CN112255565A - Heating control and fault monitoring system and method for toilet cleaning and flushing - Google Patents
Heating control and fault monitoring system and method for toilet cleaning and flushing Download PDFInfo
- Publication number
- CN112255565A CN112255565A CN202011183998.5A CN202011183998A CN112255565A CN 112255565 A CN112255565 A CN 112255565A CN 202011183998 A CN202011183998 A CN 202011183998A CN 112255565 A CN112255565 A CN 112255565A
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- Prior art keywords
- temperature
- heating
- controller
- contact
- water tank
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 87
- 238000012544 monitoring process Methods 0.000 title claims abstract description 16
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 13
- 238000004140 cleaning Methods 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 title claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 82
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 238000005485 electric heating Methods 0.000 claims abstract description 4
- 238000004891 communication Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims 3
- 238000005406 washing Methods 0.000 claims 1
- 230000000474 nursing effect Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/1902—Control of temperature characterised by the use of electric means characterised by the use of a variable reference value
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Automation & Control Theory (AREA)
- Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
Abstract
The invention discloses a heating control and fault monitoring system and a method for toilet cleaning and flushing, comprising a temperature sensor, a water tank empty level, a relay, an overtemperature protection switch, a heating device, a controller and a display; the temperature sensor and the empty liquid level of the water tank are connected with the controller; one end of a coil A of the relay is connected to the water tank empty signal input end, and the other end of the coil A is connected to the power supply output end of the controller; one end of a contact B of the relay is connected to a third contact of the over-temperature protection switch, the other end of the contact B of the relay is connected to the electric heating device, and the heating device is connected with a power supply zero line N; a first contact of the over-temperature protection switch is connected to a power supply live wire L, and a second contact of the over-temperature protection switch is connected to a heating fault signal input end of the controller; the controller is connected with the display.
Description
Technical Field
The invention relates to a heating control and fault monitoring system and method for toilet cleaning and flushing.
Background
In the intelligent toilet or the nursing toilet, in order to meet the requirements of different people, the temperature of toilet cleaning flushing water needs to be set according to the requirements of different people, and most of the intelligent toilet or the nursing toilet have a water temperature adjusting function, but the monitoring, the protection and the fault mode analysis of the heating process are relatively less.
Disclosure of Invention
The invention provides a heating control and fault monitoring method aiming at the water temperature adjusting function of flushing water for cleaning an intelligent toilet or a nursing toilet, which can adjust the water temperature and can also carry out heating protection and heating fault mode display on the intelligent toilet or the nursing toilet.
In order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, the invention provides a heating control and fault monitoring method for toilet cleaning and flushing, which comprises a temperature sensor, a water tank empty level, a relay, an overtemperature protection switch, a heating device, a controller and a display, wherein the temperature sensor is connected with the water tank empty level;
the temperature sensor and the empty liquid level of the water tank are connected with the controller;
one end of a coil A of the relay is connected to the water tank empty signal input end, and the other end of the coil A is connected to the power supply output end of the controller; one end of a contact B of the relay is connected to the overtemperature protection switch contact 3, and the other end of the contact B of the relay is connected to the electric heating device;
a contact 1 of the over-temperature protection switch is connected to a power supply live wire L, a contact 2 of the over-temperature protection switch is connected to a heating fault signal input end of the controller, and a contact 3 of the over-temperature protection switch is connected to one end of a relay contact B;
one end of the heating device is connected to the relay contact B, and the other end of the heating device is connected to the power supply zero line N;
the controller is connected with the display through a communication line.
