CN104359176A - Dehumidification control system for bathroom - Google Patents
Dehumidification control system for bathroom Download PDFInfo
- Publication number
- CN104359176A CN104359176A CN201410667719.0A CN201410667719A CN104359176A CN 104359176 A CN104359176 A CN 104359176A CN 201410667719 A CN201410667719 A CN 201410667719A CN 104359176 A CN104359176 A CN 104359176A
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- China
- Prior art keywords
- toilet
- humidity sensor
- control system
- data
- input
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/20—Humidity
- F24F2110/22—Humidity of the outside air
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Atmospheric Sciences (AREA)
- Ventilation (AREA)
Abstract
The invention discloses a dehumidification control system for a bathroom. The system is used for controlling turn-on and turn-off of a ventilation fan. A ventilation fan connecting circuit comprises a power supply, a switch and the ventilation fan which are connected sequentially; the control system comprises a controller, an indoor humidity sensor and an outdoor humidity sensor; the indoor humidity sensor and the outdoor humidity sensor are connected with the controller respectively, are used for sensing indoor humidity data in the bathroom and outdoor atmospheric humidity data respectively and transmitting the data into the controller; the controller is used for controlling closing or opening of the switch according to the data. The control system can realize flexible control and is more humanized and more practical.
Description
Technical field
The invention belongs to detection and control field, particularly a kind of control system for improving toilet dehumidification rate.
Background technology
Always there is toilet in a large amount of steam, particularly family in toilet and bathroom is set together, and produces a large amount of steam during bathing, and cause humidity in air to increase, if long-term humidity is comparatively large, easy breed bacteria, is unfavorable for health; On the other hand, moist environment is also very large on impacts such as electrical equipment and furniture such as the water heater in toilet, light fixtures, shortens its service life, therefore, necessaryly to dehumidify to toilet, keeps its environmental drying as far as possible.
Two kinds are had at present to the mode that toilet dehumidifying adopts usually, one utilizes ventilation fan etc. to carry out indoor and outdoor gas exchanges, produce convection current, current normally used ventilation fan has three kinds of working methods: discharge formula, suction-type and also use formula, discharge formula enters air by natural inflow mouth, discharges foul atmosphere by ventilation fan; Suction-type is by ventilation fan inhale fresh air, discharges foul atmosphere from natural exhaust outlet; And be that air-breathing completes by ventilation fan, also known as draft fan with exhaust by formula.This class formation can be called with reference to Chinese Patent Application No. 201210128030.1, name " a kind of toilet exhaust fan " propose a kind of can the drawing fan structure of automatic switch, utilize the humidity in humidity sensor detection toilet, and the humidity value detected is passed to controller, when the humidity value detected reaches unlatching value, controller controls air exhauster work, so not only can removing indoor bad smell, can also the wasting of resources be reduced, can not make a noise for a long time because forgetting closedown; For another example Chinese Patent Application No. 201410030961.7, name are called that " a kind of toilet automatic ventilation system " is also arrange humidity sensor in toilet, humidity in Intelligent Recognition air also compares with setting value, when obtaining electric running higher than electric fan during setting value, shut down lower than during setting value, thus saving electric power, extend the service life of electric fan, and the air quality of Real-Time Monitoring toilet, safeguard health.
Another kind of dehumidification mode is the medicament using drier etc. to have moisture absorbing, is usually divided into two classes: chemical drier, as calcium sulfate and calcium chloride etc., generates hydrate carry out drying by being combined with water; Physical dryness agent, as silica gel and activated alumina etc., carries out drying by physical absorption water.By drier is placed in toilet, reach the effect of dehumidifying.As Chinese Patent Application No. 201220614051.X, name are called that " can hang vertical alternate form Wet removing bag " provides a kind of civilian Moistureproof dehumidification product for toilet, its structure comprises upper bag body and lower bag body, be connected with the sack of lower bag body at the bottom of the bag of upper bag body, upper bag body is used for splendid attire calcium chloride drier, the aqueous water that lower bag body is formed after being used for collecting the moisture absorption of calcium chloride drier, the aqueous water become be reserved with to make the moisture absorption of calcium chloride drier at the bottom of the bag of upper bag body after freely falls into the hole of lower bag body, and upper bag body has at least one side to adopt gas permeable material.
For the first dehumidification mode, the operation principle due to ventilation fan is the exchange between gas, therefore, when the air humidity of outdoor is large, such as when overcast and rainy, automatically opening ventilation fan not only can not to the air dewetting in toilet, indoor can be made on the contrary moister, lose more than gain.And for the second dehumidification mode, some chemical drier is harmful in volatilization, and there iing the family of child, be easy to be eaten by mistake by child, there is potential safety hazard.
By above analysis, the effect that existing toilet dehumidification system can not be realized ideal well, haves much room for improvement.
Summary of the invention
Object of the present invention, be to provide a kind of toilet dehumidification control system, it can realize flexible control, more hommization, has more practicality.
