CN110567209A - control device and method for detecting blockage of condenser and refrigeration equipment - Google Patents
control device and method for detecting blockage of condenser and refrigeration equipment Download PDFInfo
- Publication number
- CN110567209A CN110567209A CN201910844696.9A CN201910844696A CN110567209A CN 110567209 A CN110567209 A CN 110567209A CN 201910844696 A CN201910844696 A CN 201910844696A CN 110567209 A CN110567209 A CN 110567209A
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- condenser
- compressor
- refrigeration equipment
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2500/00—Problems to be solved
- F25B2500/04—Clogging
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
the invention belongs to the technical field of condensers, and particularly relates to a control device and a method for detecting blockage of a condenser and refrigeration equipment. According to the control method for detecting the blockage of the condenser, the working parameters of the refrigeration equipment operating for a certain time are obtained; comparing the obtained working parameters of the refrigeration equipment with preset working parameters to judge whether the condenser is blocked; when the condenser blocks up, control refrigeration plant and carry out corresponding instruction, realize the intellectual detection system whether the condenser blocks up, effectively avoid the efficiency that the condenser blocks up and leads to reduce the problem for refrigeration plant such as air conditioner plays energy-conserving effect.
Description
Technical Field
The invention belongs to the technical field of condensers, and particularly relates to a control device and a method for detecting blockage of a condenser and refrigeration equipment.
background
The condenser as the part of refrigerating system belongs to one kind of heat exchanger, and can convert gas or vapor into liquid to transfer the heat in the pipe to the air near the pipe in a fast mode. The condenser comprises the collecting main that is located both sides, the porous flat pipe of connection between two collecting main, the radiating fin who is located between the porous flat pipe, because collecting main, porous flat intraductal being equipped with are used for circulating gaseous or liquid's pipeline, and these unobstructed just can guarantee the normal work of condenser.
However, in the actual use process, the phenomena of poor refrigeration effect, low energy efficiency, power consumption and the like often occur, and the phenomena are often caused by the blockage of a condenser, for example, when a household split air conditioner outdoor unit is generally outdoors, when the environment is severe, fins of the condenser working for a long time are easy to be blocked by sundries, so that the ventilation of the condenser is not smooth, the heat dissipation effect is weakened, and the refrigeration capacity is reduced; machine tool coolers are generally used indoors, and when the machine tool coolers are used in a factory with a severe environment, fins of a condenser working for a long time are easily blocked by sundries, so that the ventilation of the condenser is not smooth, the heat dissipation effect is weakened, and therefore high-pressure alarm of a system is caused, and the system is stopped.
At present, whether the condenser is blocked is serious, whether the condenser is blocked can be observed manually from the outer surface, however, the mode is easy to cause judgment errors, the intelligent degree is low, and people can not clear the condenser in time.
Disclosure of Invention
In order to solve the problems that the blockage of the condenser cannot be automatically identified, the manual judgment is easy to make mistakes, the intelligent degree is low, and people cannot clean the blockage in time and the like, the invention provides a control device and a method for detecting the blockage of the condenser and refrigeration equipment.
in order to achieve the purpose, the technical scheme adopted by the invention is as follows: a control method for detecting the blockage of a condenser,
Obtaining working parameters of the refrigeration equipment operating for a certain time;
Comparing the obtained working parameters of the refrigeration equipment with preset working parameters to judge whether the condenser is blocked;
and when the condenser is blocked, controlling the refrigeration equipment to execute corresponding instructions.
Further, before obtaining the working parameters of the refrigeration equipment operating for a certain time, the compressor is started at a constant frequency, and whether the refrigeration capacity is reduced beyond a preset range is detected.
Further, when the refrigerating capacity is reduced to exceed the preset range, the ambient temperature of the condenser, the indoor temperature and the rotating speed of the fan are detected, and the refrigerating capacity, the constant indoor temperature and the constant rotating speed of the fan are controlled.
Further, the operating parameters include one or more of compressor operating frequency, compressor current, and compressor discharge temperature.
Further, judging whether the condenser is blocked comprises comparing the obtained working frequency of the compressor with the current of the compressor, and judging whether the working frequency of the compressor is greater than a preset frequency value and whether the current of the compressor is greater than a preset current value.
Further, judging whether the condenser is blocked comprises comparing the obtained exhaust temperature of the compressor with the current of the compressor, and judging whether the exhaust temperature of the compressor is greater than a preset exhaust temperature value or not, and whether the current of the compressor is greater than a preset current value or not.
