CN209801879U - Novel multi-temperature frequency conversion temperature control machine - Google Patents
Novel multi-temperature frequency conversion temperature control machine Download PDFInfo
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- CN209801879U CN209801879U CN201920082249.XU CN201920082249U CN209801879U CN 209801879 U CN209801879 U CN 209801879U CN 201920082249 U CN201920082249 U CN 201920082249U CN 209801879 U CN209801879 U CN 209801879U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model provides a novel multi-temperature frequency conversion temperature control machine, including the water tank and connect the water cycle device of water tank, the delivery port of water tank pressurizes to refrigerating plant through the cold water pump, water divide into two the tunnel behind refrigerating plant, water to the frozen water delivery port all the way, another way water to the heating device, frozen water return water mouth and the water tank on the frozen water delivery port constitute the water circulation and cool down equipment, the return water section of thick bamboo of adjusting water circulation pipeline adds cold water through the heater and joins with another way cold water of return water section of thick bamboo and adjusts the temperature, jointly control the temperature through hot water pump and heater, realize temperature regulation, satisfy the requirement of different equipment to the temperature; the PLC controls the variable frequency compressor and the electronic expansion valve to improve energy efficiency, automatically adjusts the working state according to external loads, and can shield the running specific frequency of the variable frequency compressor so as to avoid equipment resonance.
Description
Technical Field
The utility model relates to a temperature control equipment technical field specifically is a novel many temperature frequency conversion temperature control machine.
Background
The refrigerant absorbs the heat of the cooled object in the evaporator and is vaporized into steam, the compressor continuously extracts the generated steam from the evaporator and compresses the steam, the compressed high-temperature and high-pressure steam is sent to the condenser and then releases heat to a cooling medium (such as water, air and the like) to be condensed into high-pressure liquid, the high-pressure liquid enters the evaporator after being depressurized by the throttling mechanism and is vaporized again to absorb the heat of the cooled object, and the circulation is repeated.
However, the existing water chiller adopts a fixed-frequency compressor, so that the energy efficiency is low, the water chiller is frequently started and stopped and is easy to damage, the temperature control is single, the multi-temperature control cannot be realized, and the current use requirement cannot be met.
SUMMERY OF THE UTILITY MODEL
the utility model provides a technical problem provide a novel many temperature frequency conversion temperature control machine to solve the problem of proposing in the above-mentioned background art.
The utility model provides a technical problem adopt following technical scheme to realize: a novel multi-temperature frequency conversion temperature control machine comprises a water tank and a water circulation device connected with the water tank, wherein a water replenishing port is arranged at the upper end of the water tank and used for adding water in the water tank, a liquid level floating ball is arranged in the water tank and used for detecting the water level of the water tank, an overflow port is arranged at the side end of the water tank and communicated with the outside through a water pipe, a water outlet is arranged at the bottom of the water tank, a valve is connected to a pipeline of the water outlet, the water circulation device comprises an ice water circulation pipeline and a water regulation circulation pipeline, the ice water circulation pipeline comprises a cold water pump and a refrigeration device, the water in the water tank is pumped by the cold water pump through the water inlet end of the cold ice circulation pipeline and is refrigerated by the refrigeration device, the ice water circulation pipeline is divided into an ice water outlet and a water inlet of the water regulation circulation pipeline after passing through the, the adjusting water circulation pipeline comprises a water return cylinder and a heating device, cold water separated from the ice water circulation pipeline is connected with the heating device through the water return cylinder, the cold water of the water return cylinder is heated by a heater through a hot water pump, hot water heated by the heater is converged with a bypass pipeline, the other end of the bypass pipeline is communicated with the water return cylinder, the tail end of the bypass pipeline is connected with a hot water outlet, the upper end of the water return cylinder is provided with a hot water return port, the hot water outlet and the hot water return port form water circulation for adjusting the temperature of equipment, a pipeline at the upper end of the water return cylinder is connected with a bypass electromagnetic valve, and the bypass electromagnetic.
