CN114877533A - Water level detector for intelligent closestool water temperature heating water tank and detection method thereof - Google Patents
Water level detector for intelligent closestool water temperature heating water tank and detection method thereof Download PDFInfo
- Publication number
- CN114877533A CN114877533A CN202210634392.1A CN202210634392A CN114877533A CN 114877533 A CN114877533 A CN 114877533A CN 202210634392 A CN202210634392 A CN 202210634392A CN 114877533 A CN114877533 A CN 114877533A
- Authority
- CN
- China
- Prior art keywords
- water
- water temperature
- temperature sensor
- water level
- heating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2021—Storage heaters
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
- E03D9/08—Devices in the bowl producing upwardly-directed sprays; Modifications of the bowl for use with such devices ; Bidets; Combinations of bowls with urinals or bidets; Hot-air or other devices mounted in or on the bowl, urinal or bidet for cleaning or disinfecting
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/40—Protecting water resources
Abstract
The invention discloses a water level detector for an intelligent closestool water temperature heating water tank and a detection method thereof, wherein two water temperature sensors which are vertically arranged on the water temperature heating water tank are used, each water temperature sensor packaging shell and a water temperature sensor mounting fixing block form an electric connection scheme with high corrosion resistance, and a water level height monitoring line which is correspondingly mounted and connected with the water temperature sensor mounting fixing block forms electric connection, a water level height monitor for converting and detecting upper and lower water levels is formed through the vertical position relation of the upper and lower water temperature sensor shells in a heating cavity of the water temperature heating water tank, only a water level monitoring line connecting terminal which is connected with an upper water level height monitoring line and a lower water level height monitoring line is required to be plugged and electrically connected with a water level monitoring circuit, so that the water level condition in the heating cavity can be simply, quickly and conveniently detected without using a large-size water level sensor, the overall size of the water temperature heating water tank is reduced, and the convenient use reliability of water level detection is improved.
Description
Technical Field
The invention relates to an intelligent water temperature heater for a toilet or an intelligent toilet, in particular to a water level detector used in the water temperature heating tank of the intelligent toilet or the intelligent toilet and a detection method thereof.
Background
Along with the application and popularization of intelligent closestool or intelligent squatting pan, more and more intelligent closestool or intelligent squatting pan get into people's life house bathroom configuration equipment, and an important function in intelligent closestool or intelligent squatting pan just can make people use after like the lavatory, the operation uses intelligent closestool can carry out the intelligence to spray the washing to people's body position to obtain cleaner personal hygiene condition, provide more healthy safe sanitary condition for people. And use intelligence to spray and wash a problem that at first need solve be with regard to monitoring control needs spray abluent washing liquid temperature, can adopt temperature sensor to carry out the temperature monitoring control to intelligent closestool spray washing liquid usually, be equipped with the heating control of heating pipe to the washing liquid again, just can obtain the washing liquid temperature of safe temperature scope to can obtain the individual defecation position like the lavatory and carry out the automatic self-service cleaning treatment effect of health.
Because the heating pipe needs to be installed in an independent water temperature heating water tank (or a cleaning liquid heater) in an intelligent closestool without a water storage tank or an intelligent closestool with a water storage tank, the heating pipe is used for carrying out flushing water or flushing liquid needed by sanitary flushing on a defecation part of a human body after defecating, and the water temperature heating water tank (or the cleaning liquid heater) is used for heating and controlling the temperature of the flushing water or the flushing liquid, if the water level in the water temperature heating water tank is not controlled, the potential safety hazard phenomena of dry burning of the heating pipe and the water temperature heating water tank are easily caused in the heating process by using the heating pipe, the appearance size adopted by the water temperature heating water tank is very small relative to the intelligent closestool, the maximum size in the length, width and height of the water temperature heating water tank is only about 110mm, and the water temperature heating water tank is easily dried by the heating pipe; in order to avoid dry burning of the heating pipe, it is usually necessary to consider whether the water level (or liquid level) in the cavity of the heater with the heating pipe is at a safe height position or adopt other monitoring control schemes.
However, in the prior art, in the technical solution of installing and using the water temperature sensor 8 (see fig. 7 and 8) and the water level (liquid level) sensor 4 (see fig. 7 and 8) in the water temperature heating water tank 1 to monitor and control the temperature safety and also monitor and control the level of the water (liquid level) in the heater chamber, there exists a problem that the conventional water level (liquid level) monitoring of these heaters is usually performed by using the water level (liquid level) sensor in the conventional technology, and the space 13 above the water level in the water temperature heating water tank 1 in fig. 7 and 8 is a large structural volume (the water level sensor 4 in fig. 7 and 8 occupies a large volume space of the whole water temperature heating water tank no matter on the water temperature heating water tank housing or in the heater chamber of the water temperature heating water tank), firstly occupies a large space in the chamber of the heating chamber, and because what adopt is that traditional water level (liquid level) sensor relates to mechanical structure, therefore still exist easily and probably mechanical fault appears, for example the water level (liquid level) height that appears jamming or adhesion phenomenon and lead to can't effectively accurately respond in time to monitor and obtain, thereby bring a series of potential safety hazard problems to appear, for example heating pipe 5 (see figure 7) dry combustion in the water temperature heating water tank 1, the potential safety hazard problems such as water temperature heating water tank is burnt futilely or spills over appear, and water temperature heating water tank adopts plastics material structure usually, the potential safety hazard problem that water temperature heating water tank is brought by the dry combustion can think about and see.
The patent publication No. CN112962737A of the invention with publication No. 2021, 6 and 15 discloses an intelligent toilet water tank and a control method thereof, the intelligent toilet water tank comprises a water tank body, a heating component, a first temperature sensor and a temperature control switch, wherein the water tank body is provided with a groove, the water tank body is provided with a water inlet channel and a water outlet channel, the top surface of the water tank body is provided with a notch, the heating component comprises an end cover and a heating element, the end cover is buckled on the water tank body and seals the opening of the groove, the heating element is arranged in the groove, the first temperature sensor is arranged on the water inlet channel, the temperature control switch is arranged on the notch, the bottom of the water tank body is provided with a water outlet, and the outer side of the bottom of the water outlet is provided with a limit boss. The applicant of the invention considers that the intelligent closestool water tank and the control method thereof obtained by the method have the following advantages: simple structure, the water in the water tank body can not flow against the current, does not need level sensor also can judge whether have water in the water tank body, makes the structure in the water tank obtain very big simplification, has also guaranteed the life of product simultaneously, has further obtained the guarantee to product quality. Therefore, the technical scheme of the invention realizes that whether water exists in the water tank or not by improving without using a water level sensor, and the technical scheme adopted by the invention judges whether the water exists in the water tank or not according to different temperature data information obtained by monitoring two different temperature sensors. However, although the solution solves the problem of hidden danger that the water level sensor is not used to determine whether water is in the water tank to a certain extent, the solution realizes the determination result based on the temperature error detected by 2 different water temperature sensors (see paragraph 0015 of the technical solution description), and there is also a problem that the heating pipe is actually dry-burned due to delayed monitoring response or error deviation of the monitoring error itself, which easily causes the water temperature heating water tank to be dry-burned, and the water temperature heating water tank is usually made of a plastic material structure, which is conceivable to the hidden danger problem caused by dry-burning, which also easily causes the damage of the service life of the heating pipe.