Further, judging whether the condenser is blocked comprises comparing the obtained working frequency of the compressor and judging whether the working frequency of the compressor is greater than a preset frequency value.
further, the control command includes one or more of stopping the operation state, starting the automatic cleaning mode, and giving an alarm message.
A control device for detecting condenser blockage comprises an acquisition module, a comparison module and a control module
The acquisition module is used for acquiring working parameters of the refrigeration equipment operating for a certain time;
the comparison module is used for comparing the acquired working parameters of the refrigeration equipment with preset working parameters to judge whether the condenser is blocked;
And the control module is used for controlling the refrigeration equipment to execute corresponding instructions according to the comparison result.
Further, the system also comprises a detection module used for detecting the ambient temperature of the condenser, the indoor temperature and the rotating speed of the fan.
furthermore, the system also comprises an alarm module which is used for sending out alarm information.
Further, the device also comprises a cleaning module used for automatically cleaning the condenser.
A refrigeration device comprises the control device for detecting blockage of the condenser.
The invention provides a control method for detecting blockage of a condenser, which comprises the steps of obtaining working parameters of refrigeration equipment operating for a certain time; comparing the obtained working parameters of the refrigeration equipment with preset working parameters to judge whether the condenser is blocked; when the condenser blocks up, control refrigeration plant and carry out corresponding instruction, realize the intellectual detection system whether the condenser blocks up, effectively avoid the efficiency that the condenser blocks up and leads to reduce the problem for refrigeration plant such as air conditioner plays energy-conserving effect.
Drawings
FIG. 1 is a schematic diagram of a control device for detecting condenser clogging;
Fig. 2 is a flowchart of a control method for detecting clogging of a condenser.
Detailed Description
The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
The refrigeration equipment comprises an air conditioner and a machine tool cooler, and the air conditioner is taken as an example in the embodiment.
As shown in fig. 1, the control device for detecting the blockage of the condenser of the air conditioner comprises an acquisition module 2, a comparison module 3, an alarm module 4, a cleaning module 5 and a control module 6, wherein the acquisition module 2, the comparison module 3, the alarm module 4 and the cleaning module 5 are in electric signal connection with the control module 6;
The obtaining module 2 is used for obtaining working parameters of the refrigeration equipment during a certain time of operation, namely the air conditioner starts the compressor at a constant frequency, and obtains the actual working frequency of the compressor, the current of the compressor and the exhaust temperature of the compressor during a certain time of operation of the air conditioner under the conditions of constant refrigeration capacity, indoor temperature and fan rotating speed.
The comparison module 3 is used for comparing the obtained working parameters of the refrigeration equipment with preset working parameters to judge whether the condenser is blocked, namely comparing the obtained actual operation frequency and preset frequency value of the compressor with the current and preset current value of the compressor, and when the actual operation frequency of the compressor is greater than the preset frequency value and the current of the compressor is greater than the preset current value, the condenser is blocked;
Or comparing the obtained compressor exhaust temperature with a preset exhaust temperature value and the current and a preset current value of the compressor, and when the exhaust temperature of the compressor is greater than the preset exhaust temperature value and the current of the compressor is greater than the preset current value, blocking the condenser;
Or comparing the obtained actual operation frequency of the compressor with a preset frequency value, and blocking the condenser when the actual operation frequency of the compressor is greater than the preset frequency value.
the control module 6 is used for controlling the refrigeration equipment to execute corresponding instructions according to the comparison result, namely when the condenser is blocked, controlling the air conditioner to stop running, starting the automatic condenser cleaning module 5, and cleaning the blocked condenser to ensure that the condenser achieves normal heat dissipation efficiency; when the automatic cleaning device is not available or the condenser is damaged, the alarm module 4 is started to send out alarm information to prompt personnel to clean the condenser manually.
