JPS5943688B2 - Remote control device for external instant gas water heater - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improvement in a remote control device for an external instantaneous gas water heater.

The present applicants filed a patent application at the same time as the present application in 1983-
In accordance with the invention of No. 1, he proposed an external instantaneous gas water heater that can generate not only hot water for hot water and shirts, but also steam for boiling a bath.

As schematically shown in FIG. 1, the hot water supply system includes a main gas burner i, a gas burner 2. Buy I: Thermocouple 3 to ensure safety when a 2-ton gas burner blows out
In addition to known structures such as a solenoid valve 4 and a hydraulically responsive gas valve device 6 that operates the opening/closing of the main gas valve 5 using water pressure, the primary hydraulic chamber 6a of the hydraulically responsive gas valve device is equipped with a hot water valve 1. A flow path 11 for steam generation equipped with a dollar valve 10, which is provided in parallel to the raw water pipe 9 leading from the heat exchanger 8 and whose diameter is adjusted to the optimum diameter for steam generation, and a valve that opens when there is an abnormal steam pressure. A stable steam generation flow path 13 equipped with a dianoram valve 12 is provided, and hot water outlet circuits 17, 18, 19 are provided on the hot water outlet side of the heat exchanger 8, leading to a bath head 14, a hot water tap 15, and a hot water outlet 16 with a silencer to the bathtub. It is connected through the on-off valve devices 20, 21 and 22, respectively, and prevents dangerous situations such as hot water being discharged from the chassis head, especially when using the shower head 14 after reheating the bath using steam. In order to prevent this, a small volume hot water storage tank 23 is provided in the hot water supply circuit 11 leading to the chassis head 14, and water is supplied to the tank via a bypass waterway 26 equipped with an on-off valve 24 and a temperature control valve 25. A stable hot water discharge device was installed, and
In order to prevent damage to equipment due to freezing of residual water in extremely cold weather, the highest part of the piping in the hot water supply circuit from the heat exchanger 8 to the several types of hot water outlets is automatically installed when the inside of the piping becomes negative pressure. An automatic intake valve 27 that opens is provided, and an automatic drain valve 28 that opens and closes in conjunction with the opening and closing operations of the gas cock.
．． It has features such as the provision of 28'.

As is clear from the following general description, the treatment-type instantaneous gas water heater according to the jointly-applied invention is equipped with a large number of on-off valve devices, and it is necessary to operate all of these on-off valve devices appropriately from indoors. be.

Conventionally, there is a technology that allows the operation part of a treatment type gas water heater to be operated from indoors and outdoors, for example, in Japanese Utility Model Publication No. 44-11034.
The water boiling device according to the invention generates only hot water, and its structure is relatively simple, and its operation part consists of an ignition and hot water temperature adjustment part, and a hot water outlet circuit. Since it is only two parts of the inside/outside switching part, it is not difficult to install the operating part on the wall in a narrow bathroom, and there is no risk of complication or malfunction during operation.

On the other hand, the treatment-type instantaneous gas water heater capable of generating steam according to the jointly-applied invention is equipped with a large number of operation parts, and in order to be able to operate them without fear of malfunction, it is necessary to Although it is desirable to provide individual operating bundle shafts, installing a large number of such operating bundle shafts on the wall of a narrow bathroom is difficult. There is a problem.

The present invention solves the above-mentioned problems, and provides a treatment-type instantaneous gas water heater that can be neatly arranged within a relatively small installation area, can be easily operated without fear of malfunction, and can be installed accurately and easily. The present invention provides a remote control device for a large number of operating units for the purpose of the present invention.

The present invention will be explained below with reference to an illustrated example. In FIG. includes operational bundle axes 101 and 102;
One end 101a protruding into the interior of each @101 and 102
, 102a have operating knobs 103 and 104, respectively.
are fixed to each other so that they can rotate concentrically and individually.

The operating bundle shafts 101 and 102 have other ends 101b and 10 that protrude into the Y-room body across the building wall 105.
Circular cam plates 106 and 10γ are fixed to 2b, respectively, in a spaced-apart manner.

As shown in FIGS. 3 and 4, the circular cup plates 106 and 107 have different " 1 diameter rl t r22r3.
Same as above for r4 and r5, in a row along the circle (Figure 4)
, or one or more arcuate protrusions 108b, 108c, 108d arranged in multiple rows (FIG. 3) and each row having a predetermined arc length.

It has 108e, 108f, 108g, and 108h.

According to the present invention, in the instantaneous gas water boiling device illustrated in FIG. As shown in the figure and FIG. 6, the operating bundle 1 shaft 101
and a different radius rl with respect to the central axis X of 102)
Along the concentric circles of r2 j r31 r4 jr,
Valve shaft 20a of each valve device.

