CN217817424U

CN217817424U - Water and electricity separation safety water heater

Info

Publication number: CN217817424U
Application number: CN202221937366.8U
Authority: CN
Inventors: 张宝华
Original assignee: Zhongshan City Telaide Electrical Technology Co Ltd
Current assignee: Zhongshan City Telaide Electrical Technology Co Ltd
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2022-11-15
Anticipated expiration: 2032-07-25

Abstract

The utility model discloses a water and electricity separation safety water heater, including first relay, second relay, thermal circuit breaker, heating device and shell, first relay, second relay, thermal circuit breaker and heating device set up in the shell, first relay and second relay setting are on main control circuit, thermal circuit breaker one end extends electric wire and outside commercial power connection, first relay is connected to the thermal circuit breaker other end, first relay is connected with heating device, be provided with the heating water pipe in the heating device, the second relay is connected with heating device, the second relay other end is connected with thermal circuit breaker, and when the water pipe that generates heat did not have water to flow, the thermal circuit breaker detects and appears transshipping for a long time or starts when the short circuit appears, starts thermal circuit breaker and lets first relay and second relay cut off zero line and live wire simultaneously, and heating device still carries out continuation heating when preventing not having water like this and causes the electric leakage, has improved safety in utilization.

Description

Water and electricity separation safety water heater

The technical field is as follows:

the utility model relates to an electric water heater field especially relates to a water and electricity separation safety water heater.

Background art:

at present, an electric water heater is a household appliance commonly used in daily life. The existing electric water heater has the advantages that the electric water heater can be used only by electrifying without connecting gas, is widely applied to large and small towns at present, and particularly has high popularization rate in rural areas or urban and rural combined areas without connecting gas pipelines. The electric water heater adopts the structure of water and electricity separation, guarantees that the user can not have the risk of electrocuteeing, but under some special circumstances, for example ageing damage scheduling problem has appeared in the internal heating pipe, and the electric heating part surface will form the scale deposit and cause electric heating part corrosion damage easily, can make hot water electrified, and such electric shock risk is very dangerous to the user, and it is lower to use fail safe nature, endangers user's life safety.

The utility model has the following contents:

in order to solve the technical problem, an object of the utility model is to provide a can effectually avoid the electric shock danger in the electric water heater use, improve the safety in utilization.

The purpose of the utility model is realized by the following technical scheme.

The utility model aims at providing a water and electricity separation safety water heater, including first relay, second relay, thermal circuit breaker, heating device and shell, first relay, second relay, thermal circuit breaker and heating device set up in the shell, first relay and second relay set up on the main control circuit, thermal circuit breaker one end is extended electric wire and outside commercial power connection, first relay is connected to the thermal circuit breaker other end, first relay is connected with heating device, be provided with the heating tube in the heating device, the second relay is connected with heating device, the second relay other end is connected with thermal circuit breaker.

Preferably, a power adjusting device is arranged between the second relay and the heating device.

Preferably, the main control circuit extends out of a zero sequence mutual inductance coil, and the zero sequence mutual inductance coil is sleeved between the first relay and the thermal circuit breaker or sleeved on an extended electric wire of the thermal circuit breaker.

Preferably, be provided with first inlet tube and first outlet pipe on the shell heating water pipe extension department second inlet tube and second outlet pipe in the heating device, be connected with first insulating tube between first inlet tube and the second inlet tube, be connected with the second insulating tube between first outlet pipe and the second outlet pipe.

Preferably, a temperature sensor is arranged on the first water inlet pipe and/or the first water outlet pipe, and the temperature sensor is connected with the main control circuit.

Preferably, the display device further comprises a display module and an input module, wherein the display module is arranged on the input module, and the display module and the input module are respectively connected with the main control circuit.

Preferably, the monitoring device further comprises an audible alarm, and the audible alarm is connected with the main control circuit.

Preferably, the main control circuit is connected with an anion device, and the anion device is arranged outside the shell for fixing.

Preferably, still include third relay and fourth relay, third relay and fourth relay set up on the main control circuit, the third relay connects in parallel with first relay, and is connected with heating device, the fourth relay connects in parallel with the second relay, and is connected with heating device.

Preferably, the heating device is provided with a ground wire connected with the outside, and the shell is internally provided with a protective cover plate.

Compared with the prior art, the utility model, following effect has:

1) The utility model describes a water and electricity separation safety water heater, including first relay, second relay, thermal circuit breaker, heating device and shell, first relay, second relay, thermal circuit breaker and heating device set up in the shell, first relay and second relay setting are on main control circuit, thermal circuit breaker one end extends electric wire and outside commercial power connection, first relay is connected to the thermal circuit breaker other end, first relay is connected with heating device, be provided with the heating water pipe in the heating device, the second relay is connected with heating device, the second relay other end is connected with thermal circuit breaker, and when the water pipe that generates heat did not have water to flow, the thermal circuit breaker detects and appears transshipping for a long time or starts when the short circuit appears, starts thermal circuit breaker and lets first relay and second relay cut off zero line and live wire simultaneously, prevents like this that heating device still carries out the continuation heating when not having water and causes the electric leakage, has improved the safety in utilization.