Disclosure of Invention
The invention provides a water level detector for a water temperature heating water tank of an intelligent closestool, which can avoid occupying a larger heating cavity space due to the fact that a water temperature sensor and a water level sensor are required to be arranged in a heating cavity, needs to use a larger integral structure size of a heater, is easy to cause potential safety hazard due to mechanical fault phenomenon in water level detection and the like in the water temperature heating water tank in the conventional intelligent closestool, can reduce the integral structure size of the water temperature heating water tank to a larger degree, reduces or avoids the mechanical fault phenomenon caused by the adoption of the water level sensor, and improves the service life of water level monitoring.
The invention adopts the following specific technical scheme for solving the technical problems: the utility model provides a water level detector for intelligent closestool temperature heats water tank which characterized in that: the water temperature sensor mounting and fixing device comprises two water temperature sensors and two water temperature sensor mounting and fixing blocks, wherein one water temperature sensor mounting and fixing block is separately and fixedly connected with one water temperature sensor, respective sensor packaging shells of the two water temperature sensors are of stainless steel 304 structures, the two water temperature sensors are fixedly connected onto the corresponding water temperature sensor mounting and fixing blocks through respective sensor packaging shells, each water temperature sensor mounting and fixing block is provided with a fixing block mounting positioning hole and a water level height monitoring line mounting and connecting hole, and the water level height monitoring line mounting hole does not share a hole position with the fixing block mounting positioning hole; the two water temperature sensors are respectively arranged on a heating water tank shell of the water temperature heating water tank through respective water temperature sensor mounting and fixing blocks, wherein the upper water temperature sensor is vertically arranged at the upper top of the heater shell of the water temperature heating water tank, the bottom end of a water temperature sensor probe is arranged at the lower part of a high water level line in a heating cavity of the water temperature heating water tank, the lower water temperature sensor is transversely arranged at the side part of the heating water tank shell of the water temperature heating water tank, and the sensor probe is arranged at the upper part of a low water level line in the heating cavity of the water temperature heating water tank; the water level height monitoring line is connected and arranged on an upper water temperature sensor mounting fixing block of the fixed upper water temperature sensor, a lower water level height monitoring line is connected and arranged on a lower water temperature sensor mounting fixing block of the fixed lower water temperature sensor, the outer ends of the upper and lower water level height monitoring lines are connected with two different end pins on the same water level monitoring line connecting terminal in an inserting mode, and the inner ends of the two water level height monitoring lines are electrically connected with a sensor packaging shell through the water temperature sensor mounting fixing block of a stainless steel 304 material structure. When the detection circuit is used, only the water level monitoring line connecting terminals which are connected with the outer end heads of the two water level height monitoring lines are connected with the detection circuit in a plug-in mode, so that the medium resistance data between the sensor packaging shell outside the upper water temperature sensor and the sensor packaging shell outside the lower water temperature sensor which are electrically communicated with the inner end heads of the two water level height monitoring lines can be simply and quickly detected, and further whether the water level in the heating cavity of the water temperature heating water tank is in accordance with the normal condition or not can be directly judged; can need not to use level sensor and lead to occuping great heating intracavity space in temperature heating water tank, reduction temperature heating water tank overall structure size that can great degree reduces or avoids adopting the mechanical fault phenomenon that level sensor brought, improves water level monitoring life.
Preferably, each water temperature sensor mounting fixing block is provided with 1 water temperature sensor mounting hole, 2 fixing block mounting positioning holes and 1 water level height monitoring line mounting hole; the water level height monitoring line mounting holes are independent mounting holes in the same water temperature sensor mounting fixing block, and the water level height monitoring line mounting holes do not share hole sites with any other hole sites. Removing the position of the mounting space of the water level sensor, adopting a structural scheme that a mounting hole of a water level height monitoring line and a mounting hole of the water temperature sensor share the same mounting fixing block of the water temperature sensor, and the mounting hole of the water level height monitoring line does not share a hole site with any other hole site; the water level sensor can be prevented from being used safely in the water temperature heating water tank, a large heating cavity space is occupied, the overall structure size of the water temperature heating water tank can be reduced to a large extent, and the mechanical fault phenomenon caused by the water level sensor is reduced or avoided.
Preferably, the heater shell of the water temperature heating water tank is provided with an upper water outlet and a lower water inlet, wherein the bottom end of the upper water outlet is arranged at the position of the upper area above the bottom end of the vertically arranged water temperature sensor probe. The immersion guarantee that the bottom end of the water temperature sensor probe is immersed in the area below the upper water level line under the normal condition is improved, the normal monitoring effectiveness of the water temperature sensor is improved, and the detection judgment effectiveness of the upper water level monitoring line is improved.
Preferably, the water temperature sensor mounting fixing block is of an L-shaped structure, 1 water temperature sensor mounting hole and 2 fixing block mounting positioning holes are distributed in a long block of the L-shaped structure, the 2 fixing block mounting positioning holes are respectively distributed at two sides of the water temperature sensor mounting hole, and the water level monitoring height line mounting hole is formed in a short block of the L-shaped structure. The accuracy, simplicity and convenience in hole position manufacturing and positioning and installation are improved, and the overall installation distribution connection stability and reliability of the water temperature sensor installation fixing block are improved.
Preferably, the water temperature sensor packaging shell is vertically and fixedly connected to the front side and the back side of the water temperature sensor mounting fixing block in a penetrating mode, and a water temperature sensor accommodating cavity is formed in the water temperature sensor packaging shell. The installation, the use, the stability and the reliability of the water temperature sensor packaging shell are improved.
