JPH0214497Y2 - - Google Patents

Description

[Detailed Description of the Invention] <Technical Field> The present invention relates to a vehicle-mounted heating device for installation in the interior of a vehicle.

<Prior art> Installing a conventional household heater, such as a water heater, inside a car and using it to obtain power from a battery is not safe in terms of safety, considering car vibrations and collisions. So it's not desirable.

<Purpose> Therefore, the present invention is capable of safely fixing the heater to the vehicle body, and also allows the heater to be removed from the vehicle body for use as needed.Furthermore, a switch is provided on the outer case to make it easier to control the energization of the heater. The aim is to provide heating devices for in-vehicle use.

<Example> Hereinafter, an example of the present invention using an electric water heater as the heater B will be described with reference to FIGS. 1 to 5.

Fig. 1 is a perspective view showing an outer case A fixed to the vehicle body and a heater B detachably attached to the outer case A, and Fig. 2 is a perspective view showing the outer case A to the heater B.
A perspective view of the outer case A and the heater B with the heater B removed, Fig. 3 is a longitudinal cross-sectional view of the outer case A with the heater B attached, and Fig. 4 shows the case-side connector 34 and the heater-side connection. FIG. 5 is a perspective view of the tool 26 portion, and FIG. 5 is an electric circuit diagram. In the figure, 1 is a cylindrical body of the heater B, and a telescoping handle 2 is attached thereto. Reference numeral 3 denotes an inner container 3 made of a metal plate that is fitted and fixed in the main body 1. The upper part of the cavity 4 formed between the inner container 3 and the main body 1 is closed with an upper ring 5, and the inner container 3 is fixedly fitted inside the main body 1. An electric heater 6 is fixed to the outer surface of the side wall 3. The bottom of the inner container 3 is fixed to a bottom cover 8 via legs 7, and the lower end of the main body 1 is fitted and fixed to the upper end of the bottom cover 8. 9 is an outer cover fixed to the upper ring 5, which is a cylindrical part 9a.
and a protrusion 9b, the lower surfaces of which are closed with a lid cover 10. A push button 11 is fitted in the center of the outer cover 9, and a lock lever 12 for switching the button 11 between a locked state and a released state is provided on the outer cover. A bellows frame 13 is disposed below the central protrusion 11a of the button 11, and the upper end of a bellows 14 for pneumatic feeding is fixed to the lower surface of the bellows frame 13. 15 is a spring for returning the button 11. 16 is an inner lid with a gasket 17 that removably seals the upper surface of the inner container 3 by a rotating motion; 18;
is an inner stopper interposed between the inner lid 16 and the lid cover 10, which has an air pressure feed passage 19 in its center and a hot water outlet passage 20 on its side; A spout pipe 21 is connected to the inlet. Safety valves 22 and 2 are provided in both the roads 19 and 20, respectively.
3 has been inserted. 24 is a temperature control thermostat fixed to the lower surface of the bottom of the inner container 3, 25 is a temperature fuse, and 26 is a heater side connector, the plug of which connects the bottom cover 8 and the main body 1.
It is fixed with an insulating material 27 interposed therebetween.

Next, to explain the outer case A, this is a rectangular cylindrical case body 2 that surrounds almost all sides of the heater B.
8, and a flange 29 at the bottom of this case body 28.
It consists of a rectangular dish-shaped fixing plate 29 made of a metal plate to which a is fixed. The case body 28 is made of synthetic resin and has a circular upper opening 30 on the top surface, a recess 31 on the front surface, and a communication hole 32 connecting these. Further, the fixing plate 29 is fixed to the vehicle body C with screws 33.

A case-side connector 34 is provided on the fixed plate 29 side so as to be removably fitted to the heater-side connector 26 . As shown in Fig. 4, the case side connector 3
A groove 36 is formed on both sides of the insulating base 35 of No. 4, and the support 3 is slidably fitted into the groove 36.
7 is fixed to a fixed plate 29, an operation plate 38 is provided protruding from the lower surface of the base 35, and a compression spring 39 is interposed between the extension piece 29b of the fixed plate 29 and the base 35.

Therefore, when you insert your hand through the lower notch 40 of the outer case A and pull out the operation plate 38 against the spring 39, the case side connector 34 is removed from the heater side connector 26.
is detached and the entire heater B can be taken out upwards,
Moreover, when the heater side connector 26 is in the pulled out state,
When the entire heater B is placed on the fixing plate 29 and the operation plate 38 is pushed in, the case side connector 34 can be fitted to the heater side connector 26, and with this structure, the heater B can be attached easily. A locking means is constructed for the.