2) Other advantages of the present invention are described in detail in the examples section of this specification.

Description of the drawings:

fig. 1 is an internal structure view of an electric shock prevention type electric water heater provided by an embodiment of the present invention;

fig. 2 is an internal structure view of the electric shock prevention type electric water heater provided by the embodiment of the present invention;

fig. 3 is an internal perspective view of the electric shock resistant electric water heater provided by the embodiment of the present invention;

fig. 4 is a schematic circuit diagram of the electric shock prevention electric water heater according to the embodiment of the present invention.

In the figure: 1. a first relay; 2. a second relay; 3. a thermal circuit breaker; 4. a heating device; 5. a housing; 6. a master control circuit; 7. a power conditioning device; 8. a zero sequence mutual inductance coil; 9. a first insulating tube; 10. a second insulating tube; 11. a temperature sensor; 12. a display module; 13. an input module; 14. an audible alarm; 15. an anion device; 16. a third relay; 17. a fourth relay; 501. a first water inlet pipe; 502. a first water outlet pipe; 401. a second water inlet pipe; 402. and a second water outlet pipe.

The specific implementation mode is as follows:

the following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Example (b):

as shown in fig. 1 to 4, the present embodiment provides a water and electricity separation safety water heater, which comprises a first relay 1, a second relay 2, a thermal circuit breaker 3, a heating device 4 and a housing 5, wherein the first relay 1, the second relay 2, the thermal circuit breaker 3 and the heating device 4 are arranged in the housing 5, the first relay 1 and the second relay 2 are arranged on a main control circuit 6, and the water and electricity separation safety water heater is characterized in that: 3 one end of thermal circuit breaker extends electric wire and outside commercial power connection, first relay 1 is connected to the 3 other ends of thermal circuit breaker, first relay 1 is connected with heating device 4, be provided with the heating water pipe in the heating device 4, second relay 2 is connected with heating device 4, the 2 other ends of second relay are connected with thermal circuit breaker 3, and when the heating water pipe does not have rivers to flow, thermal circuit breaker 3 detects and starts when long-time overload appears or the short circuit appears, starts thermal circuit breaker and lets first relay and second relay cut off zero line and live wire simultaneously, prevents like this that heating device 4 from still continuing the heating and causing the electric leakage when not having water, plays the dry combustion method protection, has improved safety in utilization.

Further, a power adjusting device 7 is arranged between the second relay 2 and the heating device 4, and the power adjusting device 7 can adjust the required power.

Further, the main control circuit 6 extends out of a zero sequence mutual inductor 8, the zero sequence mutual inductor 8 is sleeved between the first relay 1 and the thermal circuit breaker 3 or sleeved on an extended electric wire of the thermal circuit breaker 3, the zero sequence mutual inductor 8 is sleeved on the electric wire, induced current is zero, when an electric shock or electric leakage fault occurs in the circuit, leakage current flows through a loop, at the moment, the current phasor passing through the mutual inductor and the unequal zero are different, if a preset action value is reached, an execution signal is sent to the main board circuit, the main board circuit sends the execution signal to the relay, power supply cut-off is carried out, and safety is provided.

Furthermore, the shell 5 is provided with a first water inlet pipe 501 and a first water outlet pipe 502, a second water inlet pipe 401 and a second water outlet pipe 402 are arranged at the extending part of the heating water pipe in the heating device 4, a first insulating pipe 9 is connected between the first water inlet pipe 501 and the second water inlet pipe 401, and a second insulating pipe 10 is connected between the first water outlet pipe 502 and the second water outlet pipe 402, so that the problem that the cold water and the hot water reach the human body and are not harmed due to insufficient water passing through the insulating water resistance hose under the condition that all protection devices in the machine fail and can not be safely powered off is prevented, the leakage current is attenuated through the water resistance insulating hose. In the conducting process, water can conduct electricity, but is also resistance, electricity can only be conducted through the water by using the insulating pipe as a water pipe, and as long as the length of the insulating pipe has a certain distance, the conducted voltage can also be reduced, so that the safety can also be improved.

Further, be provided with temperature sensor 11 on first inlet tube 501 and/or first outlet pipe 502, temperature sensor 11 is connected with main control circuit 6, and temperature sensor 11 installs on first inlet tube 501 and/or first outlet pipe 502, can detect the temperature of water, gives main control circuit 6 the temperature value, sends the result to display module by main control circuit 6 and shows, can see the temperature value of water at a glance, comes to carry out the calorific value of suitable regulation heating device according to the temperature.

Further, still include display module 12 and input module 13, display module 12 is provided with on the input module 13, display module 12 and input module 13 are connected with master control circuit 6 respectively, and input module 13 sets up master control circuit 6, later sets for relevant numerical value, shows at display module 12.

Further, still including audible alarm 14, audible alarm 14 is connected with master control circuit 6, and when the electric leakage main control circuit 6 received the electric leakage instruction, master control circuit 6 starts audible alarm 14 and starts, sends the sound of reporting to the police, can indicate the risk that is used for the electric leakage.

