Single-host multi-evaporator system
By designing a single-unit, multi-evaporator system, the problems of liquid return and shortened lifespan in multi-evaporator systems are solved, achieving stability, reduced energy consumption, and precise temperature control, making it suitable for supermarkets and variable-temperature warehouses.
Patent Information
- Application Number
- CN202422928421.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-11-29
AI Technical Summary
In existing technologies, conventional single compressors are not suitable for multi-evaporator systems, leading to liquid return problems or shortened service life, and variable frequency parallel systems have high investment costs.
The system employs a single main unit with multiple evaporators. By combining a liquid receiver, filter, solenoid valve, and digital compressor, three evaporation systems are connected in series. Combined with the use of a temperature sensor and expansion valve, temperature difference control and compressor-cooling capacity regulation are achieved.
It achieves stability when multiple evaporators are used simultaneously, reduces energy consumption, controls temperature accuracy within ±0.5 degrees, makes equipment operation more stable, and is easier to maintain.
Smart Images
Figure CN223470361U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to refrigeration equipment technical field, specifically relates to a single host computer multi evaporator system. BACKGROUND
[0002] The system needs to realize that multiple evaporators are used simultaneously, such as supermarket and variable temperature warehouse system, and the conventional single compressor is not suitable for such system, which can cause problems such as back liquid or shortening the service life of the compressor, or the investment cost of the frequency conversion and connection system is higher. INVENTION CONTENTS
[0003] The utility model mainly solves the technical problems existing in the prior art, and provides a single host computer multi evaporator system.
[0004] The above technical problems of the utility model are mainly solved through the following technical scheme: a single host computer multi evaporator system, comprising an outdoor condenser, a liquid accumulator is arranged on the output pipeline of the outdoor condenser, a filter is connected to the pipeline at the output end of the liquid accumulator, an electromagnetic valve is connected to the pipeline at the output end of the filter, a first evaporation system, a second evaporation system and a third evaporation system are respectively connected in series to the pipeline at the output end of the electromagnetic valve, a digital compressor is connected to the pipeline at the input end of the outdoor condenser, three branch pipes are formed on the pipeline at the input end of the digital compressor, and the input ends of the three branch pipes are respectively connected to the first evaporation system, the second evaporation system and the third evaporation system.
[0005] Preferably, a sight glass is arranged on the pipeline between the filter and the electromagnetic valve.
[0006] Preferably, the first evaporation system, the second evaporation system and the third evaporation system are of the same structure, the first evaporation system comprises an evaporator, a feed pipe, a discharge pipe, an expansion valve and a temperature sensing bag, the feed pipe and the discharge pipe are arranged on one end of the evaporator respectively, the pipeline at the output end of the expansion valve is connected to the feed pipe, and the pipeline output end of the discharge pipe is connected to the output pipeline of the digital compressor through a pipeline.
[0007] Preferably, the top of the expansion valve is connected to the temperature sensing bag through a pipeline, the temperature sensing bag is arranged above the feed pipe, and the pipeline at the feed end of the expansion valve is connected to the three branch pipes.
[0008] The utility model discloses have beneficial effect: through single system can solve above temperature change bigger, need realize the system problem of multiple evaporators simultaneous use, compressor-cold quantity can be adjusted at 10-100%, greatly reduce equipment energy consumption compared with conventional single system and parallel system, can also realize automatic regulation according to the load size of supermarket refrigeration evaporator or warehouse pressure, on-demand cooling and temperature control, temperature precision can be controlled at about ± 0.5 degree, compared with conventional system, reduced energy consumption compared with complex parallel refrigeration system equipment operation is more stable and easy to maintain. BRIEF DESCRIPTION OF DRAWINGS
[0009] Fig. 1 It is a kind of equipment pipeline laying diagram of the utility model;
[0010] Fig. 2 It is the specific structure diagram of the first evaporation system of the utility model.
[0011] In the drawing: 1, outdoor condenser;2, liquid accumulator;3, filter;4, sight glass;5, electromagnetic valve;6, first evaporation system;61, evaporator;62, feed pipe;63, discharge pipe;64, expansion valve;65, temperature sensing bag;7, second evaporation system;8, third evaporation system;9, digital compressor. DETAILED DESCRIPTION
[0012] The technical scheme of the utility model will be further specifically explained below by embodiment, and in conjunction with the drawings.
