CN105953438A - Dual-purpose electric water heater for house and vehicle - Google Patents

Dual-purpose electric water heater for house and vehicle Download PDF

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Publication number
CN105953438A
CN105953438A CN201610498751.XA CN201610498751A CN105953438A CN 105953438 A CN105953438 A CN 105953438A CN 201610498751 A CN201610498751 A CN 201610498751A CN 105953438 A CN105953438 A CN 105953438A
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CN
China
Prior art keywords
temperature
port
heater
connects
relay
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610498751.XA
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Chinese (zh)
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CN105953438B (en
Inventor
何茂财
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GUANGDONG GEMEIQI ELECTRICAL APPLIANCES CO Ltd
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GUANGDONG GEMEIQI ELECTRICAL APPLIANCES CO Ltd
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Priority to CN201610498751.XA priority Critical patent/CN105953438B/en
Publication of CN105953438A publication Critical patent/CN105953438A/en
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Publication of CN105953438B publication Critical patent/CN105953438B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/20Arrangement or mounting of control or safety devices
    • F24H9/2007Arrangement or mounting of control or safety devices for water heaters
    • F24H9/2014Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
    • F24H9/2021Storage heaters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R15/00Arrangements or adaptations of sanitation devices
    • B60R15/02Washing facilities

Abstract

The invention discloses a dual-purpose electric water heater for a house and a vehicle. The dual-purpose electric water heater comprises a water tank, a second power source B2, a first heating circuit, a second heating circuit and a control circuit. The first heating circuit is used for heating water in the water tank when being connected with the electric supply. The second heating circuit is used for heating the water in the water tank when being connected with the second power source B2. The control circuit is used for controlling the second heating circuit and the second power source B2 to be disconnected when the first heating circuit is connected with the electric supply and controlling the second heating circuit and the second power source B2 to be connected when the first heating circuit and the electric supply are disconnected. The dual-purpose electric water heater has the beneficial effects that switching of the working states of the two different kinds of heating circuits is controlled through one control circuit, electric supply is preferably selected for heating when electric supply is available for power supply heating, and the power source is switched for heating when electric supply is not available for power supply, and the circuits are intelligently switched for reasonably utilizing energy.