In a second aspect, the present invention further provides a heating control and fault monitoring method for toilet flushing, which includes:
water temperature heating: the temperature of the water temperature is set through the display, and the set information is transmitted to the controller through the communication line; the controller detects the current water temperature through the temperature sensor and compares the current water temperature with a set temperature, when the set temperature is higher than the temperature detected by the current temperature sensor, the water tank of the controller heats 0V signal for output, under the condition that the water tank has water, the relay coil A acts, the relay contact B is attracted, a heating loop is formed at the moment, the heating device starts to heat, and the display displays that the water is normally heated; when the set temperature is equal to the temperature detected by the current temperature sensor, the controller water tank is heated without 0V output, the relay coil A does not act, the contact B does not attract, the heating device stops heating, and the display displays that the water heating stops;
overtemperature protection: when the temperature sensor breaks down, the heating device can continuously heat, when the temperature reaches the temperature at which a human body feels uncomfortable, the 1 and 3 of the over-temperature protection switch are changed from a closed state to an open state, the 1 and 2 are changed from the open state to the closed state, the controller receives an over-temperature heating fault signal, and the display displays the fault that the heating temperature is too high;
empty protection of the water tank: when the water tank is empty, the empty liquid level of the water tank is disconnected, after the water tank is heated by 0V and output, the controller cannot receive a 0V signal, meanwhile, a relay coil A cannot receive a 0V output signal for heating the water tank, a relay contact B is disconnected, the heating device does not heat, and the display displays a waterless heating fault;
heating power failure: when the heating power live wire L breaks down, the controller cannot receive the heating power signal, and the display displays the heating power failure.
The invention has the beneficial effects that:
the display of the invention can display the water temperature and can set the water temperature. When the water temperature is too high, overtemperature protection can be realized through the overtemperature protection switch. When the water tank is empty, the heating device is not heated through the empty liquid level of the water tank, and non-heating protection is realized. And the display can display the heating state and the heating failure mode.
Drawings
Fig. 1 is an electrical schematic of the present invention.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, unless the invention expressly state otherwise, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
as described in the background art, in the prior art, in an intelligent toilet or a nursing toilet, in order to meet the needs of different people, the temperature of toilet cleaning flushing water needs to be set according to the needs of different people, and most of the intelligent toilets or nursing toilets have a water temperature adjusting function, but monitoring, protection and failure mode analysis of a heating process are relatively few.
In a typical embodiment of the present invention, as shown in fig. 1, a heating control and fault monitoring system for toilet cleaning and flushing is disclosed, which comprises a temperature sensor, a tank empty level, a relay, an over-temperature protection switch, a heating device, a controller, and a display;
one end of the temperature sensor is connected to the analog quantity public end of the controller, and the other end of the temperature sensor is connected to the analog quantity input end of the controller; the temperature sensor can adopt the existing thermistor sensor, the temperature of the water tank in the toilet can be monitored in real time through the temperature sensor, and the temperature sensor is arranged in the toilet water tank.
One end of the empty liquid level of the water tank is connected to the heating 0V output end of the controller water tank, and the other end of the empty liquid level of the water tank is connected to the empty signal input end of the controller water tank; the empty level of the water tank is an existing switch, when the water tank is empty, the empty level of the water tank is disconnected, and when water exists in the water tank, the water tank is always in a closed state. The empty level of the water tank is arranged at the bottom of the toilet water tank.
Wherein the relay comprises a coil A and a contact B; the overtemperature protection switch is an existing temperature protection switch and comprises three contacts, namely a contact 1, a contact 2 and a contact 3;
