CN213178858U - Water heater outlet water temperature control device - Google Patents
Water heater outlet water temperature control device Download PDFInfo
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- CN213178858U CN213178858U CN202021985172.6U CN202021985172U CN213178858U CN 213178858 U CN213178858 U CN 213178858U CN 202021985172 U CN202021985172 U CN 202021985172U CN 213178858 U CN213178858 U CN 213178858U
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Abstract
The utility model provides a water outlet temperature control device of a water heater, which comprises a water heater shell, a temperature controller and a heat source selection device which are arranged outside the hot water shell, wherein the outer side of the water heater shell is provided with an insulating plate, the inside of the water heater shell is provided with a sealing cavity, the inside of the sealing cavity is provided with a proportional flow control mechanism, the proportional flow control mechanism comprises a core valve and left and right electromagnetic soft irons arranged at two sides of the core valve, wherein, left and right coils are evenly wound on the left and right electromagnetic soft irons, a water inlet and a water outlet are arranged on the water heater shell and the valve seat, the water inlet and the water outlet are connected by a hose, the device can freely set the temperature, through the automatic heat source of selecting of the temperature that sets up, after selecting the heat source, the play water temperature of delivery port passes through the size of the electric current of temperature controller control left and right coils and voltage to the removal of control core valve reaches the effect that the play water temperature is invariable.
Description
Technical Field
The utility model belongs to the technical field of the water heater control, concretely relates to water heater goes out water temperature control device.
Background
With the continuous progress of the times, water heaters become one of indispensable devices in people's lives, after the water heaters have developed for many years, the water heaters in the market at present comprise solar water heaters, gas energy water heaters, electric water heaters, air energy water heaters and the like, a hot water opening and a cold water opening in the water heaters are connected through a water mixing valve, cold water and hot water are mixed at the water mixing valve and are discharged out through a water outlet for users to use, the outlet water temperature is realized by the users through rotating a handle of the water mixing valve, the outlet water temperature is not easy to adjust, the water temperature can have uneven cold and hot temperatures in the bathing process, the water temperature change can cause people to feel uncomfortable, the water temperature needs to be adjusted continuously, the operation process is complicated, and people feel unhappy.
Disclosure of Invention
An object of the utility model is to provide a can automatic control water heater leaving water temperature, temperature control time is short, the precision is high, practical reliable's intelligent water heater temperature control device to the difficult regulation of the water heater leaving water temperature that exists among the prior art, and the leaving water temperature is cold and hot uneven, and debugging temperature complex operation scheduling problem provides.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a water heater leaving water temperature control device, includes the water heater casing and sets up at the outside temperature controller of water heater casing and heat source selection device, the water heater casing outside is equipped with the insulation board, and the inside sealed chamber that is equipped with of water heater casing, its characterized in that: the inside in sealed chamber is equipped with proportional flow control mechanism, proportional flow control mechanism includes the disk seat, and this disk seat fixed mounting is inside the water heater casing, be equipped with the inner chamber in the disk seat, this inner chamber is equipped with the case through clearance fit, the symmetry is equipped with left electromagnetism soft iron and right electromagnetism soft iron on the inside wall of disk seat, and left electromagnetism soft iron and right electromagnetism soft iron are located the both sides of case, wherein evenly twine left coil and right coil on left electromagnetism soft iron and the right electromagnetism soft iron respectively, be equipped with water inlet and delivery port on water heater casing and the disk seat, the water inlet passes through the hose connection with the delivery port.
The improvement of the technical scheme is that the inner cavity arranged in the valve seat is a cylindrical inner cavity, a valve core is arranged in the cylindrical inner cavity through clearance fit, an annular groove is formed in the middle of the valve core, an annular cavity is formed between the annular groove and the surface of the inner cavity of the valve seat, and the two ends of the valve core and the inner side wall of the valve seat form the cylindrical cavity. This is rational in infrastructure, and the case can not block the shell when moving about under the effect of stress for the device is more sensitive and accurate.
