CN211575521U - Electric water heater of integrated control - Google Patents
Electric water heater of integrated control Download PDFInfo
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- CN211575521U CN211575521U CN201922498466.XU CN201922498466U CN211575521U CN 211575521 U CN211575521 U CN 211575521U CN 201922498466 U CN201922498466 U CN 201922498466U CN 211575521 U CN211575521 U CN 211575521U
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Abstract
The utility model discloses an electric water heater of integrated control, include: the heating device comprises a heating box body, a power supply control module, a plastic surface shell and a display control module, wherein a heating pipe is arranged in the heating box body; the power supply control module is connected with the heating pipe; the plastic surface shell is connected with the bottom of the heating box body; the display control module and the power supply control module are integrated in the same circuit board, and the circuit board is arranged in the plastic surface shell. Through integrating power control module and display control module in same circuit board for the signal line between power control module and the display control module can set up through the mode of board-mounted, has avoided the emergence of broken string and contact failure condition. The utility model discloses mainly used electric water heater technical field.
Description
Technical Field
The utility model relates to an electric water heater technical field, in particular to electric water heater of integrated control.
Background
As a common household appliance, an electric water heater is generally provided with functions such as temperature adjustment and mode selection through a display control panel mounted on the whole appliance. Meanwhile, the low-voltage power supply of the display control panel is provided by a power supply controller arranged on the side edge of the whole electric water heater. Meanwhile, a relay circuit for controlling the on-off of the heating tube of the electric water heater is integrated on the power supply controller. Through the configuration of the controller, the heating control of the whole electric water heater can be realized.
However, in the current configuration of the electric water heater controller, the display control panel and the power supply controller are two independent components, and the middle of the display control panel and the power supply controller are electrically connected through a signal wire, and the signal wire is broken and is in poor contact when the whole electric water heater is assembled or used for a long time, so that the electric water heater cannot work normally.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an integrated control's electric water heater to solve one or more technical problem that exist among the prior art, provide a profitable selection or create the condition at least.
The technical scheme adopted for solving the technical problems is as follows: an integrally controlled electric water heater comprising: the heating device comprises a heating box body, a power supply control module, a plastic surface shell and a display control module, wherein a heating pipe is arranged in the heating box body; the power supply control module is connected with the heating pipe; the plastic surface shell is connected with the bottom of the heating box body; the display control module and the power supply control module are integrated in the same circuit board, and the circuit board is arranged in the plastic surface shell.
Through integrating power control module and display control module in same circuit board for the signal line between power control module and the display control module can set up through the mode of board-mounted, has avoided the emergence of broken string and contact failure condition.
Further, the power control module includes: the heating device comprises a switching power supply circuit, a silicon controlled rectifier driving circuit and a controller circuit, wherein the switching power supply circuit is used for providing electric energy for the controller circuit and a display control module, the controller circuit is used for controlling the silicon controlled rectifier driving circuit, and the silicon controlled rectifier driving circuit is used for controlling a heating pipe.
Further, the controller circuit is a single chip microcomputer U3.
Further, the switching power supply circuit includes: chip U1, resistor R1, resistor R2, resistor R3, safety capacitor CX 3, capacitor C3, electrolytic capacitor EC3, inductor L3, diode D3, fuse F3, zero line terminal N, fire line terminal L and node +5V, wherein the zero line terminal N is respectively connected with the upper end of the safety capacitor CX 3, the upper end of the resistor R3, the negative electrode of the electrolytic capacitor EC3, the upper end of the resistor R3, the anode of the diode D3, the upper end of the inductor L3, the anode of the electrolytic capacitor EC3, the upper end of the resistor R3 and the node + 5V; the upper end of the resistor R2 is connected with the lower end of the resistor R1; the cathode of the diode D3 is connected with the upper end of the capacitor C3; the fire wire end L is connected with the left end of a fuse F1, the right end of the fuse F1 is connected with the lower end of a safety regulation capacitor CX1, the lower end of a resistor R2 and the left end of a resistor R3 respectively, the right end of a resistor R3 is connected with the anode of a diode D1, the cathode of a diode D1 is connected with the anode of a diode D2, the cathode of the diode D2 is connected with the anode of an electrolytic capacitor EC3, the left end of an inductor L2 and the left end of a resistor R4 respectively, the right end of the resistor R4 is connected with the right end of the inductor L4, the anode of the electrolytic capacitor EC4 and the SW end of a chip U4 respectively, the FB end of the chip U4 is connected with the upper end of a capacitor C4, the lower end of the resistor R4 and the upper end of the resistor R4, the VDD end of the chip U4 is connected with the anode of the electrolytic capacitor EC4, the cathode of the electrolytic capacitor EC4 is connected with the lower end of the chip U4, the lower end of the capacitor C4, the, The cathode of the diode D4 is connected, and the anode of the diode D4 is connected with the cathode of the electrolytic capacitor EC1, the lower end of the capacitor C1 and the lower end of the resistor R7 respectively. The non-isolated switch power supply circuit is formed by the circuit structure, so that the whole switch power supply circuit is more efficient and safer.
