CN109539470A - A kind of safety utilization of electric power guard method of central air-conditioning and temperature control device - Google Patents
A kind of safety utilization of electric power guard method of central air-conditioning and temperature control device Download PDFInfo
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- CN109539470A CN109539470A CN201811416544.0A CN201811416544A CN109539470A CN 109539470 A CN109539470 A CN 109539470A CN 201811416544 A CN201811416544 A CN 201811416544A CN 109539470 A CN109539470 A CN 109539470A
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- Prior art keywords
- fan coil
- voltage
- parameter
- power supply
- temperature control
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Classifications
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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
- 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
- F24F11/32—Responding to malfunctions or emergencies
-
- 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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
- F24F11/523—Indication arrangements, e.g. displays for displaying temperature data
-
- 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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
-
- 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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
-
- 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
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/50—Load
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
Safety utilization of electric power guard method and temperature control device the invention relates to a kind of central air-conditioning; the described method includes: the operating status of the fan coil under real-time monitoring central air-conditioning is in running order, the parameter of the operating status includes running current and/or operating voltage；Judge whether the working condition of the fan coil is normal according to the operating parameter；When determining that the fan coil is in abnormal operating state; cut off the power supply of the fan coil; safeguard protection is carried out to the normal operation of fan coil in real time; fan coil can effectively be broken off and over-current state occur; when fan coil breaks down and causes short circuit or electric arc; cutting power supply rapidly reduces the generation of fire incident to prevent that electrical fire occurs.
Description
Technical field
The invention relates to the safety utilization of electric power guard method of airconditioning control field more particularly to a kind of central air-conditioning and
Temperature control device.
Background technique
With deepening continuously for society and economic benefit, the continuous improvement of living condition, central air conditioner system in house, write
It is widely present in the various building constructions such as building, hotel, school, the terminal temperature control of central air-conditioning is that the temperature control in room is straight
Connect the comfort for affecting user.To the control effect of indoor environment temperature, the utilization efficiency of the cold and hot amount of system is reflected,
Namely to the utilization efficiency of energy.
The product of electronic type central air conditioner temperature controller on existing market, the acquisition using thermistor as room temperature
Sensor, single-chip microcontroller control the fan coil of central air-conditioning and moving for electrically operated valve by relay as main control chip
Make, realizes and freezed or heated according to the temperature adjustment fan coil wind speed operation of setting.Monolithic machine testing and transition heat
The temperature of quick resistance, and compared with temperature set by user, exported by relay the wind speed for controlling to adjust fan coil and
Hot and cold water electrically operated valve, to realize the adjusting of air-conditioner temperature.
However, existing central air conditioner temperature controller product function is single, it is merely capable of controlling temperature, and central hollow
The fan coil of tune is constantly in working condition, and therefore, existing temperature controller cannot be effectively to the fan coil of central air-conditioning
The safety utilization of electric power protection of electrical fire is carried out while control to it, the fan coil of central air-conditioning works long hours
There are certain security risks.
Apply for content
In order to solve the above-mentioned technical problem or it at least is partially solved above-mentioned technical problem, this application provides in one kind
Entreat safety utilization of electric power guard method and the temperature control device of air-conditioning.
In a first aspect, the application provides a kind of safety utilization of electric power guard method of central air-conditioning, comprising:
The corresponding parameter of the operating status of fan coil under real-time monitoring central air-conditioning is in running order, the ginseng
Number includes running current and/or operating voltage；
Judge whether the working condition of the fan coil is normal according to the parameter；
When determining that the fan coil is in abnormal operating state, the power supply of the fan coil is cut off.
In a possible embodiment, the method also includes:
The supply voltage of the fan coil occur over-voltage or it is under-voltage when, judge the specified work of the fan coil
Make voltage whether be more than setting voltage threshold；
When the operating voltage is more than the voltage threshold, temperature control device cuts off the power supply of the fan coil.
In a possible embodiment, the method also includes:
When the supply voltage of the fan coil restores normal, the fan unit is arranged in temperature control device automatic or manual
The work of pipe machine.
In a possible embodiment, the method also includes:
When determining that short trouble occurs in the fan coil according to the parameter, temperature control device cuts off rapidly the blower
The power supply of coiler.