Preferably, the connection line of the hole site center of the water temperature sensor mounting hole and the hole site center of the fixing block mounting positioning hole is on the same straight line, and the connection line of the hole site center of the water level height monitoring line mounting hole and the hole site center of 1 fixing block mounting positioning hole is on the same straight line. The accuracy, simplicity and convenience in hole position manufacturing and positioning and installation are improved, and the overall installation distribution connection stability and reliability of the water temperature sensor installation fixing block are improved.
Preferably, the center connecting line of the water temperature sensor mounting hole and the hole site of the fixing block mounting positioning hole is on the same straight line, the fixing block mounting positioning hole adopts a structure of two positioning holes, and the two fixing block mounting positioning holes are respectively arranged at the two sides of the water temperature sensor mounting hole. The accuracy, simplicity and convenience in hole position manufacturing and positioning and installation are improved, and the overall installation distribution connection stability and reliability of the water temperature sensor installation fixing block are improved.
Preferably, the bottom end of the water temperature sensor probe of the upper water temperature sensor is immersed below a high water level line in the water temperature heating water tank and is arranged in a water level area at a height position below the bottom end of a water outlet arranged on the shell of the heating water tank and less than 1.5 mm. The immersion guarantee that the bottom end of the water temperature sensor probe is immersed in the area below the upper water level line under the normal condition is improved, the normal monitoring effectiveness of the water temperature sensor is improved, and the detection judgment effectiveness of the upper water level monitoring line is improved.
Another object of the present invention is to provide a water level detecting method of a water level detector for an intelligent toilet water temperature heating tank, comprising: comprises the following water level detection method
S1, installing and connecting an upper water level height monitoring line and a lower water level height monitoring line in a water level detector in one of the technical schemes, installing and fixing an upper water temperature sensor installation fixing block on the upper top of a heater shell of a water temperature heating water tank, enabling an upper water temperature sensor to be vertically arranged on the upper top of the heater shell of the water temperature heating water tank, enabling the bottom end of a probe of the water temperature sensor to be arranged at the position of a lower area of a high water level line in a heating cavity of the water temperature heating water tank, and enabling the bottom end of the probe of the water temperature sensor to be positioned in a water level area below a water outlet of the water temperature heating water tank; a lower water temperature sensor mounting and fixing block is fixedly mounted on the side part of a heater shell of a water temperature heating water tank, the lower water temperature sensor is transversely arranged on the side part of the heater shell of the water temperature heating water tank, and a sensor probe is arranged in a region above a low water level line in a heating cavity of the water temperature heating water tank;
s2, inserting and electrically connecting a water level monitoring line connecting terminal connected with an upper water level height monitoring line and a lower water level height monitoring line with a water level monitoring circuit;
s3, when the upper water level in the water temperature heating water tank is at the height above the bottom of the upper water temperature sensor probe, namely the bottom end of the upper water temperature sensor probe is immersed below the upper water level; at the moment, the upper water temperature sensor probe and the lower water temperature sensor probe are both positioned below an upper water level in the water temperature heating water tank, cleaning water or cleaning liquid is in medium communication relation between the two water temperature sensor probes, the two water temperature sensor probes in the stainless steel 304 material structure and the electric connection transmission relation between the water temperature sensor mounting fixing blocks corresponding to the two water temperature sensor probes and the water level height monitoring lines are converted to form two water level height monitoring lines for monitoring to obtain resistance signal data of the immersed cleaning water or cleaning liquid, and the water level height in the water temperature heating water tank at the moment is enough to ensure the safe heating use of the heating pipe;
s4, when the upper water level in the water heating tank is lowered to a height below the bottom of the upper water temperature sensor probe, namely the bottom of the upper water temperature sensor probe is not immersed below the upper water level; at the moment, the medium between the upper water temperature sensor probe and the lower water temperature sensor probe is an air medium above the water surface in the water temperature heating water tank, the space between the upper water temperature sensor probe and the lower water temperature sensor probe is equivalent to an open circuit state, and resistance signal data obtained by monitoring of the water level monitoring circuit is in the open circuit state, which indicates that the water level height in the water temperature heating water tank is not enough to ensure the safe heating use of the heating pipe at the moment;
note: in the step S1, if the upper water level height monitoring line and the lower water level height monitoring line are installed first, and then the upper water temperature sensor mounting block and the lower water temperature sensor mounting block on which the water temperature sensors are mounted on the water temperature heating water tank, there is no strict front-to-back order regulation, and the description is recorded in the step S1, and only one mounting order is selected and recorded for the convenience of description and recording of the mounting steps; in the steps S3 to S4, the detection test is not performed in the exact order described above, and the detection and determination of the relevant step is automatically started depending on the water level in the water heating tank.
The detection method is simple, convenient and reliable, and does not need to safely use the water level sensor in the water temperature heating water tank to occupy larger heating cavity space, and when the detection method is used, only the water level monitoring line connecting terminal for connecting the outer end heads of the two water level height monitoring lines is connected with the detection circuit in a plug-in manner, so that the medium resistance data between the sensor packaging shell outside the upper water temperature sensor and the sensor packaging shell outside the lower water temperature sensor which are electrically communicated with the inner end heads of the two water level height monitoring lines can be simply and quickly detected, and further, whether the water level in the heating cavity of the water temperature heating water tank is in accordance with the normal condition or not can be directly judged. The mechanical fault phenomenon caused by the adoption of the water level sensor is reduced or avoided, the water level monitoring service life is prolonged, and the product market competitiveness is improved.
Preferably, the resistance signal data is determined to be that the space between the upper water temperature sensor probe and the lower water temperature sensor probe is equal to an open circuit state when the resistance is detected to be greater than 2 megaohms, 2.5 megaohms or 3 megaohms. The control circuit controls the execution of the related protection action. The reliability of simple, convenient and fast detection and judgment is improved.