21a, 22a, 24a and 25a are arranged to extend parallel to the operating bundle axes 101 and 102 and are integrally constructed.

The radius r1 to r'5 of each turn, which is the reference for the arrangement of the opening/closing valve device, is the same as the radius r1 to r5 of each time, which is the reference for the arrangement of the circular cam plates 106 and 107, respectively. The valve shafts of the on-off valve devices 20, 21, 22, 24 project in the same direction, and the valve shaft of the temperature control valve device 25 projects in the opposite direction to the valve shaft of the on-off valve device. be arranged so that

(See FIGS. 2, 5, and 6) The circular cam plate 101 is fixed to the other end 101b of the operating bundle shaft 1010 projecting outside as shown in FIG. It is integrally constructed with the above-mentioned arrangement relationship with respect to the plurality of rows of arc-shaped protrusions 108a to 108g formed on the surface facing the surface thereof, and is housed in the casing 109 and separated from the building wall 105. The valve shafts of the on-off valve devices 20, 21, 22 and 24, which are fixed to the outdoor wall surface, are brought into vertical contact.

That is, among the plurality of rows of arcuate ridges formed on one surface of the circular cam plate 107 in FIG. As shown by the dotted line in the figure, the valve shaft 20a of the on-off valve device 20 vertically contacts the arc-shaped protrusion 10 formed on a circle with a radius r2.
8c, the valve shaft 22a of the on-off valve device 22 similarly contacts, and hereinafter, the valve shafts 21a and 24a of the on-off valve devices 21 and 24 contact the circular projections 108d and 108e, and 108f and 108g, respectively. come into contact with

Further, as shown in FIG. 6, the valve shaft 25a of the temperature control valve device 25, whose valve shaft extends in the opposite direction to the valve shafts of the four on-off valve devices, is attached to the opposite surface of the circular cam plate 106. radius r
It vertically abuts against the arc-shaped protrusion 108h formed on the circle of No.5.

Of the ellipsoidal projections formed on the plane facing the other cam plate 106 of the circular cam plate 10γ, 108d and 108
The protruding height of f is approximately 2rut, and the remaining circular convex ridge 1
The protrusion height of 08b, 108c y 108e and 108g is approximately 5wl1, and when the valve shaft of each valve device comes into contact with the protrusion of the latter, each valve device is in an open state, and each protrusion of the former When in contact with the valve device, each valve device is in a slightly open state.

The circular arc-shaped protrusions 108d and 10 are relatively low in height.
8f is a rotary wheel 110 that rotates the operating knob 104 to the "stop" position and is fixed to the tip of the operating handle shaft 101;
When the water source frame 29 of the water heater main body is closed via the link mechanism consisting of the chain 111, the on-off valve devices 20, 21
and 24 is left slightly open as described above,
When the gas supply is stopped to stop using the water heater,
Automatic drain valve devices 28, 28' and automatic intake valve 27 (
(See Figure 1) contributes to the complete discharge of residual water inside the container.

It goes without saying that the valve shafts 20a, 21a, and 24a of each of the valve devices can be detached from any of the protrusions when necessary to be in a completely closed state.

As shown in FIG. 4, a circular projection 108h formed on a circle with a radius r on a plane facing the other circular cam plate 107 of the circular cam plate 106 extends in the circumferential direction of the cam plate. Gradually increase the height in one direction, approximately 360° circumference
] The height is formed to have a height that rapidly decreases to zero at this point, and the valve shaft 25a of the temperature control valve device 25 comes into contact with the protrusion.

Thus, by rotating the operating knob 103 clockwise, the opening of the temperature regulating valve device 25 is decreased, and conversely, by rotating the knob 103 counterclockwise, the opening of the temperature regulating valve device 25 is decreased. The degree increases.

In addition, in Fig. 2, Fig. 5, and Fig. 6, connection port 1
12 communicates with the inlet side of a small-capacity hot water storage tank 230 provided in the hot water supply circuit 17 to the sea water, a connection port 113 communicates with the other inlet side of the hot water storage tank 23 that communicates with the bypass waterway 26, and a connection port 114. is connected to the bypass waterway 26, while its inner passage communicates with the valve chamber of the temperature control valve device 25, and the valve chamber of the temperature control device communicates with the valve chamber of the bypass waterway opening/closing valve device 25. The valve chamber communicates with the other artificial side of the hot water storage tank 23 via the connection port 113.

Further, the connection port 115 communicates with the outlet side of the heat exchanger 8, while the inner passage is connected to the on-off valve devices 20, 22 and 2.
The valve chamber of the on-off valve device 22 communicates with the hot water supply circuit 19 which communicates with the hot water outlet 16 with a muffler for the bathtub via the connection port 116, and the valve chamber of the on-off valve device 21 communicates with each valve chamber of the on-off valve device 21. communicates via a connection port 117 with a hot water outlet circuit 18 leading to the hot water supply run 15 .