Further, a case of a relay 41, which is an electric component for controlling an electric circuit, is fixed to a flange 29a of the fixed plate 29, and is disposed far from the heater 6 to prevent it from being adversely affected by the heat of the heater 6.

In addition, a case switch 42 that can be operated from the outside is provided at the bottom of the outer case A instead of the heater B, and this case switch 42 has an ON/OFF switch.
Although an OFF indication is provided, this indication does not have to be present.

Furthermore, as shown in FIG. 5, in the electric circuit D using the battery as a power source, the circuit including the heater 6 and the contact 41a of the relay 41 has a large current of 10 to 20 amperes, so the engine key switch E and the relay 41
1 coil 41b, thermostat 24 and temperature fuse 25, and both circuits are connected in parallel.

The case switch 42 is inserted between the engine key switch E and the coil 41b of the relay 41, and an LED display element 43 indicating that the case switch 42 is in the ON state is displayed on the coil 41b.
connected in parallel to the circuit containing the

Therefore, insert heater B into outer case A,
After fitting the outer cover 9 to the upper opening 30 and fitting and connecting the case side connector 34 and the heater side connector 26,
Turn on the case switch 42 and turn on the engine key with the LED display element 43 lit.
When the electric circuit D is connected to the battery which is the power source in the ACC (accessory) position, the switch E
is turned on and the thermostat 24 is turned on, a control current flows through the coil 41b of the relay 41, the contact 41a of the relay 41 is turned on, and the heater 6 is energized. When the water is boiled to a specified temperature, the thermostat 24 is turned off, the relay 41 is also turned off, the heater 6 is no longer energized, and water heating is temporarily interrupted. Further, when the temperature of the hot water falls below a specified temperature, the thermostat 24 is turned on, and as a result, the heater 6 is energized and the water begins to boil.

After the water has boiled, when pouring out the hot water, place a pot on the bottom wall 31a of the recess 31 of the outer case A, press the push button 11 to push down the bellows frame 13, and push the air inside the bellows 14 through the pressure channel. 19 into the inner container 3, and with the pressure, the hot water in the inner container 3 is passed through the spout pipe 21 and the spout path 20 to the spout 2.
Pour into the pot from 0a.

In addition, when using the heater B in a state where it is removed from the outer case A, first pull out the operation panel 38 and detach the case-side connector 34 from the heater-side connector 26, and then hold the handle 2. Lift heater B and remove it from outer case A.

Conversely, when installing heater B on outer case A,
Turn the outer lid 9 part above the inner lid 16 and remove this part from the heater B main body 1, fill water into the inner container 3, and put the outer lid 9 part back into the main body 1 of the heater B.
Then, with the operation plate 38 pulled out, insert the heater B into the outer case from the upper opening 30 of the outer case A, and then press the operation plate 38 to connect the case side connector 34 to the heater side. Fittingly connects to the fitting 26.

While boiling water as described above, when the engine key switch E is in the ON position, electricity is being supplied to the heater 6 from the generator installed in the car, which is fine, but when the engine is not running, When the key is in the ACC position, electricity is supplied from the battery to the heater 6.
It becomes a cause of battery increase. To prevent this, make sure that the case switch 42 is in the ON state.
The LED display element 43 lights up to alert the user.

That is, the vehicle-mounted heating device of the above embodiment has the following features.

(a) Outer case A has a rectangular tube shape and surrounds almost all sides of heater B, serving as a protective cover.
Even if an impact is applied from the outside of the outer case A, the heater B will not be damaged or deformed, and the heater B can also be kept warm. In addition, if heater B is a water heater, its outer surface will be 50~
Even when the temperature reaches 60 degrees Celsius, people inside the car only touch the outer surface of the outer case A, so there is no risk of burns.

(b) Since heater B is removably attached to outer case A, it can be used not only when attached to the vehicle body but also when removed from outer case A. Therefore, it is possible to boil water in heater B before the car reaches its destination, and use heater B inside the camp tent at the destination.

(c) Since the outer case A is made of synthetic resin and has a heat insulating effect, even if the temperature inside the car changes, the temperature around the thermostat 24 fixed to the bottom of the inner container 3 of the heater B remains stable. It is easy to control the water temperature.

