CN220151562U - Frequency conversion energy-saving device - Google Patents
Frequency conversion energy-saving device Download PDFInfo
- Publication number
- CN220151562U CN220151562U CN202321453712.XU CN202321453712U CN220151562U CN 220151562 U CN220151562 U CN 220151562U CN 202321453712 U CN202321453712 U CN 202321453712U CN 220151562 U CN220151562 U CN 220151562U
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- China
- Prior art keywords
- frequency conversion
- heat conduction
- heat
- pump
- saving device
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 25
- 239000007788 liquid Substances 0.000 claims abstract description 46
- 238000001816 cooling Methods 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 238000005265 energy consumption Methods 0.000 abstract description 8
- 230000008859 change Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 7
- 230000000630 rising effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The utility model discloses an application frequency conversion energy-saving device, which comprises a heat utilization device, wherein one side of the heat utilization device is connected with a heat conduction assembly, at least two frequency conversion pumps are arranged on the heat conduction assembly, each frequency conversion pump is connected on the heat conduction assembly in parallel, the frequency conversion pump can control the flow of heat conduction oil entering the heat utilization device, one end of the heat conduction assembly is connected with a liquid inlet pipe, the heat conduction assembly is connected with a liquid outlet pipe through a liquid guide pipe, a cooling assembly is connected on the liquid guide pipe and used for cooling the heat conduction oil discharged by the heat utilization device, and the frequency conversion pumps are connected with a control box. The heat consumption requirement of the application frequency conversion energy-saving device through the heat consumption device can change along with time, after the frequency conversion motor is used for controlling the pump main body to adjust the working frequency and the output power of the pump main body according to actual requirements, thereby adjusting the flow of heat supply oil, avoiding excessive energy consumption and reducing energy consumption and operation cost.
Description
Technical Field
The utility model belongs to the technical field of heating equipment, and particularly relates to an application frequency conversion energy-saving device.
Background
When the heat utilization equipment is supplied with heat, the hot oil can be led into the heat utilization equipment by adopting a pump to heat the internal materials, the pump is a machine for sucking and discharging liquid, the liquid can be pumped out or pressed into a container, the liquid can be also lifted to a high place, and the pump is provided with a liquid inlet and a liquid outlet.
At present, the pumping with constant working power is generally adopted to guide hot oil into the heat utilization equipment in the existing heat utilization equipment heat supply system, but because the heating process of the heat utilization equipment to the internal materials is divided into a heating process, a constant temperature process and a cooling process after the quick completion, the heat required by the heating process, the constant temperature process and the cooling process after the quick completion is sequentially reduced, so that the pumping with constant working power always adopts the power working meeting the heating process to cause higher energy consumption.
Disclosure of Invention
The utility model aims to solve the defects in the prior art, and the device comprises a heat utilization device, wherein one side of the heat utilization device is connected with a heat conduction assembly, at least two variable frequency pumps are arranged on the heat conduction assembly, each variable frequency pump is connected in parallel with the heat conduction assembly, the variable frequency pump can control the flow of heat conduction oil entering the heat utilization device, one end of the heat conduction assembly is connected with a liquid inlet pipe, the heat conduction assembly is connected with a liquid outlet pipe through a liquid guide pipe, a cooling assembly is connected onto the liquid guide pipe, the cooling assembly is used for cooling the heat conduction oil discharged by the heat utilization device, and the variable frequency pumps are connected with a control box.
Preferably, a first control valve is connected between the liquid inlet pipe and the heat conduction assembly, a second control valve is connected between the liquid outlet pipe and the heat utilization device, a first three-way valve is connected between the liquid outlet pipe and the second control valve, and a second three-way valve is connected between the first three-way valve and the liquid outlet pipe.
Preferably, the heat conduction assembly comprises a heat conduction pipe, the heat conduction pipe is connected with the variable frequency pump, a first check valve and an expansion joint are arranged on the heat conduction pipe, and the first check valve and the expansion joint are positioned on two sides of the variable frequency pump.