one end of the relay coil A is connected to the water tank empty signal input end, and the end of the relay coil A is connected with the same end of the water tank empty liquid level; the other end of the relay coil A is connected to a 24VDC output end of the controller, namely a direct current power supply end, and the relay is powered; one end of a contact B of the relay is connected to the overtemperature protection switch contact 3, and the other end of the contact B of the relay is connected to the electric heating device; a contact 1 of the over-temperature protection switch is connected to a power supply live wire L, a contact 2 of the over-temperature protection switch is connected to a heating fault signal input end of the controller, and a contact 3 of the over-temperature protection switch is connected to one end of a relay contact B; one end of the heating device is connected to the relay contact B, and the other end of the heating device is connected to the power supply zero line N; namely, the heating device, the contact B of the relay and the super heat-preservation switch are connected in series. When the temperature sensor breaks down, the heating device can continuously heat, when the temperature reaches the temperature at which a human body feels uncomfortable, the contact 1 and the contact 3 of the over-temperature protection switch are changed from a closed state to an open state, and the contact 1 and the contact 2 are changed from the open state to the closed state, so that over-temperature protection is realized;
meanwhile, in order to display the temperature and the fault, the controller and the display in the embodiment are connected through a communication line. The controller receives an over-temperature heating fault signal, and the display displays a fault of over-high heating temperature;
based on the above system, this embodiment further provides a heating control and fault monitoring method for toilet bowl flushing, which includes the following steps:
water temperature heating: the temperature of the water temperature is set through the display, and the set information is transmitted to the controller through the communication line; the controller detects the current water temperature through the temperature sensor and compares the current water temperature with a set temperature, when the set temperature is higher than the temperature detected by the current temperature sensor, the water tank of the controller heats 0V signal for output, under the condition that the water tank has water, the relay coil A acts, the relay contact B is attracted, a heating loop is formed at the moment, the heating device starts to heat, and the display displays that the water is normally heated; when the set temperature is equal to the temperature detected by the current temperature sensor, the controller water tank is heated without outputting a 0V signal, the relay coil A does not act, the contact B does not attract, the heating device stops heating, and the display displays that the water heating stops;
overtemperature protection: when the temperature sensor breaks down, the heating device can continuously heat, when the temperature reaches the temperature at which a human body feels uncomfortable, the 1 and 3 of the over-temperature protection switch are changed from a closed state to an open state, the 1 and 2 are changed from the open state to the closed state, the controller receives an over-temperature heating fault signal, and the display displays the fault that the heating temperature is too high;
empty protection of the water tank: when the water tank is empty, the empty liquid level of the water tank is disconnected, after a 0V signal heated by the water tank is output, the controller cannot receive the 0V signal, meanwhile, a relay coil A cannot receive the 0V output signal heated by the water tank, a relay contact B is disconnected, the heating device does not heat, and the display displays a water-free heating fault;
heating power failure: when the heating power supply live wire L breaks down, the controller cannot receive a heating power supply signal, and the display displays the heating power supply failure;
the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A heating control and fault monitoring system for toilet cleaning and flushing is characterized by comprising a temperature sensor, a water tank empty level, a relay, an over-temperature protection switch, a heating device, a controller and a display;
the temperature sensor and the empty liquid level of the water tank are connected with the controller; one end of a coil A of the relay is connected to the water tank empty signal input end, and the other end of the coil A is connected to the power supply output end of the controller; one end of a contact B of the relay is connected to a third contact of the over-temperature protection switch, the other end of the contact B of the relay is connected to the electric heating device, and the heating device is connected with a power supply zero line N; a first contact of the over-temperature protection switch is connected to a power supply live wire L, and a second contact of the over-temperature protection switch is connected to a heating fault signal input end of the controller; and the controller is connected with the display.
2. A toilet bowl flush heat control and fault detection system as claimed in claim 1 wherein said temperature sensor is connected at one end to a controller analog common and at the other end to a controller analog input.
3. A toilet flush heat control and fault monitoring system as claimed in claim 1 wherein said temperature sensor is located in the toilet tank for real time sensing of the temperature of the toilet tank.
4. The heating control and fault detection system for toilet bowl flush according to claim 1, wherein the tank empty level is connected to the controller tank heating 0V output at one end and to the controller tank empty signal input at the other end.
5. A heating control and fault detection system for a toilet flush as claimed in claim 1 wherein said tank empty level is provided at the bottom of the toilet tank for detecting if the tank level is empty.
6. A heating control and fault monitoring system for toilet bowl flush as claimed in claim 1 wherein coil a of said relay is connected to the controller's 24 VDC.
