CN213090122U - Instant hot water outlet device - Google Patents
Instant hot water outlet device Download PDFInfo
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- CN213090122U CN213090122U CN202020701280.XU CN202020701280U CN213090122U CN 213090122 U CN213090122 U CN 213090122U CN 202020701280 U CN202020701280 U CN 202020701280U CN 213090122 U CN213090122 U CN 213090122U
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Abstract
The utility model relates to an go out hot water system promptly, include: the water circulation device is connected with the first tee joint at one end and connected with the second tee joint at the other end, and the water circulation device and the human body sensor are respectively connected with the program control panel. The utility model provides an it uses to go out hot water system cooperation life water heater promptly, after the user gets into the water area territory, can be opening hot tap at any time under the condition that need not to carry out any manual operation to water circle device, flow hot water immediately, when the water area territory nobody, water circle device gets into standby state automatically, has not only promoted the convenience in use degree, has also avoided the idle running of circulating device under the water area territory nobody state simultaneously, and is more energy-conserving.
Description
Technical Field
The utility model relates to a life hot water circulation technical field, in particular to go out hot water system promptly.
Background
In the prior art, various domestic water heaters have a common problem in practical application, namely when a user opens the water heater to use hot water, the cold water reserved in a hot water pipeline leading from the water heater to a water using point must be discharged firstly, the hot water can flow out, the longer the hot water pipeline is, the more the cold water needs to be discharged when the hot water is used, the longer the consumed time is, the discomfort is inconvenient, and a large amount of water resources are wasted. To address this phenomenon, one of the solutions in the prior art is to connect in series a cold water pipe and a hot water pipe near the position of a mixed water valve at a certain water consumption point (usually at the position of a shower water consumption point) in a local water pipeline environment within the jurisdiction of a water heater, and to set a circulating pump device with a water flow sensing device on a pipeline near a cold water inlet of a water heater host (or on a hot water outlet) (or to place the circulating pump device in a water heater casing), so that when the circulating pump device is operated, water stored in the hot water pipe under the jurisdiction of the water heater can form a backflow circulation at the water consumption point connected in series and in parallel by means of the cold water pipeline, and is heated by the water heater and then conveyed back to the hot water pipeline, thereby heating the water stored in the hot water pipeline, and when a hot water tap of the shower water consumption point connected in series and in parallel is opened, hot water can be discharged quickly.
Because the main body of the circulating pump device under the prior art solution is arranged at a position far away from a water consumption point and close to a water heater or in a shell of the water heater, accurate temperature measurement of water stored in a hot water pipeline at the position of the water consumption point is difficult to realize, and when a user needs to use the instant hot water discharging function, the circulating pump device can be started only by one of the following three different forms of operation actions.
In the first mode, the operation time of the circulating pump device is preset. Therefore, the circulating pump device can automatically run in a certain time period or the same time period every day, but the inconvenience is that when a user opens the hot water faucet in the non-reserved set time, the user also needs to perform remote control opening or other manual starting actions and waits for the circulating device to heat the water stored in the pipeline for a certain time after starting the hot water faucet, otherwise, the hot water cannot flow out immediately when the hot water faucet is opened. Meanwhile, no matter whether a person prepares to use hot water in the water using area, the preheating process of water stored in the pipeline in the whole period of the circulating pump device can also cause unnecessary waste of energy.
The second starting mode is that before hot water is ready to be used, a user can remotely start the circulating pump device through the remote controller, but in practical application, because the distance, the wall and the like in different application environments shield the influence of communication signal factors, the situation that remote control operation is invalid often exists, and great inconvenience is brought to the user.
The third opening mode is that the user can manually open and close the hot water tap of a certain water using point in a certain time, and the action of discharging a small section of water stored in the pipeline is used for sending a water flow signal to a water flow switch in the circulating pump device, so that the circulating pump device is started to operate. However, in this way, the user needs to wait for the circulation pump device to operate for a certain time after starting the device, and then open the hot water tap to quickly discharge the hot water.
SUMMERY OF THE UTILITY MODEL
The utility model provides an go out hot water system promptly, adaptation in all kinds of domestic water heater like gas water heater, water storage formula water heater, like air can the water heater, water storage formula electric water heater and instant heating type electric water heater. Both can the autonomous working, also can be with the supporting use of the water circle device combination of prior art, not only can start-up equipment operation under the condition of avoiding any manual operation, hot water is opened promptly and is used, need not any waiting process, can also realize bringing better facility and application experience to the accurate temperature measurement of depositing water in the water spot position pipe hot water course.
