CN207487120U - A kind of vehicle-mounted water heater with antifreeze function - Google Patents

Abstract

The utility model discloses a kind of vehicle-mounted water heater with antifreeze function, including：Housing；Heating pipe is provided with cold water inlet and hot water outlet on the heating pipe；Gas burner；The solenoid valve being connected with the gas burner；For the ignition lighted a fire to the gas burner；For monitoring the first temperature sensor of the temperature of the water inside the heating pipe；The control circuit being electrically connected simultaneously with first temperature sensor, solenoid valve and ignition.Therefore the heat generated during gas burner combustion gas can heat heating pipe, and then the water inside the heating pipe is heated into hot water, improve the manufacturing speed of hot water, it can be solved again using the security risk there are electric leakage during resistive heater heating water, control circuit can control gas burner to work automatically and heat water in the heating pipe simultaneously, realize antifreeze function.

Description

A kind of vehicle-mounted water heater with antifreeze function

Technical field

The utility model is related to automotive field, particularly a kind of vehicle-mounted water heater with antifreeze function.

Background technology

It is well known that time on the way travelling of certain part long-distance bus up to more than ten hour or even tens hours, Passenger is during long-time is taken, if can have hot water to wash one's face and rinse one's mouth, can greatly improve the comfort level of passenger, and then reduce The fatigue of passenger.

Therefore, occur some vehicle-mounted water heaters for being applied to automobile on the market, although those vehicle-mounted water heaters can give birth to Heat production water is used for passenger, but those vehicle-mounted water heaters mainly pass through resistive heater heating power, so as to which cold water be added Heat needs to expend in the process a large amount of electricity into hot water, and resistive heater by cool water heating into hot water, speed is slow, Passenger is seriously affected using hot water, is in addition also easy to the security risk in the presence of electric leakage.And existing vehicle-mounted water heater production The temperature of hot water is non-adjustable, it is difficult to meet the needs of users.

In addition, in winter, if automobile is in the environment less than 0 degree, the water in vehicle-mounted water heater easily freezes, volume becomes Greatly, so damage vehicle-mounted water heater.

Utility model content

It to solve the above-mentioned problems, not only can be to avoid leakage the purpose of this utility model is to provide a kind of simple in structure Electricity, but also hot water manufacturing speed can be improved, while be also prevented from the vehicle-mounted water heater of its internal water freezing.

The utility model for solve its technical problem and the technical solution adopted is that：

A kind of vehicle-mounted water heater with antifreeze function, including：

Housing, the housing are internally provided with a cavity volume；

Heating pipe, the heating pipe are set to the inside of the cavity volume, are provided on the heating pipe cold with the external world The cold water inlet that water water inlet pipe is connected and the hot water outlet being connected with extraneous hot water outlet pipe；

Gas burner, the gas burner are set to the inside of the cavity volume and positioned at the lower sections of the heating pipe, should Gas burner is used to heat the heating pipe；

Solenoid valve, the solenoid valve are connected with the gas burner, which is used for the flow of regulating gas；

Ignition, the ignition are set in the cavity volume and positioned at the sides of the gas burner, should Ignition is used to light a fire to the gas burner；

First temperature sensor, first temperature sensor are set on the heating pipe, first temperature sensing Device is used to monitor the temperature of the water inside the heating pipe；

Control circuit, the control circuit are electrical with first temperature sensor, solenoid valve and ignition simultaneously Connection, whether which can receive the monitoring result of the first temperature sensor and control ignition igniting, simultaneously The control circuit can also control solenoid valve unlatching or valve to close.

As an improvement of the above technical solution, be additionally provided in the outer peripheral sidewall of the housing for extraneous fuel gas transmission The gas joint that pipeline is connected, the gas joint are connected with the solenoid valve.

As a further improvement of the above technical scheme, the inside of the housing is additionally provided with a heat exchange mechanisms, described to change Heat engine structure is set to the top of the gas burner, while the heating pipe is in contact with the heat exchange mechanisms.

In the utility model, the heat exchange mechanisms include a cover body being set to above the gas burner, described to add Hot channel is wound in the appearance of the cover body.

Preferably, the inner wall middle and upper part of the cover body is additionally provided with several pieces of heat exchanger fins, and the heating pipe extends into institute State the inside of cover body and the heat exchanger fin across one piece or more.

Wherein, the inside of the housing is additionally provided with exhaust fan, and the exhaust fan passes through air draft pipe and the cover body Inside is connected.

Further, the open topped of the cover body is also associated with one on the air draft pipe and can cover to be connected to the cover body Open topped at upper cover.