The invention has the beneficial effects that: the upper and lower water level monitoring lines and a corresponding water temperature sensor are respectively integrated on the same water temperature sensor mounting fixing block, the water temperature sensor mounting fixing block adopting a stainless steel 304 material structure is electrically connected with the water level monitoring line of the sensor packaging shell, the aggregation and the switching of the electric connection of the water level monitoring lines are innovatively realized, and the function of the water level detector is realized by combining the medium resistance condition of heated flushing water or flushing liquid in the water temperature heating water tank, so that the aggregation and the switching of medium resistance data between the sensor packaging shells of the two water temperature sensors are monitored by the upper and lower water level monitoring lines, an innovative detection scheme is realized, the detection scheme is simple, the detection structure is simple and small in volume, the space size in the cavity of the water temperature heating water tank is not required to be occupied, and the occupied size on the cavity shell body of the water temperature heating water tank is also very small, only two water level monitoring lines need to be installed and connected. Compared with the overall size of the water temperature heating water tank used in the prior art, the overall size of the water temperature heating water tank can be reduced by 30mm compared with the height of the water temperature heating water tank in the prior art, the height of the water temperature heating water tank can be reduced to below 50mm after the application scheme of the invention is adopted, so that the use requirement can be met, the overall size of the water temperature heating water tank can be reduced to 15mm compared with the width of the water temperature heating water tank in the prior art by adopting the application scheme of the invention, the width of the water temperature heating water tank can be reduced to below 55mm after the application scheme of the invention is adopted, the use requirement can be met, the miniaturization development requirement of products is facilitated, more space utilization rate is provided for other control devices of an intelligent closestool or an intelligent pedestal pan, and the use experience of the intelligent closestool or the intelligent pedestal pan with more reasonable, more comfortable and higher end can be more easily designed. When the detection circuit is used, only the water level monitoring line connecting terminals which are connected with the outer end heads of the two water level height monitoring lines are connected with the detection circuit in a plug-in mode, so that the medium resistance data between the sensor packaging shell outside the upper water temperature sensor and the sensor packaging shell outside the lower water temperature sensor which are electrically communicated with the inner end heads of the two water level height monitoring lines can be simply and quickly detected, and further whether the water level in the heating cavity of the water temperature heating water tank is in accordance with the normal condition or not can be directly judged; can need not to use level sensor safely and lead to occuping great heating intracavity space in temperature heating water tank, reduction temperature heating water tank overall structure size that can great degree reduces or avoids adopting the mechanical fault phenomenon that level sensor brought, improves water level monitoring life, has promoted product market competition. Meanwhile, because a water level sensor in the traditional technology is omitted, the manufacturing cost of the water level sensor is omitted in the manufacturing cost of the product, and the market competitiveness of the product is improved again.
Description of the drawings:
the invention is described in further detail below with reference to the figures and the detailed description.
FIG. 1 is a schematic view of a water level detector for an intelligent toilet water temperature heating tank and an installation structure thereof according to the present invention.
FIG. 2 is a schematic structural diagram of a water level detector with a water temperature sensor for an intelligent toilet water heating tank according to the present invention.
Fig. 3 is a side view schematic of fig. 2.
Fig. 4 is a schematic view of the structure of fig. 2 viewed from another direction.
FIG. 5 is a schematic view of a water temperature sensor mounting block used for mounting a water level sensor in an intelligent toilet water heating tank according to the present invention.
FIG. 6 is a schematic diagram of a detection circuit for a water level detector in an intelligent toilet water temperature heating water tank according to the present invention.
Fig. 7 is a schematic sectional view showing a water heating tank using a water level sensor in the prior art.
Fig. 8 is a schematic top view showing a structure of a water heating tank in which a water level sensor is installed and used according to the related art.
Detailed Description
Example 1
In the embodiment shown in fig. 1, 2, 3, 4 and 5, a water level detector for an intelligent toilet water temperature heating water tank comprises two water temperature sensors 50 and two water temperature sensor mounting fixing blocks 10, wherein one water temperature sensor mounting fixing block 10 is separately and fixedly configured and connected with one water temperature sensor 50, respective sensor packaging shells of the two water temperature sensors 50 (in fig. 1, 50A is used for indicating an upper water temperature sensor, 50B is used for indicating a lower water temperature sensor, so as to distinguish the upper and lower position relations, and the same distinguishing consideration is that 41A is used for indicating an upper water level height monitoring line, and 41B is used for indicating a lower water level height monitoring line) are made of a stainless steel 304 material structure, the two water temperature sensors 50 are fixedly connected to the corresponding water temperature sensor mounting fixing blocks 10 through respective sensor packaging shells, and the fixed connection mode can be a riveting fixed connection mode or a laser welding fixed connection mode, each water temperature sensor mounting fixing block 10 is provided with a fixing block mounting positioning hole 30 and a water level height monitoring line mounting connecting hole 40, and the water level height monitoring line mounting hole 40 does not share a hole site with the fixing block mounting positioning hole 30; the two water temperature sensors 50 are respectively and correspondingly arranged on a heating water tank shell of the water temperature heating water tank 60 in a mounting and connecting way through water temperature sensor mounting and fixing blocks 10, wherein an upper water temperature sensor 50A is vertically arranged at the upper top of the heating water tank shell of the water temperature heating water tank 60, the bottom end of a water temperature sensor probe is arranged at the lower area of a high water level line C in a heating cavity of the water temperature heating water tank, a lower water temperature sensor is transversely arranged and connected at the side part of the heater shell of the water temperature heating water tank, and the sensor probe is arranged at the upper area of a low water level line D in the heating cavity of the water temperature heating water tank; the water level height monitoring line mounting connecting hole 40 on the upper water temperature sensor mounting fixing block for fixing the upper water temperature sensor 50A is provided with an upper water level height monitoring line 41A in a fastening mounting connection, the water level height monitoring line mounting connecting hole 40 on the lower water temperature sensor mounting fixing block for fixing the lower water temperature sensor is provided with a lower water level height monitoring line 41B in a fastening mounting connection, the outer ends of the upper and lower water level height monitoring lines are inserted and connected with two different end pins on the same water level monitoring line connecting terminal 70 (see figure 1), for example, the outer ends of the upper and lower water level height monitoring lines can be punched and connected with an inserting sheet or an inserting spring and then inserted and connected with the water level monitoring line connecting terminal 70 through the inserting sheet or the inserting spring, the water level monitoring line connecting terminal 70 can be a 2-in (2P) or 3-in (3P) inserting terminal, therefore, the water level detection can be quickly, simply and conveniently carried out by the plug-in electric connection with the corresponding socket on the water level monitoring circuit, the inner ends of the two water level height monitoring lines are fixedly and electrically connected with the sensor packaging shell through the water temperature sensor mounting and fixing block 10 with a stainless steel 304 structure, the inner ends of the two water level height monitoring lines are fixedly connected with the water level height monitoring line mounting and connecting hole through the connecting modes of fastening nuts, soldering tin welding and the like, the fastening and the conductive connection of the inner ends of the two water level height monitoring lines and the water temperature sensor mounting and fixing block are effectively realized, meanwhile, the water temperature sensor mounting and fixing block and the sensor packaging shell of the water temperature sensor are fixedly and electrically connected, the electric connection of the sensor packaging shell of the water temperature sensor and the water level height monitoring lines is effectively realized, the water temperature sensor not only detects water temperature state data information, the water level detection device also can provide double detection data states of water level detection data information, creates an innovative technical scheme for realizing the combination of double detection data functions, responds data change information to the maximum extent in time, improves detection application safety, and reduces the occupation of the cavity space of the water temperature heating water tank of the detection component. The space occupied by the water level monitoring line adopting the scheme of the invention is very small no matter for the cavity space of the water temperature heating water tank or the case body shell of the water temperature heating water tank, and the cavity space of the water temperature heating water tank is equivalent to no space occupied.
