CN217283408U

CN217283408U - Control device relating to water heating

Info

Publication number: CN217283408U
Application number: CN202220684435.2U
Authority: CN
Inventors: 杨淑娟
Original assignee: Foshan Shunde Geling Electronic Technology Co ltd
Current assignee: Foshan Shunde Geling Electronic Technology Co ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-08-23
Anticipated expiration: 2032-03-25

Abstract

The utility model discloses a controlling means who relates to water heating belongs to the electrical heating field, pass through the series circuit that live wire L1 and zero line N1 and thyristor are constituteed including AC input end, parallelly connected in the series circuit that AC input end and thyristor are constituteed has resistance R1, resistance R2 and controller. When the accessed power supply is 110-250V alternating current, current is input from an alternating current input end, the synchronous controller detects the voltage number of input voltage through the resistor R1 and the resistor R2, the output power of the thyristor is adjusted according to the voltage control board, when the accessed power supply is 12-36V direct current, the current is input from a direct current input end, the voltage is changed into 220V alternating current through the DC-to-AC inverter and then is merged into the circuit, and therefore the circuit can operate as above.

Description

Control device relating to water heating

Technical Field

The utility model relates to an electrical heating field especially relates to a controlling means who relates to water heating.

Background

With the development of science and technology, people's life is more portable to the power consumption, and most portable power source all adopts direct current interface, and direct output is 12V low pressure generally and stores energy with the battery. The common water heating equipment in the market is single alternating current heating mode mostly, this mode is also the comparatively general mode of present family expenses, the part is for conveniently carrying simultaneously, there is the straight-flow water heater of a low power all can, use, as this kind of water heating equipment at present, it is single mostly to use the scene, to some audience personnel demands, can't accomplish interchange and DC power supply's integration, make it need for one kind can realize that alternating current and direct current homoenergetic guarantee the water heater that the cooperation was used of switching safely urgently.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the utility model provides a controlling means who relates to water heating has solved present water heater's energy access mode singleness, makes its limited problem of use scene.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a control device who relates to water heating, includes the series circuit that alternating current input end passes through live wire L1 and zero line N1 and thyristor constitution, parallelly connected resistance R1, resistance R2 and controller in the series circuit that alternating current input end and thyristor constitute, one side of controller is connected with the thyristor electricity through resistance R3.

One side electricity of controller is connected with the relay coil, relay coil on-off control has the pair normal close relay, and series circuit passes through the live wire L2 and the zero line N2 electricity of pair normal close relay and is connected with the DC and changes the AC inverter, one side electricity that the DC changes the AC inverter is connected with direct current input.

The series circuit is connected in series with a heating device and a protective tube, and the surface of the controller is electrically connected with a temperature touch sensor.

As an optimal technical scheme of the utility model, the live wire L1 of AC input end is connected with the T1 port electricity of thyristor, the T2 port of thyristor is connected with the zero line interface electricity of AC input end, resistance R3 is connected with the trigger utmost point G port electricity of thyristor.

As an optimized technical scheme of the utility model, the ground connection is done through the ground wire to the ac input end, the device that generates heat includes the carrier that is heated of its surface contact, the device that generates heat is one of heating tube or the device that generates heat.

As an optimized technical scheme of the utility model, the temperature touch sensor is negative temperature coefficient ntc thermistor, and the temperature touch sensor is fixed in the device surface that generates heat.

As an optimized technical solution of the present invention, the resistor R1, the resistor R2, and the resistor R3 are current-limiting resistors, and the maximum current-limiting voltage is 250 v.

As a preferred technical scheme of the utility model, alternating current input includes AC110V-230V alternating voltage input range, direct current input includes DC12-36V direct current voltage input range, direct current input includes 12-36V direct current's power adapter and USB interface.

As a preferred technical solution of the present invention, the controller can detect the input voltage through the resistor R1 and the resistor R2, and adjust the output power of the thyristor according to the detected input voltage.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. the control device related to water heating can be powered by 110V-250V alternating current or 12-36V direct current, when the connected power supply is 110-250V alternating current, current is input from the alternating current input end, the synchronous controller detects the voltage of the input voltage through the resistor R1 and the resistor R2, the output power of the thyristor is adjusted according to the voltage control board, thereby cooperating with the temperature sensor, namely NTC to control the heating device to achieve different heating effects on the liquid, when the connected power supply is 12-36V direct current, current is input from the direct current input end, the voltage is changed into 220V alternating current through a DC-to-AC inverter of DC12-36V/220V, and then the alternating current is merged into the circuit, so that the circuit can work normally, the mode can keep the cooperation of alternating current and direct current, and the use scene and the application range of the device can be greatly expanded.

2. The control device related to water heating is characterized in that the circuit isolates the circuits of two power interfaces through a duplex normally closed relay, when AC110V-230V is input through an AC input end, a live wire L1 supplies power to a controller, a relay coil J1 obtains voltage, the relay coil J1 triggers the duplex normally closed relay to jump off, the DC12-36V/220VDC is disconnected to be converted into an AC inverter for supplying power, the DC12-36V/220 AC inverter cannot be supplied with power, the AC is prevented from flowing back to the DC12-36V/220V DC to AC inverter, the DC12-36V DC input end is also not accurate, a FUSE tube, namely FUSE, can play a role of a protection circuit, and high integration matching safety in use is kept under the integral matching.