In a possible embodiment, the method also includes:
When determining that over current fault occurs in the fan coil according to the parameter, temperature control device cuts off the fan coil
The power supply of machine.
In a possible embodiment, the method also includes:
Since over current fault solves after restoring the fan coil work, continue the operation shape to the fan coil
The parameter of state is monitored, and when the fan coil over current fault occurs again, temperature control device cuts off the fan coil
The power supply and locking of machine.
Second aspect, the application provide a kind of temperature control device of central air-conditioning safety utilization of electric power protection, comprising:
Real-time monitoring module, the operating status for fan coil of the real-time monitoring central air-conditioning under in running order
Corresponding parameter, the parameter include running current and/or operating voltage；
Whether judgment module, the working condition for judging the fan coil according to the parameter are normal；
Control module, for cutting off the fan unit when determining that the fan coil is in abnormal operating state
The power supply of pipe machine.
In a possible embodiment, the judgment module, specifically for the supply voltage in the fan coil
Occur over-voltage or it is under-voltage when, judge the fan coil rated operational voltage whether be more than setting voltage threshold；
When the operating voltage is more than the voltage threshold, the control module is specifically used for cutting off the fan unit
The power supply of pipe machine.
In a possible embodiment, when the supply voltage of the fan coil restores normal, the control mould
Block is also used to automatic or manual and the fan coil work is arranged.
In a possible embodiment, the judgment module, specifically for determining the fan unit according to the parameter
When there is short trouble in pipe machine, the control module, specifically for cutting off the power supply of the fan coil rapidly.
In a possible embodiment, the judgment module, specifically for determining the fan unit according to the parameter
When there is over current fault in pipe machine, the control module, specifically for cutting off the power supply of the fan coil.
In a possible embodiment, the judgment module is also used to solve due to over current fault to restore the blower
Coiler work after, continue to be monitored the parameter of the operating status of the fan coil, when the fan coil again
Secondary when there is over current fault, the control module is also used to cut off the power supply of the fan coil and locking.
In a possible embodiment, the control module is also used to control to adjust fan unit according to the temperature of setting
The wind speed and hot and cold water electrically operated valve of pipe machine, to realize the adjusting of air-conditioner temperature.
Above-mentioned technical proposal provided by the embodiments of the present application has the advantages that compared with prior art
This method provided by the embodiments of the present application passes through fan coil of the real-time detection central air-conditioning under in running order
The operating parameter of machine；Judge whether the working condition of the fan coil is normal according to the operating parameter；Described in determination
When fan coil is in abnormal operating state, the power supply of the fan coil is cut off, just to fan coil in real time
Often operation is protected, and can effectively break off fan coil and over-current state occurs, is caused in fan coil failure short
When road or electric arc, power supply is cut off rapidly, to prevent that electrical fire occurs, reduces the generation of fire incident.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, without any creative labor, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of flow diagram of the safety utilization of electric power guard method of central air-conditioning provided by the embodiments of the present application；
Fig. 2 is a kind of structural representation of the temperature control device of central air-conditioning safety utilization of electric power protection provided by the embodiments of the present application
Figure；
Fig. 3 is that a kind of hardware configuration of the temperature control device of central air-conditioning safety utilization of electric power protection provided by the embodiments of the present application shows
It is intended to.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the application, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall in the protection scope of this application.
Fig. 1 is a kind of flow diagram of the safety utilization of electric power guard method of central air-conditioning provided by the embodiments of the present application, such as
Shown in Fig. 1, this method is specifically included:
The corresponding parameter of operating status of fan coil under S101, real-time monitoring central air-conditioning are in running order.
In the present embodiment, the operation shape of the fan coil by sensor acquisition central air-conditioning under in running order
The corresponding parameter of state, wherein the parameter includes running current and/or operating voltage.
For example, obtaining the operating current of fan coil by the sensor element that alternating current detects；Pass through power grid electricity
The sensor element of pressure detection obtains the supply voltage and operating voltage of fan coil.
S102, judge whether the working condition of the fan coil is normal according to the parameter.
S103, when determining that the fan coil is in abnormal operating state, cut off the confession of the fan coil
Electricity.