Further, the switching power supply circuit further comprises a voltage dependent resistor RV1, and the voltage dependent resistor RV1 is connected with the safety regulation capacitor CX1 in parallel. By arranging the piezoresistor RV1, the piezoresistor RV1 and the safety capacitor CX1 can realize voltage-resistant protection and reduce interference harmonic waves for the switching power supply circuit.
Further, the heating pipe includes: go up heating pipe and lower heating pipe, it sets up the upper portion in the inside of heating the box to go up the heating pipe, lower heating pipe sets up the lower part in the inside of heating the box, silicon controlled rectifier drive circuit includes: a photoelectric coupler U2, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a thyristor T1, a thyristor T2, a thyristor T3 and an inductor L3, wherein the singlechip U3 is a singlechip U3, a second input end of the photoelectric coupler U2 is connected with a right end of the resistor R8, a left end of the resistor R8 is connected with a PD5 end of the singlechip U3, a first input end of the photoelectric coupler U2 is respectively connected with a zero line end N, an anode of the thyristor T1 and an anode of the thyristor T2, a first output end of the photoelectric coupler U2 is connected with a control end of the thyristor T3, an anode of the thyristor T3 is connected with a fire wire end L, a second output end of the photoelectric coupler U2 is connected with a left end of the resistor R9, a right end of the resistor R9 is respectively connected with a cathode of the thyristor T3 and an upper end of the thyristor L3, a lower end of the inductor L3 is respectively connected with a negative electrode of the heating tube, the negative pole of silicon controlled rectifier T1 is connected with the positive pole of lower heating pipe, silicon controlled rectifier T2's negative pole is connected with the positive pole of last heating pipe, silicon controlled rectifier T1's control end is connected with resistance R10's right-hand member, resistance R10's left end is connected with singlechip U3's PC4 end, silicon controlled rectifier T2's control end is connected with resistance R11's right-hand member, resistance R11's left end is connected with singlechip U3's PC5 end.
Further, the display control module includes: the digital tube display module and the touch switch, the single chip microcomputer U3 is respectively connected with the digital tube display module and the touch switch.
Further, the display control module also comprises an indicator light, and the indicator light is connected with the single chip microcomputer U3. Can instruct operating mode state through the pilot lamp, it is very convenient.
Furthermore, the plastic surface shell is connected with the bottom of the heating box body through a buckle.
Further, a waterproof sealing ring is arranged on the buckle. The waterproof sealing performance of the buckle connection is improved.
The utility model has the advantages that: through integrating power control module and display control module in same circuit board for the signal line between power control module and the display control module can set up through the mode of board-mounted, has avoided the emergence of broken string and contact failure condition.
Drawings
The present invention will be further explained with reference to the drawings and examples;
FIG. 1 is a schematic diagram of an integrally controlled electric water heater;
fig. 2 is a circuit schematic of the power control module and the display control module.
100. The digital tube display device comprises a heating box body, 200 parts of a plastic shell, 300 parts of a power plug, 110 parts of an upper heating tube, 120 parts of a lower heating tube, 101 parts of an upper temperature sensor, 102 parts of a lower temperature sensor, 210 parts of a switching power supply circuit, 220 parts of a thyristor driving circuit, 230 parts of a controller circuit, 240 parts of a digital tube display module, 201 parts of a first touch key, 202 parts of a second touch key, 203 parts of a third touch key, 204 parts of a fourth touch key.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, if words such as "a plurality" are used, the meaning is one or more, the meaning of a plurality of words is two or more, and the meaning of more than, less than, more than, etc. is understood as not including the number, and the meaning of more than, less than, more than, etc. is understood as including the number.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 and 2, an integrally controlled electric water heater includes: the heating device comprises a heating box body 100, a power supply control module, a plastic shell 200, a display control module and a power plug 300, wherein the heating box body 100 is used for storing and heating water, a heating pipe is arranged inside the heating box body 100 and is in contact with the water, and the heating pipe can be heated by electrifying the heating pipe so as to heat the water inside the heating box body 100, so that the heating function of the electric water heater is realized. The plastic panel case 200 is installed at the bottom of the heating cabinet 100. The plastic panel 200 may be mounted in various ways. It is preferable that the plastic panel case 200 and the bottom of the heating chamber 100 are coupled by a snap. In order to realize better water resistance, a waterproof sealing ring is arranged on the buckle. A power control module and a display control module are installed in the plastic panel case 200. The display control module and the power control module are integrated in the same circuit board. The circuit board is a circuit substrate, and the display control module and the power supply control module are integrated in the circuit substrate in a welding mode. The power supply control module is connected with the heating pipe. The power plug 300 is connected to the power control module.