Furthermore, the connection port 118 communicates with an automatic intake valve 27 provided at the highest point in the piping of each hot water supply circuit after the heat exchanger, and the connection port 119 communicates with an overpressure prevention valve 30. .

Handle shaft 120 for operating the gas circuit, referenced in FIG.
The operation procedure using the remote control device installed indoors according to the present invention when using the illustrated example of the external type instantaneous gas water heater by rotating the pilot gas burner 2 will be described below. .

The relationship between the rotation direction and angle of the operating knob 104 and the opening/closing operation of each on-off valve device 20, 21, 22, and 24 is shown in the seventh section.
As shown in the figure.

For example, if a person wishes to pour hot water into a bath, he or she would turn the operating knob 104 to the right by 60'.

At the same time as this rotation, the water source frame 29 is
is opened, but since the hot water valve 7 is always open in the cloth rotation range up to 60 degrees, the heat exchanger 8.
Water is supplied, and the water pressure responds to the gas valve device 6 by water pressure.
Since the diaphragm 6b is pressed to open the gas valve 5, the main gas burner 1 is ignited by the flame of the pilot gas burner 2, which has been ignited in advance, and heats the heat exchanger 8.

As shown in FIG. 7, the on-off valve device 22 for the hot water tap circuit 19 leading to the hot water tap 1'' 16 with a silencer of the bathtub is located 120 degrees to the right from the 1'' position of the operation knob 104.
In the rotation range up to
8c, the hot water heated by the heat exchanger 8 is poured into the bathtub by igniting the main gas burner 1.

When pouring hot water into the bathtub is completed, if the operating knob 104 is turned again to the original stop position, the water source valve 29 is closed and the water flow to the heat exchanger is stopped, and at the same time the water pressure response is stopped. The diaphragm 6b of the gas valve device 6 returns, the gas valve 5 is closed, and the main gas burner 1 is also extinguished.

Now, when the water temperature drops while taking a bath, if the operating knob is turned to the right again by 120 degrees, that is, to the reheating display position, the water valve 29 will be opened again, but the hot water valve 7 will be opened to the right. 1
Since the valve is closed at the 20° rotation position, the water source valve 29
The water that enters the primary hydraulic chamber 6a of the hydraulically responsive gas valve device presses the diaphragm 6b, opens the gas valve 5, and then passes through the needle valve 10, which is adjusted to the optimum diameter for steam generation, for heat exchange. The steam enters the vessel 8, where it is heated by the main gas bar 1, which was previously ignited by opening the gas valve 5, to generate steam.

In this way, as mentioned above, the on-off valve device 22 is fully open in the rotation range of up to 120° to the right of the operating knob 104, so that steam in the hot water of the bathtub flows into the water outlet 16 with a silencer.
It is possible to quickly raise the temperature of hot water that has been discharged more quickly and whose temperature has decreased.

When you have finished washing your body and wish to have clean hot water, turn the operating knob 104, which has been returned to the stop position after reheating with steam, to the left by 120 degrees, that is, to the shower display position. As shown in FIG. 7, the on-off valve device 20 for the hot water tap circuit 17 leading to the shower head 14 is fully opened by the arc-shaped protrusion 108b of the circular cam plate 107, and the on-off valve device for the bypass waterway is fully opened. 24 is fully opened slightly earlier than the opening/closing valve device 20 of the shower hot water supply circuit by the protrusion 108g of the cam plate 107.

In this way, the steam that was previously used to reheat the bath and remains in the piping when switching to the shower outlet is sent to the small-capacity hot water storage tank 23, where it becomes hot water due to rapid pressure reduction. , mixed with the water from the bypass waterway 26 that is sent into the hot water storage tank slightly earlier than that, and becomes warm water at an appropriate temperature, which is then heated to the shower head 1.
4 is also discharged and used for hot water after washing the body.

At this time, by rotating the operating knob 103 in either the left or right direction, the opening degree of the temperature control valve device 25 that contacts the circular cam plate 106 is adjusted, and the shower head 14 can also supply hot water at the desired temperature. can.

Furthermore, if you want to wash your face, return the operating knob 104 to the 60° left position, that is, to the hot water supply display position, and the on-off valve device 21 will be activated by the arc-shaped protrusion 108e of the circular cam plate 107.
When the hot water tap 15 is opened fully, hot water is discharged.