Further, be connected with anion apparatus 15 on the master control circuit 6, anion apparatus 15 sets up and fixes in shell 5 outside, and anion apparatus 15 can increase indoor oxygen, and the user is more comfortable.

Further, still include third relay 16 and fourth relay 17, third relay 16 and fourth relay 17 set up on master control circuit 6, third relay 16 connects in parallel with first relay 1, and is connected with heating device 4, fourth relay 17 connects in parallel with second relay 2, and is connected with heating device 4, increases a plurality of heating device groups, improves the heating effect.

Furthermore, the heating device 4 is provided with a ground wire connected with the outside, and when electricity leaks, the ground wire can discharge the leaked electricity. Be provided with the protection apron in the shell 5, the protection apron prevents that the forceful electric power from leaking, provides factor of safety.

The working principle is as follows: after the commercial power input, get into in the thermal circuit breaker 3, thermal circuit breaker 3 sets up on heating device 4, thermal circuit breaker 3 can detect whether long-time overload appears or the short circuit appears in heating device 4, play the effect of dry combustion method protection, thermal circuit breaker 3 is connected with first relay 1, first relay 1 is connected with heating device 4 again, later by heating device 4 output connection second relay 2, second relay 2 is connected with thermal circuit breaker 3 and is formed the return circuit, when long-time overload appears or the short circuit appears in heating device 4, start the thermal circuit breaker and let first relay and second relay cut off zero line and live wire simultaneously, play the effect that prevents the electric leakage, the cover has zero sequence mutual inductor 8 on connecting wire, can detect whether current phasor is normal.

Install the ground wire on heating device and the thermal circuit breaker 3, appear the electric leakage and also can discharge be connected with first insulating tube 9 between first inlet tube 501 and the second inlet tube 401, be connected with second insulating tube 10 between first outlet pipe 502 and the second outlet pipe 402, play voltage reduction, improve factor of safety.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto, and any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principles of the present invention are equivalent replacement modes, and all are included in the scope of the present invention.

Claims

1. The utility model provides a water and electricity separation safety water heater, includes first relay (1), second relay (2), thermal circuit breaker (3), heating device (4) and shell (5), first relay (1), second relay (2), thermal circuit breaker (3) and heating device (4) set up in shell (5), first relay (1) and second relay (2) set up on main control circuit (6), its characterized in that: the utility model discloses a heating device, including thermal circuit breaker (3), first relay (1), heating device (4), second relay (2) and heating device (4), thermal circuit breaker (3) one end extends the electric wire and is connected with outside commercial power, first relay (1) is connected to the thermal circuit breaker (3) other end, first relay (1) is connected with heating device (4), be provided with the heating water pipe in heating device (4), second relay (2) and thermal circuit breaker (3) are connected.

2. A water and electricity separation safety water heater according to claim 1, characterized in that: and a power adjusting device (7) is arranged between the second relay (2) and the heating device (4).

3. A water and electricity separation safety water heater according to claim 1, characterized in that: the main control circuit (6) extends out of a zero sequence mutual inductance coil (8), and the zero sequence mutual inductance coil (8) is sleeved between the first relay (1) and the thermal circuit breaker (3) or sleeved on an extending wire of the thermal circuit breaker (3).

4. A water and electricity separation safety water heater according to claim 1, characterized in that: be provided with first inlet tube (501) and first outlet pipe (502) on shell (5) heating water pipe in heating device (4) extends department second inlet tube (401) and second outlet pipe (402), be connected with first insulating tube (9) between first inlet tube (501) and second inlet tube (401), be connected with second insulating tube (10) between first outlet pipe (502) and second outlet pipe (402).

5. A water and electricity separation safety water heater according to claim 4, characterized in that: the temperature sensor (11) is arranged on the first water inlet pipe (501) and/or the first water outlet pipe (502), and the temperature sensor (11) is connected with the main control circuit (6).

6. A water and electricity separation safety water heater according to claim 1, characterized in that: still include display module (12) and input module (13), display module (12) are provided with on input module (13), display module (12) and input module (13) are connected with master control circuit (6) respectively.

7. A water and electricity separation safety water heater according to claim 1, characterized in that: the alarm device is characterized by further comprising an audible alarm (14), wherein the audible alarm (14) is connected with the main control circuit (6).

8. A water and electricity separation safety water heater according to any one of claims 1 to 7, wherein: the main control circuit (6) is connected with an anion device (15), and the anion device (15) is arranged outside the shell (5) for fixing.

9. A water and electricity separation safety water heater according to any one of claims 1 to 7, wherein: still include third relay (16) and fourth relay (17), third relay (16) and fourth relay (17) set up on master control circuit (6), third relay (16) connect in parallel with first relay (1), and are connected with heating device (4), fourth relay (17) connect in parallel with second relay (2), and are connected with heating device (4).

10. A water and electricity separation safety water heater according to any one of claims 1 to 7, wherein: the heating device (4) is provided with a ground wire connected with the outside, and the shell (5) is internally provided with a protective cover plate.