CN111602998A - Energy-saving temperature-adjusting display cabinet control system - Google Patents
Energy-saving temperature-adjusting display cabinet control system Download PDFInfo
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- CN111602998A CN111602998A CN202010589620.9A CN202010589620A CN111602998A CN 111602998 A CN111602998 A CN 111602998A CN 202010589620 A CN202010589620 A CN 202010589620A CN 111602998 A CN111602998 A CN 111602998A
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- gas
- heat exchanger
- energy
- electromagnetic valve
- temperature
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F3/00—Show cases or show cabinets
- A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F3/00—Show cases or show cabinets
- A47F3/04—Show cases or show cabinets air-conditioned, refrigerated
- A47F3/0478—Control or safety arrangements
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses an energy-saving temperature-adjusting display cabinet control system, which comprises a compressor, an electromagnetic valve, a heat exchanger, a capillary tube and a sealing pipeline thereof; the compressor is a heart of the energy-saving temperature regulation control system, and the conversion of gas temperature is realized by compressing gas; the electromagnetic valve is used for controlling the opening and closing of the pipeline and regulating and controlling the flow direction of a medium in the pipeline; the heat exchanger is a place for exchanging heat of the temperature regulating system, and can be used as a heater or a cooler; the capillary tube has the functions of reducing pressure and regulating temperature; the sealed pipeline is connected with each component to realize the function of transmitting working gas. The invention can simultaneously meet the requirements of different commodities on different temperatures, has wide application range, saves energy and protects environment.
Description
Technical Field
The invention relates to the technical field of display cabinets (showcases), in particular to a display cabinet control system with energy saving and temperature regulation (refrigeration and heating).
Background
In recent decades, with the rapid development of economy, a mode of selling commodities through a large supermarket gradually rises; for commodities such as dairy products, fresh foods, vegetables and beverages which have requirements on environmental temperature, a temperature-regulating cabinet is often adopted to guarantee the quality and keep the freshness of the commodities for a long time in order to facilitate browsing and selection of customers.
At present, temperature adjusting cabinets in the market mostly adopt PTC (positive temperature coefficient), electric heating rods and the like as temperature adjusting components, and the temperature adjusting method is inevitably to cause a large amount of power waste due to long-time and large-range use and is not in accordance with the national policy of energy conservation and emission reduction. Meanwhile, in the market, the meat and other commodities are generally heated by adopting equipment such as an oven, an induction cooker and the like; the refrigerator and the freezer are adopted to cool down commodities such as drinks, and the like, so that the requirements of different commodities on different temperatures cannot be met simultaneously, the display cabinets in the supermarket cannot be used in a compatible mode, and certain resource waste is caused.
In order to respond to the call of national energy-saving and emission-reducing policies, reduce resource waste and meet the requirements of different commodities on different temperatures, an energy-saving and temperature-regulating display cabinet and a control system thereof are urgently needed to solve the problems.
Disclosure of Invention
The invention aims to provide a novel energy-saving temperature adjustment control system for a display cabinet, which has low energy consumption and can refrigerate and heat the display cabinet, aiming at the problems that the traditional display cabinet has overhigh energy consumption and can not uniformly control refrigeration and heating and the like.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
an energy-saving temperature-adjusting control system for a display cabinet, comprising:
the compressor is a heart of the energy-saving temperature regulation control system, one end of the compressor sucks low-temperature and low-pressure gas, the motor drives the piston to move to compress the sucked gas, and the high-temperature and high-pressure gas is discharged from the exhaust gas pipe;
the electromagnetic valve is used for controlling the opening and closing of the pipeline and regulating and controlling the flow direction of a medium in the pipeline, so that different temperature regulating effects are achieved.
The heat exchanger is energy-saving equipment for realizing heat transfer between materials between two or more than two fluids with different temperatures; as a place for heat exchange of a temperature regulating system; it can be used as both heater and cooler;
the capillary tube has the functions of reducing pressure and adjusting temperature, is convenient to use and has few limited conditions;
and the sealed pipeline is arranged in the energy-saving temperature regulating system and has the functions of connecting all components and transmitting working gas.
