and the second set shaft 10, respectively. comes into contact with the stopper 26, and when the convex portion 23 of the contact piece Sd engages with the stepped portion 21 of the second cam 18, the stopper pin 25 comes into contact with the stopper 27, and the first set shaft 9 and the first set shaft 9 are brought into contact with each other. Rotation of the second set shaft 10 in the direction of arrow b (FIGS. 1 and 2) is prevented.

Figure 3 shows the wiring diagram, E is the power supply, W is e.g.
The load of the FF warm air heater, etc., M is the motor for driving the timer. Here, the first load switch S
1 and the first timer switch S2 are turned on and off at the same time, and the first load switch S1 is connected between the power source E and the load W, and the first timer switch S2 is connected between the power source E and the motor M. connected between. and the second load switch S3 and the second
The timer switch S4 is switched by a contact piece S4, and the second load switch S3 is connected to the power supply E.
and the load W, and a second timer switch S4 is connected between the power source E and the motor M.

FIG. 4 shows an example of the operation surface of the embodiment of the present invention, where 28 and 29 are a first set knob and a second set knob fixed to the first set shaft 9 and second set shaft 10, respectively. Use the set knob to set each index to 3.
0 and 31 are displayed. 32 and 33 are a good night timer time scale and a good morning timer time scale, respectively; in this embodiment, the sleep timer is set so that the maximum set time is 6 hours, and the good morning timer is set so that the maximum set time is 12 hours. shall be.

Regarding the operation of the above configuration, in Figures 1 to 3, the timer stops,
Indicates the state in which the load W is operating (continuous operation),
From this state, turn the first set knob 28 and the second set knob 29 in FIG.
When the second set knob 29 is set to 8 hours (Fig. 4), the first load switch S1 and the first timer switch S2 are turned on, and the second load switch S3 is turned off and the second timer switch is turned on. S4 is turned on, the load W continues to operate, and the timer starts cruising.

When the set time for the sleep timer has elapsed,
The first indicator 30 is the sleep timer time scale 32
"0", and the first load switch S1 and the first timer switch S2 are turned off at the same time.
This causes the load W to stop. Further, the timer continues to cycle, but the stopper pin 24 of the first set shaft 9 comes into contact with the first stopper 26 and prevents rotation in the direction of arrow b, so that the first main gear 1
1 and the landing plate 13 continue to slide. Further, the second set shaft 10 continues to move in the direction of the arrow b, and when the second indicator 31 indicates "0" on the good morning timer time scale 33, that is, when the set time of the good morning timer has elapsed, the second timer Since the switch S4 is turned off and the second load switch S3 is turned on, the motor M stops and the load W starts operating again.

Furthermore, if the load W is an FF hot air heater, the above effect can be achieved by setting the sleep timer to 1 hour and the good morning timer to 8 hours before going to bed at night. However, the FF hot air heater continues to operate, and after the FF hot air heater stops, only the timer operates, and when 8 hours have passed after being set, the timer stops and the FF hot air heater starts operating again. The aircraft will start operating again, and by the time you wake up the next morning, it will already be warm.

Next, to stop the load W after the above action, that is, from the state where the timer has stopped and only the load W is operating as shown in the original Figs. 1 to 3, manually operate the load W as shown in Fig. 2. If you turn the set knob 29 in the direction of arrow b and set the second indicator 31 to "OFF" on the good morning timer time scale 33, the stopper pin 25 will come into contact with the stopper 27, and the convex part 23 of the contact piece Sd will be brought into contact with the second cam. 18 of the step portions 21, the second timer switch S4 remains off, and the second load switch S3 is also turned off, and the load W is stopped.

Furthermore, as shown in FIG.
1 and the second load switch S3 are the power supply E and the load W.
and the first timer switch S
Since the timer switch 2 and the second timer switch S4 are respectively connected in parallel between the power source E and the motor M, it is also possible to set only either the sleep timer or the good morning timer as desired.

Next, FIG. 5 shows a second embodiment of the present invention, in which 34 is a crown gear fixed to the first set shaft 9 of the timer explained in the first embodiment, and 35
is a set knob for a sleep timer which is also fixed to the first set shaft 9. Also, 36 is the second
The crown gear is attached to the second set shaft 10, is always urged upward by a spring 37, and is movable vertically with respect to the second set shaft 10. 38 is a good morning timer set knob fixed to the top of the crown gear 36; 39
is a gear connected to the crown gear 34, and when the set knob 38 of the good morning timer is pressed, the gear 39 and the crown gear 36 are connected. Therefore, set knob 38 of the morning timer.
When set while pressing , the first set shaft 9 is simultaneously rotated for a time corresponding to the speed reduction ratio corresponding to the rotation of the second set shaft 10 by the previously described gear linkage, and the sleep timer is set. can do. Also, by setting the good morning timer set knob 38 without pressing it, only the good morning timer can be set, and by setting the sleep timer set knob 35, only the sleep timer can be set.

In this second embodiment, two crown gears 34,
36 and a gear 39, the two set shafts 9 and 10 may be connected by other means such as a spur gear instead of a crown gear.

As described above, according to the timer of the present invention, it is possible to simultaneously control two timer operations, the sleep timer operation and the good morning timer operation, for the load with one timer.For example, if it is used for a heater, the sleep timer will allow you to sleep soundly. The function of the heater can be greatly expanded, such that the warm state continues until the warm state is reached, and the good morning timer means that the warm state is already set when you wake up the next morning. You can also select and use only one of the two timer operations, such as only the sleep timer or only the good morning timer, as desired, and all operations to continuously operate or stop the load are performed using the timer. The operability is greatly improved. Furthermore, since the structure is simple and relatively compact, it can be provided at a low price, and has various practical effects.

[Brief explanation of the drawing]

1 and 2 show a first embodiment of the present invention, in which FIG. 1 is a partially sectional front view, and FIG.
The figure is a plan view showing the section A-A in Fig. 1, Fig. 3 is a wiring diagram of the power supply and load of the embodiment of the present invention, and Fig. 4 is an example of the operation surface of the timer control device of the present invention. FIG. 5 shows a second embodiment of the present invention. 9: first set axis, 10: second set axis,
17: first cam, 18: second cam, G: reduction gear system, M: motor, W: load, S1: first load switch, S2: first timer switch,
S3: second load switch, S4: second timer switch.

Claims (1)

[Scope of utility model registration request] In a timer in which a motor is used as a drive source and the timer is driven through a reduction gear system, a transmission pinion that rotates in conjunction with the reduction gear system has a first and a first pinion that rotates at a constant speed at the same or different speeds. Second
The main gears that are hit on the set shafts are connected to each other, and the first set shaft is equipped with a first cam that turns off both the first load switch and the first timer switch after the set time has elapsed. Also, a second timer switch that is turned off after the set time has elapsed and a second load switch that is turned on after the set time has elapsed and that is continuously turned off by turning off the second set shaft are linked to the second set shaft. a second cam that is connected to the first and second cams;
A dual timer, characterized in that the load switch is connected between the power source and the load, and the first and second timer switches are connected between the power source and the motor.