The technical scheme is further improved, a first water inlet hole and a second water inlet hole which are communicated with the annular cavity are formed in the upper end of the valve seat, a left wiring hole and a right wiring hole which are communicated with cavities on two sides of the valve core and used for allowing the left coil and the right coil to penetrate through are also formed in the upper end of the valve seat, a third opening which is communicated with the annular cavity is formed in the lower end of the valve seat, a water outlet hole which is communicated with the third opening is formed in the lower end of the water heater shell, a first opening, a sealing sleeve and a second opening are sequentially formed in the upper end of the water heater shell. Reasonable structure and convenient assembly.
The technical scheme is further improved, a first two-way connector and a second two-way connector are arranged at a first opening and a second opening which are arranged at the upper end of the water heater shell, external threads are respectively processed at the two ends of the first two-way connector and the second two-way connector, a first water inlet, a second water inlet and a second water outlet are boss holes and are respectively provided with external threads, the hose comprises a water inlet hose and a water outlet hose, the water inlet hose comprises a cold water hose and a hot water hose, the cold water hose comprises a first cold water hose and a second cold water hose, one end of the first cold water hose is connected with a cold water inlet, the other end of the first cold water hose is connected with one end of the first two-way connector through threads, the other end of the first two-way connector is connected with the second cold water hose through threads, the other end of the second cold water hose is connected with the boss hole which is arranged at the upper end of the valve seat through threads, the hot water hose comprises the first hot water hose and, one end of the first hot water hose is connected with the hot water port, the other end of the first hot water hose is connected with one end of the two-way connector II through threads, the other end of the two-way connector II is connected with the second hot water hose through threads, the other end of the second hot water hose is connected with the boss hole II arranged at the upper end of the valve seat through threads, and the water outlet hose is connected with the water outlet through threads. The cold water hose, the hot water hose and the water outlet hose are connected in a threaded connection mode, the threaded connection has the advantages of being simple in structure, reliable in connection, convenient to detach and the like, forming integral stress in a spiral shape, not prone to damage, easy to find when problems occur, easy to solve and the like.
According to the technical scheme, the temperature sensor I is arranged on the first hot water hose, and the temperature sensor II is arranged on the water outlet hose. The temperature sensor has the advantages of accurate measurement, high response speed and the like, and the temperature controller is convenient for controlling the temperature by the temperature sensor, so that the outlet water temperature of the water outlet pipe is more accurate.
The technical scheme is further improved, the heat source selection device comprises a heat source I, a heat source II and a two-position three-way electromagnetic directional valve, wherein a cold water port I and a hot water port I are led on the heat source I, a cold water port II and a hot water port II are led on the heat source II, the cold water port I and the cold water port II are connected with a cold water inlet, the hot water port I and the hot water port II are respectively connected with a valve inlet I and a valve inlet II on the two-position three-way electromagnetic directional valve, and a valve outlet on the two-position three-way electromagnetic valve is connected with a first hot water hose on the water heater. The existence of the heat source selection device enables the water heater to adopt a plurality of heat sources, so that the device is more humanized.
The technical proposal is further improved, the outlet water temperature at the outlet water hose is controlled by a PID temperature controller, eight input ports I are arranged on the PID temperature controller0~I7Has eight output ports, each is O0~O7. The PID temperature controller has the advantages of high control precision, small temperature difference, small temperature fluctuation and the like, and the input port and the output port are both left with spare space and can be used for function expansion.
According to the technical scheme, the cold water hose, the hot water hose and the water outlet hose are all steel wire hoses. The steel wire hose has the advantages of good wear-resisting function, good aging-resisting function, long service life and the like.
According to the technical scheme, the water heater is further improved, the water heater shell and the insulating plate are respectively provided with a mounting hole, and the water heater shell and the insulating plate are mounted with the wall body through the mounting holes. Reasonable in design is equipped with the mounting hole on the water heater, and the accessible mounting hole takes screw thread or bolted connection's mode to install on the wall body, and simple structure saves space.
The utility model discloses a beneficial effect: the water outlet temperature control device and the control method thereof adopt the PID temperature controller to control the movement of the valve core in the proportional flow control mechanism, thereby achieving the effect of controlling the outlet temperature to be constant, realizing various control requirements such as negative feedback control, alarm reset, digital display, temperature setting input, high precision, high sensitivity and the like, and having short temperature control time, high precision, reliable use, better application prospect and obvious economic benefit.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view taken along line a-a of fig. 1.
Fig. 3 is a sectional view taken along line B-B in fig. 2.
Fig. 4 is a schematic structural diagram of the heat source selecting device of the present invention.