(d) If the shape of the heater B is, for example, a household type, the heater B can be used as an automobile heater by providing an outer case A that has a sense of unity with the heater B even if it is not mated to the inside of the automobile. Can be used as B.

(e) When heater B is not attached to outer case A, outer case A can be used as a box for organizing gloves, pass tickets, etc.

(f) Battery drain can be prevented by turning off the case switch 42 at any time. Also, it does not place a burden on the engine key switch, which has limited electrical capacity.

(g) The user can control the energization time of the heater 6 by turning the case switch 42 ON/OFF to obtain the desired water temperature.

In the above embodiment, the outer case A has a rectangular cylindrical shape and is shaped to surround almost all sides of the cylindrical heater B, but in the present invention, the outer case A is not necessarily limited to this shape. Instead, for example, the outer case A may have a shape that only surrounds the lower part of the heater B, and may be configured to increase the heat insulation effect of the main body 1 of the heater B. Furthermore, the case-side connector 34 and the heater-side connector 26 are not limited to those in the above embodiments, but may also be of a magnetic attraction type or a type in which the case-side connector 34 is directly held and operated by hand. It's okay.

<Effects> As is clear from the above description, the present invention includes an outer case fixed to the vehicle body and a heater detachably attached to the outer case, and the heater is attached to the heater body. An inner container for storing a fluid to be heated is fitted inside the inner container, and an electric heater heats the fluid inside the inner container. An electric circuit is provided across the heater, and the electric circuit includes a case-side connector provided on the outer case, and a case-side connector provided on the heater so as to be removably engaged with the case-side connector. A heater-side connector, a relay provided on the outer case to drive and control the electric heater, and a case switch provided on the outer case to be connected in series with the engine key switch. A circuit including a switch, a case switch, and the coil of the relay, and a circuit including the contacts of the relay and an electric heater are connected in parallel.

Therefore, according to the present invention, the following effects can be expected.

(i) Since the heater is removably attached to the outer case, it can be used not only when attached to the vehicle body but also when removed from the outer case. For this reason,
The heater can be used to boil water before the car reaches its destination, and then used inside the camp tent at the destination.

(ii) Even if the shape of the heater is, for example, a household type, and it is not fitted into an automobile,
By providing an outer case that is integrated with the heater, it can be used as a heater for automobiles.

(iii) Since the engine key switch and case switch are connected in series, the case switch can be turned on at any time.
By turning it off, you can prevent the battery from rising.

In addition, since a large amount of current flows through the electric heater, if an engine key switch, case switch, etc. are included in the circuit that includes this electric heater, a large load will be placed on each switch. ,
Since the circuit including the coil of the relay and the circuit including the contacts of the relay and the electric heater are connected in parallel, it is possible to prevent a load from being placed on the engine key switch and case switch, which have limited electrical capacity.

(iv) The user can control the energization time of the heater by turning the case switch ON/OFF to obtain the desired water temperature.

[Brief explanation of drawings]

Fig. 1 is a perspective view showing an outer case fixed to the vehicle body and a heater detachably attached to the outer case, and Fig. 2 shows the outer case with the heater removed from the outer case. A perspective view of the heater, Fig. 3 is a vertical cross-sectional view of the heater attached to the outer case, Fig. 4 is a perspective view of the case-side connector and the heater-side connector, and Fig. 5 is an electric circuit diagram. It is. A: Outer case, B: Heater, D: Electric circuit,
E: Engine key switch, 6: Heater, 2
6: Heater side connection tool, 34: Case side connection tool, 2
8: Case body, 29: Fixed plate, 30: Upper opening,
31: Front recess, 41: Relay, which is an example of a control electrical component, 41a: Relay contact, 41b: Relay coil, 42: Case switch, 43: LED
display element.

Claims (1)

[Scope of utility model registration request] The heater includes an outer case that is fixed to the vehicle body, and a heater that is removably attached to the outer case. An electric heater is provided to heat the fluid inside the inner container, and an electric circuit is provided across the outer case and the heater in order to supply electricity from a vehicle-mounted power source to the electric heater, and the electric circuit A case-side connector provided on the outer case, a heater-side connector provided on the heater so as to be removably fitted to the case-side connector, and a device for driving and controlling the electric heater. A circuit comprising a relay provided in an outer case and a case switch provided in the outer case so as to be connected in series with an engine key switch, the circuit including the engine key switch, the case switch, and the coil of the relay; A vehicle-mounted heating device characterized in that a contact point of the relay and a circuit including an electric heater are connected in parallel.