Each water temperature sensor mounting fixing block 10 is provided with 1 water temperature sensor mounting hole 20, 2 fixing block mounting positioning holes 30 and 1 water level height monitoring line mounting hole 40 (see fig. 5); the water level height monitoring line mounting hole 40 is an independent mounting hole on the same water temperature sensor mounting fixing block 10, and the water level height monitoring line mounting hole 40 does not share a hole position with any other hole position. An upper water outlet 62 and a lower water inlet 63 are arranged on a heating water tank shell of the water temperature heating water tank, wherein the bottom end of the upper water outlet 62 is highly arranged at the upper area of the bottom end of the probe of the vertically arranged water temperature sensor 50A. Adopts a heating water source water system structure with lower water inlet and upper water outlet. The water temperature sensor mounting hole is fixedly connected with a water temperature sensor packaging shell, the water temperature sensor packaging shell is integrally of a stainless steel material structure, and the water temperature sensor packaging shell and the water temperature sensor mounting fixing block are integrally connected. The improvement utilizes the whole electrically conductive stability of water temperature sensor encapsulation shell and resistance to aqueous humor erosion influence tolerance, improves water temperature sensor encapsulation shell life, improves the electrically conductive intercommunication reliability between water temperature sensor encapsulation shell and water level height monitoring line, improves the integration utilization of water temperature sensor and water level height monitoring line, the space is occupied in the heating chamber of fully reducing temperature heating water tank, the reduction temperature heating water tank overall structure size to a greater extent, more do benefit to the whole distribution rationality of other components of intelligent closestool or intelligent toilet bowl. The water temperature sensor mounting fixing block 10 is integrally of an L-shaped structure, 1 water temperature sensor mounting hole 30 and 2 fixing block mounting positioning holes 40 are distributed on a long block of the L-shaped structure, the 2 fixing block mounting positioning holes are respectively distributed at positions on two sides of the water temperature sensor mounting hole, and a water level monitoring height line mounting hole is formed in a short block of the L-shaped structure. The water temperature sensor packaging shell is vertically, fixedly and penetratingly connected to the front side and the back side of the water temperature sensor mounting and fixing block 10 (see fig. 2, 3 and 4), a water temperature sensor accommodating cavity is formed in the water temperature sensor packaging shell, and a water temperature sensor is mounted and packaged in the water temperature sensor accommodating cavity. The vertical fixed connection that runs through of temperature sensor encapsulation shell locates the positive and negative department of temperature sensor installation fixed block, and wherein the vertical height dimension of locating the temperature sensor installation fixed block top of temperature sensor encapsulation shell is the vertical 7 ~ 15% of locating the height dimension of temperature sensor installation fixed block below of temperature sensor encapsulation shell. The installation, the use, the stability and the reliability of the water temperature sensor packaging shell are improved. The connection line of the hole site center of the water temperature sensor mounting hole 20 and the hole site center of the fixed block mounting positioning hole 30 is on the same straight line, and the connection line of the hole site center of the water level height monitoring line mounting hole and the hole site center of 1 fixed block mounting positioning hole is on the same straight line A. The hole site center connecting line of water temperature sensor mounting hole 20 and fixed block installation locating hole 30 is on same straight line A, and fixed block installation locating hole 30 adopts two locating hole structures, and two fixed block installation locating holes 30 set up respectively in water temperature sensor mounting hole 20 both sides position department. The hole site center connecting line B of the water level height monitoring line mounting hole 40 and one fixing block mounting positioning hole 30 on the same side is vertical to the hole site center connecting line of the water temperature sensor mounting hole 20 and the fixing block mounting positioning hole 30. The bottom end of a water temperature sensor probe of the upper water temperature sensor 50A is immersed below a high water level line in the water temperature heating water tank and is arranged at a water level area at a height position below the bottom end of a water outlet 63 arranged on the shell of the heating water tank by less than 1.5 mm.
Example 2
In the embodiments shown in fig. 1, 2, 3, 4, 5 and 6, a water level detection method of a water level detector for an intelligent toilet water temperature heating water tank comprises the following water level detection method
S1, installing and connecting an upper water level height monitoring line 41A and a lower water level height monitoring line 41B in the water level detector in the embodiment 1, installing and fixing an upper water temperature sensor installation fixing block on the upper top of a heating water tank shell of a water temperature heating water tank 60, enabling an upper water temperature sensor 50A to be vertically arranged on the upper top of the heating water tank shell of the water temperature heating water tank, enabling the bottom end of a water temperature sensor probe to be arranged in a position below a high water level line C in a heating cavity of the water temperature heating water tank, and enabling the bottom end of the water temperature sensor probe to be located in a water level area below a water outlet of the water temperature heating water tank; a lower water temperature sensor mounting and fixing block is fixedly mounted on the side part of the heater shell of the water temperature heating water tank, the lower water temperature sensor 50B is transversely arranged on the side part of the heater shell of the water temperature heating water tank, and a sensor probe is arranged in the area above a low water level line D in a heating cavity of the water temperature heating water tank;
s2, inserting and electrically connecting a water level monitoring line connecting terminal 70 connected with an upper water level height monitoring line 41A and a lower water level height monitoring line 41B with a water level monitoring circuit;
s3, when the upper water level of the water temperature heating water tank 60 is at the height above the bottom of the probe of the upper water temperature sensor 50A, namely the bottom end of the probe of the upper water temperature sensor is immersed below the upper water level; at the moment, the upper water temperature sensor probe and the lower water temperature sensor probe are both positioned below an upper water level in the water temperature heating water tank, cleaning water or cleaning liquid is in medium communication relation between the two water temperature sensor probes, the two water temperature sensor probes in the stainless steel 304 material structure and the electric connection transmission relation between the water temperature sensor mounting fixing blocks corresponding to the two water temperature sensor probes and the water level height monitoring lines are converted to form two water level height monitoring lines for monitoring to obtain resistance signal data of the immersed cleaning water or cleaning liquid, and the water level height in the water temperature heating water tank at the moment is enough to ensure the safe heating use of the heating pipe;
s4, when the upper water level in the water heating tank 60 is lowered to a height below the bottom of the probe of the upper water temperature sensor 50A, namely, the bottom of the probe of the upper water temperature sensor 50A is not immersed below the upper water level; at the moment, the medium between the probe of the upper water temperature sensor 50A and the probe of the lower water temperature sensor 50B is an air medium above the water surface in the water temperature heating water tank, the probe of the upper water temperature sensor and the probe of the lower water temperature sensor are equivalent to an open circuit state, and resistance signal data obtained by monitoring of the water level monitoring circuit is in the open circuit state, which indicates that the water level height in the water temperature heating water tank is not enough to ensure the safe heating use of the heating pipe at the moment;
note: in the step S1, after the upper water level height monitoring line and the lower water level height monitoring line are installed, the upper water temperature sensor installation fixing block and the lower water temperature sensor installation fixing block on which the water temperature sensors are installed on the water temperature heating water tank; an upper water temperature sensor mounting fixing block and a lower water temperature sensor mounting fixing block which are provided with water temperature sensors are mounted on the water temperature heating water tank, and then an upper water level height monitoring line and a lower water level height monitoring line are mounted, and no strict front-back order regulation is provided; the above-mentioned description of S1 is only for the convenience of description and description of the installation steps to select and describe one installation sequence; in the steps S3 to S4, the detection test is not performed strictly in the above-described order, and the detection and determination of the relevant step is automatically started according to the water level in the water heating tank.