One preferred embodiment of the utility model is also associated with the discharge tube for discharge gas on the exhaust fan.

Further, second temperature sensor is further included, the second temperature sensor is set to adjacent on the heating pipe At the position of the nearly cold water inlet, which conveys for monitoring into the cold water in the heating pipe Temperature, while the second temperature sensor is electrically connected with the control circuit.

The beneficial effects of the utility model are：Since the utility model in being internally provided with for housing with extraneous by intaking The heating pipe that pipeline is connected, while also in the gas burner being internally provided with below the heating pipe of housing, Therefore the heat generated during gas burner combustion gas can heat heating pipe, and then the water inside the heating pipe is added There is leakage when not only having greatly increased the manufacturing speed of hot water, but also can solve using resistive heater heating water into hot water in heat The security risk of electricity greatly ensures the personal safety of user, and the vehicle-mounted water heater of the utility model passes through combustion gas Heat is generated, the technical issues of traditional vehicle-mounted water heater power consumption is big can be solved；

Simultaneously the utility model vehicle-mounted water heater be additionally provided with the solenoid valve being connected with the gas burner, for pair The first temperature sensor of the temperature of the water inside ignition and the monitoring heating pipe that gas burner is lighted a fire, The control circuit for being additionally provided with while being electrically connected with solenoid valve, ignition and the first temperature sensor, when the first temperature When sensor detects that water inside heating pipe is less than set temperature, control circuit control solenoid valve is connected and to gas burner Gas supply, while control circuit also controls ignition to light a fire, gas burner combustion gas is in heating pipe at this time Water is heated, and during temperature rise to the set temperature of the water in hot channel to be added, control circuit controls solenoid valve to disconnect again, this When gas burner stopping the water in heating pipe is heated, so as to reach the mesh for preventing the water freezing inside vehicle-mounted water heater 's；

In addition, user is as needed, the flow of the combustion gas of gas burner can be delivered to by solenoid valve control, adjusts combustion The firepower size of steam stove head, and then the hot water temperature of the vehicle-mounted water heater of the utility model is adjusted, so as to meet the difference of user Demand.

Description of the drawings

The utility model is described in further detail with reference to the accompanying drawings and detailed description.

Fig. 1 is the surface structure schematic diagram of one preferred embodiment of the utility model；

Fig. 2 is the internal structure schematic diagram of one preferred embodiment of the utility model；

Fig. 3 is the internal structure schematic diagram of one preferred embodiment another angle of the utility model；

Fig. 4 is the internal structure decomposition diagram of one preferred embodiment of the utility model；

Fig. 5 is the internal structure sectional view of one preferred embodiment of the utility model；

Fig. 6 is the installation diagram of heat exchange mechanisms and heating pipe in one preferred embodiment of the utility model；

Fig. 7 is the part drawing of gas burner in one preferred embodiment of the utility model.

Specific embodiment

Referring to figs. 1 to Fig. 7, a kind of vehicle-mounted water heater with antifreeze function, including a housing 10, the housing 10 it is interior Portion is provided with a cavity volume 11, and in the utility model, an opening, while the open-mouth are offered in the one side wall of the cavity volume 11 Detachably the door-plate (not being painted in figure) of the opening can be blocked by being provided with one；The cavity volume 11 is internally provided with heating pipe 20, be provided on the heating pipe 20 cold water inlet 21 that is connected with extraneous cold water inlet and with extraneous hot water outlet pipe The hot water outlet 22 being connected, while the gas furnace for being heated to the heating pipe 20 is additionally provided in the cavity volume 11 First 30, the gas burner 30 is located at the lower section of the heating pipe 20, meanwhile, further include a solenoid valve 300, the solenoid valve 300 are connected with the gas burner 30, which is used for the flow of regulating gas, herein, as the utility model A preferred embodiment, the solenoid valve 300 is set to the inside of the cavity volume 11, and certainly, the solenoid valve 300 is set to institute The outside for stating housing 10 is also possible, and the electronics point positioned at the side of the gas burner 30 is additionally provided in the cavity volume 11 Firearm 301, the ignition 301 are used to light a fire to the gas burner 30；Simultaneously on the heating pipe 20 Be additionally provided with for monitor its internal water temperature the first temperature sensor 220；The vehicle-mounted water heater of the utility model is also Including a control circuit, the control circuit simultaneously with first temperature sensor 220, solenoid valve 300 and ignition 301 are electrically connected, which can receive the monitoring result of the first temperature sensor 220 and control ignition 301 Igniting whether, while the control circuit can also control solenoid valve 300 open or valve close.

