CN215832219U - Novel refrigerating unit - Google Patents
Novel refrigerating unit Download PDFInfo
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- CN215832219U CN215832219U CN202121462970.5U CN202121462970U CN215832219U CN 215832219 U CN215832219 U CN 215832219U CN 202121462970 U CN202121462970 U CN 202121462970U CN 215832219 U CN215832219 U CN 215832219U
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- evaporator
- condenser
- pipeline
- expansion valve
- electronic expansion
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Abstract
The utility model provides a novel refrigerating unit, which is characterized in that a compressor, a condenser, an electronic expansion valve, an evaporator, a refrigerant liquid level sensor, an evaporator pressure sensor and a controller are arranged; one end of the compressor is connected with one end of the condenser through a pipeline, and the other end of the compressor is connected with one end of the evaporator through a pipeline; the other end of the condenser is connected with one end of the electronic expansion valve through a pipeline; the other end of the electronic expansion valve is connected with the other end of the evaporator through a pipeline; the refrigerant liquid level sensor is arranged on the condenser or the evaporator; the evaporator pressure sensor is arranged on the evaporator; the electronic expansion valve, the refrigerant liquid level sensor and the evaporator pressure sensor are respectively electrically connected with the controller, and the controller controls the gear of the electronic expansion valve according to the detected numerical values of the refrigerant liquid level sensor and the evaporator pressure sensor, so that the liquid supply amount can be accurately adjusted, and the running and starting range of the refrigerating unit is enlarged.
Description
Technical Field
The utility model relates to the technical field of refrigerating units, in particular to a novel refrigerating unit.
Background
The refrigerating unit is the most main part of the refrigerating equipment, and an economizer is usually added in the main machine double-stage compression refrigeration cycle of the refrigerating unit to realize intermediate air supplement to improve the cycle efficiency, so that the refrigerant needs to pass through two throttling processes. The required throttling circulation area is different under different working conditions and load conditions, and the refrigerating unit can operate in a high-efficiency area by changing the circulation area. However, the conventional refrigerating unit cannot accurately adjust the liquid supply amount, so that the operating range of the refrigerating unit is small.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to solve the problems in the prior art, the utility model provides a novel refrigerating unit which can accurately adjust the liquid supply amount and improve the operation and starting range of the refrigerating unit.
(II) technical scheme
In order to achieve the purpose, the utility model adopts the main technical scheme that:
a novel refrigerating unit comprises a compressor, a condenser, an electronic expansion valve, an evaporator, a refrigerant liquid level sensor, an evaporator pressure sensor and a controller;
one end of the compressor is connected with one end of the condenser through a pipeline, and the other end of the compressor is connected with one end of the evaporator through a pipeline;
the other end of the condenser is connected with one end of the electronic expansion valve through a pipeline;
the other end of the electronic expansion valve is connected with the other end of the evaporator through a pipeline;
the refrigerant liquid level sensor is arranged on the condenser or the evaporator;
the evaporator pressure sensor is arranged on the evaporator;
the electronic expansion valve, the refrigerant liquid level sensor and the evaporator pressure sensor are respectively electrically connected with the controller.
Further, the oil separator is also included;
the oil separator is arranged between the compressor and the condenser, one end of the oil separator is connected with one end of the compressor through a pipeline, and the other end of the oil separator is connected with one end of the condenser through a pipeline.
Further, the model of the controller is a TM programmable controller.
Further, the refrigerant level sensor is a UYB capacitive level sensor.
Further, the type of the evaporator pressure sensor is an AKS pressure sensor.
