CN220379921U - Variable frequency adjusting device of screw central air conditioner unit - Google Patents
Variable frequency adjusting device of screw central air conditioner unit Download PDFInfo
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- CN220379921U CN220379921U CN202320822376.5U CN202320822376U CN220379921U CN 220379921 U CN220379921 U CN 220379921U CN 202320822376 U CN202320822376 U CN 202320822376U CN 220379921 U CN220379921 U CN 220379921U
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- screw compressor
- control module
- screw
- central air
- electrically connected
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- 238000004378 air conditioning Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 230000033228 biological regulation Effects 0.000 abstract description 4
- 239000003507 refrigerant Substances 0.000 description 6
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000011555 saturated liquid Substances 0.000 description 2
- 239000013526 supercooled liquid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Air Conditioning Control Device (AREA)
Abstract
The utility model discloses a variable frequency adjusting device of a screw type central air conditioner unit, which comprises a screw compressor, wherein the screw compressor is electrically connected with an adjusting device for adjusting the variable frequency of the screw type central air conditioner unit, the adjusting device comprises a frequency converter, a control module and an indoor temperature sensor, the control module is electrically connected with the screw compressor, the indoor temperature sensor is electrically connected with the control module, and the frequency converter is respectively electrically connected with the screw compressor and the control module, and the variable frequency adjusting device relates to the technical field of central air conditioners: the control module regulates and controls the frequency conversion of the screw compressor of the screw central air conditioner unit through the frequency converter, saves resources, simultaneously enables the screw compressor not to be started or stopped frequently, protects the screw compressor, prolongs the service life of equipment, reduces the power consumption through frequency conversion regulation in the use process, and saves the operation cost of customers.
Description
Technical Field
The utility model relates to the field of central air conditioners, in particular to a variable frequency adjusting device of a screw type central air conditioner unit.
Background
The central air conditioning system consists of one or more cold and heat source systems and a plurality of air conditioning systems, the screw central air conditioner is characterized in that a compressor is a screw compressor, the air conditioner compressor plays a role of compressing and driving a refrigerant in an air conditioner refrigerant loop, the air conditioner compressor is generally arranged in an outdoor unit, the refrigerant is pumped from a low-pressure area and then is compressed and sent to a high-pressure area for cooling and condensing, and then the heat is emitted to the air through a radiating fin, the refrigerant is also changed into a liquid state from a gas state, the pressure is increased, and in the running process of the screw central air conditioner unit, the screw compressor is inconvenient to adjust according to the indoor temperature and the use frequency range, so that the screw compressor can be started and stopped frequently, the load generated by the work of the screw compressor is increased, the running power consumption of the unit is increased, and the service life of the whole equipment is shortened
Therefore, the variable frequency adjusting device of the screw type central air conditioning unit is necessary.
Disclosure of Invention
The utility model aims to provide a variable frequency adjusting device of a screw central air conditioning unit, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the variable frequency adjusting device of the screw type central air conditioning unit comprises a screw compressor, wherein the screw compressor is electrically connected with an adjusting device for adjusting the variable frequency of the screw type central air conditioning unit.
In a preferred embodiment of the utility model, the regulating device comprises a frequency converter, a control module and an indoor temperature sensor, wherein the control module is electrically connected with the screw compressor, the indoor temperature sensor is electrically connected with the control module, and the frequency converter is respectively electrically connected with the screw compressor and the control module.
In a preferred embodiment of the present utility model, a water temperature sensor is electrically connected between the frequency converter and the control module.
In a preferred embodiment of the present utility model, the evaporator is electrically connected between the water temperature sensor and the screw compressor.
In a preferred embodiment of the utility model, a throttle valve is electrically connected between the evaporator and the frequency converter.
In a preferred embodiment of the utility model, the screw compressor is a variable frequency screw compressor with an adjustable frequency.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
The beneficial effects are that:
the control module regulates and controls the frequency conversion of the screw compressor of the screw central air conditioner unit through the frequency converter, saves resources, simultaneously enables the screw compressor not to be started or stopped frequently, protects the screw compressor, prolongs the service life of equipment, reduces the power consumption through frequency conversion regulation in the use process, and saves the operation cost of customers.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram of a frequency conversion adjusting device of a screw central air conditioning unit;
fig. 2 is a schematic flow chart of a variable frequency adjusting device of a screw type central air conditioning unit.