When independent and all kinds of water heater supporting use, only need with the utility model discloses it can to send out the water position that hot water effect was installed in the realization promptly hot water system.
When using with prior art water circle device is supporting, can with the utility model discloses go out hot water system promptly and install the position that is close to the water consumption point of installing prior art water circle device's pipe connection spare in local water environment (prior art water circle device's pipe connection spare is installed the shower point at the bathroom usually, the utility model discloses it can install the position under the wash platform at same bathroom promptly to go out hot water system). The utility model discloses go out hot water system promptly and can replace and avoid all artifical start-up operations of prior art water circle device.
When someone gets into the water region, the utility model discloses human induction system starts the utility model discloses in self circulating device, the rivers switch in the prior art water circulating device can receive the start signal promptly and start the circulation operation, drives the water heater and preheats the deposit water in to the pipeline.
In order to achieve the above object, the present invention provides the following technical solutions:
an instant hot water device comprising: the water circulation device comprises a water circulation device, a first tee joint 101, a second tee joint 102, a program control board 107 and a human body sensor 108, wherein one end of the water circulation device is connected with the first tee joint 101, the other end of the water circulation device is connected with the second tee joint 102, and the water circulation device and the human body sensor 108 are respectively connected with the program control board 107.
Preferably, the water circulation device includes a water pump 100 and a first temperature sensing device 104, the water pump 100 includes a first water inlet 1001 and a first water outlet 1002, the first water inlet 1001 is connected with the first tee 101, the first water outlet 1002 is connected with the second tee 102 through a connecting pipe device, the first temperature sensing device 104 is disposed on the connecting pipe device, and the first temperature sensing device 104 is connected with the program control board 107.
Preferably, the device further comprises a one-way valve 103, and the one-way valve 103 is arranged on the connecting pipe device.
Preferably, the first tee 101 includes a first opening 1011, a second opening 1012 and a third opening 1013, the second tee 102 includes a fourth opening 1021, a fifth opening 1022 and a sixth opening 1023, the connection pipe arrangement includes a first connection pipe 301 and a second connection pipe 302, the first water inlet 1001 is connected with the first opening 1011, the third opening 1013 is connected with the first connection pipe 301, the first water outlet 1002 and the fourth opening 1021 are connected through the second connection pipe 302, and the one-way valve 103 is disposed on the second connection pipe 302.
Preferably, the water dispenser further comprises a solenoid valve 106, the first water inlet 1001 and the first opening 1011 are connected through the solenoid valve 106, and the solenoid valve 106 is connected with the program control board 107.
Preferably, a flow meter 105 is further included, and the flow meter 105 is disposed on the connecting pipe device.
Preferably, the water storage and heating device is further included, and the water storage and heating device is connected with the first tee joint 101.
Preferably, the water storage heating device includes a water storage tank 201, a heater 2013, a second temperature sensing device 2014 and an over-temperature protection device 2015, the heater 2013 is connected with the water storage tank 201, the second temperature sensing device 2014 is arranged on the water storage tank 201 and connected with the program control board 107, the over-temperature protection device 2015 is connected with the water storage tank 201.
Preferably, the water storage tank 201 includes a second water outlet 2011 and a second water inlet 2012, and the second water inlet 2012 is connected to the second opening 1012.
Preferably, the system further comprises a pressure release valve 2016 and a water leakage detection device 109, wherein the pressure release valve 2016 is connected to the water storage tank 201, and the water leakage detection device 109 is connected to the program control board 107.
Through implementing above technical scheme, have following technological effect: the utility model provides an go out hot water system promptly both can be independent, can make up the supporting use with prior art's water circle device again, cooperation gas class water heater, water storage formula water heater, like the air can the water heater, water storage formula water heater and instant heating type water heater use, get into the regional back of water consumption when the user, need not to carry out any operation of manual work, need not any waiting process, open hot tap at any time, all can flow hot water immediately, high durability and convenient use, can also realize the accurate temperature measurement of depositing water in the position pipe hot water course of water consumption place, bring better application experience for the user.