The resistance signal data is judged to be that the space between the upper water temperature sensor probe and the lower water temperature sensor probe is equal to an open circuit state when the monitored resistance is more than 2 megaohms (2M omega), 2.5 megaohms or 3 megaohms. And then the open circuit state is judged to be obtained between the upper water level height monitoring line and the lower water level height monitoring line. And the control circuit controls the execution of the related protection action. The selection of 2 megaohms (2M omega), 2.5 megaohms or 3 megaohms can be selected to be factory set or adjustable set according to the selection condition of various different flushing water sources or liquid sources used in the actual situation, and the adopted judgment resistance value data can be considered through the measurement of the resistance value of the used flushing water source or liquid source medium.
In the step S3 or S4, in the water level monitoring circuit electrically connected to the water level monitoring line connection terminal 70, one of two different pins of the same water level monitoring line connection terminal is electrically connected to the +5V power supply (or power supplies with different voltages such as 3V, 3.3V, etc.), the other pin is connected to the a/D analog-to-digital conversion circuit, and the pin is also connected in series with a first resistor R1 and then connected to the power ground GND, and the first resistor R1 is a fixed resistance resistor or a tunable resistance resistor. Thus, a voltage division detection circuit (see fig. 6) connected with the first resistor R1 in series is formed, so that whether the upper water level in the heating cavity of the water temperature heating water tank has safety detection of immersing the bottom end of the sensor probe of the upper temperature sensor in the heating water area can be simply and quickly detected, and corresponding timely protection action can be performed if necessary; thereby effectively in time prevent that the heating pipe from being burnt futilely, prevent that the potential safety hazard problem that the temperature heating water tank was burnt futilely from appearing. The detection method is simple, the detection circuit is simple, and the product detection manufacturing cost is low.
According to the resistance detection and analysis of the water quality of different water sources possibly used by the intelligent closestool by the applicant, the resistance range of the farmer spring mineral water is about 300-1000 Komega; the resistance range of the Waohaha mineral water is about 1.6M omega-1.8M omega; the resistance range of Yibao mineral water is about 1.5 MOmega; the resistance range of tap water is about 200K omega-1M omega, and the resistance range of purified water is less than about 2M omega; the air resistance can be more than 200 MOmega under the condition of low humidity; therefore, the applicant uses the resistance greater than 2 megaohms (2M omega) as the medium resistance value which is judged to be in an open circuit state between the upper water temperature sensor probe and the lower water temperature sensor probe, namely is similar to the medium resistance value in an air state (open circuit), and the judgment basis is also based on the large amount of detection experimental data of the water quality resistance values of different water sources made by the applicant.
During the use, with the installation connection well water level monitoring line connecting terminal of last water level height monitoring line and the water level height monitoring line down among water temperature sensor and the water level detector after being connected with water level monitoring circuit looks cartridge electricity, alright carry out the in-process of heating pipe heating water tank at the temperature heating water tank, automated inspection judges the condition whether the higher water level height of the interior higher water level of temperature heating water tank has submergence to last water temperature sensor bottom to can simply convenient light judge whether by dry combustion method the heating pipe is obtained, whether the temperature heating water tank is by dry combustion method phenomenon emergence.
The present invention is not limited to the above-described specific embodiments, and may have other structural embodiments, for example:
the water temperature sensor mounting fixing block 10 is designed into other shapes, a stainless steel 304 structure is made of stainless steel of other types, and as long as the water temperature sensor mounting fixing block 10 is provided with the water level height monitoring line mounting hole 40 and the water temperature sensor, and the water level height monitoring line mounting hole does not share a hole with any other hole; any material structure characteristic utilizing the corrosion resistance and the electric conductivity of stainless steel materials falls within the protection scope of the present invention.
In the positional relationship description of the present invention, the appearance of terms such as "inner", "outer", "upper", "lower", "left", "right", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings is merely for convenience of describing the embodiments and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation and operation, and thus, is not to be construed as limiting the present invention.
The outline of the water heating tank used in fig. 1 of the present application is a simple schematic diagram, which is only for convenience of drawing, and the shape of the water heating tank itself of the present application (which is not related to the technical solution of the present application) may also relate to other inventive technical solutions, so that only a simple schematic diagram is used, but the applicant has already provided a comparison technical document CN112962737A in the description of the background art, and in addition, the applicant also provides the shape design of the water heating tank in the prior art in fig. 7 and 8, and the shapes of the water heating tanks are basically similar to the shape of the water heating tank of the present application in the large direction, so that the present application fig. 1 cannot be taken as a limitation of the adverse factor of the present application.