Description

A kind of dual-purpose electric heater of caravan
Technical field
The present invention relates to electric heater technology, particularly relate to a kind of dual-purpose electric heater of caravan.
Background technology
Along with improving constantly of people's living standard, caravan increasingly joyous by different home Meeting, caravan has the biggest space, and general caravan is designed with toilet, and user can be Have a bath on caravan;Even if caravan in the wild time, vehicle power and vehicle-mounted water tank on caravan all may be used To meet the demand of user needs hot water;If but caravan travels on the ground having urban construction Side, when conveniently can use civil power, still use vehicle power to carry out heating and heat up water, so for The use of the energy is not the most reasonable.
Summary of the invention
In order to overcome the deficiencies in the prior art, it is an object of the invention to provide a kind of caravan dual-purpose Electric heater, it is provided that two kinds of heater circuit reasonable energy utilizations.
The purpose of the present invention realizes by the following technical solutions:
A kind of dual-purpose electric heater of caravan, including water tank, second source B2, first adds thermoelectricity Road, the second heater circuit and control circuit;To water when first heater circuit is used for connecting civil power Water in case heats;To in water tank when second heater circuit is used for connecting second source B2 Water heat;Control circuit for electrically connecting time control system second at the first heater circuit with city Heater circuit disconnects with second source B2, and in the first heater circuit and the electrically disconnected time control system in city Second heater circuit is connected with second source B2.
As preferably, the first heater circuit includes interface CN, temperature controller A1 and the first heating Silk H1, temperature controller A1 include temperature detect switch (TDS);The live wire end L of interface CN and temperature detect switch (TDS) One end connect, one end of the first heater strip H1 is connected with the other end of temperature detect switch (TDS);First The other end of heater strip H1 is connected with the zero line side N of the interface CN of interface CN, interface CN Ground end ground connection;Temperature detect switch (TDS) is normally closed, and temperature controller A1 is used for detecting the water temperature in water tank, and Temperature detect switch (TDS) is made to disconnect when water temperature reaches the first preset temperature.
As preferably, the first heater circuit also includes the first temperature limiter T1, the fire of interface CN First port of line end L and the first temperature limiter T1 connects, second end of the first temperature limiter T1 Mouth is connected with one end of temperature controller A1, the other end of the first heater strip H1 and the first temperature limiter Four ports of T1 connect, the 3rd port of the first temperature limiter T1 and the zero line side N of interface CN Connect;When first temperature limiter T1 water temperature in detection collocation water tank reaches the second preset temperature Disconnect.
As preferably, the first heater circuit also includes hand switch S3, the one of hand switch S3 End is connected with the other end of temperature detect switch (TDS), one end of the first heater strip H1 and hand switch S3 The other end connect.
As preferably, the first heater circuit also includes the first display lamp L1, the first display lamp L1 One end be connected with one end of the first heater strip H1, the other end of the first display lamp L1 and The other end of one heater strip H1 connects.
As preferably, control circuit includes transformator VT, the first relay S1, the second relay Device S2, output voltage are the first power supply B1 and control chip C of the first voltage;Transformator The first input end of VT is connected with one end of temperature detect switch (TDS), second input of transformator VT Being connected with the other end of the first heater strip H1, first outfan of transformator VT and first continues First port of electrical equipment S1 connects, the first relay S1 the second port and transformator VT Second outfan connect;The positive pole of the first power supply B1 and the 3rd end of the first relay S1 Mouth connects, and the 4th port of the first relay S1 is connected with first port of control chip C, Second port of control chip C and the negative pole of the first power supply B1 connect;The of control chip C First port of four ports and the second relay S2 connects, second port of the second relay S2 It is connected with the 3rd port of control chip C.
As preferably, described second heater circuit includes the second heater strip H2 and temperature detector TS, The output voltage of second source B2 is the first voltage;The positive pole of second source B2 and second continues 3rd port of electrical equipment S2 connects, and one end of the second heater strip H2 is with the second relay S2's 4th port connects, and the other end of the second heater strip H2 is connected with the negative pole of second source B2; Temperature detector TS reaches the first predetermined stably transmission water temperature signal extremely for detecting the water temperature in water tank Control chip C, makes control chip C control the second relay S2 and disconnects.