Since the utility model in housing 10 by being internally provided with the heating pipe being connected with extraneous inlet channel 20, while also in the gas burner 30 being internally provided with below the heating pipe 20 of housing 10, therefore gas burner The heat generated during 30 combustion gas can heat the heating pipe 20, and then the water inside the heating pipe 20 is heated There is electric leakage when into hot water, not only having greatly increased the manufacturing speed of hot water, but also can solve using resistive heater heating water Security risk, greatly ensure the personal safety of user, and the vehicle-mounted water heater of the utility model is produced by combustion gas Heat amount can solve the technical issues of traditional vehicle-mounted water heater power consumption is big.

Simultaneously the utility model vehicle-mounted water heater be additionally provided with the solenoid valve 300 being connected with the gas burner 30, For the of the temperature of the water inside the ignition 301 lighted a fire to gas burner 30 and the monitoring heating pipe 20 One temperature sensor 220 is additionally provided with while electrical with solenoid valve 300,301 and first temperature sensor 220 of ignition The control circuit of connection, when the first temperature sensor 220 detects that water inside heating pipe 20 is less than set temperature, control Circuit controling electromagnetic valve 300 is connected and to 30 delivery of fuel gas of gas burner, at the same control circuit also control ignition 301 into Row igniting, 30 combustion gas of gas burner is that the water in heating pipe 20 is heated at this time, the water in hot channel 20 to be added During temperature rise to set temperature, control circuit controls solenoid valve 300 to disconnect again, and gas burner 30 stops to heating pipe at this time Water in 20 is heated, so as to achieve the purpose that prevent the water freezing inside vehicle-mounted water heater.Herein, in order to save energy Source, while prevent the volume due to water freezing in heating pipe 20 from becoming larger, and then burst the heating pipe 20, it is new as this practicality One preferred embodiment of type, the temperature that the gas burner 30 is started to heating automatically are set as being less than 5 DEG C, and by the combustion gas It is 15 DEG C that burner 30, which stops the temperature setting heating automatically, i.e., described first temperature sensor 220 monitors the heating pipe When the temperature of water inside 20 is less than 5 DEG C, control circuit controls the solenoid valve 300 to connect and control the ignition 301 light a fire, and 30 combustion gas of gas burner automatically heats the water in the heating pipe 20 at this time, treat the first temperature When degree sensor 220 detects that the temperature of the water in heating pipe 20 reaches 15 DEG C, control circuit controls solenoid valve 300 disconnected It opens, stop to 30 delivery of fuel gas of gas burner, achieve the purpose that save combustion gas.

In addition user is as needed, and the stream for the combustion gas for being delivered to gas burner 30 can be adjusted by solenoid valve 300 Amount, it is thus possible to the firepower size of regulating gas burner 30, and then adjust the heat of the output of the vehicle-mounted water heater of the utility model The temperature of water, so as to meet the different demands of user.

Herein, it is connected for the ease of the vehicle-mounted water heater of the utility model with extraneous combustion gas, it is new as this practicality One preferred embodiment of type is additionally provided with to be connected with extraneous fuel gas transportation pipeline in the outer peripheral sidewall of the housing 10 Gas joint 31, the gas joint 31 are connected with the solenoid valve 300.By using above-mentioned structure, extraneous combustion gas Conveyance conduit only needs to be connected with the gas joint 31 being set in 10 outer peripheral sidewall of housing, you can realizes extraneous fuel gas transmission Pipeline is connected with gas burner 30, simple and convenient, and certainly, extraneous fuel gas transportation pipeline can also extend to the housing 10 Inside after, then be connected with the gas burner 30, it is also possible, but in this way, can then cause the vehicle of the utility model Heat-carrying hydrophone and the connection of extraneous fuel gas transportation pipeline are sufficiently complex and troublesome.

With reference to Fig. 2 to Fig. 5, wherein, in order to enable the vehicle-mounted water heater of the utility model can automatically adjust the temperature of hot water Degree, the control circuit can receive the monitoring result of the first temperature sensor 220 and control the stream of 300 regulating gas of solenoid valve Amount.When the temperature of user's feeling hot water, which does not meet it, to be required, user can input the temperature degree that need hot water to control circuit It counts, control circuit adjusts the flow for the combustion gas for being delivered to gas burner 30 by solenoid valve 300 at this time, regulating gas burner 30 Firepower size, so that the temperature rise of hot water or decline, when the first temperature sensor 220 detects that the temperature of hot water reaches During the number of degrees set by user, control circuit control solenoid valve 300 remains unchanged, and the firepower of gas burner 30 no longer changes at this time, The temperature of hot water is kept essentially constant.