Preferably, the variable frequency pump comprises a pump main body, wherein the pump main body is connected with a variable frequency motor, and the variable frequency motor is connected with a control box.
Preferably, the cooling assembly comprises a water cooling tank, a liquid inlet and a liquid outlet are formed in the water cooling tank, the liquid inlet is connected with the second control valve, and the liquid outlet is connected with the first three-way valve.
Preferably, a pressure detector is arranged between the expansion joint and the first check valve and between the expansion joint and the variable frequency pump.
Preferably, a water outlet pipe is connected above the water cooling tank, and a water inlet pipe is connected below the water cooling tank.
Preferably, a second check valve is arranged between the heat conduction assembly and the first control valve.
Preferably, the pressure detector is provided in plurality.
Preferably, the two input ends of the three-way valve are connected with the output end of the first control valve.
The technical scheme has the following advantages or beneficial effects:
according to the utility model, the heat consumption requirement of the heat utilization device can change along with time, and after the variable frequency motor is used for controlling the pump main body to adjust the working frequency, the working frequency and the output power of the pump main body can be adjusted according to the actual requirement, so that the flow of heat supply oil is adjusted, the excessive energy consumption is avoided, and the energy consumption and the running cost are reduced.
Drawings
FIG. 1 is a schematic diagram of an energy saving device using variable frequency according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a variable frequency pump in the variable frequency power saving device of FIG. 1;
fig. 3 is a diagram of the operating power of the variable frequency pump in the variable frequency energy saving device of fig. 1.
Legend description:
1. a heater is used; 2. a heat conducting component; 3. variable frequency pumping; 4. a liquid inlet pipe; 5. a catheter; 6. a liquid outlet pipe; 7. a cooling assembly; 8. a first control valve; 9. a second control valve; 10. a first three-way valve; 11. a three-way valve II; 12. a control box; 13. a second check valve; 201. a heat conduction pipe; 202. a first check valve; 203. an expansion joint; 204. a pressure detector; 31. a pump body; 32. a variable frequency motor; 71. a water cooling tank; 72. a liquid inlet; 73. a liquid outlet; 74. a water outlet pipe; 75. a water inlet pipe.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
as shown in fig. 1-3, the variable frequency energy-saving device comprises a heat utilization device 1, wherein one side of the heat utilization device 1 is connected with a heat conduction component 2, at least two variable frequency pumps 3 are arranged on the heat conduction component 2, each variable frequency pump 3 is connected in parallel with the heat conduction component 2, the variable frequency pumps 3 can control the flow of heat conduction oil entering the heat utilization device 1, one end of the heat conduction component 2 is connected with a liquid inlet pipe 4, the heat conduction component 2 is connected with a liquid outlet pipe 6 through a liquid guide pipe 5, a cooling component 7 is connected onto the liquid guide pipe 5, the cooling component 7 is used for cooling heat conduction oil discharged by the heat utilization device 1, and the variable frequency pumps 3 are connected with a control box 12; through adopting a plurality of frequency conversion pumps 3, can accelerate the efficiency of leading in heat conduction oil with the heater 1, through the controllable flow that gets into with the inside heat conduction oil of heater 1 of frequency conversion pump 3, adjust heat supply oil flow according to the demand, can cool off with the heat conduction oil of heater 1 exhaust through cooling module 7.
As shown in fig. 1, a first control valve 8 is further connected between the liquid inlet pipe 4 and the heat conducting component 2, a second control valve 9 is connected between the liquid outlet pipe 6 and the heat utilization device 1, a first three-way valve 10 is connected between the liquid outlet pipe 6 and the second control valve 9, a second three-way valve 11 is connected between the first three-way valve 10 and the liquid outlet pipe 6, a second check valve 13 is arranged between the heat conducting component 2 and the first control valve 8, and the input end of the second three-way valve 11 is connected with the output end of the first control valve 8; the second control valve 9 and the first three-way valve 10 can control whether the hot oil of the outflow heater 1 is cooled by the cooling assembly 7.