In order to reach above-mentioned purpose, solution of the present invention is:
A kind of toilet dehumidification control system, for controlling the keying of ventilation fan, described ventilation fan connecting circuit comprises the power supply, switch and the ventilation fan that are linked in sequence; Described control system comprises controller and the indoor humidity sensor be attached thereto respectively and outside humidity sensor, described indoor humidity sensor, outside humidity sensor sense the indoor humidity data in toilet, outdoor atmospheric humidity data respectively, and data are sent into controller, described controller is closed or disconnection according to aforementioned data gauge tap.
Above-mentioned controller comprises the A/D change-over circuit, decision circuitry and the control circuit that are linked in sequence, input junction chamber humidity sensor and the outside humidity sensor respectively of described A/D change-over circuit, after the data sensed respectively carry out A/D conversion, send into decision circuitry and judge; Described decision circuitry comprises 2 comparators, one and door and an XOR gate, wherein, first and second comparator is locker room's humidity data threshold and atmospheric humidity data threshold respectively, the input of described first comparator connects the indoor humidity data after carrying out A/D conversion, and output connects the first output with the first input end of door and XOR gate respectively; The input of the second comparator connects the atmospheric humidity data after carrying out A/D conversion, and output connects the second input with door; Described the second input being connected XOR gate with the output of door, the input of the output of XOR gate then connection control circuit, and the output connecting valve of control circuit.
Above-mentioned comparator adopts LM324.
Above-mentioned indoor and outdoor humidity sensor all adopts Ceramic Humidity Sensor.
Above-mentioned controller also connects alarm.
Above-mentioned alarm adopts flash lamp or buzzer.
After adopting such scheme, the present invention arranges outside humidity sensor by increase, by monitoring the atmospheric humidity situation of current outdoor, judge whether to be necessary to open ventilation fan, avoid the humidity in order to reduce toilet, introduce the situation that outdoor moisture is lost more than gain on the contrary, conscientiously improve effect on moisture extraction, have more practicality.
Accompanying drawing explanation
Fig. 1 is integrated stand composition of the present invention;
Fig. 2 is the realizing circuit figure of decision circuitry in the present invention.
Detailed description of the invention
Below with reference to accompanying drawing, technical scheme of the present invention is described in detail.
The invention provides a kind of toilet dehumidification control system, for improving existing dehumidification system, whether ventilation fan being opened and carries out Based Intelligent Control, existing ventilation fan connecting circuit as shown in Figure 1, described ventilation fan connects power supply via switch, and this is existing structure, repeats no more.
As shown in Figure 1, improvement of the present invention is, described control system comprises controller, outside humidity sensor, indoor humidity sensor and alarm, introduces respectively below.
Described outside humidity sensor is arranged on outdoor, for sensing outdoor atmospheric humidity situation in real time, and data is sent into controller; And indoor humidity sensor is arranged in toilet, on the top that specifically can be installed on toilet or wall, for sensing the humidity conditions in toilet in real time, and data are sent into controller.Described humidity sensor can adopt resistance-type or condenser type, and in the present embodiment, two humidity sensors all can adopt Ceramic Humidity Sensor.
Described controller receives the indoor humidity data of aforementioned compartment humidity sensor sensing and the atmospheric humidity data of outside humidity sensor sensing respectively, and respectively described data and threshold value are compared analysis, judge whether to need to control ventilation fan, concrete judgement principle is, respectively threshold value is set for indoor humidity data and atmospheric humidity data, by judging the size of data and each threshold value sensed, thus draw control command, first the size of indoor humidity data in toilet and threshold value is judged, when indoor humidity data are higher than threshold value, represent now comparatively moist in toilet, need in principle to carry out dehumidification operation, then the size judging atmospheric humidity data and threshold value is continued, if atmospheric humidity data are lower than threshold value, represent that now outside humidity is less, ventilation can be carried out ventilate, controller close switch, start ventilation fan, if atmospheric humidity data are higher than threshold value, represent that now outdoor may be overcast and rainy, air humidity is large, ventilation action should not be carried out, controller cut-off switch, do not start ventilation fan, start alarm simultaneously, people are reminded not open ventilation fan.
Described alarm can be arranged on the doorway place of toilet, and flash lamp specifically can be adopted to carry out light flash warning or buzzer audible alarm.
In the present embodiment, controller comprises the A/D change-over circuit, decision circuitry and the control circuit that are linked in sequence, shown in composition graphs 2, input junction chamber humidity sensor and the outside humidity large sensor respectively of described A/D change-over circuit, after the data sensed respectively carry out A/D conversion, send into decision circuitry and judge; Described decision circuitry comprises 2 comparator D1, D2, one and a door D3 and XOR gate D4, wherein, the reference value of the first comparator D1 is set to indoor humidity data threshold, its input connects the indoor humidity data after carrying out A/D conversion, and the output of the first comparator D1 connects the first output with the first input end of door D3 and XOR gate D4 respectively; The reference value of the second comparator D2 is set to atmospheric humidity data threshold, and its input connects the atmospheric humidity data after carrying out A/D conversion, and the output of the second comparator D2 connects the second input with door D3; Described the second input being connected XOR gate D4 with the output of door D3, the input of the output of XOR gate D4 then connection control circuit, and the output connecting valve of control circuit, if control circuit receives high level, then gauge tap closes, if control circuit receives low level, then gauge tap disconnects.Wherein, comparator can adopt LM324.
