CN203132235U - Speed regulating device of air-cooled condenser - Google Patents
Speed regulating device of air-cooled condenser Download PDFInfo
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- CN203132235U CN203132235U CN 201320057788 CN201320057788U CN203132235U CN 203132235 U CN203132235 U CN 203132235U CN 201320057788 CN201320057788 CN 201320057788 CN 201320057788 U CN201320057788 U CN 201320057788U CN 203132235 U CN203132235 U CN 203132235U
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- cooled condenser
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Abstract
The utility model discloses a speed regulating device of an air-cooled condenser. The speed regulating device of the air-cooled condenser comprises a control device and a temperature sensor, wherein the control device is connected with the air-cooled condenser and the temperature sensor respectively through a control cable. An operating mode automatic switching switch is arranged on the control device and corresponds to two operating modes, when the state of the switch is 'OFF', only a daytime operating mode is executed, and when the state of the switch is 'ON', automatic switching of the daytime operating mode and a night operating mode is executed according to a set time period. According to the speed regulating device of the air-cooled condenser, considering that the temperature at night is lower than that in day time, the condenser can meet the requirement of a refrigerating system under the condition of lower air quantity when being operated at night. Therefore, two control modes are added on the basis of frequency converting control, one is a daytime mode, and the other is a night mode. Curves of the rotational speed of air fans of the two control modes are different, and the noise generated when the air-cooled condenser operates in the night mode is lower than that generated when the air-cooled condenser operates in the daytime mode.
Description
Technical field
The utility model relates to the air-cooled condenser speed adjusting technique of Refrigeration ﹠ Air-Conditioning technical field, particularly a kind of air-cooled condenser arrangements for speed regulation.
Background technology
Because air-cooled condenser adopts fan to cool off, and unit is placed in the open air, and the unit condensing pressure is subjected to the influence of variation of ambient temperature easily, thereby makes the overall performance of refrigeration system be affected.The reduction of environment temperature will make condensing pressure descend, but condensing pressure crosses when low, and the pressure reduction before and after the heating power expansion valve reduces, and can cause evaporimeter feed flow deficiency, and refrigerating efficiency descends.Generally adopt the method for regulating air quantity according to the mode of condenser pressure control condenser fan startup quantity on the engineering.Under this control mode, every desk fan of condenser is all done and is decided frequency running, and the noise of generation is bigger, and condensing pressure is easy to generate than great fluctuation process, thereby influences the stability of refrigeration system overall performance.
Variable-frequency control technique is an emerging application technology of getting up along with Power Electronic Technique, microelectric technique and technical development of computer, have that control performance is good, operational efficiency is high, volume is little, convenience operation, particularly the controlling party mask at Pumps ﹠ Fans has good energy-saving effect.Along with the development of converter technique, increasing air-cooled condenser adopts frequency control way to control.When condenser fan adopted VFC, rotation speed of the fan was more high, and the noise of generation is also more big.Nearer freezer and the supporting condenser of large supermarket's freezing and refrigeration unit in the distance residential block has certain requirement to noise.Especially condenser if noise is excessive, will influence resident's normal life when moving night.
Summary of the invention
In order to overcome the problems referred to above of prior art, the utility model will design a kind of air-cooled condenser arrangements for speed regulation that can reduce noise at night.
To achieve these goals, the technical solution of the utility model is as follows: a kind of air-cooled condenser arrangements for speed regulation, comprise control device and temperature sensor, described control device is installed on the air-cooled condenser, described temperature sensor is installed on the condenser coil, and described control device is connected with temperature sensor with air-cooled condenser respectively by the control cable; Described control device is provided with the operational mode automatic transfer switch.
The corresponding two kinds of operational modes of operational mode automatic transfer switch described in the utility model when on off state is OFF, are only carried out the operational mode on daytime; When on off state is ON, according to the time period of setting carry out daytime operational mode and night operational mode automatic switchover.
Control device of the present utility model is set with two kinds of operational modes, the rotation speed of fan curve difference of two kinds of operational modes.During work, the temperature signal that the temperature transmitter in the control device will be installed in the temperature sensor transmission on the condenser coil is converted to the interior discernible signal of telecommunication of frequency converter of control device, by Frequency Converter Control air-cooled condenser rotation speed of the fan.
