CN113803863A - Liquid level detection device and air conditioner - Google Patents
Liquid level detection device and air conditioner Download PDFInfo
- Publication number
- CN113803863A CN113803863A CN202111138397.7A CN202111138397A CN113803863A CN 113803863 A CN113803863 A CN 113803863A CN 202111138397 A CN202111138397 A CN 202111138397A CN 113803863 A CN113803863 A CN 113803863A
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- CN
- China
- Prior art keywords
- liquid level
- liquid
- level sensor
- air conditioner
- refrigerant
- 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.)
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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
- F24F11/89—Arrangement or mounting of control or safety devices
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
- F24F11/526—Indication arrangements, e.g. displays giving audible indications
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
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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
- F25B45/00—Arrangements for charging or discharging refrigerant
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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
- F25B2345/00—Details for charging or discharging refrigerants; Service stations therefor
- F25B2345/001—Charging refrigerant to a cycle
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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
- F25B2345/00—Details for charging or discharging refrigerants; Service stations therefor
- F25B2345/003—Control issues for charging or collecting refrigerant to or from a cycle
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a liquid level detection device and an air conditioner, comprising: the liquid passing assembly is connected to an outlet pipeline of the air conditioner condenser and is horizontally arranged; the liquid level sensor is arranged in the liquid passing assembly and used for detecting the liquid level height of the refrigerant; and the controller sends out a corresponding liquid level prompt signal according to the liquid level signal detected by the liquid level sensor. According to the invention, the visual liquid passing assembly which is horizontally arranged is connected to the outlet pipeline of the air conditioner condenser, and the liquid level sensors which are positioned at different heights are arranged in the liquid passing assembly, so that the liquid level of the refrigerant can be timely obtained and prompted to a user, the user can conveniently debug or maintain, meanwhile, the automatic liquid supplementing of the liquid supplementing tank of the air conditioner can be controlled, and the use experience is improved.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a liquid level detection device and an air conditioner.
Background
In the air conditioning refrigeration and freezing refrigeration industries, most refrigeration enterprise manufacturers need to adjust the amount of refrigerant to meet the operation requirements of a unit in a test in order to facilitate field debugging, after-sales maintenance and the like, and in multiple times of adjustment, whether the specific amount of refrigerant is sufficient or excessive is difficult to determine, so that debugging or maintenance is difficult.
Disclosure of Invention
The invention provides a liquid level detection device and an air conditioner, aiming at solving the technical problem that the liquid level of a refrigerant of an air conditioning unit in the prior art is difficult to determine.
The technical scheme adopted by the invention is as follows:
the invention provides a liquid level detection device, comprising:
the liquid passing assembly is connected to an outlet pipeline of the air conditioner condenser and is horizontally arranged;
the liquid level sensor is arranged in the liquid passing assembly and used for detecting the liquid level height of the refrigerant;
and the controller sends out a corresponding liquid level prompt signal according to the liquid level signal detected by the liquid level sensor.
Furthermore, a liquid viewing mirror for manually observing the liquid level is arranged on the side surface of the liquid passing assembly.
The liquid level sensor includes: the liquid level sensor comprises a first liquid level sensor and a third liquid level sensor, wherein the first liquid level sensor and the third liquid level sensor are arranged at different heights.
The specific control is as follows:
when the liquid level of the refrigerant is lower than the detection position of the first liquid level sensor, the controller sends a liquid level over-low signal.
When the liquid level of the refrigerant is higher than the detection position of the third liquid level sensor, the controller sends a liquid level over-high signal.
When the liquid level of the refrigerant is between the detection positions of the first liquid level sensor and the third liquid level sensor, the controller sends a liquid level normal signal.
The air conditioner liquid supplementing device further comprises a second liquid level sensor arranged between the first liquid level sensor and the third liquid level sensor, the controller controls the valve of the liquid supplementing tank of the air conditioner to be opened when sending a liquid level too low signal, and the controller controls the valve of the liquid supplementing tank of the air conditioner to be closed when the detection position of the second liquid level sensor detects a refrigerant.
