CN202547010U - Air conditioner overheat protection control device - Google Patents
Air conditioner overheat protection control device Download PDFInfo
- Publication number
- CN202547010U CN202547010U CN2012200827985U CN201220082798U CN202547010U CN 202547010 U CN202547010 U CN 202547010U CN 2012200827985 U CN2012200827985 U CN 2012200827985U CN 201220082798 U CN201220082798 U CN 201220082798U CN 202547010 U CN202547010 U CN 202547010U
- Authority
- CN
- China
- Prior art keywords
- air conditioner
- air
- conditioning
- temperature sensor
- control device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The utility model provides an air conditioner overheat protection control device. The air conditioner overheat protection control device comprises an indoor coil temperature detecting module and a single chip which is used for controlling an air conditioner when the air conditioner is overheated, wherein the indoor coil temperature detecting module comprises a connection terminal, an electrolytic capacitor with one grounded end, a gold film resistor with one grounded end, a diode, a current limiting resistor and a ceramic capacitor with one grounded end, the connection terminal is connected with a temperature sensor probe; one end of the temperature sensor probe is connected with a +5V power supply; the other end of the temperature sensor probe is connected with the gold film resistor in series; one pin of the connection terminal is connected with the +5V power supply; the other pin of the connection terminal is correspondingly connected with the electrolytic capacitor, the gold film resistor and the current limiting resistor one to one, respectively; the diode for embedding is connected between the gold film resistor and the current limiting resistor; and the current limiting resistor is also respectively connected with the ceramic capacitor and the single chip. According to the utility model, through the adoption of the technical scheme, the integral performance of the air conditioner can be effectively improved, the energy efficiency of the air conditioner can be enhanced, and customer complaints on the market can be reduced.
Description
Technical field
The utility model relates to the technical field of domestic air conditioner, refers in particular to a kind of air-conditioning overtemperature protection control device.
Background technology
Air-conditioner moves under heating mode, and the cold-producing medium of HTHP with the room air heating, is realized the effect that air-conditioning heats at indoor evaporative heat loss.Copper pipe (claiming indoor coil again) temperature is higher in heating process because in the evaporimeter causes overtemperature protection for air-conditioning; Indoor coil pipe uprises mainly and caused by following reason: 1, carefully (internal diameter is 0.5～2mm) to the air conditioner capillary pipe caliber; Cause dirty stifled easily; Form bias current, finally cause whole copper pipe temperature to uprise; 2, air-conditioning moved in peak times of power consumption, and voltage is low to cause the indoor fan rotating speed low excessively, and great amount of heat can't normally blow to indoor in the evaporimeter, causes the indoor coil pipe heating; 3, the copper pipe connection is long, and copper pipe inner refrigerant amount increases, and air-conditioning produces great amount of heat in the evaporimeter when heating operation, cause indoor coil pipe to uprise, and influences the normal use of air-conditioning.
The long-time overheated entering overtemperature protection of air-conditioning indoor coil pipe, the basic handling scheme is at present, and air-conditioning is closed all outputs, and is out of service, and indoor demonstration lamp plate shows failure code always; Recover normal system when indoor coil pipe and still can't start automatically, even remote controller starts shooting again and also can't start operation of air conditioner, must re-power start can move.The air-conditioning operation is convenient inadequately like this, and difficulty is met customer need.
Summary of the invention
The purpose of the utility model is to overcome the deficiency of prior art, and a kind of air-conditioning overtemperature protection control device that can effectively improve the air-conditioning overall performance, improve the air-conditioning efficiency is provided.
Be to realize above-mentioned purpose, the technical scheme that the utility model provided is: a kind of air-conditioning overtemperature protection control device, it include indoor coil pipe detection module and air-conditioning when overheated to its single-chip microcomputer of controlling; Wherein, described indoor coil pipe detection module includes splicing ear, the electrochemical capacitor of an end ground connection; The golden film resistance of one end ground connection; Diode, current-limiting resistance, the ceramic disc capacitor of an end ground connection; Wherein, Described splicing ear is connected with temperature sensor probe, and one termination of this temperature sensor probe+5V power supply, and its other end is connected with golden film resistance; A pin of this splicing ear connects+the 5V power supply simultaneously; Its another pin respectively with electrochemical capacitor, golden film resistance, current-limiting resistance is corresponding one by one joins, and between golden film resistance and current-limiting resistance, is connected with and is used for clamped diode, and above-mentioned current-limiting resistance is connected with single-chip microcomputer with ceramic disc capacitor respectively again.