Speed regulating method of the present utility model may further comprise the steps:
A, control device start; Manually select operational mode automatic transfer switch state;
If the B on off state is OFF, then turn to step C; If on off state is ON, then turn to step D;
C, setting control device are the operational mode on daytime;
If the D on off state is ON, the time switch in the control device checks the time of running, if t1 and evening then turn to step e constantly between the t2 constantly in the morning the time of running; If constantly t2 and morning then turn to step F constantly between the t1 time of running at night;
E, control device automatically switch to the daytime operational mode up to t2 constantly in evening; Change step F;
F, control device automatically switch to the night operational mode up to t1 constantly in morning of next day; Change step e.
Compared with prior art, the utlity model has following beneficial effect:
1, the utility model adopts variable-frequency control technique, regulate condenser fan speed by the frequency converter in the control device, can effectively reduce the influence that ambient temperature is given refrigeration system, the stability of the refrigeration system that improves, and compare with traditional pressure switch control, reduced the condenser fan number of starts, thus the energy consumption of the whole refrigeration system that reduces.
2, the utility model considers that nighttime temperature is lower than the daytime, condenser can satisfy the requirement of refrigeration system under the situation of low air quantity when moving night, therefore increased by two kinds of control models on the VFC basis, a kind of is day mode, and a kind of is Night.The noise that produces when the rotation speed of fan curve difference of two kinds of control models, air-cooled condenser are moved under Night is lower than day mode.By increasing the operational mode at night, can limit the noise of condenser when moving night, be specially adapted to the place that noise is had relatively high expectations.
3, the client can select a kind of control model to move or carry out the switchover operation of two kinds of patterns according to self needs.If carry out the switchover operation of two kinds of control models, can set switching time according to the time switch in the control device, after control device moves to setting-up time, can carry out the automatic switchover of two kinds of control models.
Description of drawings
2 in the total accompanying drawing of the utility model, wherein:
Fig. 1 is structural representation of the present utility model.
Fig. 2 is control flow chart of the present utility model.
Among the figure: 1, control device, 2, temperature sensor, 3, air-cooled condenser, 4, condenser coil.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further.As shown in Figure 1, a kind of air-cooled condenser 3 arrangements for speed regulation, comprise control device 1 and temperature sensor 2, described control device 1 is installed on the air-cooled condenser 3, described temperature sensor 2 is installed on the condenser coil 4, and described control device 1 is connected with temperature sensor 2 with air-cooled condenser 3 respectively by the control cable; Described control device 1 is provided with the operational mode automatic transfer switch.
The corresponding two kinds of operational modes of operational mode automatic transfer switch described in the utility model when on off state is OFF, are only carried out the operational mode on daytime; When on off state is ON, according to the time period of setting carry out daytime operational mode and night operational mode automatic switchover.
Control device 1 of the present utility model is set with two kinds of operational modes, the rotation speed of fan curve difference of two kinds of operational modes.During work, the temperature transmitter in the control device 1 will be installed in temperature signal that the temperature sensor 2 on the condenser coil 4 transmits and be converted to the discernible signal of telecommunication of frequency converter in the control device 1, by Frequency Converter Control air-cooled condenser 3 rotation speeds of the fan.
As shown in Figure 2, speed regulating method of the present utility model may further comprise the steps:
A, control device 1 start; Manually select operational mode automatic transfer switch state;
If the B on off state is OFF, then turn to step C; If on off state is ON, then turn to step D;
C, setting control device 1 are the operational mode on daytime;
If the D on off state is ON, the time switch in the control device 1 checks the time of running, if t1 and evening then turn to step e constantly between the t2 constantly in the morning the time of running; If constantly t2 and morning then turn to step F constantly between the t1 time of running at night;
E, control device 1 automatically switch to the daytime operational mode up to t2 constantly in evening; Change step F;
F, control device 1 automatically switch to the night operational mode up to t1 constantly in morning of next day; Change step e.
Specific implementation method of the present utility model is that the temperature sensor 2 with described control device 1 is fixed on air-cooled condenser 3 coil pipes, and with insulation material temperature sensor 2 is bandaged, so that temperature sensor 2 can accurately measure refrigerant temperatures in the air-cooled condenser 3.The temperature signal that frequency converter in the control device 1 is gathered according to temperature sensor 2 is controlled the incoming frequency of air-cooled condenser 3 blower fans, thereby regulates the air quantity of air-cooled condenser 3.
Control device 1 of the present utility model is provided with two kinds of operational modes, and a kind of is the operational mode on daytime, and a kind of is the operational mode at night, by the rotation speed of fan curve under two kinds of operational modes of frequency converter setting.Control device 1 inside is provided with the operational mode automatic transfer switch, the automatic switchover operation that is used for selecting a kind of operational mode operation or selects two kinds of operational modes.