The foregoing summary and structure are provided to explain the principles, general features, and advantages of the product and to enable others skilled in the art to understand the invention. The foregoing examples and description have been presented to illustrate the principles of the invention and are intended to provide various changes and modifications within the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a water level detector for intelligent closestool temperature heats water tank which characterized in that: the water temperature sensor mounting and fixing device comprises two water temperature sensors and two water temperature sensor mounting and fixing blocks, wherein each water temperature sensor mounting and fixing block is separately and fixedly connected with a water temperature sensor, respective sensor packaging shells of the two water temperature sensors are of stainless steel 304 structures, the two water temperature sensors are fixedly connected to the corresponding water temperature sensor mounting and fixing blocks through respective sensor packaging shells, each water temperature sensor mounting and fixing block is provided with a fixing block mounting and positioning hole and a water level height monitoring line mounting and connecting hole, and the water level height monitoring line mounting hole does not share a hole site with the fixing block mounting and positioning hole; the two water temperature sensors are respectively arranged on a heating water tank shell of the water temperature heating water tank through respective water temperature sensor mounting and fixing blocks, wherein the upper water temperature sensor is vertically arranged at the upper top of the heating water tank shell of the water temperature heating water tank, the bottom end of a water temperature sensor probe is arranged at the lower part of a high water level line in a heating cavity of the water temperature heating water tank, the lower water temperature sensor is transversely arranged at the side part of the heating water tank shell of the water temperature heating water tank, and the sensor probe is arranged at the upper part of a low water level line in the heating cavity of the water temperature heating water tank; the water level height monitoring line is connected and arranged on an upper water temperature sensor mounting fixing block of the fixed upper water temperature sensor, a lower water level height monitoring line is connected and arranged on a lower water temperature sensor mounting fixing block of the fixed lower water temperature sensor, the outer ends of the upper and lower water level height monitoring lines are connected with two different end pins on the same water level monitoring line connecting terminal in an inserting mode, and the inner ends of the two water level height monitoring lines are electrically connected with a sensor packaging shell through the water temperature sensor mounting fixing block of a stainless steel 304 material structure.
2. The water level detector for an intelligent toilet water temperature heating tank as claimed in claim 1, wherein: each water temperature sensor mounting fixing block is provided with 1 water temperature sensor mounting hole, 2 fixing block mounting positioning holes and 1 water level height monitoring line mounting hole; the water level height monitoring line mounting holes are independent mounting holes in the same water temperature sensor mounting fixing block, and the water level height monitoring line mounting holes do not share hole sites with any other hole sites.
3. The water level detector for an intelligent toilet water temperature heating tank as claimed in claim 1, wherein: the water temperature heating water tank is characterized in that an upper water outlet and a lower water inlet are formed in a heating water tank shell of the water temperature heating water tank, wherein the bottom end of the upper water outlet is arranged at the position of an area above the bottom end of a vertically arranged water temperature sensor probe.
4. The water level detector for an intelligent toilet water temperature heating tank as claimed in claim 1, wherein: the water temperature sensor mounting fixing block is integrally of an L-shaped structure, 1 water temperature sensor mounting hole and 2 fixing block mounting positioning holes are distributed in a long block of the L-shaped structure, the 2 fixing block mounting positioning holes are respectively distributed in positions on two sides of the water temperature sensor mounting hole, and a water level monitoring height line mounting hole is formed in a short block of the L-shaped structure.
5. The water level detector for an intelligent toilet water temperature heating tank as claimed in claim 1, wherein: the water temperature sensor packaging shell is vertically penetrated and fixedly connected with the front and back surfaces of the water temperature sensor mounting and fixing block, and a water temperature sensor accommodating cavity is formed in the water temperature sensor packaging shell.
6. The water level detector for an intelligent toilet water temperature heating tank as claimed in claim 1, 2 or 4, wherein: the connecting line of the hole site center of the water temperature sensor mounting hole and the hole site center of the fixing block mounting positioning hole is on the same straight line, and the connecting line of the hole site center of the water level height monitoring line mounting hole and the hole site center of 1 fixing block mounting positioning hole is on the same straight line.
7. The water level detector for an intelligent toilet water temperature heating tank as claimed in claim 1, 2 or 4, wherein: the hole site center line of water temperature sensor mounting hole and fixed block installation locating hole be on same straight line, fixed block installation locating hole adopts two locating hole structures, and two fixed block installation locating holes are located water temperature sensor mounting hole both sides position department respectively.
8. The water level detector for an intelligent toilet water temperature heating tank as claimed in claim 1, wherein: the bottom of a water temperature sensor probe of the upper water temperature sensor is immersed below a high water level line in the water temperature heating water tank and is arranged in a water level area at a height position below 1.5mm below the bottom of a water outlet arranged on the shell of the heating water tank.
9. A water level detection method of a water level detector for an intelligent toilet water temperature heating water tank is characterized in that: comprises the following water level detection method
S1, installing and connecting an upper water level height monitoring line and a lower water level height monitoring line in a water level detector according to any one of claims 1 to 8, installing and fixing an upper water temperature sensor installation fixing block on the upper top of a heating water tank shell of a water temperature heating water tank, enabling an upper water temperature sensor to be vertically arranged on the upper top of the heating water tank shell of the water temperature heating water tank, enabling the bottom end of a water temperature sensor probe to be arranged in a position below a high water level line in a heating cavity of the water temperature heating water tank, and enabling the bottom end of the water temperature sensor probe to be located in a water level area below a water outlet of the water temperature heating water tank; a lower water temperature sensor mounting and fixing block is fixedly mounted on the side part of a heating water tank shell of a water temperature heating water tank, the lower water temperature sensor is transversely arranged on the side part of the heating water tank shell of the water temperature heating water tank, and a sensor probe is arranged at a position above a low water level line in a heating cavity of the water temperature heating water tank;
s2, inserting and electrically connecting a water level monitoring line connecting terminal connected with an upper water level height monitoring line and a lower water level height monitoring line with a water level monitoring circuit;
s3, when the upper water level in the water temperature heating water tank is at the height above the bottom of the upper water temperature sensor probe, namely the bottom end of the upper water temperature sensor probe is immersed below the upper water level; at the moment, the upper water temperature sensor probe and the lower water temperature sensor probe are both positioned below an upper water level in the water temperature heating water tank, cleaning water or cleaning liquid is in medium communication relation between the two water temperature sensor probes, the two water temperature sensor probes in the stainless steel 304 material structure and the electric connection transmission relation between the water temperature sensor mounting fixing blocks corresponding to the two water temperature sensor probes and the water level height monitoring lines are converted to form two water level height monitoring lines for monitoring to obtain resistance signal data of the immersed cleaning water or cleaning liquid, and the water level height in the water temperature heating water tank at the moment is enough to ensure the safe heating use of the heating pipe;
s4, when the upper water level in the water heating tank is lowered to a height below the bottom of the upper water temperature sensor probe, namely the bottom of the upper water temperature sensor probe is not immersed below the upper water level; at the moment, the medium between the upper water temperature sensor probe and the lower water temperature sensor probe is an air medium above the water surface in the water temperature heating water tank, the space between the upper water temperature sensor probe and the lower water temperature sensor probe is equivalent to an open circuit state, and resistance signal data obtained by monitoring of the water level monitoring circuit is in the open circuit state, which indicates that the water level height in the water temperature heating water tank is not enough to ensure the safe heating use of the heating pipe at the moment;
note: in the step S1, if the upper water level height monitoring line and the lower water level height monitoring line are installed first, and then the upper water temperature sensor mounting block and the lower water temperature sensor mounting block on which the water temperature sensors are mounted on the water temperature heating water tank, there is no strict front-to-back order regulation, and the description is recorded in the step S1, and only one mounting order is selected and recorded for the convenience of description and recording of the mounting steps; in the steps S3 to S4, the detection test is not performed in the exact order described above, and the detection and determination of the relevant step is automatically started depending on the water level in the water heating tank.