Drawings
FIG. 1 is a schematic view of the instant hot water apparatus of the present invention;
FIG. 2 shows the connection method of the instant hot water apparatus of the present invention at the installation position;
FIG. 3 is a schematic view of the installation location, the manner of connecting the common water points in series and parallel, and the water flow paths during operation of the circulation pump assembly and the domestic water heater of the prior art;
FIG. 4 is a schematic view of the installation position of the instant hot water device and the water flow path of the circulating device during operation;
FIG. 5 is a schematic view of the water flow path when the instant water heater of the present invention is used in combination with a water heater with a built-in circulation device in the prior art, the two devices are working simultaneously or in separate states;
FIG. 6 is a schematic view of the water flow path when the water pump of the instant water heater of the present invention is not working and only the hot water tap is opened;
FIG. 7 is a schematic view of the water flow path when the water pump of the instant water heater of the present invention is not working and only the cold water tap is opened;
FIG. 8 is a schematic view of the flow path of the instant hot water pump of the present invention when the hot water tap is opened;
FIG. 9 is a schematic view of the flow path when the hot and cold water taps are simultaneously opened when the water pump of the instant water heater of the present invention is in operation;
fig. 10 is a schematic view of the water flow path of the instant hot water apparatus of the present invention when the cold and hot water taps are closed and the water pump is in operation.
Description of reference numerals: a, a hot water inlet of a water mixing valve faucet; b, leading to the mouth of the hot water pipe of the hot water mouth of the water heater; c, a cold water inlet of a water mixing valve faucet; d, leading to the mouth of the cold water pipe of the cold water inlet of the water heater; e, a household water heater; f, a circulating device (which can be arranged in the water heater) in the prior art; g, a cold water inlet; h, a hot water outlet; i, a hot water pipe; j, a cold water pipe; k, the prior art is at the position where the cold and hot water pipes are communicated with the water points in series; m, a cold water main pipe; and N, the installation position of the invention.
Detailed Description
For better understanding of the technical solutions of the present invention, the following describes embodiments of the present invention in detail with reference to fig. 1 to 10.
The utility model discloses go out hot water system promptly and install certain water consumption point in the water consumption environment administered by the life water heater, second delivery port 2011 is connected with A, first connecting pipe 301 is connected with B, fifth opening 1022 is connected with D, sixth opening 1023 is connected with C. (see FIG. 1)
An instant hot water device comprising: the water circulation device comprises a water circulation device, a first tee joint 101, a second tee joint 102, a program control board 107 and a human body sensor 108, wherein one end of the water circulation device is connected with the first tee joint 101, the other end of the water circulation device is connected with the second tee joint 102, and the water circulation device and the human body sensor 108 are respectively connected with the program control board 107.
In this embodiment, the water circulation device and the human body sensor 108 are respectively connected to the program control board 107, the human body sensor 108 is connected to the program control board 107 in a wired or wireless manner, one end of the water circulation device is connected to the first tee 101, the other end of the water circulation device is connected to the second tee 102, when a person approaches the faucet to prepare to use hot water, the human body sensor 108 receives a signal and transmits the signal to the program control board 107, the program control board 108 sends out an instruction, the water circulation device starts to operate to drive the domestic water heater to circularly heat the stored water in the pipeline until the measured water temperature reaches a set temperature, the water circulation device stops operating, compared with the conventional timed circular heating method, the water circulation device is more energy-saving and lower in use cost, compared with the conventional circulation device, a certain manual opening action is required, more convenient to use, when the user approaches the water using point to prepare for using hot water, there are the following 3 ways of circulating water in the pipe:
in the first case: when the water stored in the pipeline is heated circularly, the water circulating device stops working, and hot water flows from the household water heater to the first tee joint 101 and flows to the water tap through the first tee joint 101;
in the second case: after a user opens a faucet to start using hot water, the stored water in a pipeline is not heated, the water circulation device is continuously operated, water flow is divided into a first part and a second part after flowing out of a household water heater, the first part of the water flow directly flows to the faucet, the second part of the water flow flows to the water circulation device, under the action of the water circulation device, the second part is divided into a third part and a fourth part, the third part flows back to the household water heater through a cold water pipeline, and if a cold water faucet is opened at the moment, the fourth part flows to an outlet of the cold water faucet;
in the third case: when a person is in the water using area, but the hot water faucet is not turned on, under the action of the water circulating device, hot water flows out from the hot water outlet of the household water heater, directly flows to the water circulating device, is driven by the water circulating device to flow into the second connecting pipe, flows into the cold water pipeline through the second tee joint, and returns to the water heater, or flows out of the turned-on cold water faucet.