As preferably, the second heater circuit also includes the second display lamp L2, the second display lamp L2 One end be connected with one end of the second heater strip H2, the other end of the second display lamp L2 and The other end of two heater strip H2 connects.
As preferably, described second heater circuit also includes the second temperature limiter T2, second source The positive pole of B2 and first port of the second temperature limiter T2 connect, the second of the second temperature limiter T2 3rd port of port and the second relay S2 connects, the other end of the second heater strip H2 with 4th port of the second temperature limiter T2 connects, the 3rd port and second of the second temperature limiter T2 The negative pole of power supply B2 connects;Second temperature limiter T2 is for reaching in the water temperature detected in water tank Disconnect to during the second preset temperature.
As preferably, described first preset temperature is 75 DEG C, and the second preset temperature is 90 DEG C.
Compared to existing technology, the beneficial effects of the present invention is:
The switching of the duty of two kinds of different heating circuit is controlled by a control circuit, There is mains-supplied when of heating, to be preferably city's electrical heating, when there is no mains-supplied, switch to Power supply heats, intelligence switching circuit reasonable energy utilization.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the dual-purpose electric heater of caravan of the present invention.
Detailed description of the invention
Below, in conjunction with accompanying drawing and detailed description of the invention, the present invention is described further:
As it is shown in figure 1, a kind of dual-purpose electric heater of caravan, including water tank, second source B2, First heater circuit, the second heater circuit and control circuit, described first heater circuit is used for leading to Crossing civil power to heat the water in water tank, the second heater circuit is for by second source B2 Heating the water of water tank, control circuit is for controlling the first heater circuit and the second heating The duty of circuit.
First heater circuit includes for connecting the interface CN of civil power, the first temperature limiter T1, temperature Control device A1, hand switch S3, the first heater strip H1 and the first display lamp L1, temperature controller A1 includes temperature detect switch (TDS).Second heater circuit includes the second temperature limiter T2, the second display lamp L2, temperature detector TS and the second heater strip H2.Control circuit includes transformator VT, first continues Electrical equipment S1, the second relay S2, the first power supply B1 and control chip C.Described first electricity Source B1 and second source B2 output voltage are the first voltage, and the first voltage is 12V.
In first heater circuit, the live wire end L and the first of the first temperature limiter T1 of interface CN Port connects, and second port of the first temperature limiter T1 is by temperature detect switch (TDS) and hand switch S3 One end connect, one end of the first display lamp L1 and one end of the first heater strip H1 are all and hands The other end of dynamic switch S3 connects;The other end of the first display lamp L1 and the first heater strip H1 The other end all four ports with the first temperature limiter T1 be connected, the 3rd of the first temperature limiter T1 Port is connected with the zero line side N of interface CN;The ground end ground connection of interface CN.
In second heater circuit, the positive pole of second source B2 and the first of the second temperature limiter T2 Port connects, second port of the second temperature limiter T2 and the 3rd port of the second relay S2 Connect, one end of the second display lamp L2 and one end of the second heater strip H2 all with the second relay 4th port of device S2 connects, the other end of the second display lamp L2 and the second heater strip H2's The other end all the 4th ports with the second temperature limiter T2 are connected, the 3rd of the second temperature limiter T2 Port is connected with the negative pole of second source B2.
In control circuit, the first input end of transformator VT and the second of the first temperature limiter T1 Port connects, and second input of transformator VT and the 4th port of the first temperature limiter T1 are even Connecing, first outfan of transformator VT and first port of the first relay S1 connect, the One relay S1 the second port be connected with second outfan of transformator VT, first continues First port of electrical equipment S1 and the first relay S1 the second port between be coil;
The positive pole of the first power supply B1 and the 3rd port of the first relay S1 connect, and first continues 4th port of electrical equipment S1 is connected with first port of control chip C, the of control chip C The negative pole of Two-port netwerk and the first power supply B1 connects;4th port of control chip C and second continues First port of electrical equipment S2 connects, second port of the second relay S2 and control chip C The 3rd port connect;Temperature detector TS is connected with the fifth port of control chip C;Second continues First port of electrical equipment S2 and the second relay S2 the second port between be coil.