The operating parameter (running current signal and/or operating voltage signal) for the fan coil that sensor obtains is carried out
The processing such as filtering, analog-to-digital conversion, then digital signal is sent to the unit with processing function, such as microcontroller by treated
MCU.The rated operational current and rated operational voltage of fan coil, the number that MCU will be received are previously stored in MCU
Signal is compared judgement with the rated operational current of storage and rated operational voltage.
In an optinal plan of the present embodiment, the supply voltage of fan coil can also be obtained by sensor, is used
To judge that over-voltage or under-voltage situation occurs in the supply voltage of fan coil.
MCU judges that fan coil judges whether the working condition of the fan coil is normal according to comparison result, tool
Body includes following several situations:
One, the fan coil supply voltage occur over-voltage or it is under-voltage when, judge the fan coil
Operating voltage whether be more than setting voltage threshold；When the operating voltage is more than the voltage threshold, temperature control device cutting
The power supply of the fan coil.
In an optinal plan of the present embodiment, when the supply voltage of the fan coil restores normal, temperature control dress
It sets automatic or manual and the fan coil work is set.
For example, by temperature control device be arranged in the fan coil supply voltage restore it is normal when, be more than after 30S oneself
It is dynamic to restore the fan coil work；Alternatively, user can the work of fan coil described in manual setting.
Secondly, when determining that short trouble occurs in the fan coil according to the operating parameter, temperature control device is cut rapidly
Break the power supply of the fan coil.
When fan coil occur and short trouble occur, temperature control device cannot restore fan coil work automatically, only
Can be after short trouble be repaired, manual setting temperature control device restores fan coil work.
Thirdly, when determining that over current fault occurs in the fan coil according to the operating parameter, temperature control device cuts off institute
State the power supply of fan coil.
In an optinal plan of the present embodiment, temperature control device automatic or manual setting after a certain period of time can be set
The fan coil work.
Since over current fault solves after restoring the fan coil work, continue the operation shape to the fan coil
The parameter of state is monitored, and when the fan coil over current fault occurs again, temperature control device cuts off the fan coil
The power supply and locking of machine.
The purpose of locking is to prevent from not being resolved due to over current fault, and temperature control device is frequently in cutting fan coil
Between the power supply and recovery fan coil work of machine.
This method provided by the embodiments of the present application passes through fan coil of the acquisition central air-conditioning under in running order
Operating parameter；Judge whether the working condition of the fan coil is normal according to the operating parameter；When determining the blower
When coiler is in abnormal operating state, the power supply of the fan coil is cut off, in real time to the normal fortune of fan coil
Row carries out safety utilization of electric power protection, can effectively break off fan coil and over-current state occurs, draws in fan coil failure
When hair short circuit or electric arc, power supply is cut off rapidly, to prevent that electrical fire occurs, reduces the generation of fire incident.
Fig. 2 is a kind of structural representation of the temperature control device of central air-conditioning safety utilization of electric power protection provided by the embodiments of the present application
Figure, as shown in Fig. 2, the device specifically includes:
Real-time monitoring module 201, the operation for fan coil of the real-time monitoring central air-conditioning under in running order
The parameter of state, the parameter include running current and/or operating voltage；
Whether judgment module 202, the working condition for judging the fan coil according to the parameter are normal；
Control module 203, for cutting off the blower when determining that the fan coil is in abnormal operating state
The power supply of coiler, while the wind speed and hot and cold water electrically operated valve of fan coil are controlled to adjust, to realize air-conditioner temperature
It adjusts.
Optionally, the judgment module 202, specifically for over-voltage occur in the supply voltage of the fan coil or owing
When pressure, judge the fan coil rated operational voltage whether be more than setting voltage threshold；
When the operating voltage is more than the voltage threshold, the control module 203 is specifically used for cutting off the blower
The power supply of coiler.
Optionally, when the supply voltage of the fan coil restores normal, the control module 203 is also used to certainly
The work of fan coil described in dynamic or manual setting.
Optionally, the judgment module 202, specifically for determining that short circuit occurs in the fan coil according to the parameter
When failure, the control module 203, specifically for cutting off the power supply of the fan coil.
Optionally, the judgment module 202, specifically for determining that overcurrent occurs in the fan coil according to the parameter
When failure, the control module 203, specifically for cutting off the power supply of the fan coil.