The power control module includes: a switching power supply circuit 210, a thyristor drive circuit 220 and a controller circuit 230. The controller circuit 230 is a single chip microcomputer U3. The single-chip microcomputer U3, the resistor R12 and the capacitor C4 form a minimum system, wherein the VD end of the single-chip microcomputer U3 is connected with the right end of the capacitor C4, the left end of the resistor C4 is connected to the ground through the resistor R12, and the VSS end of the single-chip microcomputer U3 is connected to the ground.
The switching power supply circuit 210 includes: a chip U1, a resistor R1, a safety regulation capacitor CX1, a capacitor C1, an electrolytic capacitor EC1, an inductor L1, a diode D1, a fuse F1, a zero line terminal N, a line terminal L, a piezoresistor RV1 and a node +5V, wherein the zero line terminal N is respectively connected with the upper end of the safety regulation capacitor CX1, the upper end of the resistor R1, the negative electrode of the electrolytic capacitor EC1, the negative electrode of the resistor R1, the anode of the diode D1, the upper end of the inductor L1, the anode of the electrolytic capacitor EC1, the anode of the capacitor C1, the upper end of the resistor R1 and the node + 5V; the upper end of the resistor R2 is connected with the lower end of the resistor R1; the cathode of the diode D3 is connected with the upper end of the capacitor C3; the fire wire end L is connected with the left end of a fuse F1, the right end of the fuse F1 is connected with the lower end of a safety regulation capacitor CX1, the lower end of a resistor R2 and the left end of a resistor R3 respectively, the right end of a resistor R3 is connected with the anode of a diode D1, the cathode of a diode D1 is connected with the anode of a diode D2, the cathode of the diode D2 is connected with the anode of an electrolytic capacitor EC3, the left end of an inductor L2 and the left end of a resistor R4 respectively, the right end of the resistor R4 is connected with the right end of the inductor L4, the anode of the electrolytic capacitor EC4 and the SW end of a chip U4 respectively, the FB end of the chip U4 is connected with the upper end of a capacitor C4, the lower end of the resistor R4 and the upper end of the resistor R4, the VDD end of the chip U4 is connected with the anode of the electrolytic capacitor EC4, the cathode of the electrolytic capacitor EC4 is connected with the lower end of the chip U4, the lower end of the capacitor C4, the, The cathode of the diode D4 is connected, the anode of the diode D4 is connected with the cathode of the electrolytic capacitor EC1, the lower end of the capacitor C1 and the lower end of the resistor R7 respectively, the piezoresistor RV1 is connected with the safety-regulation capacitor CX1 in parallel, and the zero line end N and the fire line end L are connected with the power plug 300.
The switching power supply circuit 210 is used for converting 220V mains supply into 5V direct current and outputting the direct current from a node +5V, and the single chip microcomputer U3 obtains electric energy from the node + 5V. Of course, the mode that the single chip microcomputer U3 obtains the electric energy from the node +5V comprises various forms which can be realized by the prior art. The form can be according to the self characteristics of singlechip U3 through voltage stabilizing circuit or vary voltage circuit carry out the suitability connection for singlechip U3 can be reasonable from node +5V obtain the electric energy.