As explained in detail above, the remote control device for the round-neck instantaneous gas water heater according to the present invention has two operating handle shafts configured in a concentric double pipe structure, each of which protrudes outside the room. A circular cam plate is fixed to the other end of the cam plate, and the cam plates are arranged in one row or in a plurality of rows along concentric circles having different radii with respect to the central axis of the operating handle shaft on each of the mutually facing planes of each cam plate, Since one or more arcuate protrusions are provided for opening and closing a large number of opening/closing valve devices according to a predetermined time series, as explained in the example structure, one or both of the operating handle shafts are connected to the outside of the room. In addition to a circular cam plate, a link mechanism is provided at the tip of the other end protruding from the water supply valve, and a link mechanism is provided, including a water valve opening/closing valve device such as a water source valve and a water supply valve. The circular rotation of the handle shaft allows you to switch to the desired hot water supply circuit and dispense hot water.There is no need to operate multiple operating handles, so operation is extremely simple. Since it is only in one fixed place, it is suitable for installation on the wall surface of a narrow bathroom, and also simplifies installation work such as drilling holes in the wall.

In addition, in the illustrated side structure of FIG. 1, there is a
- The knob shaft 120 and the operating knob shaft 121 for additionally igniting the other main gas burner 1 when steam is generated or when it is extremely cold are disclosed in the joint application filed by the present applicants in Utility Model Application No. 1983.
As disclosed in Japanese Patent No. 59159, a concentric double tube structure having a link mechanism at the tip of each operating bundle shaft is used.

Therefore, in the treatment-type instantaneous gas water heater shown in FIG.
Similar to the device No. 4), there are only four operating knobs installed on the bathroom wall on two axes, but there are far more operating knobs than the device devised in the earlier application, from operating the flashing light in the gas circuit. The operation can be performed simply and reliably without fear of malfunction.

Further, in the remote control device of the present invention, a large number of switching valve devices to be operated by the operating knob shaft are separated from the main body of the water heater, and the circular valve devices are arranged around the tip of the operating knob shaft. Since the valve shafts of each device are extended and arranged in clusters so that they are in vertical contact with the top surface of the arc-shaped protrusion on the opposing element of the cam plate, the torque generated when the operating bundle shaft is rotated is reduced. is extremely small, which has the advantage of facilitating manipulation of the bundle shaft.

[Brief explanation of the drawing]

FIG. 1 is a schematic diagram illustrating the structure of a treatment-type instantaneous gas water heater capable of generating steam to which the remote control device of the present invention is applied, FIG. 2 is a sectional view of the remote control device of the present invention, and FIG. Figure 4 is a front view of the circular cam plate used in the device of the present invention, Figures 5 and 6 are front and rear views of the mounting portion of the on-off valve device of the device of the present invention, and Figure 7 is the operation of the device of the present invention. It is a time series diagram showing a procedure. 1.1... Main gas burner, 2... Pylon I/casburner, 3... Thermocouple, 4...
...Solenoid valve, 5...Gas valve, 6...
Water pressure responsive gas valve device, 6a...Primary water pressure chamber, 6
b...Diafam, 7...Hot water valve. 8...Heat exchanger, 9...Main waterway, 10
...Needle valve, 11 ... Steam generation channel, 12 ... Diaphragm valve, 13 ...
... Stable steam generation flow path, 14 ... Shower head, 15 ... Hot water tap, 16 ... Hot water outlet with silencer, 17 ... Hot water outlet for shower circuit, 18
... Hot water supply circuit, 19 ... Hot water supply circuit for bathtub, 20.21, 22, 24 ... Opening/closing valve device, 23 ... Hot water storage tank, 25...
Temperature control valve device, 26... Bypass waterway, 27...
...Automatic intake valve, 28, 28'... Emotional drain valve device, 29... Water valve, 30...
Overpressure prevention valve, 101, 102... Operation knob, 103, 104... Operation knob, 1
05... Wall body, 106, 107... Circular cam plate, 108... Arc-shaped protrusion, 109...
...Housing, 110...Rotating wheel, 111...
...Chain, 112,113,114゜115.116
, 117, 118, 119... Connection port, 120
, 121...Bundle shaft for gas circuit operation, 12
0,121... Same knob as above.

Claims (1)

[Claims] 1. 2 tubes with different lengths formed in a concentric double tube structure.
The operating knobs are fixed to each end of each axis of the book operating bundle shaft so that they can rotate concentrically and individually, while the operating knobs are connected to the outside of the room across the building wall of each axis. Circular cam plates are respectively fixed to the other protruding ends in parallel with each other at intervals, and each circular cam plate is arranged in a row or along concentric circles having different radii with respect to the central axis of the operating bundle shaft on the surfaces facing each other. A plurality of on-off valve devices arranged in a plurality of rows, each having one or more arc-shaped protrusions formed in a predetermined arc length in the odd row, and separated from the main body of the water heater, are arranged in two sheets. The valve shaft of each on-off valve device is extended between the circular cam plates so as to vertically abut against the arc-shaped protrusion +ffi of one of the circular cam plates, and the operation A remote control device for an external instantaneous gas water heater, characterized in that the remote control device is arranged around a bundle shaft.