Fig. 5 is a schematic interface diagram of the PID temperature controller of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or component referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The utility model discloses as shown in fig. 1 to 3:
the utility model provides a water heater leaving water temperature control device, including water heater casing 2 and set up temperature controller and heat source selection device in water heater casing 2 outsides, wherein water heater casing 2 outside is equipped with insulation board 1, all be equipped with the mounting hole on water heater casing 2 and the insulation board 1, water heater casing 2 passes through the mounting hole with insulation board 1 and installs with the wall body, water heater casing 2 passes through expansion bolts with insulation board 1 and installs on the wall body, compare in other mounting means installation simpler, and stable in structure, occupation space is little. The water heater is characterized in that a sealing cavity is formed in the water heater shell 2, a proportional flow control mechanism is arranged in the sealing cavity and comprises a valve seat 3 which is installed in the water heater shell 2 in a threaded connection mode, a cylindrical inner cavity is arranged in the valve seat 3, a valve core 4 is arranged in the cylindrical inner cavity in a clearance fit mode, a left electromagnetic soft iron 5 and a right electromagnetic soft iron 6 are symmetrically arranged on the inner side wall of the valve seat 3, the left electromagnetic soft iron 5 and the right electromagnetic soft iron 6 are respectively located on two sides of the valve core 4, and a left coil 7 and a right coil 8 are respectively and uniformly wound on the left electromagnetic soft iron 5 and the right electromagnetic soft iron 6. An annular groove is formed in the middle of the valve core 4, a closed annular cavity is formed by the annular groove and the surface of the inner cavity of the valve seat 3, and a cylindrical cavity is formed by the two ends of the valve core 4 and the inner side wall of the valve seat 3. The upper end face of the valve seat 3 is provided with a first water inlet 9 and a second water inlet 10 which are communicated with the annular cavity, wherein the first water inlet 9 and the second water inlet 10 are boss holes and are provided with external threads on bosses, the upper end of the valve seat 3 is also provided with a left wiring hole 20 and a right wiring hole 21 which are communicated with cavities on two sides of the valve core 4, the left wiring hole 20 and the right wiring hole 21 are arranged so that the left coil 7 and the right coil 8 can penetrate out, the lower end face of the valve seat 3 is provided with a third opening communicated with the annular cavity, the lower end face of the water heater shell 2 is provided with a water outlet 11 communicated with the third opening at a position corresponding to the third opening, the water outlet 11 is a boss hole and is provided with external threads on a boss, the upper end face of the water heater shell 2 is sequentially provided with a first opening, a plastic sealing sleeve 22 and a second opening, and the plastic sealing sleeve. A first two-way joint 12 and a second two-way joint 13 are correspondingly arranged at the first opening and the second opening which are arranged on the upper end surface of the water heater shell 2, wherein external threads are processed at both ends of the first two-way joint 12 and both ends of the second two-way joint 13. The first water inlet 9 and the first two-way connector 10 are both connected with cold water hoses, each cold water hose comprises a first cold water hose 14 and a second cold water hose 15, one end of each first cold water hose 14 is connected with a cold water inlet, the other end of each first cold water hose 14 is connected with one end of the first two-way connector 12 through threads, the other end of the first two-way connector 12 is connected with the second cold water hose 15 through threads, and the other end of each second cold water hose 15 is connected with the first water inlet 9 formed in the upper end of the valve seat 3 through threads; the water inlet II 10 and the two-way joint II 13 are both connected with hot water hoses, each hot water hose comprises a first hot water hose 16 and a second hot water hose 17, one end of each first hot water hose 16 is connected with a hot water port, the other end of each first hot water hose 16 is connected with one end of the two-way joint II 13 through threads, the other end of the two-way joint II 13 is connected with the second hot water hose 17 through threads, and the other end of each second hot water hose 17 is connected with the water inlet II 10 arranged at the upper end of the valve seat 3 through threads; the water outlet 11 is connected with a water outlet hose 23 in a threaded connection mode. Wherein, the first hot water hose 16 is provided with a first temperature sensor 18 for measuring the temperature of the hot water port, and the water outlet hose 23 is provided with a second temperature sensor 19 for measuring the temperature of the water.