First heater circuit connects civil power by interface CN, and hand switch S3 is Artificial Control Switch;During hand switch S3 Guan Bi, civil power by the first temperature limiter T1 and temperature controller A1 is First heater strip H1 and the first display lamp L1 powers, and the first heater strip H1 is to the water in water tank Heating, the first display lamp L1 is bright;When hand switch S3 disconnects, the first heater circuit Unpowered loop does not works;Temperature controller A1 is for detecting the water temperature in water tank, and temperature detect switch (TDS) is normal Closing, when the water temperature in water tank reaches the first predetermined temperature 75 DEG C, the temperature control of temperature controller A1 is opened Close and disconnect, make the first heater circuit not work;First temperature limiter T1 is for detecting in water tank Water temperature, the first temperature limiter T1 is normally closed, if temperature controller A1 fault, it is pre-that water temperature reaches second If during temperature 90 DEG C, the first temperature limiter T1 disconnects, first port of the i.e. first temperature limiter T1 Separated with second port of the first temperature limiter T1, and the 3rd of the first temperature limiter T1 the 4th port of port and the first temperature limiter T1 separated, makes the first heater circuit not work, Safety problem is caused with the water temperature over-high in caisson;First temperature limiter T1 needs hands after disconnecting Dynamic reset.
When the interface CN of the first heater circuit connects civil power, civil power is carried out by transformator VT Voltage is converted into the first voltage 12V and exports to the first relay S1, makes the first relay S1 The 3rd port and the 4th port of the first relay S1 between close, make control chip simultaneously Close between first port and second port of control chip C of C, the first power supply B1, the Forming power circuit between one relay S1 and control chip C, the first power supply B1 is for controlling Chip C powers;The first port and second port of control chip C due to control chip C Between close, make between the 3rd port and the 4th port of control chip C of control chip C Disconnect, make the 3rd port and the 4th port of the second relay S2 of the second relay S2 simultaneously Separated so that the second heater circuit loop disconnect cannot work.
When interface CN does not connect civil power, and the first relay S1 does not has the power supply of the first voltage, 3rd port of the first relay S1 and the 4th port of the first relay S1 separated, One power supply B1, loop power-off between the first relay S1 and control chip C, the first power supply B1 cannot power for control chip C, first port of control chip C and control chip C's Second port separated, therefore the 3rd port of control chip C and the 4th of control chip C Close between port, make the 3rd port and the 4th of the second relay S2 the of the second relay S2 Close between port, the loop energising work of the second heater circuit.
In second heater circuit, when the second relay S2 Guan Bi, second source B2 is the Two heater strip H2 power, and the water in water tank is heated by the second heater strip H2, and second refers to Show that lamp L2 is bright;Temperature detector TS is used for detecting the water temperature in water tank and generating water temperature signal, when When water temperature in water tank reaches the first predetermined temperature 75 DEG C, temperature detector TS sends water temperature signal extremely Control chip C, control chip C control the 3rd port of control chip C according to water temperature signal Separated with the 4th port of control chip C, so that the 3rd port of the second relay S2 Separated with the 4th port of the second relay S2, therefore the loop of the second heater circuit disconnects Cannot work;Second temperature limiter T2 is for detecting the water temperature in water tank, the second temperature limiter T2 Normally closed, when temperature detector TS fault, when water temperature reaches the second preset temperature 90 DEG C, the second limit Temperature device T2 disconnects, first port of the i.e. second temperature limiter T2 and the second of the second temperature limiter T2 Port separated, and the 3rd port of the second temperature limiter T2 and the second temperature limiter T2 4th port separated, makes the second heater strip H2 cannot power from second source B2, and One heater circuit loop disconnects and cannot work, and causes danger with the water temperature over-high in caisson;The Two temperature limiter T2 need hand-reset after disconnecting.
It will be apparent to those skilled in the art that can technical scheme as described above and structure Think, make other various corresponding changes and deformation, and all these changes and deformation Within all should belonging to the protection domain of the claims in the present invention.