The invention also includes: and the display is connected with the controller and displays a corresponding alarm picture according to the prompt signal. And the loudspeaker is connected with the controller and plays the corresponding audio according to the prompt signal.
The invention also provides an air conditioner using the liquid level detection device.
The air conditioner comprises the following components besides the original heat exchange components: the liquid supplementing tank is connected with the air conditioner evaporator in parallel through a liquid supplementing pipeline, and the valve is arranged on the liquid supplementing pipeline and controlled by the controller.
Compared with the prior art, the visual liquid passing assembly horizontally arranged is connected to the outlet pipeline of the air conditioner condenser, and the liquid level sensors at different heights are arranged in the liquid passing assembly, so that the liquid level of the refrigerant can be timely acquired and prompted to a user, the user can conveniently debug or maintain, meanwhile, the liquid supplementing tank of the air conditioner can be controlled to automatically supplement liquid, and the use experience is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic structural diagram in an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the main body in the embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The principles and construction of the present invention will be described in detail below with reference to the drawings and examples.
As shown in fig. 1, the present invention provides a liquid level detecting apparatus, including: cross liquid subassembly 1, a plurality of level sensor and controller 2, cross the setting of liquid subassembly 1 level, and horizontally both ends link up to the middle part, connect on air conditioner condenser 6's outlet duct, make the liquid refrigerant that flows out from air conditioner condenser 6 export can flow through the liquid subassembly 1 that crosses that the level set up, level sensor sets up in crossing liquid subassembly 1, and each level sensor sets up on the liquid level height of difference, has the liquid level detection position of a plurality of co-altitude promptly. The controller can send out the liquid level cue signal that corresponds according to the liquid level signal that each level sensor detected, reminds the specific liquid level condition of user, makes things convenient for the air conditioner to debug and maintain.
For the convenience of observation of users, the invention also comprises: and the display 4 is connected with the controller 2, and the display 4 displays a corresponding alarm picture according to the prompt signal. As shown in fig. 2, a liquid viewing mirror 11 is disposed on a side surface of the liquid passing assembly, and the liquid viewing mirror is located on a side surface of the through space inside the liquid passing assembly, so that a user can directly observe the change of the refrigerant liquid level through the liquid viewing mirror.
The liquid level sensor specifically includes: the liquid level sensor comprises a first liquid level sensor 31, a second liquid level sensor 32 and a third liquid level sensor 33, wherein the first liquid level sensor, the second liquid level sensor and the third liquid level sensor are arranged from low to high in sequence. The liquid level prompt signal corresponds level sensor specifically includes: a low liquid level signal, a high liquid level signal and a normal liquid level signal.
When the liquid level of the refrigerant is lower than the detection position of the first liquid level sensor 31, the controller sends a liquid level over-low signal after receiving the liquid level signal of the first liquid level sensor 31, the display 4 receives the liquid level over-low signal and prompts that the liquid refrigerant is insufficient, the liquid refrigerant needs to be added, and a prompt alarm sound is sent through the loudspeaker to prompt that the refrigerant is insufficient, and the proper amount of refrigerant is added to meet the stable operation requirement of the unit.
When the liquid level of the refrigerant is higher than the detection position of the third liquid level sensor 33, the controller sends out a liquid level over-high signal after receiving the liquid level signal of the first liquid level sensor, the display prompts that the liquid refrigerant is enough after receiving the liquid level over-high signal, the liquid refrigerant does not need to be added, and a prompt alarm sound is sent out through the loudspeaker, so that the refrigerant is enough, and the refrigerant does not need to be added.
When the liquid level of the refrigerant is between the detection positions of the first liquid level sensor 31 and the third liquid level sensor 33, the controller sends a liquid level normal signal, the display receives the liquid level normal signal and then prompts that the liquid refrigerant is enough, the liquid refrigerant does not need to be added, and sends out a prompt alarm sound that the refrigerant is enough and the refrigerant does not need to be added.