As shown in fig. 4, the device is further provided with a heat source selection device, the heat source selection device comprises a first heat source, a second heat source and a two-position three-way electromagnetic directional valve 25, the two-position three-way electromagnetic directional valve 25 is mounted on the wall through bolts, the two-position three-way electromagnetic directional valve 25 comprises a first valve inlet 26, a second valve inlet 28, a valve outlet 27 and an electromagnet YA 29 for controlling the valve inlet of the two-position three-way electromagnetic directional valve 25, wherein a first cold water port and a second hot water port are led from the first heat source, a second cold water port and a second hot water port are led from the second heat source, the first cold water port and the second cold water port are both connected with the cold water inlet, the first hot water port and the second hot water port are respectively connected with the first valve inlet 26 and the second valve inlet 28 on the two-position three-way electromagnetic directional valve 25, and the valve outlet 27. The heat source selection device can automatically select the first heat source or the second heat source according to the set temperature under the control of the PID temperature controller.
As shown in FIG. 5, the outlet water temperature at the outlet water hose is controlled by a PID temperature controller, which has eight input ports I0~ I7Has 8 output ports, each is O0~ O7。
The utility model discloses a control method as follows:
the water outlet temperature of the water heater is controlled by PID negative feedback.
Temperature setting and display: the temperature can be freely set according to the requirement, the set temperature T0 is respectively input and displayed by a two-digit nixie tube by adopting a touch screen, the step length of the input temperature value of the two-digit nixie tube is +/-1 ℃, and the set temperature T is set0Input port I of PID temperature controller0Input into a PID temperature controller through an output port O0And outputting and displaying outwards.
The A/D converter can convert the analog signal into digital signal, and when the temperature of the first heat source is displayed, the temperature T of the first heat source1The analog quantity is measured by the temperature sensor I18, converted into digital quantity by the A/D converter, input into the PID temperature controller by the PID temperature controller input port I1, output and displayed by the output port O1 through the two-digit nixie tube, and the frequency of the temperature data collected and processed by the PID temperature controllerIs 5 s.
Automatic selection of heat source: when the temperature is not set, namely the two-position three-way electromagnetic directional valve 25 is in a non-working state, the electromagnet YA 29 in the two-position three-way electromagnetic directional valve 25 is in a power-off state, at the moment, the first valve inlet 26 is communicated with the valve outlet 27, the second valve inlet 28 is blocked, the first heat source is selected by default, and the set temperature T is used for setting the temperature of the first heat source0And heat source-temperature T1Selecting a heat source, wherein the selection method comprises the following steps:
when setting the temperature T0≤T1Time, temperature difference delta1=T1-T0Not less than 0, at this time, the output port O of the PID temperature controller2When the valve is set to 0, the electromagnet YA 29 in the two-position three-way electromagnetic directional valve 25 controls the switch to be switched off, the electromagnet YA 29 is powered off, at the moment, the first valve inlet 26 of the two-position three-way electromagnetic directional valve 25 is communicated with the valve outlet 27, the second valve inlet 28 is blocked, and the first heat source is automatically selected;
when setting the temperature T0＞T1Time, temperature difference delta1=T1-T0When the output O2 of the PID temperature controller is set to 1, the electromagnet YA 29 in the two-position three-way electromagnetic directional valve 25 controls the switch to be closed, the electromagnet YA 29 is electrified, the valve body of the two-position three-way electromagnetic directional valve 25 is attracted by the electromagnet YA 29, the second valve inlet 28 is communicated with the valve outlet 27, the first valve inlet 26 is blocked, the second heat source is automatically selected, and meanwhile, the output O of the PID temperature controller is set to 13And (4) placing the heating switch in the first heating source 1, closing the heating switch in the second heating source, and starting heating in the second heating source.