In some embodiments, the heating tube comprises: an upper heating pipe 110 and a lower heating pipe 120, the upper heating pipe 110 being disposed at an upper portion of the inside of the heating cabinet 100, and the lower heating pipe 120 being disposed at a lower portion of the inside of the heating cabinet 100. Of course, in order to better grasp the temperature of the water in the heating tank, an upper temperature sensor 101 is provided near the upper heating pipe 110, and a lower temperature sensor 102 is provided near the lower heating pipe 120. The upper temperature sensor 101 and the lower temperature sensor 102 are both connected with the single chip microcomputer U3 through leads. The thyristor drive circuit 220 includes: a photoelectric coupler U2, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a thyristor T1, a thyristor T2, a thyristor T3 and an inductor L3, wherein the singlechip U3 is a singlechip U3, a second input end of the photoelectric coupler U2 is connected with a right end of the resistor R8, a left end of the resistor R8 is connected with a PD5 end of the singlechip U3, a first input end of the photoelectric coupler U2 is respectively connected with a zero line end N, an anode of the thyristor T1 and an anode of the thyristor T2, a first output end of the photoelectric coupler U2 is connected with a control end of the thyristor T3, an anode of the thyristor T3 is connected with a fire wire end L, a second output end of the photoelectric coupler U2 is connected with a left end of the resistor R9, a right end of the resistor R9 is respectively connected with a cathode of the thyristor T3 and an upper end of the thyristor L3, a lower end of the inductor L3 is respectively connected with a cathode of the upper heating tube 110 and a lower heating tube 120, the negative pole of silicon controlled rectifier T1 is connected with the positive pole of lower heating pipe 120, silicon controlled rectifier T2's negative pole is connected with the positive pole of last heating pipe 110, silicon controlled rectifier T1's control end is connected with resistance R10's right-hand member, resistance R10's left end is connected with singlechip U3's PC4 end, silicon controlled rectifier T2's control end is connected with resistance R11's right-hand member, resistance R11's left end is connected with singlechip U3's PC5 end.
The display control module includes: nixie tube display module 240, touch switch and pilot lamp, singlechip U3 is connected with nixie tube display module 240 and touch switch respectively. Wherein, touch switch defines four groups of touch button to constitute, does respectively: the touch key comprises a first touch key 201, a second touch key 202, a third touch key 203 and a fourth touch key 204, wherein the first touch key 201 is connected with the PA1 end of the single chip microcomputer U3 through a resistor R14, the second touch key 202 is connected with the PA0 end of the single chip microcomputer U3 through a resistor R15, the third touch key 203 is connected with the PD7 end of the single chip microcomputer U3 through a resistor R16, and the fourth touch key 204 is connected with the PD6 end of the single chip microcomputer U3 through a resistor R17. The first touch key 201, the second touch key 202, the third touch key 203 and the fourth touch key 204 may be caused to perform different functions by definition. The nixie tube display module 240 is a two-digit nixie tube module, and the two-digit nixie tube module is adaptively connected with an output interface of the single chip microcomputer U3. The single chip microcomputer U3 can control the two-digit nixie tube module through the output interface of the single chip microcomputer U3. The pilot lamp comprises three luminous lamp pearls, specifically does: the LED lamp comprises a luminous lamp bead LED1, a luminous lamp bead LED2 and a luminous lamp bead LED3, wherein cathodes of the luminous lamp bead LED1, the luminous lamp bead LED2 and the luminous lamp bead LED3 are all connected in parallel and are connected to the ground through a resistor R13. The positive pole of luminous lamp pearl LED1 is connected with the PB4 end of singlechip, and luminous lamp pearl LED 2's positive pole is connected with the PB3 end of singlechip, and luminous lamp pearl LED 3's positive pole is connected with the PB2 end of singlechip.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.
Claims (10)
1. An integrated control electric water heater is characterized in that: the method comprises the following steps:
a heating box body (100) with a heating pipe inside;
the power supply control module is connected with the heating pipe;
the plastic surface shell (200) is connected with the bottom of the heating box body (100);
and the display control module and the power supply control module are integrated in the same circuit board, and the circuit board is arranged in the plastic surface shell (200).
2. An integrally controlled electric water heater according to claim 1, wherein: the power control module includes: switch power supply circuit (210), silicon controlled rectifier drive circuit (220) and controller circuit (230), switch power supply circuit (210) are used for providing the electric energy for controller circuit (230) and demonstration control module, controller circuit (230) are used for controlling silicon controlled rectifier drive circuit (220), silicon controlled rectifier drive circuit (220) are used for controlling the heating pipe.
3. An integrally controlled electric water heater according to claim 2, wherein: the controller circuit (230) is a single chip microcomputer U3.
