CN217715479U - Dry burning prevention device of electric water heater - Google Patents
Dry burning prevention device of electric water heater Download PDFInfo
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- CN217715479U CN217715479U CN202221572509.XU CN202221572509U CN217715479U CN 217715479 U CN217715479 U CN 217715479U CN 202221572509 U CN202221572509 U CN 202221572509U CN 217715479 U CN217715479 U CN 217715479U
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Abstract
The utility model discloses an anti-dry heating device of an electric water heater, which comprises an inner container component, wherein one side of the inner container component is provided with an electrode component for monitoring the water injection quantity of the electric water heater; the inner container assembly is provided with a heating pipe through a pressing plate, and the pressing plate is positioned below the motor assembly in the vertical direction; the electrode assembly and the heating pipe are electrically connected with the electric control board of the electric water heater through the conducting wire, the electric water heater of the utility model firstly detects the resistance or other signals of the first electrode 1 when being electrified, thereby realizing the judgment of whether the inner container assembly is filled with water or not, and transmits the signal that the electric water heater is filled with water to the electric control board, and the electric control board can only control the heating pipe to be electrified to heat the water solution in the inner container assembly; wherein, when the signal that the automatically controlled board received the inner bag subassembly and did not fill water, automatically controlled board control heating pipe stopped the heating to not fill water signal and show in order to indicate the user through the display panel, effectively avoid electric water heater to take place dry combustion method.
Description
Technical Field
The utility model relates to a water heater technical field, concretely relates to electric water heater prevents dry combustion method device.
Background
The existing water heater is generally provided with dry burning protection, the protection mode of the existing water heater has two defense lines, firstly, the electric control temperature detection is carried out, the dry burning is judged to be carried out by detecting the change of the temperature rising slope of the inner container, if the temperature rises too fast, the side exceeding the normal heating slope, namely, the relay of the heating pipe is disconnected, and a corresponding fault code is reported on a display board. The second line of defense is the action of the temperature limiter, the action temperature of the temperature limiter is above 90 degrees, namely the power supply is cut off after the temperature of the inner container exceeds more than 90 degrees, the temperature of the inner container can still rise by the waste heat of the heating pipe after the power supply is cut off, and the temperature can reach more than one hundred degrees.
Dry burning usually occurs when the water heater is installed for the first time or used again after being emptied, and the water heater is not electrified after being filled with water according to the operation sequence, but is electrified when being filled with water, which is not rare.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electric water heater prevents dry combustion method device realizes an initiative protection, and the circular telegram also ensures that electric water heater can not take place the condition of dry combustion method even when not filling with water.
An anti-dry heating device of an electric water heater comprises an inner container assembly, wherein an electrode assembly for monitoring the water injection amount of the electric water heater is arranged on one side of the inner container assembly;
the heating pipe is arranged on the inner container component through a pressing plate, and the pressing plate is positioned below the motor component in the vertical direction;
wherein, the electrode component and the heating pipe are electrically connected with an electric control board of the electric water heater through a conducting wire.
As a further aspect of the present invention: the inner container assembly is provided with a connecting end used for fixing the electrode assembly, and the electrode assembly is fixed on the connecting end of the inner container assembly through a first nut.
As a further aspect of the present invention: the electrode assembly comprises a first electrode, an annular bulge is arranged in the middle of the first electrode, and a sealing gasket is arranged between the annular bulge of the first electrode and the inner side face of the end face of the first nut.
As a further aspect of the present invention: the end face of the first nut is provided with a through hole along the central line, the first electrode penetrates through the through hole, one end, far away from the liner assembly, of the first electrode penetrates through the first nut, and an insulating gasket is arranged between the inner wall of the through hole of the first nut and the first electrode.
As a further aspect of the present invention: the first electrode penetrates through the outer circumference of one end of the first nut through hole and is provided with an external thread, the first electrode is connected with a second nut through a thread, a first connecting terminal is arranged between the second nut and the insulating gasket, and the first connecting terminal is connected with the first electrode.
As a further aspect of the present invention: the electrode assembly further comprises a second electrode mounted on the inner container assembly by a first nut;
wherein the second electrode and the first electrode have the same structure.
As a further aspect of the present invention: the electrode assembly further includes a second connection terminal disposed between the insulating gasket and an inner wall of the through-hole through which the first electrode passes through the first nut;
the second connecting terminal is conducted with the first nut and electrically connected with the electric control board through a lead.
As a further aspect of the present invention: the pressing plate is electrically connected to the electric control plate through a conducting wire, and the electrode assembly, the pressing plate and the heating pipe are conducted with each other.