As shown in fig. 1, 2 and 3, the variable frequency pump 3 comprises a pump main body 31, the pump main body 31 is connected with a variable frequency motor 32, and the variable frequency motor 32 is connected with the control box 12; the variable frequency motor 32 is controlled by the control box 12 to work so as to drive the pump main body 31 to adjust the working frequency, because the temperature of the hot oil is unchanged, in order to accelerate the temperature rising during the temperature rising process, the control box 12 controls the output power of the variable frequency pump 3 to be 40-50HZ, the rotating speed and the output power of the motor are increased, the heat quantity entering the heater 1 is increased by controlling the increase of the flow quantity of the hot oil, the temperature rising is accelerated, in the constant temperature process, the control box 12 controls the output power of the variable frequency pump 3 to be 30-40HZ, the control box 12 controls the output power of the variable frequency pump 3 to be 30HZ during the temperature reducing process of the fast finishing heating, at the moment, the required heat quantity is less, the heat quantity can be reduced, the motor is driven by adopting the traditional fixed power supply frequency, the heat consumption of the heater 1 can change along with the time, the pumped oil supply quantity often exceeds the actual requirement, the energy waste is caused, and the working frequency and the output power of the pump main body 31 can be adjusted according to the actual requirement after the working frequency adjustment of the pump main body 31 is controlled by adopting the variable frequency motor 32, so that the surplus energy consumption and the running cost are avoided.
Embodiment two:
as shown in fig. 1, on the basis of the first embodiment, the present utility model provides a technical solution: the heat conduction assembly 2 comprises a heat conduction pipe 201, the heat conduction pipe 201 is connected with the variable frequency pump 3, a first check valve 202 and expansion joints 203 are arranged on the heat conduction pipe 201, the first check valve 202 and the expansion joints 203 are positioned on two sides of the variable frequency pump 3, pressure detectors 204 are arranged between the expansion joints 203 and the first check valve 202 and between the expansion joints 203 and the variable frequency pump 3, and the pressure detectors 204 are arranged in a plurality of ways; the heat conduction oil can be prevented from flowing backwards through the first check valve 202 and the second check valve 13, automatic control of unidirectional flow is realized, expansion joint 203 is adapted to expansion deformation of the pipeline caused by internal fluid temperature change, external environment temperature change, self weight of the pipeline, earthquake and other factors, so that the problems of cracking or joint loosening and the like caused by excessive expansion of the pipeline are avoided, and the pressure in the pipe can be monitored through pressure detector 204.
As shown in fig. 1, further, the cooling assembly 7 comprises a water cooling tank 71, a liquid inlet 72 and a liquid outlet 73 are arranged on the water cooling tank 71, the liquid inlet 72 is connected with the second control valve 9, the liquid outlet 73 is connected with the first three-way valve 10, a water outlet pipe 74 is connected above the water cooling tank 71, and a water inlet pipe 75 is connected below the water cooling tank 71; by closing the valve between the second control valve 9 and the first three-way valve 10, the hot oil flowing out can flow into the water cooling tank 71 through the liquid inlet 72 for cooling and recycling, and cooling water is continuously introduced into the water inlet pipe 75 and then flows out from the water outlet pipe 74, so that dynamic circulating cooling is achieved, and the cooling effect is enhanced.