The utility model during the air-conditioning overtemperature protection, can produce than air flow when air-conditioning restarts after having adopted such scheme, is used to wash the copper pipe inwall, thereby it is dirty stifled effectively to eliminate capillary; When air-conditioning causes air-conditioning heating capacity and indoor fan rotating speed not to match because of external factor; The temporary close compressor operating no longer shows failure code, treat indoor coil pipe recover normal after; The automatically starting start; Thereby effectively improve the air-conditioning overall performance, improve the air-conditioning efficiency, reduce market the rate of complaints.
Description of drawings
Fig. 1 is the schematic diagram of the utility model.
The specific embodiment
Below in conjunction with specific embodiment the utility model is described further.
Shown in accompanying drawing 1, the described air-conditioning overtemperature protection of present embodiment control device include indoor coil pipe detection module 1 and air-conditioning when overheated to its single-chip microcomputer of controlling 2, wherein; Described indoor coil pipe detection module 1 includes splicing ear CN1; The electrochemical capacitor E1 of one end ground connection, the golden film resistance R2 of an end ground connection, diode D1, D2; Current-limiting resistance R1, the ceramic disc capacitor C1 of an end ground connection; Wherein, The pin of said splicing ear CN1 connects+the 5V power supply; Its another pin respectively with electrochemical capacitor E1, golden film resistance R2, current-limiting resistance R1 is corresponding one by one joins, and between golden film resistance R2 and current-limiting resistance R1, is connected with and is used for clamped diode D1, D2, and above-mentioned current-limiting resistance R1 is connected with single-chip microcomputer with ceramic disc capacitor C1 respectively again; Simultaneously; The above-mentioned splicing ear CN1 of present embodiment is connected with temperature sensor probe, and one termination of this temperature sensor probe+5V power supply, and its other end is connected with golden film resistance R2; B point voltage in the accompanying drawing 1 is 5 * R2/ (R2+RX) like this, and RX changes with the detected temperature value of temperature sensor probe.During work, single-chip microcomputer is through detecting the partial pressure value collecting temperature of B point R2 and RX, and B point signal is delivered to single-chip microcomputer through the point of the A in the accompanying drawing 1 behind current-limiting resistance R1.Wherein, the temperature signal that above-mentioned B point collects, clamped through diode D1, D2, can eliminate the clutter that is higher than 5V or is lower than 0V; Electrochemical capacitor E1, ceramic disc capacitor C1 strobe, and its objective is in order to guarantee the stable of temperature acquisition signal.
Below for the air-conditioning control method for over-heating protection of above-mentioned air-conditioning overtemperature protection control device: at first will be placed between the condenser indoor coil with the temperature sensor probe that indoor coil pipe detection module 1 is connected; The indoor coil pipe that is used for detecting in real time is sent to single-chip microcomputer 2, is judged according to preset value by single-chip microcomputer 2 then; When single-chip microcomputer 2 judges that indoor coil pipe is too high; Overtemperature protection control scheme after start optimizing, to detect indoor coil pipe for a long time too high when temperature sensor probe, the temporary close operation of air conditioner; Do not show failure code; Behind the some minutes, air-conditioning can recover normal heating operation automatically, need not re-power.Wherein, Overtemperature protection control scheme after the above-mentioned optimization of present embodiment; Its concrete control method is following: detecting indoor coil pipe in continuous 30 seconds in the heating process is greater than or equal to 63 ℃, and compressor cuts out, and indoor fan is to set the wind operation; Compressor satisfies the room temperature unlocking condition after 6 minutes, and press starts once more; Be greater than or equal to 63 ℃ if occur detecting indoor coil pipe in continuous 30 seconds again, compressor cuts out, and indoor fan so reruns by the wind speed setting operation.After adopting said method, during the air-conditioning overtemperature protection,, air-conditioning can produce bigger air-flow when restarting, be used to wash the copper pipe inwall, thereby it is dirty stifled to eliminate capillary effectively, avoids whole copper pipe temperature drift; When if air-conditioning causes air-conditioning heating capacity and indoor fan rotating speed not to match because of external factor; Single-chip microcomputer 2 can the temporary close compressor operatings, and indoor demonstration lamp plate no longer shows failure code, treat indoor coil pipe recover normal after; Air-conditioning starts start automatically; Thereby improve the air-conditioning overall performance effectively, improve the air-conditioning efficiency, reduce market the rate of complaints.
The embodiment of the above is the preferred embodiment of the utility model only, is not the practical range that limits the utility model with this, so the variation that all shapes according to the utility model, principle are done all should be encompassed in the protection domain of the utility model.