The utility model has the advantages that: when the electric water heater is electrified, the resistance or other signals of the first electrode 1 are detected firstly, so that whether the inner container assembly is filled with water is judged, the signal that the electric water heater is filled with water is transmitted to the electric control board, and the electric control board can control the heating pipe to be electrified to heat the aqueous solution in the inner container assembly;
when the electric control board receives a signal that the inner container assembly is not filled with water, the electric control board controls the heating pipe to stop heating, and the signal that the inner container assembly is not filled with water is displayed through the display board to prompt a user, so that the electric water heater is effectively prevented from being dried.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic view of the structure of an electrode assembly of the present invention;
fig. 2 is a schematic structural diagram of a second connection terminal of the present invention;
fig. 3 is a schematic view showing the structure of a bipolar electrode of the electrode assembly of the present invention;
FIG. 4 is a schematic view of the structure of the present invention in which the pressing plate is connected to the electric control plate;
fig. 5 is a schematic structural view of the second connection terminal and the electric control board of the present invention.
In the figure: 1. a first electrode; 2. a first nut; 3. a sealing gasket; 4. an insulating spacer; 5. a first connection terminal; 6. a second nut; 7. a second connection terminal; 8. a second electrode;
10. a housing assembly; 20. an inner bladder component; 30. a magnesium rod assembly; 40. a water outlet pipe; 50. a water inlet pipe; 60. heating a tube; 70. an electrode assembly; 80. pressing a plate; 90. an electric control board; 100. and displaying the panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-5, the utility model relates to an anti-dry heating device for an electric water heater, wherein an inner container assembly 20 is arranged inside a housing assembly 10, an electrode assembly 70 is arranged on one side of the inner container assembly 20, a pressing plate 80 is arranged on the same side of the electrode assembly 70 and below the electrode assembly 70, and a heating pipe 60 is arranged on the inner container assembly 20 through the pressing plate 80;
wherein, an electric control board 90 and a display board 100 are arranged outside the housing component 10, the electrode component 70 and the heating tube 60 are electrically connected to the electric control board 90 through a conducting wire, and the electric control board 90 is electrically connected to the display board 100 through a conducting wire;
specifically, the inner container assembly 20 is provided with a connecting end for fixing the electrode assembly 70, the electrode assembly 70 is fixed on the connecting end of the inner container assembly 20 through a first nut 2, the electrode assembly 70 comprises a first electrode 1, the first electrode 1 is of a rod-shaped structure, an annular protrusion is arranged in the middle of the first electrode 1, a sealing gasket 3 is arranged between the annular protrusion of the first electrode 1 and the inner side face of the end face of the first nut 2, and the sealing gasket 3 is used for sealing the first electrode 1 on the inner container assembly 20;
further, one end, far away from the liner assembly 20, of the first electrode 1 penetrates through the first nut 2, wherein a through hole for the first electrode 1 to pass through is formed in the end face of the first nut 2 along the central line, an insulating gasket 4 is arranged between the inner wall of the through hole of the first nut 2 and the first electrode 1, and the first electrode 1 is insulated from the liner assembly 20 through the insulating gasket 4;
furthermore, an external thread is arranged on the outer circumferential surface of one end of the first electrode 1 penetrating through the through hole of the first nut 2, the first electrode 1 is connected with a second nut 6 through a thread, a first connecting terminal 5 is arranged between the second nut 6 and the insulating gasket 4, the first connecting terminal 5 is connected with the first electrode 1, and the first connecting terminal 5 connected to the first electrode 1 is clamped and fixed through the second nut 6 and the insulating gasket 4;
wherein, the insulating gasket 4 is a hollow boss-shaped structure;
wherein, the first electrode 1 and the annular bulge are integrally formed into an integral structure;
wherein, the first electrode 1 is insulated from the inner container assembly 20.
Wherein, the bottom area of the liner component 20 is also provided with a magnesium rod component 30, a water outlet pipe 40 and a water inlet pipe 50;
when the electric water heater is used specifically, when the electric water heater is powered on, the resistance or other signals (current or voltage) of the first electrode 1 are detected firstly, so that whether the inner container assembly 20 is filled with water is judged, the signal that the electric water heater is filled with water is transmitted to the electric control board 90, and the electric control board 90 can control the heating pipe 60 to be powered on to heat the water solution in the inner container assembly 20;
when the electronic control board 90 receives a signal that the inner container assembly 20 is not filled with water, the electronic control board 90 controls the heating pipe 60 to stop heating, and the signal indicating that the inner container assembly 20 is not filled with water is displayed through the display board 100 to prompt a user to prevent the electric water heater from being dried.