Optionally, the judgment module 202 is also used to solve to restore the fan coil work due to over current fault
Afterwards, continue to be monitored the parameter of the operating status of the fan coil, when overcurrent occurs again in the fan coil
When failure, the control module 203 is also used to cut off the power supply of the fan coil and locking.
Optionally, the control module 203 has according to the temperature of setting and controls to adjust the wind speed of fan coil and cold
Hot water electrical valve, to realize the adjusting of air-conditioner temperature.
The temperature control device of central air-conditioning safety utilization of electric power protection provided in this embodiment can be central hollow as shown in Figure 2
The temperature control device of safety utilization of electric power protection is adjusted, all steps of the safety utilization of electric power guard method of central air-conditioning as shown in figure 1 can be performed, into
And realize the technical effect of the safety utilization of electric power guard method of central air-conditioning shown in Fig. 1, Fig. 1 associated description is please referred to, specifically for letter
Clean description, therefore not to repeat here.
Fig. 3 is that a kind of hardware configuration of the temperature control device of central air-conditioning safety utilization of electric power protection provided by the embodiments of the present application shows
It is intended to, as shown in figure 3, the device specifically includes:
Sensor 301, operating status for fan coil of the real-time monitoring central air-conditioning under in running order
Parameter, the parameter include running current and/or operating voltage.
Whether processor 302, the working condition for judging the fan coil according to the parameter are normal.
Relay control unit 303, for cutting off institute when determining that the fan coil is in abnormal operating state
The power supply of fan coil is stated, while in normal state, has the wind for controlling to adjust fan coil according to the temperature of setting
Speed and hot and cold water electrically operated valve, to realize the adjusting of air-conditioner temperature.
Optionally, the sensor 301 includes: current transformer 3011, voltage transformer 3012 and temperature sensor
3013；
Wherein, current transformer 3011, for obtaining the operating current of fan coil, voltage transformer 3012 is used for
The supply voltage and operating voltage and the temperature sensor 3013 of acquisition fan coil, for obtaining indoor temperature
Degree.
Optionally, the temperature control device further include: display 304, for showing the work of indoor temperature, fan coil
Make electric current, the supply voltage of machine coiler and operating voltage.
Optionally, the temperature control device further include: input unit 305, for inputting the control command to temperature control device.
Wherein, input unit 305 can be key, touch screen etc..
Optionally, the temperature control device further include: power supply 306, for powering for the temperature control device.
The temperature control device of central air-conditioning safety utilization of electric power protection provided in this embodiment can be central hollow as shown in Figure 3
The temperature control device of safety utilization of electric power protection is adjusted, all steps of the safety utilization of electric power guard method of central air-conditioning as shown in figure 1 can be performed, into
And realize the technical effect of the safety utilization of electric power guard method of central air-conditioning shown in Fig. 1, Fig. 1 associated description is please referred to, specifically for letter
Clean description, therefore not to repeat here.
It should be noted that, in this document, the relational terms of such as " first " and " second " or the like are used merely to one
A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to
Cover non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or setting
Standby intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element.
The above is only a specific embodiment of the invention, is made skilled artisans appreciate that or realizing this hair
It is bright.Various modifications to these embodiments will be apparent to one skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and applied principle and features of novelty phase one herein
The widest scope of cause.
Claims (12)
1. a kind of safety utilization of electric power guard method of central air-conditioning characterized by comprising
The corresponding parameter of the operating status of fan coil under real-time monitoring central air-conditioning is in running order, the parameter packet
Include running current and/or operating voltage；
Judge whether the working condition of the fan coil is normal according to the parameter；
When determining that the fan coil is in abnormal operating state, the power supply of the fan coil is cut off.
2. the method according to claim 1, wherein the method also includes:
The supply voltage of the fan coil occur over-voltage or it is under-voltage when, judge the fan coil nominal operation electricity
Whether pressure is more than the voltage threshold set；
When the operating voltage is more than the voltage threshold, temperature control device cuts off the power supply of the fan coil.
3. according to the method described in claim 2, it is characterized in that, the method also includes:
When the supply voltage of the fan coil restores normal, the fan coil is arranged in temperature control device automatic or manual
Work.
4. the method according to claim 1, wherein the method also includes:
When determining that short trouble occurs in the fan coil according to the parameter, temperature control device cuts off the fan coil
Power supply.