On the basis of the above embodiment, in other embodiments, more specifically, the water circulation device includes a water pump 100, a check valve 103, and a first temperature sensing device 104, the water pump 100 includes a first water inlet 1001 and a first water outlet 1002, the first water inlet 1001 is connected to the first tee 101, the first water outlet 1002 is connected to the second tee 102 through a connecting pipe device, the check valve 103 and the first temperature sensing device 104 are both disposed on the connecting pipe device, and the first temperature sensing device 104 is connected to the program control board 107.
In this embodiment, under the action of the water pump 100, the water flowing out of the domestic water heater enters the first tee joint 101, the first tee joint 101 is connected with the first water inlet 1001, so that the water flows into the water pump 100, the first water outlet 1002 of the water pump 100 is connected with the second tee joint 102 through a connecting pipe device, under the action of the one-way valve 103, the water flows only flow in a single direction to perform one-way circulation, the first temperature sensing device 104 detects the temperature of the circulating water flow, when the temperature of the water flow is higher than a set value, the first temperature sensing device 104 sends a signal to the program control board 107, the program control board 107 sends an instruction to the water pump 100 to stop working, and the water circulation is finished.
On the basis of the above-mentioned embodiments, in other embodiments, more specifically, the first tee 101 includes a first opening 1011, a second opening 1012 and a third opening 1013, the second tee 102 includes a fourth opening 1021, a fifth opening 1022 and a sixth opening 1023, the connection pipe means comprises a first connection pipe 301 and a second connection pipe 302, the first water inlet 1001 is connected with the first opening 1011, the third opening 1013 is connected to the first connection pipe 301, the first water outlet 1002 is connected to the fourth opening 1021 via the second connection pipe 302, the check valve 103 is disposed on the second connection pipe 302, and further includes a solenoid valve 106 and a flow meter 105, the first water inlet 1001 and the first opening 1011 are connected by the solenoid valve 106, the solenoid valve 106 is connected to the program control board 107, and the flow meter 105 is provided on the connection pipe device.
In this embodiment, the first water inlet 1001 is connected to the first opening 1011, the first water outlet 1002 is connected to the fourth opening 1021 through the second connection pipe 302, hot water in the domestic water heater flows to the third opening 1013 through the first connection pipe 301 when the hot water faucet is opened, flows to the water pump 100 through the first opening 1011 and then flows to the fourth opening 1021 when the hot water faucet is not opened, enters the cold water pipe connected to the domestic water heater through the fifth opening 1022, and circulates water, or in a situation where the cold water faucet and the hot water faucet are opened simultaneously, the cold water inlet flowing to the faucet from the sixth opening 1023 and the hot water flowing to the faucet inlet are mixed, the check valve 103 is disposed on the second connection pipe 302, controls the one-way circulation of water flow, and the electromagnetic valve 106 is connected to the program control board 107, the opening and closing of the electromagnetic valve 106 can be controlled by the program control board 107, the flowmeter 105 is arranged on the connecting pipe device, can be arranged on the first connecting pipe 301, and can also be arranged on the second connecting pipe 302, so as to detect the unobstructed degree of water flow when the water circulation device works, when the water flow is lower than a set certain flow value, the working condition state of the water circulation device is prompted to be checked, and when a hot water faucet is not opened, and only a cold water faucet is opened, the following two conditions exist:
in the first case, the water pump 100 is operating. The water stored in the hot water pipe has not been completely heated to a predetermined temperature. At this time, the water pump 100 is running, and under the driving of the water pump 100, the stored water in the hot water pipeline flows from the water heater to the first connection pipe 301, then flows to the first opening 1011 of the first tee joint, flows to the second water outlet 1002 via the first water inlet 1001 of the water pump 100, then flows to the first opening 1021 via the second connection pipe 302, and then flows out from the first opening 1021 to the sixth opening 1023, and then flows to the cold water port of the faucet;
in the second case, the water pump 101 has stopped operating. Because the water pump 100 is already running when someone approaches the faucet, the first temperature sensing device has detected that the water flow reaches a set temperature, the water stored in the hot water pipe has been heated, the water pump 100 has stopped, and because the solenoid valve 106 is closed when the water pump 100 is stopped, when only the cold water faucet is turned on, the cold water flows from the fifth opening 1022 connected to the cold water inlet of the domestic water heater to the sixth opening 1023 and from the sixth opening 1023 to the cold water outlet of the faucet.