Example 2
The embodiment of the present embodiment is substantially the same as that of embodiment 1, except that a double-electrode structure is provided on the inner container assembly 20, i.e., a first electrode 1 and a second electrode 8;
specifically, a first electrode 1 and a second electrode 8 are arranged on a first nut 2 side by side, and the connection relationship between the second electrode 8 and the first nut 2 and the liner assembly 20 is completely consistent with the connection relationship between the first electrode 1 and the first nut 2 and the liner assembly 20;
when the electric water heater is used specifically, when the electric water heater is electrified, the resistance or other signals (current or voltage) between the first electrode 1 and the second electrode 8 are detected firstly, so that whether the liner component 20 is filled with water is judged, the signal that the electric water heater is filled with water is transmitted to the electric control board 90, and the electric control board 90 can control the heating pipe 60 to be electrified to heat the water solution in the liner component 20;
when the electronic control board 90 receives a signal that the inner container assembly 20 is not filled with water, the electronic control board 90 controls the heating pipe 60 to stop heating, and the signal indicating that the inner container assembly 20 is not filled with water is displayed through the display board 100 to prompt a user to prevent the electric water heater from being dried.
Example 3
This embodiment is substantially identical to the embodiment of embodiment 1 except that a second connection terminal 7 is led out on the electrode assembly 70;
specifically, the second connecting terminal 7 is arranged between the inner wall of the through hole through which the first electrode 1 passes and the insulating gasket 4 and the first nut 2, and the second connecting terminal 7 is conducted with the first nut 2, so that the second connecting terminal 7 is conducted with the liner assembly 20, and the second connecting terminal 7 is electrically connected with the electric control board 90 through a wire.
Example 4
The present embodiment is substantially identical to the embodiment of embodiment 1, except that, under the structure that the pressing plate 80 fixes the heating tube 60 to the inner container assembly 20, the electrode assembly 70, the pressing plate 80 and the heating tube 60 are all electrically connected to the electric control plate 90 through conducting wires, and the electrode assembly 70, the pressing plate 80 and the heating tube 60 are conducted with each other.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (8)
1. An anti-dry heating device of an electric water heater comprises a liner component (20), and is characterized in that one side of the liner component (20) is provided with an electrode component (70) for monitoring the water injection quantity of the electric water heater;
the heating pipe (60) is arranged on the inner container assembly (20) through a pressing plate (80), and the pressing plate (80) is located below the electrode assembly (70) in the vertical direction;
wherein, the electrode assembly (70) and the heating pipe (60) are electrically connected with an electric control board (90) of the electric water heater through leads.
2. The dry-heating preventing device for the electric water heater according to claim 1, wherein the inner container assembly (20) is provided with a connecting terminal for fixing the electrode assembly (70), and the electrode assembly (70) is fixed on the connecting terminal of the inner container assembly (20) through the first nut (2).
3. The dry-burning prevention device for electric water heater according to claim 2, wherein the electrode assembly (70) comprises a first electrode (1), the middle of the first electrode (1) is provided with an annular protrusion, and a sealing gasket (3) is arranged between the annular protrusion of the first electrode (1) and the inner side of the end face of the first nut (2).
4. The dry burning prevention device for the electric water heater according to claim 3, wherein the end surface of the first nut (2) is provided with a through hole along the center line for the first electrode (1) to pass through, one end of the first electrode (1) far away from the inner container assembly (20) is arranged through the first nut (2), and an insulating gasket (4) is arranged between the inner wall of the through hole of the first nut (2) and the first electrode (1).
5. The dry burning prevention device for the electric water heater according to claim 4, wherein the first electrode (1) has an external thread formed on an outer circumferential surface of one end of the through hole penetrating through the first nut (2), the first electrode (1) is connected with the second nut (6) through the thread, a first connection terminal (5) is arranged between the second nut (6) and the insulating gasket (4), and the first connection terminal (5) is connected with the first electrode (1).
6. The dry-heating preventing device for electric water heater of claim 5, wherein the electrode assembly (70) further comprises a second electrode (8), the second electrode (8) is mounted on the inner container assembly (20) through the first nut (2);
wherein the second electrode (8) and the first electrode (1) have the same structure.
7. The dry-burning preventing device of claim 5, wherein the electrode assembly (70) further comprises a second connecting terminal (7), the second connecting terminal (7) is disposed between the insulating gasket (4) and the inner wall of the through hole of the first nut (2) for the first electrode (1) to pass through;
the second connecting terminal (7) is communicated with the first nut (2), and the second connecting terminal (7) is electrically connected with the electric control board (90) through a lead.
8. The dry-burning preventing device of claim 1, wherein the pressing plate (80) is electrically connected to the electric control plate (90) through a conducting wire, and the electrode assembly (70), the pressing plate (80) and the heating tube (60) are conducted with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221572509.XU CN217715479U (en) | 2022-06-22 | 2022-06-22 | Dry burning prevention device of electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221572509.XU CN217715479U (en) | 2022-06-22 | 2022-06-22 | Dry burning prevention device of electric water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217715479U true CN217715479U (en) | 2022-11-01 |
Family
ID=83774759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221572509.XU Active CN217715479U (en) | 2022-06-22 | 2022-06-22 | Dry burning prevention device of electric water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217715479U (en) |
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2022
- 2022-06-22 CN CN202221572509.XU patent/CN217715479U/en active Active
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