Temperature T of outlet water2The analog quantity is measured by the second temperature sensor 19, converted into digital quantity by the A/D converter and then converted into digital quantity by the PID temperature controller inlet and outlet I2Inputting into PID temperature controller, controlling the water outlet temperature to be constant according to the set temperature T0 and the water outlet temperature T2, wherein the current and voltage of the left coil 7 are i1、V1The current and voltage of the right coil 8 are i2、V2The specific control method comprises the following steps:
when T is0＞T2Time, temperature difference delta2=T2-T0When the pressure is higher than 0, the output port O of the PID temperature controller4I.e. the current i of the left coil 71And voltage V1Enlarged, outlet O5I.e. the current i of the right coil 82And voltage V2And when the valve core 4 moves rightwards, the opening degree of the first water inlet 9 is increased, the opening degree of the second water inlet 10 is reduced, and the outlet water temperature T is increased2Increasing until the temperature difference delta2=0 i1=i2And V1=V2At the moment, the valve core 4 is kept still, the opening degrees of the first water inlet 9 and the second water inlet 10 are kept unchanged, and the effect of keeping the temperature of the outlet water constant is achieved;
when T is0=T2Time, temperature difference delta2=T2-T0Not less than 0, so that i1=i2、V1=V2At the moment, the valve core is kept unknown, and the opening degrees of the first water inlet 9 and the second water inlet 10 are kept unchanged;
when T is0＜T2Time, temperature difference delta2=T2-T0< 0, at this time, the output port O of the PID temperature controller4I.e. the current i of the left coil 71And voltage V1Reduced, outlet O5I.e. the current i of the right coil 82And voltage V2Increasing, wherein the valve core 4 moves leftwards at the moment, so that the opening degree of the first water inlet 9 is reduced, the opening degree of the second water inlet 10 is increased, and the outlet water temperature T is increased2Decrease until the temperature difference delta2=0 i1=i2And V1=V2At the moment, the valve core 4 is kept still, the opening degrees of the first water inlet 9 and the second water inlet 10 are kept unchanged, and the effect of keeping the temperature of the outlet water constant is achieved.
Safety alarm and reset, when the water pressure of cold water is too low, the temperature of outlet water is too high, namely T2When the temperature is higher than 45 ℃, an output port O of the PID temperature controller 61, the alarm switch is closed, the alarm is sounded, when the cold water pressure is recovered to normal, the cold water pressure is reset manually, and the input port I of the PID temperature controller3Setting 1, operating by PID temperature controller to make PID temperature controller output port O6And setting 0, disconnecting the alarm switch and closing the alarm.
When in use, the set temperature T is manually input through the touch screen0Setting the temperature T0Through two-digit nixie tube display, the utility model is convenient to useThe user observes the set temperature, the temperature T of the first heat source1Measured by a temperature sensor I, displayed by a two-position nixie tube, T0、T1Temperature difference Δ of1Operating in a PID temperature controller, and controlling the output port O of the PID temperature controller by the operation result2、O3The output (set to 0 or set to 1) further controls the on/off state of the electromagnet YA 29 and the on/off state of the heating switch of the heat source II, thereby automatically selecting the heat source and the outlet water temperature T2Measured by the second temperature sensor, T0、T2Temperature difference Δ of2Operating in a PID temperature controller, and controlling the output port O of the PID temperature controller by the operation result4、O5And thus the left coil 7 current i1Or voltage V1And the right coil 8 current i2Or voltage V2So as to control the outlet water temperature to be constant by controlling the movement of the valve core 4.
It should be noted that: expand input and output, redundant input port I in PID temperature controller4—I7And an outlet O7The function expansion is used. The cold water hose, the hot water hose and the water outlet hose in the device are all steel wire hoses.
The water outlet temperature control device of the present invention is described in detail with reference to the attached drawings and the detailed description. However, the present invention is not limited to the above description, and in any case, it is within the knowledge of those skilled in the art to make various changes without departing from the concept of the present invention.
Claims (9)
1. The utility model provides a water heater leaving water temperature control device, includes the water heater casing and sets up at the outside temperature controller of water heater casing and heat source selection device, the water heater casing outside is equipped with the insulation board, and the inside sealed chamber that is equipped with of water heater casing, its characterized in that: the inside in sealed chamber is equipped with proportional flow control mechanism, proportional flow control mechanism includes the disk seat, and this disk seat fixed mounting is inside the water heater casing, be equipped with the inner chamber in the disk seat, this inner chamber is equipped with the case through clearance fit, the symmetry is equipped with left electromagnetism soft iron and right electromagnetism soft iron on the inside wall of disk seat, and left electromagnetism soft iron and right electromagnetism soft iron are located the both sides of case, wherein evenly twine left coil and right coil on left electromagnetism soft iron and the right electromagnetism soft iron respectively, be equipped with water inlet and delivery port on water heater casing and the disk seat, the water inlet passes through the hose connection with the delivery port.