Move if do not need air-cooled condenser 3 blower fans to automatically switch according to two kinds of operational modes, specific implementation method is: the operational mode automatic transfer switch is put OFF, and behind the startup control device 1, air-cooled condenser 3 blower fans will move according to the speed curves under the day mode.
If need air-cooled condenser 3 to move according to control device 1 setting-up time automatic switchover mode, specific implementation method is: the operational mode automatic transfer switch is put ON, set the switching time of two kinds of operational modes by the time switch in the control device 1, be set at 8:00 and 20:00 switching time respectively when control device 1 dispatched from the factory, namely 8:00 ~ 20:00 in the time period air-cooled condenser 3 blower fans move according to day mode, 20:00 ~ next day 8:00 in the time period air-cooled condenser 3 blower fans move according to Night.Configure operational mode after switching time, start control device 1, if start-up time, air-cooled condenser 3 moved to 20:00 according to the day mode operation at 8:00 ~ 20:00, control device 1 carries out operational mode and switches, air-cooled condenser 3 blower fans move according to Night, move to 8:00 next day, and control device 1 carries out control model and switches, air-cooled condenser 3 blower fans move according to day mode, so circulation; If start-up time is at 20:00 ~ 8:00, air-cooled condenser 3 moves according to Night, move to 8:00, control device 1 carries out operational mode and switches, air-cooled condenser 3 blower fans move according to day mode, move to 20:00, and control device 1 carries out control model and switches, air-cooled condenser 3 blower fans move according to Night, so circulation.
Claims (2)
1. air-cooled condenser arrangements for speed regulation, comprise control device (1) and temperature sensor (2), described control device (1) is installed on the air-cooled condenser (3), described temperature sensor (2) is installed on the condenser coil (4), and described control device (1) is connected with temperature sensor (2) with air-cooled condenser (3) respectively by the control cable; It is characterized in that: described control device (1) is provided with the operational mode automatic transfer switch.
2. a kind of air-cooled condenser arrangements for speed regulation according to claim 1 is characterized in that: the corresponding two kinds of operational modes of described operational mode automatic transfer switch, when on off state is OFF, only carry out the operational mode on daytime; When on off state is ON, according to the time period of setting carry out daytime operational mode and night operational mode automatic switchover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320057788 CN203132235U (en) | 2013-01-31 | 2013-01-31 | Speed regulating device of air-cooled condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320057788 CN203132235U (en) | 2013-01-31 | 2013-01-31 | Speed regulating device of air-cooled condenser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203132235U true CN203132235U (en) | 2013-08-14 |
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ID=48940208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320057788 Expired - Lifetime CN203132235U (en) | 2013-01-31 | 2013-01-31 | Speed regulating device of air-cooled condenser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203132235U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508279A (en) * | 2016-01-14 | 2016-04-20 | 合肥天鹅制冷科技有限公司 | Condensate fan with multi-air-speed function |
| CN108195044A (en) * | 2018-01-02 | 2018-06-22 | 深圳市富源机电设备有限公司 | A kind of optimal control method of heat-exchange fan |
-
2013
- 2013-01-31 CN CN 201320057788 patent/CN203132235U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508279A (en) * | 2016-01-14 | 2016-04-20 | 合肥天鹅制冷科技有限公司 | Condensate fan with multi-air-speed function |
| CN108195044A (en) * | 2018-01-02 | 2018-06-22 | 深圳市富源机电设备有限公司 | A kind of optimal control method of heat-exchange fan |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: PANASONIC APPLIANCES COMPRESSOR (DALIAN) CO., LTD. Free format text: FORMER NAME: DALIAN SANYO COMPRESSOR CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 116600 Dalian economic and Technological Development Zone, Liaoning Pine Street, No. 8 Patentee after: PANASONIC APPLIANCES COMPRESSOR (DALIAN) CO.,LTD. Address before: 116033, No. 8 Pine Street, Jinzhou New District, Liaoning, Dalian Patentee before: DALIAN SANYO COMPRESSOR Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190624 Address after: 116600 No. 8 Songlan Street, Dalian Economic and Technological Development Zone, Liaoning Province Patentee after: PANASONIC REFRIGERATOR SYSTEM (DALIAN) CO.,LTD. Address before: 116600 No. 8 Songlan Street, Dalian Economic and Technological Development Zone, Liaoning Province Patentee before: PANASONIC APPLIANCES COMPRESSOR (DALIAN) CO.,LTD. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130814 |