10. The water level detecting method as claimed in claim 9, wherein: the resistance signal data is judged to be that the space between the upper water temperature sensor probe and the lower water temperature sensor probe is equal to an open circuit state when the monitored resistance is more than 2 megaohms, 2.5 megaohms or 3 megaohms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210634392.1A CN114877533A (en) | 2022-06-07 | 2022-06-07 | Water level detector for intelligent closestool water temperature heating water tank and detection method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210634392.1A CN114877533A (en) | 2022-06-07 | 2022-06-07 | Water level detector for intelligent closestool water temperature heating water tank and detection method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114877533A true CN114877533A (en) | 2022-08-09 |
Family
ID=82679976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210634392.1A Pending CN114877533A (en) | 2022-06-07 | 2022-06-07 | Water level detector for intelligent closestool water temperature heating water tank and detection method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114877533A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203731704U (en) * | 2014-01-13 | 2014-07-23 | 芜湖美的厨卫电器制造有限公司 | Dry-burning-prevention device and electric water heater |
| US20170059208A1 (en) * | 2015-08-26 | 2017-03-02 | Rheem Manufacturing Company | Electric water heater having dry fire protection capability |
| CN110726250A (en) * | 2019-09-27 | 2020-01-24 | 厦门科牧智能技术有限公司 | Heating assembly abnormity judgment method and sanitary cleaning device |
| CN111108350A (en) * | 2017-07-27 | 2020-05-05 | 沃特洛电气制造公司 | Sensor system and integrated heater-sensor for measuring and controlling heater system performance |
| KR102113020B1 (en) * | 2019-02-19 | 2020-05-20 | 센서나인(주) | Water level sensor for boiler and water level sensing apparatus including the same |
| CN112962737A (en) * | 2021-04-09 | 2021-06-15 | 宁波禾蒂智能卫浴有限公司 | Intelligent toilet water tank and control method thereof |
| CN214173487U (en) * | 2021-02-22 | 2021-09-10 | 浙江瑞德电子科技有限公司 | Low-cost water shortage detection mechanism of instant heating type water boiler |
| CN113405260A (en) * | 2021-06-17 | 2021-09-17 | 青岛经济技术开发区海尔热水器有限公司 | Electric water heater detection method and circuit and electric water heater |
-
2022
- 2022-06-07 CN CN202210634392.1A patent/CN114877533A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203731704U (en) * | 2014-01-13 | 2014-07-23 | 芜湖美的厨卫电器制造有限公司 | Dry-burning-prevention device and electric water heater |
| US20170059208A1 (en) * | 2015-08-26 | 2017-03-02 | Rheem Manufacturing Company | Electric water heater having dry fire protection capability |
| CN111108350A (en) * | 2017-07-27 | 2020-05-05 | 沃特洛电气制造公司 | Sensor system and integrated heater-sensor for measuring and controlling heater system performance |
| KR102113020B1 (en) * | 2019-02-19 | 2020-05-20 | 센서나인(주) | Water level sensor for boiler and water level sensing apparatus including the same |
| CN110726250A (en) * | 2019-09-27 | 2020-01-24 | 厦门科牧智能技术有限公司 | Heating assembly abnormity judgment method and sanitary cleaning device |
| CN214173487U (en) * | 2021-02-22 | 2021-09-10 | 浙江瑞德电子科技有限公司 | Low-cost water shortage detection mechanism of instant heating type water boiler |
| CN112962737A (en) * | 2021-04-09 | 2021-06-15 | 宁波禾蒂智能卫浴有限公司 | Intelligent toilet water tank and control method thereof |
| CN113405260A (en) * | 2021-06-17 | 2021-09-17 | 青岛经济技术开发区海尔热水器有限公司 | Electric water heater detection method and circuit and electric water heater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4943353A (en) | Control for modular water distiller | |
| CN202681629U (en) | Electric kettle | |
| JP2010069030A (en) | Electric shaver washer | |
| CN114877533A (en) | Water level detector for intelligent closestool water temperature heating water tank and detection method thereof | |
| JP2002107203A (en) | Sensor for water level detection | |
| CN110946467A (en) | Electric steaming furnace water supply tank with positioning and water level detecting device | |
| CN214300822U (en) | Shell structure of steam generator | |
| CN112962737A (en) | Intelligent toilet water tank and control method thereof | |
| CN111000456B (en) | Baking oven | |
| CN1256405A (en) | Liquid level measuring and controlling device and its manufacture | |
| CN209750758U (en) | Heating device and liquid heating container | |
| CN210270630U (en) | High-low liquid level control device | |
| CN209915724U (en) | Safe and reliable electromagnetic induction heating water dispenser | |
| CN210673052U (en) | Water adding pipe with high-low water level probe and kettle with water adding pipe | |
| CN212274279U (en) | Automatic power-off system based on door opening and closing state monitoring | |
| CN107989721B (en) | Integrated heater and filter and engine using same | |
| CN218269610U (en) | Water temperature detection protection structure of water temperature heating water tank and detection sensing installation structure thereof | |
| CN218724528U (en) | Liquid level sensor | |
| CN216048408U (en) | Water heater with water leakage detection mechanism | |
| CN220206081U (en) | Dry combustion method prevention temperature control structure | |
| CN109510009A (en) | A kind of multifrnction connector | |
| CN217687554U (en) | Water temperature sensor mounting fixing frame and water temperature sensor adopting same | |
| CN215211338U (en) | Intelligent toilet water tank | |
| CN220035620U (en) | Foam water tank control handrail for intelligent closestool | |
| CN113294915A (en) | Automatic power-off system based on door opening and closing state monitoring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |