CN204254819U - Family room environment self-checking device - Google Patents
Family room environment self-checking device Download PDFInfo
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- CN204254819U CN204254819U CN201420338917.8U CN201420338917U CN204254819U CN 204254819 U CN204254819 U CN 204254819U CN 201420338917 U CN201420338917 U CN 201420338917U CN 204254819 U CN204254819 U CN 204254819U
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The utility model discloses a kind of family room environment self-checking device, comprise power circuit, temperature signal collection circuit, moisture signal Acquisition Circuit, signal judging circuit, executive circuit and electric equipment; Described power circuit connects described temperature signal collection circuit, moisture signal Acquisition Circuit and electric equipment respectively, described temperature signal collection circuit, moisture signal Acquisition Circuit all connect described signal judging circuit, signal judging circuit connects described executive circuit, and executive circuit connects described electric equipment.The utility model can according to temperature, humidity and the air quality in the automatic conditioning chamber of domestic environment, for people provide good domestic environment.
Description
Technical field
The utility model relates to a kind of family domestic environment automatic adjustment technology, especially relates to a kind of family room environment self-checking device.
Background technology
Along with industrial and agricultural production great development, national economy improves rapidly, and living standards of the people constantly promote, and people require also to improve constantly to life housing conditions.At present, because national economy is in the high speed development primary stage, very many-sided technology and management perfect all not, under the state of rapid economic development, occur that some to be survived the unfavorable phenomenon of living environment to people, have impact on people's state of mind, reduce health of people level.
People, in order to improve health conditions, improve the state of mind, and just must improve existing severe existence living environment, make the indoor temperature of inhabitation, humidity reaches due comfort level, the air particularly breathed feels pure and fresh, reach people and to survive healthy requirement.In order to improve air pollution, country also takes several steps, and because country is too large, space too large effect is not remarkable, takes local to administer comparatively reality according to current present situation.People's one day scope of activities is exactly in work position, in the road of working, be in room, wherein the time is the longest at home, can the temperature in family room, humidity, air, enhancement of environment comfortable, be very effectively improve that people are healthy, the happy good method of spirit.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of family room environment self-checking device, can according to temperature, humidity and the air quality in the automatic conditioning chamber of domestic environment, for people provide good domestic environment.
For achieving the above object, the utility model by the following technical solutions:
A kind of family room environment self-checking device, wherein, comprises power circuit, temperature signal collection circuit, moisture signal Acquisition Circuit, signal judging circuit, executive circuit and electric equipment; Described power circuit connects described temperature signal collection circuit, moisture signal Acquisition Circuit and electric equipment respectively, described temperature signal collection circuit, moisture signal Acquisition Circuit all connect described signal judging circuit, signal judging circuit connects described executive circuit, and executive circuit connects described electric equipment.
As preferably, described electric equipment comprises electric refrigerator, heating electrical appliance, dehumidifying electrical equipment, humidification electrical equipment, air purifier, ventilating fan; Described signal judging circuit comprises temperature decision circuitry and humidity decision circuitry, and described executive circuit comprises temperature executive circuit and humidity executive circuit; Described temperature signal collection circuit is connected the signal input part of temperature decision circuitry and humidity decision circuitry respectively with the signal output part of moisture signal Acquisition Circuit, the signal output part of described temperature decision circuitry is connected with the electric refrigerator in electric equipment or heating electrical appliance by temperature executive circuit, and the signal output part of described humidity decision circuitry is connected with the dehumidifying electrical equipment in electric equipment or humidification electrical equipment by humidity executive circuit.
As preferably, described power circuit comprises two-phase hand switch, the normally opened contact of the relay of described executive circuit, normally-closed contact, and rectification circuit; Described two-phase hand switch has two to connect end, one end is power end (end of incoming cables), the other end is load side (leading-out terminal), described two-phase hand switch has battery main switch and branch switch respectively, the power supply termination 220KV civil power of described battery main switch, the power end of branch switch described in the load termination of master switch, the leading-out terminal of described branch switch connects the power circuit of described electric equipment respectively; Described branch switch has the normally opened contact of 4 way switch and the relay of described executive circuit, normally-closed contact in parallel, 4 way switch control electric refrigerator, heating electrical appliance, dehumidifying electrical equipment and humidification electrical equipment respectively, the normally opened contact of the relay of described executive circuit controls heating electrical appliance, humidification appliances power source circuit, the normally-closed contact control electric refrigerator of the relay of described executive circuit, dehumidifying appliances power source circuit; Branch switch is connected with air purifier and exhaust fan respectively; Battery main switch connects described rectification circuit, the temperature signal collection circuit described in output connection of rectification circuit and moisture signal Acquisition Circuit.
As preferably, described temperature signal collection circuit comprises four resistors, a potentiometer, an integrated circuit, a transistor, a diode, a relay; Described four resistors are respectively R1, R2, R3, R4, and described potentiometer has 3 terminals, is respectively 1,2,3, and described integrated circuit has 4 terminals, is respectively 1,2,3,4; Described transistor has 3 poles, is respectively B, C, E;
Described integrated circuit 1 terminal connects described resistor R1 respectively, R3 one end, 2 terminals connect described R2 one end respectively, described transistor E connects power cathode ground connection extremely afterwards, 3 terminals connect described resistor R4 one end respectively, the B pole of described transistor, integrated circuit 4 terminal connects described potentiometer 3 end, described potentiometer 1 end connects the described resistance R1 other end, described potentiometer 2 end connects the described resistance R2 other end, the described resistance R3 other end connects the described resistor R4 other end respectively, relay coil connects positive source behind one end, the described relay coil other end connects the C pole of described triode, described diode is attempted by described relay coil two ends.
As preferably, moisture signal Acquisition Circuit comprises seven resistors, two potentiometers, a capacitor, a moisture sensor, a rectifier, an integrated circuit, a transistor, a diode, a relay; Described seven resistors are respectively R6, R7, R8, R9, R10, R11, R12, and described potentiometer has 3 terminals, is respectively 1,2,3, and described rectifier has 4 terminals, is respectively 1,2,3,4; Described integrated circuit has 5 terminals, is respectively 1,2,3,4,5; Described transistor has 3 poles, is respectively B, C, E;
Described rectifier 1 end connects described moisture sensor RS one end, described rectifier 2 end connects described resistor R7 one end respectively, 2 ends of potentiometer PR2, described rectifier 3 end connects described capacitor C1 one end respectively, described resistor R9 one end, transistor E pole, diode VD2 connects power cathode ground connection behind one end, described rectifier 4 end connects the described capacitor C1 other end respectively, described resistor R8 one end, the described moisture sensor RS other end connects 3 ends of described potentiometer PR2, 1 end of described potentiometer PR2 connects described resistor R6 one end, the described resistor R6 other end connects AC power B1 end, the described resistor R7 other end connects AC power B2 end, the described resistor R8 other end connects the described resistor R9 other end respectively, described resistor R11 one end,
Described integrated circuit 1 terminal connects described resistor R10 one end, described integrated circuit 2 terminal connects the described resistor R11 other end, described integrated circuit 3 terminal connects described resistor R12 one end, the described resistor R12 other end connects described transistor B pole respectively, diode one end, described transistor C pole connects described relay coil one end, the described relay coil other end connects positive source after connecting 1 end of described potentiometer PR3, the described potentiometer PR3 other end 2, movable end 3 connects the described resistor R10 other end after connecting, described integrated circuit 4 terminal connects positive source, described integrated circuit 5 terminal connects power cathode.
The beneficial effects of the utility model are:
The utility model can adjust family room environment temperature, humidity, air quality automatically, for people provide good domestic environment, meet the requirement that people are healthy, spirit is happy, also just avoid or reduce that people's health is sick, lassitude, improve people's quality of life, too increase the benefit of enterprise and society simultaneously.
Other advantages of the present utility model, target and feature will be set forth to a certain extent in the following description, and to a certain extent, based on will be apparent to those skilled in the art to investigating hereafter, or can be instructed from practice of the present utility model.Target of the present utility model and other advantages can be realized by structure specifically noted in description below or accompanying drawing and be obtained.
Accompanying drawing explanation
Fig. 1 is structure principle chart of the present utility model;
Fig. 2 is the utility model power circuit wiring schematic diagram;
Fig. 3 is the utility model temperature signal collection decision circuitry figure;
Fig. 4 is that the utility model moisture signal gathers decision circuitry figure.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described.
As shown in Figure 1, the utility model comprises power circuit, temperature signal collection circuit, moisture signal Acquisition Circuit, signal judging circuit, executive circuit and electric equipment; Power circuit connects described temperature signal collection circuit, moisture signal Acquisition Circuit and electric equipment respectively, described temperature signal collection circuit, moisture signal Acquisition Circuit all connect described signal judging circuit, signal judging circuit connects described executive circuit, and executive circuit connects described electric equipment.
Electric equipment comprises electric refrigerator, heating electrical appliance, dehumidifying electrical equipment, humidification electrical equipment, air purifier, ventilating fan; Signal judging circuit comprises temperature decision circuitry and temperature decision circuitry, and executive circuit comprises temperature executive circuit and humidity executive circuit.Temperature signal collection circuit is connected the signal input part of temperature decision circuitry and humidity decision circuitry respectively with the signal output part of moisture signal Acquisition Circuit, the signal output part of temperature decision circuitry is connected with the electric refrigerator in electric equipment or heating electrical appliance by temperature executive circuit, and the signal output part of humidity decision circuitry is connected with the dehumidifying electrical equipment in electric equipment or humidification electrical equipment by humidity executive circuit.Power circuit is connected with ventilating fan and air purifier.
When people are in, manual as required automaton and air purifier, ventilating fan to be put into operation, control the utility model and carry out collecting temperature, moisture signal, pass to signal judging circuit to judge, as high in temperature, high humidity, circuit ON electric refrigerator equipment, dehumidifying electric equipment power supply, automatically lower the temperature, dehumidify.Cooling, dehumidifying reach requirement and automatically quit work.As low in temperature, humidity is little, circuit ON heating electrical appliance equipment, humidification electric equipment power supply, carry out automatic heating, humidification, automatically quits work when epidemic disaster reaches requirement.When people leave home, controller power source can be had a power failure.
As shown in Figure 2, power circuit comprises two-phase hand switch, the normally opened contact of the relay of described executive circuit, normally-closed contact, and rectification circuit.Two-phase hand switch has two to connect end, one end is power end or end of incoming cables, the other end is load side or leading-out terminal, two-phase hand switch has battery main switch SD1 and branch switch SD respectively, the power supply termination 220KV civil power of described battery main switch, the power end of branch switch described in the load termination of master switch, the leading-out terminal of described branch switch, connects the power circuit of described electric equipment respectively; Described multiple branch switch controls the electric equipment such as air purifier, ventilation fan respectively, and each road branch switch controls a kind of electric equipment, and battery main switch controls multiple branch switch.Branch switch has 4 tunnels in parallel with normally opened contact K, the normally-closed contact KB of the relay of executive circuit, 4 way switch control electric refrigerator, heating electrical appliance, dehumidifying electrical equipment, humidification electrical equipment respectively, the normally opened contact K of the relay of executive circuit controls heating electrical appliance, humidification appliances power source circuit, and the normally-closed contact KB of the relay of executive circuit controls electric refrigerator, dehumidifying appliances power source electricity.Multiple branch switch is had to control air purifier, ventilation fan etc. respectively; Battery main switch connects rectification circuit, and the output of rectification circuit connects temperature signal collection circuit and moisture signal Acquisition Circuit.
People is in and can distinguishes power turn-on master switch, branch switch as required, and to temperature signal collection circuit and moisture signal Acquisition Circuit and air purifier, ventilation fan (or exhaust fan) power transmission, control device carries out work, wants cut-off switch when people leave home.
As shown in Figure 3, temperature signal collection circuit, comprises four resistors, a potentiometer, an integrated circuit, a transistor, a diode, a relay; Described four resistors are respectively R1, R2, R3, R4, and described potentiometer has 3 terminals, is respectively 1,2,3, and described integrated circuit has 4 terminals, is respectively 1,2,3,4; Described transistor has 3 poles, is respectively B, C, E.
Integrated circuit 1 terminal connects described resistor R1, R3 one end respectively; Integrated circuit 2 terminal respectively contact resistance device R2 one end, transistor E connects power cathode ground connection extremely afterwards, the B pole of integrated circuit 3 terminal difference contact resistance device R4 one end, transistor, integrated circuit 4 terminal connects potentiometer 3 end, potentiometer 1 end connects the described resistance R1 other end, and potentiometer 2 end connects the described resistance R2 other end.The resistance R3 other end respectively contact resistance device R4 other end, relay coil connects positive source behind one end, and the relay coil other end connects the C pole of described triode, and diode is attempted by relay coil two ends.K, KB contact of the relay of temperature executive circuit is connected in the power circuit of electric refrigerator or heating electrical appliance respectively.
Temperature setting circuit carries out setting two group of first swept resistance RP1 value according to summer, winter, often adjust a first swept resistance RP1 value, obtain a partial pressure value, the corresponding partial pressure value of each temperature value, this partial pressure value represents a desired temperature after being added to 4 ends of IC1, temperature sensor in IC1 will detect that indoor temperature and design temperature compare, and then export control signal from 3 ends of IC1.
First class value use in winter, now the normally opened contact K of the relay of temperature executive circuit is connected in the power circuit of heating electrical appliance.First swept resistance RP1 value selects indoor controlled temperature lower than the low-temperature values of setting, and IC1 triggers and works, the first triode VT1 conducting, and the coil K1 that temperature performs relay obtains electric adhesive, starts firing equipment and heats up.In the high temperature values of controlled temperature higher than setting, IC1 does not work, and the first triode VT1 ends, and temperature performs the coil K1 coil losing electricity of relay, stops firing equipment work; Said process goes round and begins again, and indoor temperature is remained in setting range.
Second class value use in summer, the normally-closed contact of now temperature execution relay is connected in the power circuit of electric refrigerator.First swept resistance RP1 value selects indoor controlled temperature higher than the high temperature values of setting, and IC1 does not work, and the first triode VT1 ends, temperature performs the coil K1 dead electricity of relay, the normally-closed contact that temperature performs relay closes, and connects electric refrigerator work, lowers the temperature; When indoor temperature is reduced to lower than setting temperature value, the output of IC1 exports high level, the first triode VT1 conducting, and the coil K1 that temperature performs relay obtains electric, and the normally-closed contact that temperature performs relay disconnects, and stops electric refrigerator lowering the temperature.Said process goes round and begins again, and indoor temperature is remained in setting range.
Fig. 4 is that the utility model moisture signal gathers decision circuitry figure, and moisture signal Acquisition Circuit comprises 7 resistors, 2 potentiometers, 1 capacitor, a moisture sensor RS, a rectifier D, an IC 2, a transistor VT2, a diode VD2, a relay K 2.7 resistors are respectively R6, R7, R8, R9, R10, R11, R12, and potentiometer is respectively RP2, RP3, and each potentiometer has 3 terminals, is respectively 1,2,3, and rectifier has 4 terminals, is respectively 1,2,3,4; Integrated circuit has 5 terminals, is respectively 1,2,3,4,5; Transistor has 3 poles, is respectively B, C, E.
Rectifier 1 end connects described moisture sensor one end, 2 ends of rectifier 2 end difference contact resistance device R7 one end, potentiometer PR2, rectifier 3 end connects power cathode after connecting capacitor C1 one end, resistor R9 one end, transistor E pole, diode VD2 one end respectively and connects.Rectifier 4 end connects the capacitor C1 other end, resistor R8 one end respectively, the moisture sensor other end connects 3 ends of potentiometer PR2,1 end of potentiometer PR2 connects described resistor R6 one end, the resistor R6 other end connects AC power B1 end, the resistor R7 other end connects AC power B2 end, and the resistor R8 other end is the contact resistance device R9 other end, resistor R11 one end respectively.
1 connecting terminals termination resistor R10 one end of IC 2, the integrated circuit 2 connecting terminals termination resistor R11 other end, integrated circuit 3 terminal connects described resistor R12 one end, the resistor R12 other end connects the B pole of transistor VT2 respectively, one end of diode VD2, transistor C pole connects relay coil one end, the relay coil other end connects positive source after connecting 1 end of potentiometer PR3, the potentiometer PR3 other end 2, movable end 3 connects the rear termination resistor R10 other end, integrated circuit 4 terminal connects positive source, integrated circuit 5 terminal connects power cathode.K, KB contact that humidity performs relay is connected in the power circuit of dehumidifying electrical equipment or humidification electrical equipment respectively.
The value of humistor RS changes with the change of humidity, and the value of the large RS of ambient humidity is little, and the value of the little RS of humidity is large.Regulate the second swept resistance RP2 value can set humidity value size.Second swept resistance RP2 value setting connects dehumidifier work according to high humidity, dehumidifies; The little connection humidifier work of humidity, carries out humidification.Second swept resistance RP2 value setting two grades, one grade is humidity 30%-50%, and second gear is humidity 50%-70%.The season of high humidity connects second gear dehumidifier, connects one grade of humidifier the season that humidity is little.
Humidity less season, be normally connection one grade, when humidity is less, moisture sensor RS resistance is comparatively large, and IC exports high level lower than the reference voltage of normal phase input end because of the voltage of inverting input, second triode VT2 conducting, the normally opened contact of relay is connected humidifier and is carried out humidification.When humidity reaches regulation high level, moisture sensor RS resistance diminishes, IC because of the voltage of inverting input higher than the voltage of normal phase input end output low level, the second triode VT2 ends work, and relay deenergization, humidifier quits work.
Humidity larger season, normally connect second gear, when humidity reaches regulation high level, moisture sensor RS resistance diminishes, IC 2 because of the voltage of inverting input higher than the voltage of normal phase input end output low level, second triode VT2 ends work, relay deenergization, and the normally-closed contact of relay is connected dehumidifier power supply and dehumidified.When humidity exceedes regulation low value, moisture sensor RS resistance becomes large, IC 2 exports high level lower than the reference voltage of normal phase input end because of the voltage of inverting input, second triode VT2 conducting, the normally opened contact adhesive of relay, relay disconnects dehumidifier power supply, and dehumidifier quits work.
Finally should be noted that: above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit; Although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the field have been to be understood that: still can modify to detailed description of the invention of the present utility model or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solutions of the utility model, it all should be encompassed in the middle of the technical scheme scope of the utility model request protection.
Claims (4)
1. a family room environment self-checking device, is characterized in that: comprise power circuit, temperature signal collection circuit, moisture signal Acquisition Circuit, signal judging circuit, executive circuit and electric equipment; Described power circuit connects described temperature signal collection circuit, moisture signal Acquisition Circuit and electric equipment respectively, described temperature signal collection circuit, moisture signal Acquisition Circuit connect described signal judging circuit respectively, signal judging circuit connects described executive circuit, and executive circuit connects described electric equipment; Described electric equipment comprises electric refrigerator, heating electrical appliance, dehumidifying electrical equipment, humidification electrical equipment, air purifier, ventilating fan; Described signal judging circuit comprises temperature decision circuitry and humidity decision circuitry, and described executive circuit comprises temperature executive circuit and humidity executive circuit; Described temperature signal collection circuit is connected the signal input part of temperature decision circuitry and humidity decision circuitry respectively with the signal output part of moisture signal Acquisition Circuit, the signal output part of described temperature decision circuitry is connected with the electric refrigerator in electric equipment or heating electrical appliance by temperature executive circuit, and the signal output part of described humidity decision circuitry is connected with the dehumidifying electrical equipment in electric equipment or humidification electrical equipment by humidity executive circuit.
2. a kind of family room environment self-checking device according to claim 1, is characterized in that: described power circuit comprises two-phase hand switch, the normally opened contact of the relay of described executive circuit, normally-closed contact, and rectification circuit; Described two-phase hand switch has two to connect end, one end is power end, the other end is load side, described two-phase hand switch has battery main switch and branch switch respectively, the power supply termination 220KV civil power of described battery main switch, the power end of branch switch described in the load termination of master switch, the leading-out terminal of described branch switch connects the power circuit of described electric equipment respectively; Described branch switch has the normally opened contact of 4 way switch and the relay of described executive circuit, normally-closed contact in parallel, 4 way switch control electric refrigerator, heating electrical appliance, dehumidifying electrical equipment and humidification electrical equipment respectively, the normally opened contact of the relay of described executive circuit controls heating electrical appliance, humidification appliances power source circuit, the normally-closed contact control electric refrigerator of the relay of described executive circuit, dehumidifying appliances power source circuit; Branch switch is connected with air purifier and exhaust fan respectively; Battery main switch connects described rectification circuit, the temperature signal collection circuit described in output connection of rectification circuit and moisture signal Acquisition Circuit.
3. a kind of family room environment self-checking device according to claim 2, is characterized in that: described temperature signal collection circuit comprises four resistors, a potentiometer, an integrated circuit, a transistor, a diode, a relay; Described four resistors are respectively R1, R2, R3, R4, and described potentiometer has 3 terminals, is respectively 1,2,3, and described integrated circuit has 4 terminals, is respectively 1,2,3,4; Described transistor has 3 poles, is respectively B, C, E;
Described integrated circuit 1 terminal connects described resistor R1 respectively, R3 one end, 2 terminals connect described R2 one end respectively, described transistor E connects power cathode ground connection extremely afterwards, 3 terminals connect described resistor R4 one end respectively, the B pole of described transistor, integrated circuit 4 terminal connects described potentiometer 3 end, described potentiometer 1 end connects the described resistance R1 other end, described potentiometer 2 end connects the described resistance R2 other end, the described resistance R3 other end connects the described resistor R4 other end respectively, relay coil connects positive source behind one end, the described relay coil other end connects the C pole of described triode, described diode is attempted by described relay coil two ends.
4. a kind of family room environment self-checking device according to claim 3, it is characterized in that: moisture signal Acquisition Circuit comprises seven resistors, two potentiometers, a capacitor, a moisture sensor, a rectifier, an integrated circuit, a transistor, a diode, a relay; Described seven resistors are respectively R6, R7, R8, R9, R10, R11, R12, and described potentiometer has 3 terminals, is respectively 1,2,3, and described rectifier has 4 terminals, is respectively 1,2,3,4; Described integrated circuit has 5 terminals, is respectively 1,2,3,4,5; Described transistor has 3 poles, is respectively B, C, E;
Described rectifier 1 end connects described moisture sensor RS one end, described rectifier 2 end connects described resistor R7 one end respectively, 2 ends of potentiometer PR2, described rectifier 3 end connects described capacitor C1 one end respectively, described resistor R9 one end, transistor E pole, diode VD2 connects power cathode ground connection behind one end, described rectifier 4 end connects the described capacitor C1 other end respectively, described resistor R8 one end, the described moisture sensor RS other end connects 3 ends of described potentiometer PR2, 1 end of described potentiometer PR2 connects described resistor R6 one end, the described resistor R6 other end connects AC power B1 end, the described resistor R7 other end connects AC power B2 end, the described resistor R8 other end connects the described resistor R9 other end respectively, described resistor R11 one end,
Described integrated circuit 1 terminal connects described resistor R10 one end, described integrated circuit 2 terminal connects the described resistor R11 other end, described integrated circuit 3 terminal connects described resistor R12 one end, the described resistor R12 other end connects described transistor B pole respectively, diode one end, described transistor C pole connects described relay coil one end, the described relay coil other end connects positive source after connecting 1 end of described potentiometer PR3, the described potentiometer PR3 other end 2, movable end 3 connects the described resistor R10 other end after connecting, described integrated circuit 4 terminal connects positive source, described integrated circuit 5 terminal connects power cathode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420338917.8U CN204254819U (en) | 2014-06-24 | 2014-06-24 | Family room environment self-checking device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420338917.8U CN204254819U (en) | 2014-06-24 | 2014-06-24 | Family room environment self-checking device |
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| CN204254819U true CN204254819U (en) | 2015-04-08 |
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| CN201420338917.8U Expired - Fee Related CN204254819U (en) | 2014-06-24 | 2014-06-24 | Family room environment self-checking device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110104490A (en) * | 2019-04-16 | 2019-08-09 | 湖南荣泰新材料科技有限公司 | A kind of mica paper automatic constant tension winding cutting machine |
-
2014
- 2014-06-24 CN CN201420338917.8U patent/CN204254819U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110104490A (en) * | 2019-04-16 | 2019-08-09 | 湖南荣泰新材料科技有限公司 | A kind of mica paper automatic constant tension winding cutting machine |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150408 Termination date: 20160624 |