Further, in order to enable after the cold water temperature change of extraneous input, the making of the vehicle-mounted water heater of the utility model The temperature of hot water can still remain unchanged, it is preferable that the vehicle-mounted water heater of the utility model further includes second temperature sensing Device 210, the second temperature sensor 210 are set to the position of the cold water inlet 21 neighbouring on the heating pipe 20 Place, the second temperature sensor 210 convey the temperature into the cold water in the heating pipe 20, while described second for monitoring Temperature sensor 210 is electrically connected with the control circuit, and heating pipe 20 is input to when second temperature sensor 210 detects In the temperature of cold water when changing, testing result is delivered to the control circuit, control electricity by second temperature sensor 210 Road adjusts the flow of 300 regulating gas of solenoid valve, the firepower size of corresponding regulating gas burner 30, so that vehicle-mounted again The temperature of the hot water of water heater conveying remains unchanged.

With reference to Fig. 2 to Fig. 6, in order to improve the heat utilization ratio of the vehicle-mounted water heater of the utility model, in the utility model In, it is preferable that the inside of the housing 10 is additionally provided with a heat exchange mechanisms, and the heat exchange mechanisms are set to the gas burner 30 Top, while the heating pipe 20 is in contact with the heat exchange mechanisms.Further preferably, the heat exchange mechanisms are set including one The cover body 40 of 30 top of gas burner is placed in, the heating pipe 20 is wound in the appearance of the cover body 40.In this practicality In novel, the cover body 40 can partly or entirely cover be connected in it or the cover body 40 is set by the combustion gas furnace body 30 In the surface of the gas burner 30, flame is generated when 30 combustion gas of combustion gas furnace body, those flames are entirely located in The inside of the cover body 40.

Using above-mentioned structure, the cover body 40 is heated by 30 combustion gas of gas burner, the heating pipe 20 twines The appearance of the cover body 40 is around in, the length of heating pipe 20 can be extended, and then extends heating pipe 20 and water is heated Time, while heat exchange mechanisms are also possible to transfer heat to the heating pipe 20, and then improve the vehicle of the utility model The heat utilization ratio of heat-carrying hydrophone.

With reference to Fig. 4, Fig. 5 and Fig. 6, in order to further improve the heat utilization ratio of the vehicle-mounted water heater of the utility model, make A preferred embodiment for the utility model, it is preferable that the inner wall middle and upper part of the cover body 40 is additionally provided with several pieces of heat exchanger fins 41, the heating pipe 20 extends into the inside of the cover body 40 and the heat exchanger fin 41 across one piece or more.In the utility model In, the heating pipe 20 is wound in the appearance of the cover body 40 and extends to the inside of the cover body 40, herein, described to add Hot channel 20 is also cross polylith heat exchanger fin 41, therefore the gas burner 30 positioned at 40 lower section of cover body can heat the heating simultaneously Pipeline 20, cover body 40 and heat exchanger fin 41, the cover body 40 and heat exchanger fin 41 transfer heat to the heating pipe 20 again simultaneously, And then the heat utilization ratio of the vehicle-mounted water heater of the utility model can be further improved.

Wherein, in order to enable more fully, while height can be avoided during the vehicle-mounted water heater combustion gas of the utility model The accumulated gases of temperature are in the housing 10, herein, it is preferable that the inside of the housing 10 is additionally provided with exhaust fan 50, institute It states exhaust fan 50 by air draft pipe 51 with the inside of the cover body 40 to be connected, in order to enable the air draft pipe 51 and cover body The simpler convenience of connection between 40, while the simpler convenience of assembling of the vehicle-mounted water heater convenient for the utility model, into One step is preferred, the open topped of the cover body 40, is also associated with one on the air draft pipe 51 and can cover to be connected to the cover body 40 Open topped at upper cover 510, offer the notch being connected with the air draft pipe 51 in the upper cover 510, therefore, dress Timing, it is only necessary to the upper cover 510 is covered at the open topped of the cover body 40, air draft pipe 51 and cover body can be realized 40 are connected, and then, the 50 energization work of exhaust fan simultaneously extracts the air inside the cover body 40, you can by the combustion gas The exhaust gas that burner 30 burns siphons away, while extraneous fresh air can be caused constantly to be delivered at the gas burner 30, So that during 30 combustion gas of gas burner, the burning of combustion gas is more abundant.