(III) advantageous effects
The utility model has the beneficial effects that: the system is characterized in that a compressor, a condenser, an electronic expansion valve, an evaporator, a refrigerant liquid level sensor, an evaporator pressure sensor and a controller are arranged; one end of the compressor is connected with one end of the condenser through a pipeline, and the other end of the compressor is connected with one end of the evaporator through a pipeline; the other end of the condenser is connected with one end of the electronic expansion valve through a pipeline; the other end of the electronic expansion valve is connected with the other end of the evaporator through a pipeline; the refrigerant liquid level sensor is arranged on the condenser or the evaporator; the evaporator pressure sensor is arranged on the evaporator; the electronic expansion valve, the refrigerant liquid level sensor and the evaporator pressure sensor are respectively electrically connected with the controller, and the controller controls the gear of the electronic expansion valve according to the detected numerical values of the refrigerant liquid level sensor and the evaporator pressure sensor, so that the liquid supply amount can be accurately adjusted, and the running and starting range of the refrigerating unit is enlarged.
Drawings
Fig. 1 is a schematic view of the overall structure of the novel refrigeration unit according to the embodiment of the utility model.
[ description of reference ]
1: a compressor; 2: an oil separator; 3: a condenser; 4: an electronic expansion valve; 5: an evaporator; 6: and a controller.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings.
Referring to fig. 1, a novel refrigeration unit includes a compressor 1, a condenser 3, an electronic expansion valve 4, an evaporator 5, a refrigerant liquid level sensor, an evaporator pressure sensor and a controller 6;
one end of the compressor 1 is connected with one end of the condenser 3 through a pipeline, and the other end of the compressor 1 is connected with one end of the evaporator 5 through a pipeline;
the other end of the condenser 3 is connected with one end of the electronic expansion valve 4 through a pipeline;
the other end of the electronic expansion valve 4 is connected with the other end of the evaporator 5 through a pipeline;
the refrigerant liquid level sensor is arranged on the condenser 3 or the evaporator 5;
the evaporator pressure sensor is arranged on the evaporator 5;
the electronic expansion valve 4, the refrigerant liquid level sensor and the evaporator pressure sensor are electrically connected with the controller 6 respectively.
Also comprises an oil separator 2;
the oil separator 2 is arranged between the compressor 1 and the condenser 3, one end of the oil separator 2 is connected with one end of the compressor 1 through a pipeline, and the other end of the oil separator 2 is connected with one end of the condenser 3 through a pipeline.
The controller 6 is of the type.
The refrigerant level sensor is a UYB capacitive level sensor.
The evaporator pressure sensor is an AKS pressure sensor.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (5)
1. A novel refrigerating unit is characterized by comprising a compressor, a condenser, an electronic expansion valve, an evaporator, a refrigerant liquid level sensor, an evaporator pressure sensor and a controller;
one end of the compressor is connected with one end of the condenser through a pipeline, and the other end of the compressor is connected with one end of the evaporator through a pipeline;
the other end of the condenser is connected with one end of the electronic expansion valve through a pipeline;
the other end of the electronic expansion valve is connected with the other end of the evaporator through a pipeline;
the refrigerant liquid level sensor is arranged on the condenser or the evaporator;
the evaporator pressure sensor is arranged on the evaporator;
the electronic expansion valve, the refrigerant liquid level sensor and the evaporator pressure sensor are respectively electrically connected with the controller.
2. The novel refrigeration unit as set forth in claim 1 further including an oil separator;
the oil separator is arranged between the compressor and the condenser, one end of the oil separator is connected with one end of the compressor through a pipeline, and the other end of the oil separator is connected with one end of the condenser through a pipeline.
3. The novel refrigeration unit as set forth in claim 1 wherein said controller is a TM programmable controller.
4. The novel refrigeration unit as set forth in claim 1 wherein said refrigerant level sensor is a UYB capacitive level sensor.
5. The novel refrigeration unit as set forth in claim 1 wherein said evaporator pressure sensor is an AKS pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121462970.5U CN215832219U (en) | 2021-06-30 | 2021-06-30 | Novel refrigerating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121462970.5U CN215832219U (en) | 2021-06-30 | 2021-06-30 | Novel refrigerating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215832219U true CN215832219U (en) | 2022-02-15 |
Family
ID=80191012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121462970.5U Active CN215832219U (en) | 2021-06-30 | 2021-06-30 | Novel refrigerating unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215832219U (en) |
-
2021
- 2021-06-30 CN CN202121462970.5U patent/CN215832219U/en active Active
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