On the basis of the above embodiment, in other embodiments, more specifically, the solar water heater further includes a water storage heating device, the water storage heating device is connected with the first tee joint 101, the water storage heating device includes a water storage tank 201, a heater 2013, a second temperature sensing device 2014 and an over-temperature protection device 2015, the heater 2013 is connected with the water storage tank 201, the second temperature sensing device 2014 is arranged on the water storage tank 201 and connected with the program control board 107, and the over-temperature protection device 2015 is connected with the water storage tank 201.
In this embodiment, the water storage heating device is connected to the first tee joint 101, the water storage tank 201 can store a certain amount of hot water, the water storage heating device heats and keeps warm the water stored in the water storage tank 201, the second temperature sensing device 2014 is arranged on the water storage tank 201, the second temperature sensing device 2014 can detect the temperature of the hot water in the water storage tank 201, when the temperature of the hot water in the water storage tank 201 is lower than or higher than a set value, the second temperature sensing device 2014 sends a signal to the program control board 107, the program control board 107 receives the signal and then sends a heating or heating stopping work instruction to the heater 2013, the heater 2013 is connected to the water storage tank 201 and can heat the water storage tank 201 to ensure that the temperature of the water in the water storage tank 201 is kept within a certain temperature range, the over-temperature protection device 2015 is connected with the water storage tank 201 and can play a role in protection when the temperature is too high;
when a user approaches to the water tap and does not open the hot water tap to use hot water, the water circulation device starts to work, when the user opens the hot water tap to use hot water, the initial hot water flows out of the water storage tank 201, the water stored in the hot water pipeline is heated or is heated in the water using process, the process that the user waits for the circulation device to be preheated is omitted when the user approaches to a water using point to prepare for using the hot water, and the circulation of the water in the pipeline has the following 3 modes:
in the first case: when the stored water in the pipeline is heated circularly, the water circulating device stops working, hot water flows from the household water heater to the first tee joint 101 and flows to the stored water heating device through the first tee joint 101, hot water stored in the stored water heating device flows to the water faucet, the hot water stored in the stored water heating device continues flowing to the hot water faucet in an open state, and hot water generated by the household water heater continuously supplements and flows into the stored water heating device;
in the second case: after a user opens a water faucet to start using hot water, the stored water in a pipeline is not heated, the water circulation device is continuously operated, water flows out of a household water heater and then is divided into a first part and a second part, the first part of water flows to the stored water heating device directly, the hot water in the stored water heating device flows to the water faucet, the second part of water flows to the water circulation device, under the action of the water circulation device, the second part is divided into a third part and a fourth part, the third part flows back to the household water heater through the pipeline, and if a cold water faucet is opened at the moment, the fourth part flows to an outlet of the cold water faucet;
in the third case: when a person is in the water using area, but the hot water faucet is not turned on, under the action of the water circulating device, hot water flows out from the hot water outlet of the household water heater, directly flows to the water circulating device, is driven by the water circulating device to flow into the second connecting pipe, flows into the cold water pipeline through the second tee joint, and returns to the water heater, or flows out of the turned-on cold water faucet.
On the basis of the above embodiments, in other embodiments, more specifically, the water storage tank 201 includes a second water outlet 2011 and a second water inlet 2012, and the second water inlet 2012 is connected to the second opening 1012
In this embodiment, a certain amount of hot water is stored in the water storage tank 201, the second water inlet 2012 of the water storage tank 201201 is connected to the second opening 1012, when hot water is used, the hot water stored in the water storage tank 201 directly flows into the faucet through the second water outlet 2011, so that the hot water can flow out only after a long time of waiting after the faucet is opened is avoided, the hot water of the domestic water heater flows to the third opening 1013 through the first connection pipe 301, and then flows to the second opening 1012 from the third opening 1013, the second water inlet 2011 of the water storage tank 201 is connected to the second opening 1012, and water flows in the water storage tank 201 or is heated.