2. The water heater outlet water temperature control device according to claim 1, characterized in that: the inner cavity that is equipped with in the disk seat is cylindrical inner cavity, is equipped with the case through clearance fit in this cylindrical inner cavity, the case middle part processing has annular groove, forms annular cavity with disk seat inner cavity surface, and the both ends of case and disk seat inside wall form cylindrical cavity.
3. The water heater outlet water temperature control device according to claim 2, characterized in that: the upper end of the valve seat is provided with a first water inlet hole and a second water inlet hole which are communicated with the annular cavity, the upper end of the valve seat is also provided with a left wiring hole and a right wiring hole which are communicated with the cavities on the two sides of the valve core and used for the left coil and the right coil to pass through, the lower end of the valve seat is provided with a third opening communicated with the annular cavity, the lower end of the water heater shell is provided with a water outlet hole communicated with the third opening, the upper end of the water heater shell is sequentially provided with a first opening, a sealing sleeve and a second opening, the first opening and the first water inlet hole are positioned at the same side, the second opening and the second water inlet hole are.
4. The water heater outlet water temperature control device according to claim 3, characterized in that: the water heater comprises a water heater shell, a water inlet I, a water outlet II, a water inlet I, a water inlet II and a water outlet II, wherein the upper end of the water heater shell is provided with the opening I and the opening II, the two ends of the two-way connector I and the two-way connector II are both processed with external threads, the water inlet I, the water inlet II and the water outlet are boss holes and are both provided with external threads, the hose comprises a water inlet hose and a water outlet hose, the water inlet hose comprises a cold water hose and a hot water hose, the cold water hose comprises a first cold water hose and a second cold water hose, one end of the first cold water hose is connected with a cold water inlet, the other end of the first cold water hose is connected with one end of the two-way connector I through threads, the other end of the second cold water hose is connected with the second cold water hose through threads, the other end of the second cold water hose is connected, one end of the first hot water hose is connected with the hot water port, the other end of the first hot water hose is connected with one end of the two-way connector II through threads, the other end of the two-way connector II is connected with the second hot water hose through threads, the other end of the second hot water hose is connected with the boss hole II arranged at the upper end of the valve seat through threads, and the water outlet hose is connected with the water outlet through threads.
5. The water heater outlet water temperature control device according to claim 4, characterized in that: the first hot water hose is provided with a first temperature sensor, and the water outlet hose is provided with a second temperature sensor.
6. The water heater outlet water temperature control device according to claim 4 or 5, characterized in that: the heat source selection device comprises a heat source I, a heat source II and a two-position three-way electromagnetic directional valve, wherein a cold water opening I and a hot water opening I are led on the heat source I, a cold water opening II and a hot water opening II are led on the heat source II, the cold water opening I and the cold water opening II are connected with a cold water inlet, the hot water opening I and the hot water opening II are respectively connected with a valve inlet I and a valve inlet II on the two-position three-way electromagnetic directional valve, and a valve outlet on the two-position three-way electromagnetic valve is connected with a first hot water hose on the water heater.
7. The water heater outlet water temperature control device according to claim 6, characterized in that: the outlet water temperature of the outlet water hose is controlled by a PID temperature controller, and the PID temperature controller is provided with eight input ports I0~I7Has eight output ports, each is O0~O7。
8. The water heater outlet water temperature control device according to claim 4, characterized in that: the cold water hose, the hot water hose and the water outlet hose are all steel wire hoses.
9. The water heater outlet water temperature control device according to claim 1, characterized in that: the water heater shell and the insulating plate are both provided with mounting holes, and the water heater shell and the insulating plate are mounted on a wall body through the mounting holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021985172.6U CN213178858U (en) | 2020-09-11 | 2020-09-11 | Water heater outlet water temperature control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021985172.6U CN213178858U (en) | 2020-09-11 | 2020-09-11 | Water heater outlet water temperature control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213178858U true CN213178858U (en) | 2021-05-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021985172.6U Active CN213178858U (en) | 2020-09-11 | 2020-09-11 | Water heater outlet water temperature control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213178858U (en) |
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2020
- 2020-09-11 CN CN202021985172.6U patent/CN213178858U/en active Active
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