Drawings

FIG. 1 is a circuit diagram of the duplex normally closed relay in the state of using DC current when closed;

fig. 2 is a circuit diagram of the duplex normally closed relay in the state of using ac power when the duplex normally closed relay is disconnected.

Wherein: 1. a controller; 2. a duplex normally closed relay; 3. a DC to AC inverter; 4. a thyristor; 5. a heat generating device; 6. a heated carrier; 7. an alternating current input end; 8. a DC input terminal; 9. a ground wire; 10. a fuse tube; 11. a temperature sensor; 12. a relay coil; 13. a resistor R1; 14. a resistor R2; 15. a resistor R3.

Detailed Description

Technical means for realizing the utility model; authoring features; the purpose served by the disclosure is to provide a more thorough understanding of the invention, and the description and claims, as well as the appended drawings, will be understood by those skilled in the art to which the invention pertains. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples, unless otherwise specified, are conventional methods, materials used in the following examples; reagents and the like are commercially available unless otherwise specified.

Examples

As shown in fig. 1-2, the utility model provides a, a controlling means who relates to water heating, including the series circuit that ac input 7 passes through live wire L1 and zero line N1 and thyristor 4 and constitutes, there are resistance R113, resistance R214 and controller 1 in the series circuit that ac input 7 and thyristor 4 constitute in parallel, and one side of controller 1 is connected with thyristor 4 electricity through resistance R315.

One side of the controller 1 is electrically connected with a relay coil 12, the relay coil 12 is controlled to be switched on and off by a duplex normally closed relay 2, a series circuit is electrically connected with a DC-to-AC inverter 3 through a live wire L2 and a zero wire N2 of the duplex normally closed relay 2, and one side of the DC-to-AC inverter 3 is electrically connected with a DC input end 8.

The DC-AC inverter 3 is connected with the duplex normally closed relay 2 through a live wire L2 and a zero wire N2, the output end of the duplex normally closed relay 2 is connected with a live wire L1 and a zero wire N1 of alternating current, and connection is achieved.

The series circuit is connected in series with the heating device 5 and the protective tube 10, and the surface of the controller 1 is electrically connected with the temperature sensor 11 (the temperature sensor 11 can also be embedded in the heating device 5).

The device can be powered by 110V-250V alternating current or 12V-36V direct current, when the connected power supply is 110-250V alternating current, the circuit is input from the alternating current input end 71, the resistor R113 and the resistor R214 can detect the voltage of input voltage, and the output power of the thyristor 4 is adjusted by the control board so as to be matched with the temperature touch sensor 11 to control the heating device to achieve different heating effects on liquid.

When the accessed power supply is 12-36V direct current, the power supply is input into the circuit from the alternating current input end 7, the voltage is changed into 220V alternating current through the DC-to-AC inverter 3 of DC12-36V/220V and then the alternating current is merged into the circuit, so that the circuit works normally as above, and in addition, the circuit isolates the circuits of two power supply interfaces through the duplex normally closed relay 2.

The live wire L1 of the alternating current input end 7 is connected with the protective tube 10, the other end of the protective tube 10 is connected with the heating device 5, and the other end of the heating device 5 is connected with the T1 port of the thyristor 4 and is electrically connected; the T2 port of the thyristor 4 is electrically connected with the zero line interface of the alternating current input end 7, and the resistor R315 is electrically connected with the trigger electrode G port of the thyristor 4.

The alternating current input end 7 is grounded through a ground wire 9, the heating device 5 comprises a heated carrier 6 with the surface contacted with the heating device 5, and the heating device 5 is any one of a heating tube or a heating disc.

Alternating current input 7 is handled through ground connection, makes it safer when using, and through setting up the carrier 6 that is heated, the carrier 6 that is heated can keep one effect that is heated the intensification.

The temperature sensor 11 is a negative temperature coefficient ntc thermistor, and the temperature sensor 11 is fixed on the surface of the heat generating device 5.

When the duplex normally closed relay 2 is used, the direct current input end 8 of DC12-36V and the alternating current input end 7 of AC110V-230V can only select one end to be connected with a power supply, or the direct current input end 8 of DC12-36V is connected with direct current, or the alternating current input end 7 of AC110V-230V is connected with alternating current, the two ends cannot be simultaneously connected with electricity, and the duplex normally closed relay 2 is matched with the relay coil 12 to control the on-off.

Under the condition that no voltage is input at the alternating current input end 7, the duplex normally-closed relay 2 is normally closed and is in a state of waiting for the use of direct current, and the direct current input end 8 of DC12-36V is connected with electricity for use.

The resistor R113, the resistor R214 and the resistor R315 are all current limiting resistors, and the maximum current limiting voltage is 250 v.