The compressor is characterized in that the compressor compresses gas which flows back in the circulating loop to serve as a medium, the gas in the loop releases or absorbs heat through the heat exchanger to realize energy transfer, and the gas can be recycled through compression energy, so that energy conservation and temperature regulation of the system are realized;
the heat exchanger is preferably characterized in that the heat exchanger can be a dividing wall type heat exchanger, a regenerative heat exchanger, a fluid connection indirect type heat exchanger, a direct contact type heat exchanger, a duplex type heat exchanger and the like;
the prior electromagnetic valve is characterized in that the flow direction and the path of compressed gas in the pipeline can be easily controlled by only controlling the sequential opening and closing sequence of the electromagnetic valve; the electromagnetic speed regulating valve in the control system can control the gas flowing speed in the pipeline, and the electromagnetic pressure regulating valve can control the gas pressure value in the pipeline.
The preferential energy-saving temperature regulation cabinet control system is characterized in that the temperature regulation effect of different temperatures can be achieved through different pipeline control; the temperature-adjusting and energy-saving effect can be achieved by compressing and adjusting the gas flow; the temperature adjusting system can control the flow direction and the flow path of the gas compressed by the compressor through the electromagnetic valve, thereby achieving different temperature adjusting effects;
drawings
FIG. 1 is a schematic diagram of a control system of an energy-saving temperature-adjusting display cabinet.
The reference numbers in the figures denote:
1-compressor, 2-electromagnetic valve A, 3-electromagnetic valve B, 4-heat exchanger A, 5-capillary tube A, 6-electromagnetic valve C, 7-capillary tube B, 8-heat exchanger B, 9-electromagnetic valve D, 10-electromagnetic valve E.
Detailed Description
The following describes the embodiments of the present invention with reference to the drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In one example, the system cooling workflow is: firstly, opening an electromagnetic valve B and an electromagnetic valve E, closing the electromagnetic valve A, the electromagnetic valve D and the electromagnetic valve C, enabling gas exhausted by the compressor to flow through the electromagnetic valve B and enter a heat exchanger A, enabling the gas to flow out of the heat exchanger A and enter the heat exchanger B through a capillary tube A, and enabling the gas to flow out of the heat exchanger B and return to the compressor through the electromagnetic valve E.
In one example, the system heating workflow is as follows: firstly, opening an electromagnetic valve A and an electromagnetic valve D, closing an electromagnetic valve B, an electromagnetic valve E and an electromagnetic valve C, enabling gas exhausted by a compressor to flow through the electromagnetic valve A and enter a heat exchanger B, enabling the gas to flow out of the heat exchanger B to flow into the heat exchanger A through a capillary tube A, and enabling the gas to flow out of the heat exchanger A to flow back to the compressor through the electromagnetic valve D.
In one example, the system heating workflow is as follows: firstly, opening an electromagnetic valve A, an electromagnetic valve D and an electromagnetic valve C, closing an electromagnetic valve B and an electromagnetic valve E, enabling gas exhausted by a compressor to flow through the electromagnetic valve A and enter a heat exchanger B, enabling a part of gas flowing out of the heat exchanger B to flow into the heat exchanger A through a capillary tube A, and enabling the gas flowing out of the heat exchanger A to flow back to the compressor through the electromagnetic valve D; the other part enters a throttling device B through an electromagnetic valve C, and flows back to the compressor through an electromagnetic valve D.
In one example, the pipeline may be a plastic hose or a PCV rigid pipe; the gas pipeline adopts a sealed iron pipe.
In one example, the electromagnetic valve can be installed at any position in the pipeline, and the connection between the air pipe and the component is ensured to be sealed, and the air pipe can be welded or sealed by sealant.
In one example, the heat exchanger may be a dividing wall heat exchanger, a regenerative heat exchanger, a fluid-coupled indirect heat exchanger, a direct contact heat exchanger, or a multiple heat exchanger.
In one example, the compressor may be a piston compressor or a rotary compressor.
In one example, the solenoid valve may be installed independently, or may be installed on a solenoid valve seat as an integrated control.
In one example, in order to control the temperature adjustment speed, a throttle valve and a speed regulating valve may be installed in the compressed gas flow line, and the gas flow rate may be controlled by throttling; the gas flow rate is controlled by a speed regulating valve.
In one example, to prevent gas backflow, a check valve may be installed in the compressed gas flow path to ensure one-way gas flow.
In one example, a pressure digital display meter can be installed, the pressure value of the compressed gas is monitored in real time, and the pressure digital display meter is matched with a pressure regulating valve for use, so that the pressure is controlled in a closed loop mode.