With reference to Fig. 1, Fig. 2 and Fig. 5, in order to enable the exhaust gas that exhaust fan 50 extracts can preferably discharge the housing 10 Outside, herein, it is preferable that the discharge tube 52 for discharge gas is also associated on the exhaust fan 50.Further preferably, The discharge tube 52 extends the outside of the housing 10.Or the floss hole of the discharge tube 52 is opened in the housing On 10 side wall, when the floss hole of the discharge tube 52 is opened on the side wall of the housing 10, extraneous pipe can be used Road is connected with the floss hole of the discharge tube 52, and then will be outside discarded discharge vehicle convenient for the vehicle-mounted water heater.

The foregoing is merely the preferred embodiments of the utility model, as long as realizing the utility model with essentially identical means The technical solution of purpose is belonged within the scope of protection of the utility model.

Claims (9)

1. a kind of vehicle-mounted water heater with antifreeze function, which is characterized in that including：

Housing (10), the housing (10) are internally provided with a cavity volume (11)；

Heating pipe (20), the heating pipe (20) are set to the inside of the cavity volume (11), are set on the heating pipe (20) It is equipped with the cold water inlet (21) being connected and the hot water outlet being connected with extraneous hot water outlet pipe with extraneous cold water inlet (22)；

Gas burner (30), the gas burner (30) are set to the inside of the cavity volume (11) and positioned at the heating pipes (20) lower section, the gas burner (30) is for heating the heating pipe (20)；

Solenoid valve (300), the solenoid valve (300) are connected with the gas burner (30), and the solenoid valve (300) is for adjusting The flow of combustion gas；

Ignition (301), the ignition (301) are set in the cavity volume (11) and positioned at the gas burners (30) side, the ignition (301) is for lighting a fire to the gas burner (30)；

First temperature sensor (220), first temperature sensor (220) are set on the heating pipe (20), this One temperature sensor (220) is for monitoring the temperature of the internal water of the heating pipe (20)；

Control circuit, the control circuit simultaneously with first temperature sensor (220), solenoid valve (300) and electronic ignition Device (301) is electrically connected, which can receive the monitoring result of the first temperature sensor (220) and control electronic ignition Whether device (301) is lighted a fire, while the control circuit can also control solenoid valve (300) unlatching or valve to close.

2. a kind of vehicle-mounted water heater with antifreeze function according to claim 1, it is characterised in that：

The gas joint for being connected with extraneous fuel gas transportation pipeline is additionally provided in the outer peripheral sidewall of the housing (10) (31), the gas joint (31) is connected with the solenoid valve (300).

3. a kind of vehicle-mounted water heater with antifreeze function according to claim 1, it is characterised in that：

The inside of the housing (10) is additionally provided with a heat exchange mechanisms, and the heat exchange mechanisms are set to the gas burner (30) Top, while the heating pipe (20) is in contact with the heat exchange mechanisms.

4. a kind of vehicle-mounted water heater with antifreeze function according to claim 3, it is characterised in that：

The heat exchange mechanisms include a cover body (40) being set to above the gas burner (30), and the heating pipe (20) twines It is around in the appearance of the cover body (40).

5. a kind of vehicle-mounted water heater with antifreeze function according to claim 4, it is characterised in that：

The inner wall middle and upper part of the cover body (40) is additionally provided with several pieces of heat exchanger fins (41), and the heating pipe (20) extends into institute State the inside of cover body (40) and the heat exchanger fin (41) across one piece or more.

6. a kind of vehicle-mounted water heater with antifreeze function according to claim 4, it is characterised in that：

The inside of the housing (10) is additionally provided with exhaust fan (50), the exhaust fan (50) by air draft pipe (51) with it is described The inside of cover body (40) is connected.

7. a kind of vehicle-mounted water heater with antifreeze function according to claim 6, it is characterised in that：

The open topped of the cover body (40) is also associated with one on the air draft pipe (51) and can cover to be connected to the cover body (40) Open topped at upper cover (510).

8. a kind of vehicle-mounted water heater with antifreeze function described according to claim 6 or 7, it is characterised in that：

The discharge tube (52) for discharge gas is also associated on the exhaust fan (50).

9. a kind of vehicle-mounted water heater with antifreeze function according to claim 1, which is characterized in that

Second temperature sensor (210) is further included, the second temperature sensor (210) is set to the heating pipe (20) At the position of the neighbouring cold water inlet (21), which conveys for monitoring into the heating tube The temperature of cold water in road (20), while the second temperature sensor (210) is electrically connected with the control circuit.