The detection device for the blockage of the condenser further comprises a detection module 1, wherein the detection module 1 is used for detecting the ambient temperature, the indoor temperature and the rotating speed of the fan of the condenser, namely, when the air conditioner runs, the air conditioner detects whether the current energy efficiency is reduced or not in real time, if the refrigerating capacity of the air conditioner is reduced, the ambient temperature, the indoor temperature and the rotating speed of the fan of the condenser are detected, the refrigerating equipment of the embodiment is an air conditioner, and therefore the indoor temperature is the temperature of an evaporator; the refrigerating capacity, the constant indoor temperature and the constant rotating speed of the fan are controlled according to the detection result, so that the error of the actual working parameters of the air conditioner operation acquired by the acquisition module is reduced, the detection precision of the condenser blockage is improved, and the misjudgment is prevented.
as shown in fig. 2, a control method for detecting clogging of a condenser,
S1: obtaining working parameters of the refrigeration equipment operating for a certain time;
the operating parameters include one or more of compressor operating frequency, compressor current, compressor discharge temperature;
Before obtaining working parameters of the refrigeration equipment operating for a certain time, starting a compressor at a constant frequency, and detecting whether the refrigerating capacity is reduced beyond a preset range; when the refrigerating capacity is reduced to exceed the preset range, the ambient temperature, the indoor temperature and the rotating speed of the fan of the condenser are detected, and the refrigerating capacity, the constant indoor temperature and the rotating speed of the fan are controlled, so that the error of the obtained actual operating parameter of the air conditioner operation is reduced, the detection precision of the blockage of the condenser is improved, and the misjudgment is prevented;
s2: comparing the obtained working parameters of the refrigeration equipment with preset working parameters to judge whether the condenser is blocked;
Comparing the obtained actual operation frequency and the preset frequency value of the compressor with the current and the preset current value of the compressor, and blocking the condenser when the actual operation frequency of the compressor is greater than the preset frequency value and the current of the compressor is greater than the preset current value;
Or comparing the obtained compressor exhaust temperature with a preset exhaust temperature value and the current and a preset current value of the compressor, and when the exhaust temperature of the compressor is greater than the preset exhaust temperature value and the current of the compressor is greater than the preset current value, blocking the condenser;
Or comparing the obtained actual operation frequency of the compressor with a preset frequency value, and blocking the condenser when the actual operation frequency of the compressor is greater than the preset frequency value;
S3: when the condenser is blocked, controlling the refrigeration equipment to execute a corresponding instruction;
when the condenser is blocked, the air conditioner is controlled to stop running, the automatic condenser cleaning module is started, and the blocked condenser is cleaned, so that the condenser achieves normal heat dissipation efficiency; when the automatic cleaning device is not available or the condenser is damaged, the alarm module is started to send out alarm information to prompt personnel to clean the condenser manually.
The working parameters of the refrigeration equipment operating for a certain time are obtained; comparing the obtained working parameters of the refrigeration equipment with preset working parameters to judge whether the condenser is blocked; when the condenser is blocked, the refrigeration equipment is controlled to execute corresponding instructions, so that whether the condenser is blocked or not is intelligently detected, the problem of energy efficiency reduction caused by blockage of the condenser is effectively avoided, and the refrigeration equipment such as an air conditioner and the like plays a role in energy conservation;
The above description is only a preferred embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing on the protection scope of the present invention.
Claims (13)
1. A control method for detecting blockage of a condenser is characterized in that:
obtaining working parameters of the refrigeration equipment operating for a certain time;
Comparing the obtained working parameters of the refrigeration equipment with preset working parameters to judge whether the condenser is blocked;
and when the condenser is blocked, controlling the refrigeration equipment to execute corresponding instructions.
2. The control method for detecting clogging of a condenser according to claim 1, wherein: before obtaining the working parameters of the refrigeration equipment operating for a certain time, starting the compressor at a constant frequency, and detecting whether the refrigerating capacity is reduced beyond a preset range.
3. the control method for detecting clogging of a condenser according to claim 2, wherein: and when the refrigerating capacity is reduced to exceed the preset range, detecting the ambient temperature of the condenser, the indoor temperature and the rotating speed of the fan, and controlling the refrigerating capacity, the constant indoor temperature and the constant rotating speed of the fan.
4. the control method for detecting clogging of a condenser according to claim 1, wherein: the operating parameters include one or more of an operating frequency of the compressor, a current of the compressor, and a discharge temperature of the compressor.
5. The control method for detecting clogging of a condenser according to claim 4, wherein: judging whether the condenser is blocked comprises the steps of comparing the obtained working frequency of the compressor with the current of the compressor, and judging whether the working frequency of the compressor is larger than a preset frequency value and whether the current of the compressor is larger than a preset current value.
6. the control method for detecting clogging of a condenser according to claim 4, wherein: judging whether the condenser is blocked comprises the steps of comparing the obtained exhaust temperature of the compressor with the current of the compressor, judging whether the exhaust temperature of the compressor is larger than a preset exhaust temperature value or not, and judging whether the current of the compressor is larger than a preset current value or not.