In addition to the above-described embodiment, in another embodiment, the system further includes a pressure release valve 2016 and a water leakage detection device 109, the pressure release valve 2016 is connected to the water storage tank 201, and the water leakage detection device 109 is connected to the program control board 107.
In this embodiment, the pressure release valve 2016 is connected to the water storage tank 201 to ensure that the pressure in the water storage tank 201 is not too high, which causes safety accidents, and the water leakage detection device 109 can detect whether the hot water device leaks water or not, and is connected to the program control board 107, and when water leakage is detected, the water leakage detection device sends a signal to the program control board 107 to prevent safety accidents.
The above is to the instant hot water device that the embodiment of the present invention provides introduces in detail, to the general technical personnel in this field, according to the utility model discloses the thought, all have the change part on concrete implementation and application scope, to sum up, this description content should not be understood as the restriction of the utility model.
Claims (10)
1. An instant hot water device, comprising: the water circulation device comprises a water circulation device, a first tee joint (101), a second tee joint (102), a program control board (107) and a human body sensor (108), wherein one end of the water circulation device is connected with the first tee joint (101), the other end of the water circulation device is connected with the second tee joint (102), and the water circulation device and the human body sensor (108) are respectively connected with the program control board (107).
2. The instant water heating device according to claim 1, wherein the water circulation device comprises a water pump (100) and a first temperature sensing device (104), the water pump (100) comprises a first water inlet (1001) and a first water outlet (1002), the first water inlet (1001) is connected with the first tee joint (101), the first water outlet (1002) is connected with the second tee joint (102) through a connecting pipe device, the first temperature sensing device (104) is arranged on the connecting pipe device, and the first temperature sensing device (104) is connected with the program control board (107).
3. The instant hot water device according to claim 2, further comprising a one-way valve (103), said one-way valve (103) being provided on said connecting tube means.
4. The instant water heating device according to claim 3, wherein the first tee (101) comprises a first opening (1011), a second opening (1012) and a third opening (1013), the second tee (102) comprises a fourth opening (1021), a fifth opening (1022) and a sixth opening (1023), the connecting pipe arrangement comprises a first connecting pipe (301) and a second connecting pipe (302), the first water inlet (1001) and the first opening (1011) are connected, the third opening (1013) and the first connecting pipe (301) are connected, the first water outlet (1002) and the fourth opening (1021) are connected by the second connecting pipe (302), and the check valve (103) is disposed on the second connecting pipe (302).
5. The instant water heater according to claim 4, further comprising a solenoid valve (106), wherein the first water inlet (1001) and the first opening (1011) are connected through the solenoid valve (106), and wherein the solenoid valve (106) is connected to the program control board (107).
6. The instant hot water device according to claim 5, further comprising a flow meter (105), said flow meter (105) being disposed on said connecting tube means.
7. The instant hot water apparatus according to claim 4, further comprising a water storage heating apparatus connected to the first tee (101).
8. The instant hot water apparatus according to claim 7, wherein the water storage and heating apparatus comprises a water storage tank (201), a heater (2013), a second temperature sensing device (2014) and an over-temperature protection device (2015), the heater (2013) is connected with the water storage tank (201), the second temperature sensing device (2014) is disposed on the water storage tank (201) and connected with the program control board (107), and the over-temperature protection device (2015) is connected with the water storage tank (201).
9. The immediate water outlet device according to claim 8, wherein the water storage tank (201) comprises a second water outlet (2011) and a second water inlet (2012), the second water inlet (2012) being connected to the second opening (1012).
10. The instant hot water apparatus as claimed in claim 9, further comprising a pressure relief valve (2016) and a water leakage detection device (109), wherein the pressure relief valve (2016) is connected to the water storage tank (201), and the water leakage detection device (109) is connected to the program control board (107).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020701280.XU CN213090122U (en) | 2020-04-30 | 2020-04-30 | Instant hot water outlet device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020701280.XU CN213090122U (en) | 2020-04-30 | 2020-04-30 | Instant hot water outlet device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213090122U true CN213090122U (en) | 2021-04-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020701280.XU Expired - Fee Related CN213090122U (en) | 2020-04-30 | 2020-04-30 | Instant hot water outlet device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213090122U (en) |
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2020
- 2020-04-30 CN CN202020701280.XU patent/CN213090122U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
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