Claims (10)

1. the dual-purpose electric heater of caravan, it is characterised in that include water tank, second source B2, First heater circuit, the second heater circuit and control circuit;First heater circuit is used for When connecting civil power, the water in water tank is heated;Second heater circuit is used for connection second During power supply B2, the water in water tank is heated;Control circuit is for adding thermoelectricity first Road electrically connects time control system the second heater circuit and second source B2 and disconnects with city, and the One heater circuit time control system electrically disconnected with city the second heater circuit is connected with second source B2.
2. the dual-purpose electric heater of caravan as claimed in claim 1, it is characterised in that the first heating Circuit includes interface CN, temperature controller A1 and the first heater strip H1, and temperature controller A1 includes Temperature detect switch (TDS);The live wire end L of interface CN is connected with one end of temperature detect switch (TDS), and first adds One end of heated filament H1 is connected with the other end of temperature detect switch (TDS);Another of first heater strip H1 End is connected with the zero line side N of interface CN, the ground end ground connection of interface CN;Temperature detect switch (TDS) Normally closed, temperature controller A1 is for detecting the water temperature in water tank, and it is pre-to reach first in water temperature If making temperature detect switch (TDS) disconnect during temperature.
3. the dual-purpose electric heater of caravan as claimed in claim 2, it is characterised in that the first heating Circuit also includes the first temperature limiter T1, the live wire end L of interface CN and the first temperature limiter First port of T1 connects, and second port of the first temperature limiter T1 is with temperature controller A1's One end connects, and the other end of the first heater strip H1 and four ports of the first temperature limiter T1 are even Connect, the 3rd port of the first temperature limiter T1 and the zero line side N of the interface CN of interface CN Connect;First temperature limiter T1 water temperature in detection collocation water tank reaches the second preset temperature Time disconnect.
4. the dual-purpose electric heater of caravan as claimed in claim 2, it is characterised in that the first heating Circuit also includes another of hand switch S3, one end of hand switch S3 and temperature detect switch (TDS) End connects, and one end of the first heater strip H1 is connected with the other end of hand switch S3.
5. the dual-purpose electric heater of caravan as claimed in claim 2, it is characterised in that the first heating Circuit also includes the first display lamp L1, one end of the first display lamp L1 and the first heater strip One end of H1 connects, and the other end of the first display lamp L1 and the first heater strip H1's is another One end connects.
6. the dual-purpose electric heater of caravan as claimed in claim 2, it is characterised in that control circuit It is including transformator VT, the first relay S1, the second relay S2, output voltage First power supply B1 of one voltage and control chip C;The first input end of transformator VT with One end of temperature detect switch (TDS) connects, second input of transformator VT and the first heater strip H1 The other end connect, first outfan of transformator VT and the first of the first relay S1 Port connects, the first relay S1 second output of the second port and transformator VT End connects;The positive pole of the first power supply B1 and the 3rd port of the first relay S1 connect, 4th port of the first relay S1 is connected with first port of control chip C, controls Second port of chip C and the negative pole of the first power supply B1 connect;The of control chip C First port of four ports and the second relay S2 connects, the second of the second relay S2 Port is connected with the 3rd port of control chip C.
7. the dual-purpose electric heater of caravan as claimed in claim 6, it is characterised in that described second Heater circuit includes the second heater strip H2 and temperature detector TS, the output of second source B2 Voltage is the first voltage;The positive pole of second source B2 and the 3rd end of the second relay S2 Mouth connects, and one end of the second heater strip H2 is connected with the 4th port of the second relay S2, The other end of the second heater strip H2 is connected with the negative pole of second source B2;Temperature detector TS Water temperature in detecting water tank reaches the first predetermined water temperature signal that stably sends to controlling core Sheet C, makes control chip C control the second relay S2 and disconnects.
8. the dual-purpose electric heater of caravan as claimed in claim 7, it is characterised in that the second heating Circuit also includes the second display lamp L2, one end of the second display lamp L2 and the second heater strip One end of H2 connects, and the other end of the second display lamp L2 and the second heater strip H2's is another One end connects.
9. the dual-purpose electric heater of caravan as claimed in claim 7, it is characterised in that described second Heater circuit also includes the second temperature limiter T2, the positive pole of second source B2 and the second limit temperature First port of device T2 connects, second port of the second temperature limiter T2 and the second relay 3rd port of S2 connects, the other end of the second heater strip H2 and the second temperature limiter T2 The 4th port connect, the 3rd port of the second temperature limiter T2 and second source B2's is negative Pole connects;Second temperature limiter T2 reaches second for the water temperature in water tank being detected to be preset Disconnect during temperature.
10. the dual-purpose electric heater of caravan as claimed in claim 9, it is characterised in that described first Preset temperature is 75 DEG C, and the second preset temperature is 90 DEG C.
CN201610498751.XA 2016-06-27 2016-06-27 A kind of dual-purpose electric heater of caravan Active CN105953438B (en)

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CN201610498751.XA CN105953438B (en) 2016-06-27 2016-06-27 A kind of dual-purpose electric heater of caravan

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Application Number Priority Date Filing Date Title
CN201610498751.XA CN105953438B (en) 2016-06-27 2016-06-27 A kind of dual-purpose electric heater of caravan

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CN105953438A true CN105953438A (en) 2016-09-21
CN105953438B CN105953438B (en) 2019-03-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106958644A (en) * 2017-05-24 2017-07-18 北京天元陆兵汽车科技有限公司 Automatic gear-box Intelligent curving equipment

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