7. The control method for detecting clogging of a condenser according to claim 4, wherein: judging whether the condenser is blocked comprises comparing the obtained working frequency of the compressor and judging whether the working frequency of the compressor is greater than a preset frequency value.
8. The control method for detecting clogging of a condenser according to claim 1, wherein: the control instruction comprises one or more of stopping working state, starting automatic cleaning mode and giving out alarm information.
9. A control device for detecting blockage of a condenser is characterized in that: comprises an acquisition module, a comparison module and a control module, wherein the acquisition module, the comparison module and the control module are arranged in the shell
The acquisition module is used for acquiring working parameters of the refrigeration equipment operating for a certain time;
The comparison module is used for comparing the acquired working parameters of the refrigeration equipment with preset working parameters to judge whether the condenser is blocked;
and the control module is used for controlling the refrigeration equipment to execute corresponding instructions according to the comparison result.
10. the control device for detecting clogging of a condenser according to claim 9, wherein: the system also comprises a detection module for the ambient temperature of the condenser, the indoor temperature and the rotating speed of the fan.
11. the control device for detecting clogging of a condenser according to claim 9, wherein: the device also comprises an alarm module used for sending out alarm information.
12. The control device for detecting clogging of a condenser according to claim 9, wherein: the condenser cleaning device further comprises a cleaning module used for automatically cleaning the condenser.
13. A refrigeration apparatus, characterized by: comprising a control device for detecting clogging of a condenser according to any one of claims 9 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910844696.9A CN110567209A (en) | 2019-09-07 | 2019-09-07 | control device and method for detecting blockage of condenser and refrigeration equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910844696.9A CN110567209A (en) | 2019-09-07 | 2019-09-07 | control device and method for detecting blockage of condenser and refrigeration equipment |
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| Publication Number | Publication Date |
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| CN110567209A true CN110567209A (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910844696.9A Pending CN110567209A (en) | 2019-09-07 | 2019-09-07 | control device and method for detecting blockage of condenser and refrigeration equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112944582A (en) * | 2021-03-01 | 2021-06-11 | 青岛海尔（胶州）空调器有限公司 | Method and device for prompting self-cleaning of air conditioner and air conditioner |
| CN115164347A (en) * | 2022-07-18 | 2022-10-11 | 珠海格力电器股份有限公司 | Self-cleaning control method and device for air conditioner outdoor unit, air conditioner and storage medium |
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| CN1505746A (en) * | 2001-03-06 | 2004-06-16 | Cleaning system for refrigerator condenser | |
| CN101266063A (en) * | 2007-03-17 | 2008-09-17 | 三星电子株式会社 | Outdoor machine of air conditioner |
| CN107208953A (en) * | 2015-02-27 | 2017-09-26 | 三菱电机株式会社 | Refrigerating plant |
| CN109253526A (en) * | 2018-09-21 | 2019-01-22 | 珠海格力电器股份有限公司 | The starting method and device of air-conditioning self-cleaning function, automatically cleaning air-conditioning |
| CN110094853A (en) * | 2019-06-03 | 2019-08-06 | 珠海格力电器股份有限公司 | A kind of unit dedusting control method, device and unit |
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2019
- 2019-09-07 CN CN201910844696.9A patent/CN110567209A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1505746A (en) * | 2001-03-06 | 2004-06-16 | Cleaning system for refrigerator condenser | |
| CN101266063A (en) * | 2007-03-17 | 2008-09-17 | 三星电子株式会社 | Outdoor machine of air conditioner |
| CN107208953A (en) * | 2015-02-27 | 2017-09-26 | 三菱电机株式会社 | Refrigerating plant |
| CN109253526A (en) * | 2018-09-21 | 2019-01-22 | 珠海格力电器股份有限公司 | The starting method and device of air-conditioning self-cleaning function, automatically cleaning air-conditioning |
| CN110094853A (en) * | 2019-06-03 | 2019-08-06 | 珠海格力电器股份有限公司 | A kind of unit dedusting control method, device and unit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112944582A (en) * | 2021-03-01 | 2021-06-11 | 青岛海尔（胶州）空调器有限公司 | Method and device for prompting self-cleaning of air conditioner and air conditioner |
| CN115164347A (en) * | 2022-07-18 | 2022-10-11 | 珠海格力电器股份有限公司 | Self-cleaning control method and device for air conditioner outdoor unit, air conditioner and storage medium |
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Application publication date: 20191213 |
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| RJ01 | Rejection of invention patent application after publication |