4. An integrally controlled electric water heater according to claim 3, wherein: the switching power supply circuit (210) comprises: chip U1, resistor R1, resistor R2, resistor R3, safety capacitor CX 3, capacitor C3, electrolytic capacitor EC3, inductor L3, diode D3, fuse F3, zero line terminal N, fire line terminal L and node +5V, wherein the zero line terminal N is respectively connected with the upper end of the safety capacitor CX 3, the upper end of the resistor R3, the negative electrode of the electrolytic capacitor EC3, the upper end of the resistor R3, the anode of the diode D3, the upper end of the inductor L3, the anode of the electrolytic capacitor EC3, the upper end of the resistor R3 and the node + 5V; the upper end of the resistor R2 is connected with the lower end of the resistor R1; the cathode of the diode D3 is connected with the upper end of the capacitor C3; the fire wire end L is connected with the left end of a fuse F1, the right end of the fuse F1 is connected with the lower end of a safety regulation capacitor CX1, the lower end of a resistor R2 and the left end of a resistor R3 respectively, the right end of a resistor R3 is connected with the anode of a diode D1, the cathode of a diode D1 is connected with the anode of a diode D2, the cathode of the diode D2 is connected with the anode of an electrolytic capacitor EC3, the left end of an inductor L2 and the left end of a resistor R4 respectively, the right end of the resistor R4 is connected with the right end of the inductor L4, the anode of the electrolytic capacitor EC4 and the SW end of a chip U4 respectively, the FB end of the chip U4 is connected with the upper end of a capacitor C4, the lower end of the resistor R4 and the upper end of the resistor R4, the VDD end of the chip U4 is connected with the anode of the electrolytic capacitor EC4, the cathode of the electrolytic capacitor EC4 is connected with the lower end of the chip U4, the lower end of the capacitor C4, the, The cathode of the diode D4 is connected, and the anode of the diode D4 is connected with the cathode of the electrolytic capacitor EC1, the lower end of the capacitor C1 and the lower end of the resistor R7 respectively.
5. An integrally controlled electric water heater according to claim 4, wherein: the switching power supply circuit (210) further comprises a voltage dependent resistor RV1, and the voltage dependent resistor RV1 is connected with the safety regulation capacitor CX1 in parallel.
6. An integrally controlled electric water heater according to claim 3, wherein: the heating pipe includes: go up heating pipe (110) and lower heating pipe (120), go up heating pipe (110) and set up the upper portion in the inside of heating box (100), lower heating pipe (120) set up the lower part in the inside of heating box (100), silicon controlled rectifier drive circuit (220) include: a photoelectric coupler U2, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a thyristor T1, a thyristor T2, a thyristor T3 and an inductor L3, wherein the singlechip U3 is a singlechip U3, a second input end of the photoelectric coupler U2 is connected with a right end of the resistor R8, a left end of the resistor R8 is connected with a PD5 end of the singlechip U3, a first input end of the photoelectric coupler U2 is respectively connected with a zero line end N, an anode of the thyristor T1 and an anode of the thyristor T2, a first output end of the photoelectric coupler U2 is connected with a control end of the thyristor T3, an anode of the thyristor T3 is connected with a fire wire end L, a second output end of the photoelectric coupler U2 is connected with a left end of the resistor R9, a right end of the resistor R9 is respectively connected with a cathode of the thyristor T3 and an upper end of the thyristor L3, a lower end of the inductor L3 is respectively connected with a lower end of the heating tube (110) and a lower end of the heating tube (120), the negative pole of silicon controlled rectifier T1 is connected with the anodal of lower heating pipe (120), the negative pole of silicon controlled rectifier T2 is connected with the anodal of last heating pipe (110), silicon controlled rectifier T1's control end is connected with resistance R10's right-hand member, resistance R10's left end is connected with singlechip U3's PC4 end, silicon controlled rectifier T2's control end is connected with resistance R11's right-hand member, resistance R11's left end is connected with singlechip U3's PC5 end.
7. An integrally controlled electric water heater according to claim 3, wherein: the display control module includes: the digital tube display module (240) and the touch switch, wherein the single chip microcomputer U3 is respectively connected with the digital tube display module (240) and the touch switch.
8. An integrally controlled electric water heater according to claim 3, wherein: the display control module further comprises an indicator light, and the indicator light is connected with the single chip microcomputer U3.
9. An integrally controlled electric water heater according to claim 1, wherein: the plastic surface shell (200) is connected with the bottom of the heating box body (100) through a buckle.
10. An integrally controlled electric water heater according to claim 9, wherein: and a waterproof sealing ring is arranged on the buckle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922498466.XU CN211575521U (en) | 2019-12-31 | 2019-12-31 | Electric water heater of integrated control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922498466.XU CN211575521U (en) | 2019-12-31 | 2019-12-31 | Electric water heater of integrated control |
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| Publication Number | Publication Date |
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| CN211575521U true CN211575521U (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922498466.XU Active CN211575521U (en) | 2019-12-31 | 2019-12-31 | Electric water heater of integrated control |
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| CN (1) | CN211575521U (en) |
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