Preferably, the refrigerating device comprises an evaporator, a condenser and a compressor, the evaporator, the condenser and the compressor form a refrigerant circulation loop, a drying filter and an expansion valve are sequentially arranged between the condenser and the evaporator, the compressor is communicated with a high-low pressure controller through a pipeline, a coal-cooling low pressure meter and a coal-cooling high pressure meter are arranged on two sides of the high-low pressure controller, and the coal-cooling high pressure meter is close to one side of an outlet of the compressor.
Preferably, the compressor is a variable frequency compressor, one side of the compressor is provided with a one-way valve for fluoridizing the compressor through a branch pipe, the compressor and the expansion valve are connected with a controller, the controller is a PLC (programmable logic controller), and the PLC is electrically connected with the heating device.
Preferably, the adjusting water circulation pipeline is provided with a plurality of groups, the water inlet ends of the adjusting water circulation pipelines are communicated with the cold water pipeline, and the water return cylinder of the adjusting water circulation pipeline is connected with the water tank.
Preferably, control valves are arranged at the ice water outlet, the hot water outlet and the hot water return port.
Preferably, the heater is provided with a temperature sensing probe for detecting temperature, and a pipeline at one side of the bypass pipeline close to the hot water outlet is provided with a hot water outlet pressure gauge.
Compared with the prior art, the beneficial effects of the utility model are that: the water outlet of the water tank is pressurized to the refrigerating device through the cold water pump, the water is divided into two paths after passing through the refrigerating device, one path of water is delivered to the ice water outlet, the other path of water is delivered to the heating device, the ice water outlet and the ice water return port on the water tank form water circulation to cool the equipment, a water return cylinder of a water circulation pipeline is adjusted to heat the cold water through a heater, the cold water is converged with the other path of cold water of the water return cylinder to adjust the water temperature, the water temperature is controlled through the combination of a hot water pump and the heater, the temperature adjustment is realized; the PLC controls the variable frequency compressor and the electronic expansion valve to improve energy efficiency, automatically adjusts the working state according to external load, and can shield the specific running frequency of the variable frequency compressor to avoid equipment resonance; the PLC controls the operation of the heating module to achieve multi-temperature control of the equipment, and the multi-temperature variable-frequency temperature control machine controls the frequency of the variable-frequency compressor and the throttling of the electronic expansion valve by adopting the PLC so that the energy efficiency ratio of the variable-frequency compressor is higher than that of a rated unit; the compressor frequency is automatically adjusted through PID parameters to change the refrigerating capacity, the refrigerating capacity is accurately matched with the heat load, the phenomenon that a quota machine pulls a trolley is avoided, the working frequency of the compressor with 1Hz of each stage is controlled through PID adjustment, the outlet water temperature precision can be accurately controlled within +/-0.1- +/-0.2 by matching with the control of an electronic expansion valve, and the requirement of various high-end equipment on the cooling water temperature precision is well met; the compressor does not need to be started and stopped frequently, so that the large current (3-4 times of the normal working time) at the moment of starting and stopping the compressor is avoided, the compressor works in a low-frequency state in most of time, the service lives of the compressor and equipment are greatly prolonged, the failure rate of products is reduced, and the noise of the rating machine during frequent starting and stopping is avoided; the multi-temperature frequency conversion temperature control machine can realize control of a plurality of temperatures, reduces the production cost and the occupied area of a user, and can trace back the use condition of equipment by adopting a human-computer communication interface.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the specific drawings.