5. the method according to claim 1, wherein the method also includes:
When determining that over current fault occurs in the fan coil according to the parameter, temperature control device cuts off the fan coil
Power supply.
6. according to the method described in claim 3, it is characterized in that, the method also includes:
Since over current fault solves after restoring the fan coil work, continue to the operating status of the fan coil
Parameter is monitored, and when the fan coil over current fault occurs again, temperature control device cuts off the fan coil
It powers and locks.
7. temperature control device is protected in a kind of safety utilization of electric power of central air-conditioning characterized by comprising
Real-time monitoring module, the operating status for fan coil of the real-time monitoring central air-conditioning under in running order are corresponding
Parameter, the parameter includes running current and/or operating voltage；
Whether judgment module, the working condition for judging the fan coil according to the parameter are normal；
Control module, for cutting off the fan coil when determining that the fan coil is in abnormal operating state
Power supply.
8. device according to claim 7, which is characterized in that the judgment module is specifically used in the fan coil
The supply voltage of machine occur over-voltage or it is under-voltage when, judge the fan coil rated operational voltage whether be more than setting electricity
Press threshold value；
When the operating voltage is more than the voltage threshold, the control module is specifically used for cutting off the fan coil
Power supply.
9. device according to claim 8, which is characterized in that restore normal in the supply voltage of the fan coil
When, the control module is also used to automatic or manual and the fan coil work is arranged.
10. device according to claim 7, which is characterized in that the judgment module is specifically used for true according to the parameter
When there is short trouble in the fixed fan coil, the control module, specifically for cutting off the power supply of the fan coil.
11. device according to claim 7, which is characterized in that the judgment module is specifically used for true according to the parameter
When there is over current fault in the fixed fan coil, the control module, specifically for cutting off the power supply of the fan coil.
12. device according to claim 11, which is characterized in that the judgment module is also used to due to over current fault solution
After certainly restoring the fan coil work, continues to be monitored the parameter of the operating status of the fan coil, work as institute
When stating fan coil and occurring over current fault again, the control module is also used to cut off the power supply of the fan coil simultaneously
Locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811416544.0A CN109539470A (en) | 2018-11-26 | 2018-11-26 | A kind of safety utilization of electric power guard method of central air-conditioning and temperature control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811416544.0A CN109539470A (en) | 2018-11-26 | 2018-11-26 | A kind of safety utilization of electric power guard method of central air-conditioning and temperature control device |
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| Publication Number | Publication Date |
|---|---|
| CN109539470A true CN109539470A (en) | 2019-03-29 |
Family
ID=65849632
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811416544.0A Pending CN109539470A (en) | 2018-11-26 | 2018-11-26 | A kind of safety utilization of electric power guard method of central air-conditioning and temperature control device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008074278A (en) * | 2006-09-22 | 2008-04-03 | Keihin Corp | Vehicular air conditioner |
| CN201707576U (en) * | 2009-09-11 | 2011-01-12 | 中山市爱美泰电器有限公司 | Intelligent control system of industrial temperature control equipment |
| CN202560607U (en) * | 2012-04-24 | 2012-11-28 | 厦门立林高压电气有限公司 | Air blower controller |
| CN104113047A (en) * | 2013-04-22 | 2014-10-22 | 上海市电力公司 | Electricity utilization protection method and electricity utilization protection device based on comprehensive integration of public transformers |
| CN203984057U (en) * | 2014-08-08 | 2014-12-03 | 郑光春 | A kind of security protection back-up source |
-
2018
- 2018-11-26 CN CN201811416544.0A patent/CN109539470A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008074278A (en) * | 2006-09-22 | 2008-04-03 | Keihin Corp | Vehicular air conditioner |
| CN201707576U (en) * | 2009-09-11 | 2011-01-12 | 中山市爱美泰电器有限公司 | Intelligent control system of industrial temperature control equipment |
| CN202560607U (en) * | 2012-04-24 | 2012-11-28 | 厦门立林高压电气有限公司 | Air blower controller |
| CN104113047A (en) * | 2013-04-22 | 2014-10-22 | 上海市电力公司 | Electricity utilization protection method and electricity utilization protection device based on comprehensive integration of public transformers |
| CN203984057U (en) * | 2014-08-08 | 2014-12-03 | 郑光春 | A kind of security protection back-up source |
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