In one example, the heat exchanger may be mounted to the bottom of the display case or to the wall of the display case.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above description only shows some specific embodiments of the present invention, but it should not be understood that the scope of the present invention is limited thereto. It is obvious to anyone skilled in the art that variations and modifications according to the technical solution and concept of the present invention are within the protective scope of the present invention without departing from the concept of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. An energy-saving temperature-adjusting control system for a display cabinet comprises a compressor (1), an electromagnetic valve A (2), an electromagnetic valve B (3), a heat exchanger A (4), a capillary tube A (5), an electromagnetic valve C (6), a capillary tube B (7), a heat exchanger B (8), an electromagnetic valve D (9), an electromagnetic valve E (10) and a sealing pipeline thereof; the flow direction of the medium in the pipeline is controlled by controlling the opening and closing of the pipeline through the electromagnetic valve, so that different temperature adjusting effects are achieved. The energy-saving temperature regulation control system comprises:
the compressor is used for sucking low-temperature and low-pressure gas at one end, compressing the sucked gas through the movement of a motor piston and discharging high-temperature and high-pressure gas from an exhaust gas pipe, and is a heart of the energy-saving temperature regulation control system;
the heat exchanger is energy-saving equipment for realizing heat transfer between materials between two or more than two fluids with different temperatures; as a place for heat exchange of a temperature regulating system; it can be used as both heater and cooler;
the capillary has the functions of reducing pressure and adjusting temperature, is convenient to use and has few limited conditions.
2. The energy-saving temperature regulation cabinet control system according to claim 1, wherein the temperature regulation effect at different temperatures can be achieved through different pipeline control.
3. The energy-saving temperature regulation cabinet control system according to claim 1, wherein the temperature regulation and energy saving effects can be achieved by regulating the flow of gas through compression.
4. The energy-saving temperature regulation cabinet control system according to claim 1, wherein the temperature regulation system can control the flow direction and the flow path of the gas compressed by the compressor through an electromagnetic valve, so as to achieve different temperature regulation effects.
5. The circuit of claim 2, wherein the various flow paths form a circulation loop, and the gas in the compressor is circulated.
6. The heat exchanger of claim 1, wherein the heat exchanger is a dividing wall type heat exchanger, a regenerative type heat exchanger, a fluid coupling indirect type heat exchanger, a direct contact type heat exchanger, a multiple type heat exchanger, or the like.
7. The electromagnetic valve according to claim 1, characterized in that the control of the flow direction and the path of the compressed gas in the pipeline can be easily realized only by controlling the sequential opening and closing sequence of the electromagnetic valve.
8. The compressor of claim 1, wherein the compressor is used for compressing the gas which flows back in the circulating loop to serve as a medium, the gas in the loop releases or absorbs heat through the heat exchanger to realize energy transfer, and the gas is compressed to realize recirculation, so that energy conservation and temperature regulation of the system are realized.
9. The electromagnetic valve according to claim 7, wherein the electromagnetic speed regulating valve inside the control system can control the gas flow speed in the pipeline, and the electromagnetic pressure regulating valve can control the gas pressure value in the pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010589620.9A CN111602998A (en) | 2020-06-24 | 2020-06-24 | Energy-saving temperature-adjusting display cabinet control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010589620.9A CN111602998A (en) | 2020-06-24 | 2020-06-24 | Energy-saving temperature-adjusting display cabinet control system |
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| Publication Number | Publication Date |
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| CN111602998A true CN111602998A (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010589620.9A Pending CN111602998A (en) | 2020-06-24 | 2020-06-24 | Energy-saving temperature-adjusting display cabinet control system |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105640164A (en) * | 2015-12-30 | 2016-06-08 | 西安交通大学 | Ice storage cold fresh display cabinet |
| CN108903484A (en) * | 2018-07-18 | 2018-11-30 | 广东天翔冷链设备有限公司 | A kind of remote mounted dual temperature showcase |
| CN110145883A (en) * | 2019-05-23 | 2019-08-20 | 青岛澳柯玛智慧冷链有限公司 | A kind of multi-stage heat exchanger water cooling system for built-in showcase |
-
2020
- 2020-06-24 CN CN202010589620.9A patent/CN111602998A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105640164A (en) * | 2015-12-30 | 2016-06-08 | 西安交通大学 | Ice storage cold fresh display cabinet |
| CN108903484A (en) * | 2018-07-18 | 2018-11-30 | 广东天翔冷链设备有限公司 | A kind of remote mounted dual temperature showcase |
| CN110145883A (en) * | 2019-05-23 | 2019-08-20 | 青岛澳柯玛智慧冷链有限公司 | A kind of multi-stage heat exchanger water cooling system for built-in showcase |
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Application publication date: 20200901 |