As shown in figure 1 of the drawings, in which,
A novel multi-temperature frequency conversion temperature control machine comprises a water tank 1 and a water circulation device connected with the water tank 1, wherein a water replenishing port 26 is arranged at the upper end of the water tank and used for adding water in the water tank 1, a liquid level floating ball 2 is arranged in the water tank 1 and used for detecting the water level of the water tank 1, an overflow port 24 is arranged at the side end of the water tank 1, the overflow port 24 is communicated with the outside through a water pipe, a water outlet 13 is arranged at the bottom of the water tank 1, a valve is connected with a pipeline of the water outlet 13, the water circulation device comprises an ice water circulation pipeline and a water regulation circulation pipeline, the ice water circulation pipeline comprises a cold water pump 3 and a refrigeration device, the water inlet end of the cold ice water circulation pipeline pumps water in the water tank 1 through the cold water pump 3 and is refrigerated through the refrigeration device, the ice water circulation pipeline is divided into an ice, the water circulation system comprises an ice water outlet 27 and an ice water return port 25 on the water tank, the ice water circulation system is used for cooling equipment, the water circulation adjusting pipeline comprises a water return cylinder 17 and a heating device, cold water separated from the ice water circulation pipeline is connected with the heating device through the water return cylinder 17, cold water of the water return cylinder 17 is heated by a heater 15 through a hot water pump 16, hot water heated by the heater 15 is converged with a bypass pipeline 19, the other end of the bypass pipeline 19 is communicated with the water return cylinder 17, the tail end of the bypass pipeline 19 is connected with a hot water outlet 23, a hot water return port 22 is arranged at the upper end of the water return cylinder 17, the hot water outlet 23 and the hot water return port 22 form water circulation for adjusting the temperature of the equipment, a pipeline at the upper end of the water return cylinder 17.
The present embodiment works as follows: the water outlet of the water tank 1 is pressurized to the refrigerating device through the cold water pump 3, water is divided into two paths after passing through the refrigerating device, one path of water reaches the ice water outlet 27, the other path of water reaches the heating device, the ice water outlet 27 and the ice water return port 25 on the water tank 1 form a water circulation to cool the equipment, the cold water is heated by the heater 15 through the water return cylinder 17 of the adjusting water circulation pipeline, the cold water and the cold water at the other path of the water return cylinder 17 are converged to adjust the water temperature, the water temperature is controlled through the hot water pump 16 and the heater 15, temperature adjustment is achieved, and the requirements of different.
In this embodiment, the refrigeration device includes an evaporator 4, a condenser 5, and a compressor 6, the evaporator 4, the condenser 5, and the compressor 6 form a refrigerant circulation loop, a drying filter 12 and an expansion valve 11 are sequentially disposed between the condenser 5 and the evaporator 4, the compressor 6 is communicated with a high-low pressure controller 7 through a pipeline, a coal-cooling low-pressure meter 8 and a coal-cooling high-pressure meter 9 are disposed on two sides of the high-low pressure controller 7, and the coal-cooling high-pressure meter 9 is close to one side of an outlet of the compressor 6.
In this embodiment, the compressor 6 is an inverter compressor, a check valve is installed on one side of the compressor through a branch pipe and used for fluorinating the compressor, the compressor 6 and the expansion valve 11 are connected with a controller, the controller is a PLC programmable controller, and the PLC programmable controller is electrically connected with a heating device to achieve multi-temperature adjustment of equipment.
In this embodiment, adjust the hydrologic cycle pipeline and be equipped with a plurality of group, a plurality of is adjusted the end of intaking of hydrologic cycle pipeline and is communicate with cold water pipeline, adjusts the return water section of thick bamboo 17 of hydrologic cycle pipeline and is connected with water tank 1, adjusts the hydrologic cycle pipeline and carries out the regulation of different temperatures to different equipment, has avoided the temperature control device that the temperature difference increases differently, reduces manufacturing cost and equipment area occupied.
In this embodiment, control valves are disposed at the ice water outlet 27, the hot water outlet 23 and the hot water return port 22 to control the water circulation.