The invention also provides an air conditioner using the liquid level detection device.
The air conditioner further includes, in addition to the common components: through fluid infusion jar 5 that fluid infusion pipeline and evaporimeter 7 are parallelly connected, be equipped with the valve on the fluid infusion pipeline, the controller can be according to opening and closing of liquid level signal control valve, and the entry end and the exit end of fluid infusion jar all are equipped with the valve, specifically are first valve 51 and second valve 52, and controller 2 control first valve 51 and second valve 52 open simultaneously or close, ensure that the refrigerant in the fluid infusion jar can not influence air conditioning unit's normal operating.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (11)
1. A liquid level detection device, comprising:
the liquid passing assembly is connected to an outlet pipeline of the air conditioner condenser and is horizontally arranged;
the liquid level sensor is arranged in the liquid passing assembly and used for detecting the liquid level height of the refrigerant;
and the controller sends out a corresponding liquid level prompt signal according to the liquid level signal detected by the liquid level sensor.
2. The liquid level detection device as claimed in claim 1, wherein a liquid sight glass for manually observing the liquid level is provided on a side surface of the liquid passing assembly.
3. The fluid level detection apparatus of claim 1, wherein the fluid level sensor comprises: the liquid level sensor comprises a first liquid level sensor and a third liquid level sensor, wherein the first liquid level sensor and the third liquid level sensor are arranged at different heights.
4. The liquid level detection device as claimed in claim 3, wherein the controller sends a liquid level too low signal when the liquid level of the refrigerant is lower than the detection level of the first liquid level sensor.
5. The liquid level detection device as claimed in claim 3, wherein the controller sends a liquid level over-high signal when the liquid level of the refrigerant is higher than the detection level of the third liquid level sensor.
6. The liquid level detection device as claimed in claim 3, wherein the controller sends a normal liquid level signal when the liquid level of the refrigerant is between the detection levels of the first liquid level sensor and the third liquid level sensor.
7. The liquid level detection device as claimed in claim 3, further comprising a second liquid level sensor disposed between the first liquid level sensor and the third liquid level sensor, wherein the controller controls the valve of the liquid replenishing tank of the air conditioner to open when the liquid level is too low, and controls the valve of the liquid replenishing tank of the air conditioner to close when the refrigerant is detected at the detection position of the second liquid level sensor.
8. The fluid level sensing apparatus of claim 1, further comprising: and the display is connected with the controller and displays a corresponding alarm picture according to the prompt signal.
9. The fluid level sensing apparatus of claim 1, further comprising: and the loudspeaker is connected with the controller and plays the corresponding audio according to the prompt signal.
10. An air conditioner characterized by using the liquid level detection device according to any one of claims 1 to 9.
11. The air conditioner according to claim 10, comprising: the liquid supplementing tank is connected with the air conditioner evaporator in parallel through a liquid supplementing pipeline, and a valve controlled by the controller is arranged on the liquid supplementing pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111138397.7A CN113803863A (en) | 2021-09-27 | 2021-09-27 | Liquid level detection device and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111138397.7A CN113803863A (en) | 2021-09-27 | 2021-09-27 | Liquid level detection device and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113803863A true CN113803863A (en) | 2021-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111138397.7A Pending CN113803863A (en) | 2021-09-27 | 2021-09-27 | Liquid level detection device and air conditioner |
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| Country | Link |
|---|---|
| CN (1) | CN113803863A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113959122A (en) * | 2021-09-16 | 2022-01-21 | 青岛海尔空调电子有限公司 | Refrigeration system, control method and control device for refrigeration system |
-
2021
- 2021-09-27 CN CN202111138397.7A patent/CN113803863A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113959122A (en) * | 2021-09-16 | 2022-01-21 | 青岛海尔空调电子有限公司 | Refrigeration system, control method and control device for refrigeration system |
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