In the figure: the device comprises a regulating device 1, a screw compressor 100, an evaporator 200, a frequency converter 300, a control module 400, an indoor temperature sensor 500, a water temperature sensor 600 and a throttle valve 700.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
As shown in figures 1-2 of the drawings,
the device comprises a screw compressor 100, wherein the screw compressor 100 is electrically connected with an adjusting device 1 for adjusting the frequency conversion of the screw central air conditioning unit, a control module adjusts and controls the frequency conversion of the screw compressor of the screw central air conditioning unit through a frequency converter, resources are saved, the screw compressor is not required to be frequently started or stopped, the screw compressor is protected, the service life of equipment is prolonged, and in the use process, the power consumption is reduced and the running cost of a customer is saved through the frequency conversion adjustment;
the adjusting device 1 comprises a frequency converter 300, a control module 400 and an indoor temperature sensor 500, wherein the control module 400 is electrically connected with the screw compressor 100, the control module 400 is used for receiving an indoor temperature signal and adjusting according to the indoor temperature signal, the control module 400 adjusts the frequency range of the screw compressor 100 through the frequency converter 300, the control module 400 receives the indoor temperature signal and adjusts according to the indoor temperature signal, the indoor temperature signal is compared with a first temperature and a second temperature, when the indoor temperature signal is smaller than or equal to the first temperature, the screw compressor 100 increases the energy level, when the indoor temperature signal is larger than the second temperature, the screw compressor 100 decreases the energy level, the indoor temperature sensor 500 is electrically connected with the control module 400, the indoor temperature sensor 500 is used for detecting the indoor temperature signal and transmitting the indoor temperature signal to the control module 400, the special frequency converter 300 is configured, the frequency converter 300 is respectively and electrically connected with the screw compressor 100 and the control module 400, the frequency converter 300 is used for adjusting the operation frequency range of the screw compressor 100, the frequency conversion regulation and control range is 35-60hz, resources are saved, the screw compressor is not required to be frequently started and stopped, the screw compressor is protected, the service life of equipment is prolonged, in the use process, the water temperature sensor 600 is electrically connected between the frequency converter 300 and the control module 400 through frequency conversion regulation, the water temperature sensor 600 is used for converting the cooling water temperature into an electric signal, the evaporator 200 is electrically connected between the water temperature sensor 600 and the screw compressor 100, the evaporator 200 in a central air conditioner unit is used for utilizing liquid low-temperature refrigerant to be easily evaporated at low pressure, converted into vapor and absorbing the heat of the cooled medium, the purpose of refrigeration is achieved, the throttle valve 700 is electrically connected between the evaporator 200 and the frequency converter 300, the throttle valve 700 is controlled by the control module 400, and is used for throttling saturated liquid or supercooled liquid under condensation pressure in the condenser, then reducing the saturated liquid or supercooled liquid to evaporation pressure and evaporation temperature, and simultaneously adjusting the flow of refrigerant entering the evaporator according to the change of load, wherein the screw compressor 100 is a variable frequency screw compressor with adjustable frequency.
The working principle of the utility model is as follows: the control module 400 is electrically connected with the screw compressor 100, the indoor temperature sensor 500 is electrically connected with the control module 400, the frequency converter 300 is electrically connected with the screw compressor 100 and the control module 400 respectively, the water temperature sensor 600 is electrically connected between the frequency converter 300 and the control module 400, the evaporator 200 is electrically connected between the water temperature sensor 600 and the screw compressor 100, the throttle valve 700 is electrically connected between the evaporator 200 and the frequency converter 300, the screw compressor 100 is a variable-frequency screw compressor with adjustable frequency, the indoor temperature sensor 500 is used for detecting indoor temperature signals and transmitting the indoor temperature signals to the control module 400, the control module 400 receives the indoor temperature signals and adjusts the indoor temperature signals according to the indoor temperature signals, the indoor temperature signals are compared with the first temperature and the second temperature, when the indoor temperature signals are smaller than or equal to the first temperature, the screw compressor 100 increases the energy level, when the indoor temperature signals are larger than the second temperature, the control module 400 adjusts the frequency range of the screw compressor 100 through the frequency converter 300, the running power of a machine set is reduced, resources are saved, the screw compressor 100 is not required to be frequently started or stopped, the service life of the whole device is prolonged.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (5)
1. The variable frequency adjusting device of the screw central air conditioning unit comprises a screw compressor (100), and is characterized in that,
the screw compressor (100) is electrically connected with an adjusting device (1) for adjusting the frequency conversion of the screw central air conditioning unit;
the adjusting device (1) comprises a frequency converter (300), a control module (400) and an indoor temperature sensor (500), wherein the control module (400) is electrically connected with the screw compressor (100), the indoor temperature sensor (500) is electrically connected with the control module (400), and the frequency converter (300) is electrically connected with the screw compressor (100) and the control module (400) respectively.
2. The variable frequency adjusting device of the screw central air conditioning unit according to claim 1, wherein a water temperature sensor (600) is electrically connected between the frequency converter (300) and the control module (400).
3. The variable frequency adjustment device of a screw central air conditioning unit according to claim 2, characterized in that the evaporator (200) is electrically connected between the water temperature sensor (600) and the screw compressor (100).
4. A variable frequency control device for a screw central air conditioning unit according to claim 3, characterized in that a throttle valve (700) is electrically connected between the evaporator (200) and the frequency converter (300).
5. The variable frequency control device of a screw central air conditioning unit according to claim 1, characterized in that the screw compressor (100) is a variable frequency screw compressor with adjustable frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320822376.5U CN220379921U (en) | 2023-04-13 | 2023-04-13 | Variable frequency adjusting device of screw central air conditioner unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320822376.5U CN220379921U (en) | 2023-04-13 | 2023-04-13 | Variable frequency adjusting device of screw central air conditioner unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220379921U true CN220379921U (en) | 2024-01-23 |
Family
ID=89570687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320822376.5U Active CN220379921U (en) | 2023-04-13 | 2023-04-13 | Variable frequency adjusting device of screw central air conditioner unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220379921U (en) |
-
2023
- 2023-04-13 CN CN202320822376.5U patent/CN220379921U/en active Active
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