The resistor R113 and the resistor R214 are current-limiting resistors, only the voltage within 250V is allowed to pass at most, and the resistors are used for protecting the controller 1 from working under the set normal voltage and preventing the controller 1 and other electronic elements from being burnt out due to overhigh voltage.

The resistor R113 and the resistor R214 can detect the voltage of the input voltage through the controller 1, and the control board adjusts the output power of the thyristor 4 according to the voltage, that is: on the contrary, the controller 1 detects that the smaller the input voltage is, the smaller the power output from the controller 1 to the thyristor 4 is, the smaller the current is, the heating becomes gentle, and the time consumption becomes longer.

The resistor R315 is a current limiting resistor, and is used to protect the trigger G of the thyristor 4SCR and prevent the thyristor 4 from being burned out due to too high voltage.

The controller 1 controls the trigger electrode G of the thyristor 4SCR to trigger and conduct the T1 and the T2 ends of the thyristor 4SCR, and the current flows, namely the heating can be controlled.

The AC input 7 comprises an AC110V-230V AC voltage input range, the DC input 8 comprises a DC12-36V DC voltage input range, and the DC input 8 comprises a power adapter and a USB interface for 12-36V DC power.

The controller 1 can detect the input voltage volts through the resistor R113 and the resistor R214, and accordingly adjust the output power of the thyristor 4.

When the resistance value of the NTC thermistor of the temperature sensor 11 is reduced to O, the temperature sensor 11 has no current passing and is automatically powered off, the controller 1 has no current supplied to the trigger electrode G of the control thyristor 4, the T1 and the T2 ends of the thyristor 4 automatically trip to cut off the power supply, the current has no circulation, and the heating is stopped.

The NTC thermistor of the temperature touch sensor 11 is a negative temperature coefficient thermistor, the temperature touch sensor 11 is fixed on the heating device 5, the temperature change of the heating device 5 is detected, the heating device 5 is heated, the body temperature of the heating device can be gradually increased, the NTC thermistor temperature can also be increased along with the temperature change, the resistance value of the resistor is gradually reduced, when the resistance value of the temperature touch sensor 11 is reduced to O, the NTC thermistor of the temperature touch sensor 11 has no current to pass through, the automatic power off is realized, the water temperature reaches the preset boiling temperature at the moment, and the automatic control effect of heating liquid is realized.

The basic principles, main features and advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and only the preferred embodiments of the present invention are described in the above embodiments and the description, and the present invention is not limited by the above embodiments, and the present invention can also have various changes and improvements, which fall within the scope of the claimed invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a controlling means who relates to water heating, includes that alternating current input end (7) pass through live wire L1 and zero line N1 and thyristor (4) the series circuit who constitutes which characterized in that: a resistor R1(13), a resistor R2(14) and a controller (1) are connected in parallel in a series circuit formed by the alternating current input end (7) and the thyristor (4), and one side of the controller (1) is electrically connected with the thyristor (4) through a resistor R3 (15);

one side of the controller (1) is electrically connected with a relay coil (12), the relay coil (12) is controlled to be switched on and off by a duplex normally closed relay (2), a series circuit is electrically connected with a DC-to-AC inverter (3) through a live wire L2 and a zero wire N2 of the duplex normally closed relay (2), and one side of the DC-to-AC inverter (3) is electrically connected with a direct current input end (8);

the series circuit is connected with a heating device (5) and a protective tube (10) in series, and the surface of the controller (1) is electrically connected with a temperature touch sensor (11).

2. A control device relating to water heating according to claim 1, characterised in that: the live wire L1 of interchange input (7) is connected with protective tube (10), and the other end of protective tube (10) is connected heating device (5), and the T1 port electricity that the other end of heating device (5) was connected thyristor (4) is connected, the T2 port of thyristor (4) is connected with the zero line interface electricity of interchange input (7), resistance R3(15) is connected with the trigger utmost point G port electricity of thyristor (4).

3. A control device relating to water heating according to claim 2, characterised in that: the alternating current input end (7) is grounded through a ground wire (9), the heating device (5) comprises a heated carrier (6) with the surface contacted with the heating device, and the heating device (5) is any one of a heating tube or a heating disc.

4. A control device relating to water heating according to claim 1, characterised in that: the temperature sensor (11) is a negative temperature coefficient ntc thermistor, and the temperature sensor (11) is fixed on the surface of the heating device (5).

5. A control device relating to water heating according to claim 3, characterised in that: the resistor R1(13), the resistor R2(14) and the resistor R3(15) are all current-limiting resistors, and the maximum current-limiting voltage is 250 v.

6. A control device relating to water heating, as claimed in claim 1, wherein: the alternating current input end (7) comprises an alternating current voltage input range of AC110V-230V, the direct current input end (8) comprises a direct current voltage input range of DC12-36V, and the direct current input end (8) is a power adapter or a USB interface or a plug-in type electric connection terminal of direct current of 12-36V.

7. A control device relating to water heating according to claim 5, characterised in that: the controller (1) can detect the input voltage volt through a resistor R1(13) and a resistor R2(14), and accordingly adjust the output power of the thyristor (4).