In this embodiment, a temperature sensing probe 21 for detecting temperature is disposed on the heater 15, and a hot water outlet pressure gauge 20 is disposed on the side of the bypass line 19 close to the hot water outlet 23.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a novel temperature control machine of multiple temperature frequency conversion, includes the water tank and connects the hydrologic cycle device of water tank, and the water tank upper end is equipped with the moisturizing mouth and is used for adding the water yield in the water tank, is equipped with the liquid level floater in the water tank and is used for detecting the water tank water level, and the water tank side is equipped with the gap, and the gap leads to pipe and external intercommunication, and the water tank bottom is equipped with the outlet, and the pipe connection of outlet has valve, its characterized in that: the water circulation device comprises an ice water circulation pipeline and a water regulation circulation pipeline, the ice water circulation pipeline comprises a cold water pump and a refrigerating device, the water inlet end of the cold ice circulation pipeline pumps water in a water tank through the cold water pump and is refrigerated through the refrigerating device, the ice water circulation pipeline is divided into an ice water outlet and a water inlet of the water regulation circulation pipeline after passing through the refrigerating device, an outlet pressure gauge is arranged on the pipeline corresponding to the ice water outlet close to the refrigerating device, the water circulation is formed by the ice water outlet and an ice water return port on the water tank and is used for cooling equipment, the water regulation circulation pipeline comprises a water return cylinder and a heating device, cold water separated from the ice water circulation pipeline is connected with the heating device through the water return cylinder, cold water of the water return cylinder is heated to a heater through a hot water pump, hot water heated by the heater is converged with a bypass pipeline, the other end of the bypass, the upper end of the water return cylinder is provided with a hot water return port, a hot water outlet and the hot water return port form a water circulation for adjusting the temperature of equipment, a pipeline at the upper end of the water return cylinder is connected with a bypass electromagnetic valve, and the bypass electromagnetic valve is connected with the water tank through a water pipe.
2. The novel multi-temperature frequency conversion temperature control machine according to claim 1, characterized in that: the refrigerating device comprises an evaporator, a condenser and a compressor, wherein the evaporator, the condenser and the compressor form a refrigerant circulation loop, a drying filter and an expansion valve are sequentially arranged between the condenser and the evaporator, the compressor is communicated with a high-low pressure controller through a pipeline, a cold coal low pressure meter and a cold coal high pressure meter are arranged on two sides of the high-low pressure controller, and the cold coal high pressure meter is close to one side of an outlet of the compressor.
3. The novel multi-temperature frequency conversion temperature control machine according to claim 2, characterized in that: the compressor is a variable frequency compressor, one side of the compressor is provided with a one-way valve for fluoridizing the compressor through a branch pipe, the compressor and the expansion valve are connected with a controller, the controller is a PLC (programmable logic controller), and the PLC is electrically connected with the heating device.
4. The novel multi-temperature frequency conversion temperature control machine according to claim 1, characterized in that: the adjusting water circulation pipeline is provided with a plurality of groups, the water inlet ends of the adjusting water circulation pipelines are communicated with the cold water pipeline, and the water return cylinder of the adjusting water circulation pipeline is connected with the water tank.
5. The novel multi-temperature frequency conversion temperature control machine according to claim 1, characterized in that: control valves are arranged at the ice water outlet, the hot water outlet and the hot water return port.
6. The novel multi-temperature frequency conversion temperature control machine according to claim 1, characterized in that: the heater is provided with a temperature sensing probe for detecting temperature, and a pipeline at one side of the bypass pipeline close to the hot water outlet is provided with a hot water outlet pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920082249.XU CN209801879U (en) | 2019-01-18 | 2019-01-18 | Novel multi-temperature frequency conversion temperature control machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920082249.XU CN209801879U (en) | 2019-01-18 | 2019-01-18 | Novel multi-temperature frequency conversion temperature control machine |
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| Publication Number | Publication Date |
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| CN209801879U true CN209801879U (en) | 2019-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920082249.XU Active CN209801879U (en) | 2019-01-18 | 2019-01-18 | Novel multi-temperature frequency conversion temperature control machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114442690A (en) * | 2021-12-24 | 2022-05-06 | 江苏力普电子科技有限公司 | High-voltage frequency converter protection system based on temperature control function |
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2019
- 2019-01-18 CN CN201920082249.XU patent/CN209801879U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114442690A (en) * | 2021-12-24 | 2022-05-06 | 江苏力普电子科技有限公司 | High-voltage frequency converter protection system based on temperature control function |
| CN114442690B (en) * | 2021-12-24 | 2022-12-16 | 江苏力普电子科技有限公司 | High-voltage frequency converter protection system based on temperature control function |
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