[0013] Embodiment: a single host multiple evaporator system, as shown in Figs. 1-2 It includes outdoor condenser 1, the output pipeline of outdoor condenser 1 is provided with liquid accumulator 2, the pipeline of the output end of liquid accumulator 2 is connected with filter 3, the pipeline of the output end of filter 3 is connected with electromagnetic valve 5, sight glass 4 is arranged between filter 3 and electromagnetic valve 5, the pipeline of the output end of electromagnetic valve 5 is respectively connected with first evaporation system 6, second evaporation system 7 and third evaporation system 8, the pipeline of the input end of outdoor condenser 1 is connected with digital compressor 9, three branch pipes are formed on the pipeline of the input end of digital compressor 9, and the input end of three branch pipes is connected to first evaporation system 6, second evaporation system 7 and third evaporation system 8 respectively.
[0014] The first evaporation system 6, the second evaporation system 7 and the third evaporation system 8 are identical in structure, the first evaporation system 6 comprises an evaporator 61, a feeding pipe 62, a discharging pipe 63, an expansion valve 64 and a temperature sensing bag 65, the feeding pipe 62 and the discharging pipe 63 are arranged on one end of the evaporator 61 respectively, the pipeline of the output end of the expansion valve 64 is connected with the feeding pipe 62, the pipeline output end of the discharging pipe 63 is connected to the output pipeline of the digital compressor 9 through a pipeline, the top of the expansion valve 64 is connected with the temperature sensing bag 65 through a pipeline, the temperature sensing bag 65 is arranged above the feeding pipe 62, and the pipeline of the feeding end of the expansion valve 64 is connected with three branch pipes.
[0015] The principle of the utility model is: the three branch pipelines connected with the output pipeline of the outdoor condenser 1 are connected with the first evaporation system 6, the second evaporation system 7 and the third evaporation system 8 respectively in series, the output ends of the bottoms of the first evaporation system 6, the second evaporation system 7 and the third evaporation system 8 are connected in series to the input end of the digital compressor 9, and the high-precision control of the digital compressor 9 is matched, so that the temperature difference between the three parallel first evaporation system 6, the second evaporation system 7 and the third evaporation system 8 is smaller.
[0016] Finally, it should be noted that the above embodiments are only representative examples of the utility model. Obviously, the utility model is not limited to the above embodiments, and there can be many variations. Any simple modification, equivalent change and modification made according to the technical essence of the utility model to the above embodiments should be considered as falling within the protection scope of the utility model.
Claims
1. A single host multi-evaporator system comprising an outdoor condenser (1), characterized in that: The outdoor condenser (1) is provided with a liquid accumulator (2) on the output pipeline, a filter (3) is connected to the output pipeline of the liquid accumulator (2), an electromagnetic valve (5) is connected to the output pipeline of the filter (3), a first evaporation system (6), a second evaporation system (7) and a third evaporation system (8) are connected in series to the output pipeline of the electromagnetic valve (5) respectively, a digital compressor (9) is connected to the input pipeline of the outdoor condenser (1), and three branch pipelines are formed on the input pipeline of the digital compressor (9), and the input ends of the three branch pipelines are connected to the first evaporation system (6), the second evaporation system (7) and the third evaporation system (8) respectively.
2. A single host multi-evaporator system as claimed in claim 1, wherein: A sight glass (4) is arranged on the pipeline between the filter (3) and the electromagnetic valve (5).
3. A single host multiple evaporator system as claimed in claim 1, wherein: The first evaporation system (6), the second evaporation system (7) and the third evaporation system (8) are identical in structure, the first evaporation system (6) comprises an evaporator (61), a feed pipe (62), a discharge pipe (63), an expansion valve (64) and a temperature sensing bulb (65), the feed pipe (62) and the discharge pipe (63) are arranged on one end of the evaporator (61) respectively, the output pipeline of the expansion valve (64) is connected to the feed pipe (62), and the output pipeline of the discharge pipe (63) is connected to the output pipeline of the digital compressor (9) through a pipeline.
4. A single host multiple evaporator system as claimed in claim 3, wherein: The top of the expansion valve (64) is connected to the temperature sensing bulb (65) through a pipeline, the temperature sensing bulb (65) is arranged above the feed pipe (62), and the pipelines of the feed end of the expansion valve (64) are connected to the three branch pipelines correspondingly.