Composition graphs 2, its truth table is as shown in table 1, wherein, represents the output signal corresponding with it respectively with D1-D4.
Table 1
| D1 | D2 | D3 | D4 |
| 0 | 0 | 0 | 0 |
| 0 | 1 | 0 | 0 |
| 1 | 0 | 0 | 1 |
| 1 | 1 | 1 | 0 |
As can be seen from Table 1, once outside humidity is comparatively large, regardless of now toilet humidity, controller all can not start ventilation fan, and modes such as placing drier now can be adopted to reduce humidity in toilet; Only have when outdoor weather is better, when atmospheric humidity is less, just can determine whether start ventilation fan according to the humidity conditions in toilet, so just can effectively prevent from the contrary outdoor moisture being introduced indoor in ventilation, make the situation that toilet damp condition is even more serious, thus raising effect on moisture extraction, have more practicality.
Above embodiment is only and technological thought of the present invention is described, can not limit protection scope of the present invention with this, and every technological thought proposed according to the present invention, any change that technical scheme basis is done, all falls within scope.
Claims (6)
1. a toilet dehumidification control system, for controlling the keying of ventilation fan, described ventilation fan connecting circuit comprises the power supply, switch and the ventilation fan that are linked in sequence; It is characterized in that: described control system comprises controller and the indoor humidity sensor be attached thereto respectively and outside humidity sensor, described indoor humidity sensor, outside humidity sensor sense the indoor humidity data in toilet, outdoor atmospheric humidity data respectively, and data are sent into controller, described controller is closed or disconnection according to aforementioned data gauge tap.
2. a kind of toilet as claimed in claim 1 dehumidification control system, it is characterized in that: described controller comprises the A/D change-over circuit, decision circuitry and the control circuit that are linked in sequence, input junction chamber humidity sensor and the outside humidity sensor respectively of described A/D change-over circuit, after the data sensed respectively carry out A/D conversion, send into decision circuitry and judge; Described decision circuitry comprises 2 comparators, one and door and an XOR gate, wherein, first and second comparator is locker room's humidity data threshold and atmospheric humidity data threshold respectively, the input of described first comparator connects the indoor humidity data after carrying out A/D conversion, and output connects the first output with the first input end of door and XOR gate respectively; The input of the second comparator connects the atmospheric humidity data after carrying out A/D conversion, and output connects the second input with door; Described the second input being connected XOR gate with the output of door, the input of the output of XOR gate then connection control circuit, and the output connecting valve of control circuit.
3. a kind of toilet as claimed in claim 2 dehumidification control system, is characterized in that: described comparator adopts LM324.
4. a kind of toilet as claimed in claim 1 dehumidification control system, is characterized in that: described indoor and outdoor humidity sensor all adopts Ceramic Humidity Sensor.
5. a kind of toilet as claimed in claim 1 dehumidification control system, is characterized in that: described controller also connects alarm.
6. a kind of toilet as claimed in claim 5 dehumidification control system, is characterized in that: described alarm adopts flash lamp or buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410667719.0A CN104359176A (en) | 2014-11-20 | 2014-11-20 | Dehumidification control system for bathroom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410667719.0A CN104359176A (en) | 2014-11-20 | 2014-11-20 | Dehumidification control system for bathroom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104359176A true CN104359176A (en) | 2015-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410667719.0A Pending CN104359176A (en) | 2014-11-20 | 2014-11-20 | Dehumidification control system for bathroom |
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| CN (1) | CN104359176A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108130942A (en) * | 2018-02-02 | 2018-06-08 | 广东新欧智能卫浴有限公司 | A kind of host cavity of intelligent closestool keeps the device moderately dried and control method |
| CN108224661A (en) * | 2018-04-16 | 2018-06-29 | 安徽机电职业技术学院 | A kind of toilet automatic dehumidifying disinfection system |
| CN108317657A (en) * | 2018-04-16 | 2018-07-24 | 安徽机电职业技术学院 | A kind of toilet automatic dehumidification system |
-
2014
- 2014-11-20 CN CN201410667719.0A patent/CN104359176A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108130942A (en) * | 2018-02-02 | 2018-06-08 | 广东新欧智能卫浴有限公司 | A kind of host cavity of intelligent closestool keeps the device moderately dried and control method |
| CN108224661A (en) * | 2018-04-16 | 2018-06-29 | 安徽机电职业技术学院 | A kind of toilet automatic dehumidifying disinfection system |
| CN108317657A (en) * | 2018-04-16 | 2018-07-24 | 安徽机电职业技术学院 | A kind of toilet automatic dehumidification system |
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Application publication date: 20150218 |
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