Claims (1)
1. air-conditioning overtemperature protection control device is characterized in that: it include indoor coil pipe detection module (1) and air-conditioning when overheated to its single-chip microcomputer of controlling (2), wherein; Described indoor coil pipe detection module (1) includes splicing ear (CN1); The electrochemical capacitor of one end ground connection (E1), the golden film resistance (R2) of an end ground connection, diode (D1, D2); Current-limiting resistance (R1), the ceramic disc capacitor of an end ground connection (C1); Wherein, Described splicing ear (CN1) is connected with temperature sensor probe; And one termination of this temperature sensor probe+5V power supply; Its other end is connected with golden film resistance (R2), and a pin of this splicing ear (CN1) connects+the 5V power supply simultaneously, its another pin respectively with electrochemical capacitor (E1), golden film resistance (R2), current-limiting resistance (R1) is corresponding one by one joins; And between golden film resistance (R2) and current-limiting resistance (R1), be connected with and be used for clamped diode (D1, D2), and above-mentioned current-limiting resistance (R1) is connected with single-chip microcomputer (2) with ceramic disc capacitor (C1) respectively again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200827985U CN202547010U (en) | 2012-03-07 | 2012-03-07 | Air conditioner overheat protection control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200827985U CN202547010U (en) | 2012-03-07 | 2012-03-07 | Air conditioner overheat protection control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202547010U true CN202547010U (en) | 2012-11-21 |
Family
ID=47167631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200827985U Expired - Lifetime CN202547010U (en) | 2012-03-07 | 2012-03-07 | Air conditioner overheat protection control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202547010U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500139A (en) * | 2016-10-09 | 2017-03-15 | 奇联电器(合肥)有限公司 | A kind of gas kitchen range control method for over-heating protection and its protection control device |
| CN106839282A (en) * | 2017-01-05 | 2017-06-13 | 青岛海尔空调器有限总公司 | A kind of air-conditioner and its control method for over-heating protection and system |
| CN107946946A (en) * | 2017-12-29 | 2018-04-20 | 国网山东省电力公司高密市供电公司 | Split switch cabinet with overtemperature protection |
-
2012
- 2012-03-07 CN CN2012200827985U patent/CN202547010U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106500139A (en) * | 2016-10-09 | 2017-03-15 | 奇联电器(合肥)有限公司 | A kind of gas kitchen range control method for over-heating protection and its protection control device |
| CN106839282A (en) * | 2017-01-05 | 2017-06-13 | 青岛海尔空调器有限总公司 | A kind of air-conditioner and its control method for over-heating protection and system |
| CN106839282B (en) * | 2017-01-05 | 2019-10-01 | 青岛海尔空调器有限总公司 | A kind of air conditioner and its control method for over-heating protection and system |
| CN107946946A (en) * | 2017-12-29 | 2018-04-20 | 国网山东省电力公司高密市供电公司 | Split switch cabinet with overtemperature protection |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101832644B (en) | defrosting method of air energy water heater | |
| CN103557651B (en) | A kind of air-cooling heat pump air conditioner intelligent defrosting method | |
| CN101526257B (en) | Method for protecting compressor when air conditioner makes heat in high temperature environment | |
| CN100507386C (en) | Low-voltage working fixed speed air conditioner and control method thereof | |
| CN102705985B (en) | Heat pump water heater system and method for controlling wind speed thereof | |
| CN106931693B (en) | The defrosting control system and control method of air source heat pump or air-to-water heat pump | |
| CN105066363A (en) | Defrosting control method and device of air conditioner | |
| CN104154604B (en) | Outdoor unit control circuit of variable frequency air conditioner | |
| CN104567150A (en) | Heat pump water heater defrosting control method and heat pump water heater using method | |
| CN102538149B (en) | Overheat protection control device for air conditioner by means of overheat protection control method | |
| CN101440991B (en) | Control method of low voltage operating fixed speed air conditioner | |
| CN202547010U (en) | Air conditioner overheat protection control device | |
| CN104005944A (en) | Water pump anti-freezing control system and control method thereof | |
| CN201072272Y (en) | Heat pump defrosting control device of cooling and heating blower | |
| CN104896672A (en) | Air conditioner defrosting control method and air conditioner | |
| CN103307818B (en) | The control method of air-conditioning system and the anti-liquid hammer of air-conditioning system | |
| CN103557578A (en) | Protection method for lack of fluorine of air-cooled module type cold hot water unit | |
| CN100434837C (en) | Method of regulating and controlling heat pump hot water system using instantaneous COP value | |
| CN202419936U (en) | Gas water heater with antifreezing alarm function | |
| CN202158632U (en) | Air conditioner | |
| CN103542495A (en) | Heating protection method and device for air conditioner | |
| CN203949333U (en) | A kind of air-conditioning water heating device | |
| CN103884095B (en) | A kind of safety air-source water heater of Self-controlled | |
| CN102705986A (en) | Multifunctional air energy water heater | |
| CN101761999A (en) | Energy-saving automatic anti-freezing controlling method for household central air conditioner and air-conditioner adopting same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121121 |
|
| CX01 | Expiry of patent term |