Working principle: the variable frequency motor 32 is controlled to work through the control box 12 to drive the pump main body 31 to adjust the working frequency, because the temperature of the hot oil is unchanged, the speed and the output power of the motor are increased for accelerating the temperature rising during the temperature rising process, the heat quantity inside the heat utilization device 1 is increased by controlling the increase of the flow rate of the hot oil, the temperature rising is accelerated, the heat quantity is required in the temperature reducing process of heating after the quick completion is finished during the constant temperature process, the flow rate of the hot oil can be reduced, the motor is driven by adopting the traditional fixed power frequency, the heat utilization requirement of the heat utilization device 1 can change along with the change of time, so that the oil supply quantity of the pump always exceeds the actual requirement, the energy waste is caused, and the working frequency and the output power of the pump main body 31 can be adjusted according to the actual requirement after the variable frequency motor 32 is used for controlling the pump main body 31 to adjust the working frequency, thereby adjusting the flow rate of the hot oil supply, the surplus energy consumption is avoided, and the energy consumption and the running cost are reduced.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (10)
1. The utility model provides an use variable frequency economizer, includes with heat exchanger (1), its characterized in that, with heat exchanger (1) one side and heat conduction subassembly (2) are connected, be provided with two frequency conversion pumps (3) on heat conduction subassembly (2) at least, every frequency conversion pump (3) are parallelly connected on heat conduction subassembly (2), the steerable flow that gets into with inside conduction oil of heat exchanger (1) of frequency conversion pump (3), heat conduction subassembly (2) one end is connected with feed liquor pipe (4), heat conduction subassembly (2) are connected with drain pipe (6) through catheter (5), be connected with cooling module (7) on catheter (5), cooling module (7) are used for cooling with heat exchanger (1) exhaust conduction oil, frequency conversion pump (3) are connected with control box (12).
2. An application frequency conversion energy saving device according to claim 1, characterized in that: the liquid inlet pipe (4) is connected with the first control valve (8) between the heat conduction component (2), the second control valve (9) is connected between the liquid outlet pipe (6) and the heat utilization device (1), the first three-way valve (10) is connected between the liquid outlet pipe (6) and the second control valve (9), and the second three-way valve (11) is connected between the first three-way valve (10) and the liquid outlet pipe (6).
3. An application frequency conversion energy saving device according to claim 1, characterized in that: the heat conduction assembly (2) comprises a heat conduction pipe (201), the heat conduction pipe (201) is connected with the variable frequency pump (3), a first check valve (202) and an expansion joint (203) are arranged on the heat conduction pipe (201), and the first check valve (202) and the expansion joint (203) are located on two sides of the variable frequency pump (3).
4. An application frequency conversion energy saving device according to claim 1, characterized in that: the variable frequency pump (3) comprises a pump main body (31), wherein the pump main body (31) is connected with a variable frequency motor (32), and the variable frequency motor (32) is connected with a control box (12).
5. An application frequency conversion energy saving device according to claim 1, characterized in that: the cooling assembly (7) comprises a water cooling tank (71), a liquid inlet (72) and a liquid outlet (73) are formed in the water cooling tank (71), the liquid inlet (72) is connected with a second control valve (9), and the liquid outlet (73) is connected with a first three-way valve (10).
6. An application frequency conversion energy saving device according to claim 3, characterized in that: pressure detectors (204) are arranged between the telescopic joint (203) and the variable frequency pump (3) as well as between the first check valve (202).
7. An application frequency conversion energy saving device according to claim 5, characterized in that: the water cooling tank (71) top is connected with outlet pipe (74), water inlet pipe (75) are connected with to water cooling tank (71) below.
8. An application frequency conversion energy saving device according to claim 1, characterized in that: a second check valve (13) is arranged between the heat conduction component (2) and the first control valve (8).
9. An application frequency conversion energy saving device according to claim 6, characterized in that: the pressure detector (204) is provided with a plurality of pressure detectors.
10. An application frequency conversion energy saving device according to claim 2, characterized in that: the input end of the second three-way valve (11) is connected with the output end of the first control valve (8).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321453712.XU CN220151562U (en) | 2023-06-08 | 2023-06-08 | Frequency conversion energy-saving device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202321453712.XU CN220151562U (en) | 2023-06-08 | 2023-06-08 | Frequency conversion energy-saving device |
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Publication Number | Publication Date |
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CN220151562U true CN220151562U (en) | 2023-12-08 |
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Family Applications (1)
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CN202321453712.XU Active CN220151562U (en) | 2023-06-08 | 2023-06-08 | Frequency conversion energy-saving device |
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CN (1) | CN220151562U (en) |
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2023
- 2023-06-08 CN CN202321453712.XU patent/CN220151562U/en active Active
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