7. A method for controlling water temperature and monitoring faults by using the heating control and fault monitoring system for toilet bowl washing and flushing according to any one of claims 1-6, comprising the following steps:
the temperature of the water temperature is set through the display, and the set information is transmitted to the controller through the communication line; the controller detects the current water temperature through the temperature sensor and compares the current water temperature with a set temperature, when the set temperature is higher than the temperature detected by the current temperature sensor, the water tank of the controller heats 0V signal for output, under the condition that the water tank has water, the relay coil A acts, the relay contact B is attracted, a heating loop is formed at the moment, the heating device starts to heat, and the display displays that the water is normally heated; when the set temperature is equal to the temperature detected by the current temperature sensor, the controller water tank is heated without 0V output, the relay coil A does not act, the contact B does not attract, the heating device stops heating, and the display displays that the water heating stops;
when the temperature sensor breaks down, the heating device can continuously heat, when the temperature reaches the temperature at which a human body feels uncomfortable, the first contact and the third contact of the over-temperature protection switch are changed from a closed state to an open state, the first contact and the second contact are changed from the open state to the closed state, the controller receives an over-temperature heating fault signal, and the display displays the fault that the heating temperature is too high;
when the water tank is empty, the empty liquid level of the water tank is disconnected, after the water tank is heated by 0V and output, the controller cannot receive a 0V signal, meanwhile, a relay coil A cannot receive a 0V output signal for heating the water tank, a relay contact B is disconnected, the heating device does not heat, and the display displays a waterless heating fault;
when the heating power live wire L breaks down, the controller cannot receive the heating power signal, and the display displays the heating power failure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011183998.5A CN112255565A (en) | 2020-10-29 | 2020-10-29 | Heating control and fault monitoring system and method for toilet cleaning and flushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011183998.5A CN112255565A (en) | 2020-10-29 | 2020-10-29 | Heating control and fault monitoring system and method for toilet cleaning and flushing |
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| Publication Number | Publication Date |
|---|---|
| CN112255565A true CN112255565A (en) | 2021-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011183998.5A Pending CN112255565A (en) | 2020-10-29 | 2020-10-29 | Heating control and fault monitoring system and method for toilet cleaning and flushing |
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| CN (1) | CN112255565A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201715687U (en) * | 2010-05-13 | 2011-01-19 | 蓝十字生物药业（北京）有限公司 | Constant-temperature water box |
| CN202993614U (en) * | 2012-12-28 | 2013-06-12 | 南京信息工程大学 | Water heater controller |
| CN104482661A (en) * | 2014-12-15 | 2015-04-01 | 桂林科技企业发展中心 | DSP (digital signal processor)-based electric water heater control system |
| CN205827282U (en) * | 2016-07-22 | 2016-12-21 | 王福青 | A kind of electric boiler temperature control system |
| CN107300259A (en) * | 2017-05-27 | 2017-10-27 | 深圳市鹰之航航空科技有限公司 | The method of water boiling device and control of heating up water with many defencive functions |
| CN207661994U (en) * | 2017-11-17 | 2018-07-27 | 苏州工业园区艾思科技有限公司 | A kind of storage-type electric water heater time-sharing control system |
| CN108800596A (en) * | 2018-06-13 | 2018-11-13 | 芜湖美的厨卫电器制造有限公司 | Temperature sensor, water heater, troubleshooting method and device |
| CN210721167U (en) * | 2019-12-10 | 2020-06-09 | 北京京仪自动化装备技术有限公司 | Heater protection system and temperature control equipment |
-
2020
- 2020-10-29 CN CN202011183998.5A patent/CN112255565A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201715687U (en) * | 2010-05-13 | 2011-01-19 | 蓝十字生物药业（北京）有限公司 | Constant-temperature water box |
| CN202993614U (en) * | 2012-12-28 | 2013-06-12 | 南京信息工程大学 | Water heater controller |
| CN104482661A (en) * | 2014-12-15 | 2015-04-01 | 桂林科技企业发展中心 | DSP (digital signal processor)-based electric water heater control system |
| CN205827282U (en) * | 2016-07-22 | 2016-12-21 | 王福青 | A kind of electric boiler temperature control system |
| CN107300259A (en) * | 2017-05-27 | 2017-10-27 | 深圳市鹰之航航空科技有限公司 | The method of water boiling device and control of heating up water with many defencive functions |
| CN207661994U (en) * | 2017-11-17 | 2018-07-27 | 苏州工业园区艾思科技有限公司 | A kind of storage-type electric water heater time-sharing control system |
| CN108800596A (en) * | 2018-06-13 | 2018-11-13 | 芜湖美的厨卫电器制造有限公司 | Temperature sensor, water heater, troubleshooting method and device |
| CN210721167U (en) * | 2019-12-10 | 2020-06-09 | 北京京仪自动化装备技术有限公司 | Heater protection system and temperature control equipment |
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Effective date of registration: 20230412 Address after: 215557 Zhengwen Road, Yushan High-tech Industrial Park, Changshu, Suzhou, Jiangsu Province Applicant after: Jiangsu CRRC Huateng Environmental Protection Technology Co.,Ltd. Address before: 250101 No. 3666 Century Avenue, Jinan High-tech Zone, Shandong Province Applicant before: SHANDONG CRRC HUATENG ENVIRONMENT Co.,Ltd. |
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Application publication date: 20210122 |