CN203848451U - Control system of variable-frequency dehumidifier - Google Patents
Control system of variable-frequency dehumidifier Download PDFInfo
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- CN203848451U CN203848451U CN201420112953.2U CN201420112953U CN203848451U CN 203848451 U CN203848451 U CN 203848451U CN 201420112953 U CN201420112953 U CN 201420112953U CN 203848451 U CN203848451 U CN 203848451U
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Abstract
The utility model discloses a control system of a variable-frequency dehumidifier, which comprises a compressor, a main control unit and a variable-frequency drive unit, wherein the main control unit comprises a first single-chip microcomputer and a coil pipe temperature sensor circuit, an exhaust temperature sensor circuit, an environment temperature sensor circuit and a drive circuit which are respectively connected to the first single-chip microcomputer by signals, an electronic expansion valve is connected to the drive circuit by signals, the variable-frequency drive unit comprises a second single-chip microcomputer, a rectification and PFC circuit and an inverter circuit and a switch power source circuit which are respectively connected to the rectification and PFC circuit, the switch power source circuit is connected to the main control unit by signals, the inverter circuit is connected to the compressor by signals, the second single-chip microcomputer is connected to the main control unit by signals, a sampling circuit is connected between the second single-chip microcomputer and the compressor, a PWM circuit is connected between the second single-chip microcomputer and the inverter circuit, and a four-way valve and a fan are connected to the second single-chip microcomputer by a relay circuit. The control system of the variable-frequency dehumidifier in the utility model can automatically adjust frequency, has low power consumption and can save energy.
Description
Technical field
The utility model relates to a kind of control circuit of dehumidifier, particularly the control system of frequency conversion dehumidifier.
Background technology
Dehumidifier is called again dehumidifier, generally can be divided into Domestic dehumidifying machine and the large class of industrial dehumidifier two, belongs to a little member in refrigeration air-conditioner family.Conventionally, dehumidifier is comprised of compressor, heat exchanger, fan, water container, casing and control circuit, described control circuit is generally MCU, described MCU is single-chip microcomputer, its operation principle is: by fan, by humid air suction machine, by heat exchanger, now airborne moisture content is condensed into the globule, process outside dry air discharge machine later, so circulation reduces indoor humidity.But current dehumidifier cannot regulate automatically, power consumption is large, cannot realize energy-conservation feature.
Utility model content
The purpose of this utility model be in order to solve above-mentioned the deficiencies in the prior art, provide a kind of and can automatically regulate, power consumption is low, have the control system of the frequency conversion dehumidifier of energy-saving effect.
To achieve these goals, the control system of the frequency conversion dehumidifier that the utility model is designed, comprise compressor, main control unit and variable frequency drive unit, described variable frequency drive unit respectively with compressor, main control unit signal connects, described main control unit comprises the first single chip circuit and the coil temperature sensor circuit being connected with the first single chip circuit signal respectively, exhaust gas temperature sensor circuit, environment temperature sensor circuit and drive circuit, on drive circuit, signal is connected with electric expansion valve, described variable frequency drive unit comprises second singlechip circuit, the rectification being connected with AC220V AC signal and pfc circuit and the inverter circuit and the switching power circuit that are connected with rectification and pfc circuit respectively, described switching power circuit is connected with main control unit signal, described inverter circuit is connected with signal compressor, second singlechip circuit is connected with main control unit serial port signal, and be connected with sample circuit between second singlechip circuit and compressor, between second singlechip circuit and inverter circuit, be connected with pwm circuit, described second singlechip circuit is connected with cross valve and fan by relay circuit.
For the ease of operation and debugging effect, on the first single chip circuit, go back signal and be connected with key circuit and debugging interface, on drive circuit, go back signal and be connected with liquid crystal display circuit and buzzer circuit.
For the ease of operation and debugging effect, on second singlechip circuit, go back signal and be connected with EEPROM storage chip and test interface.Above-mentioned EEPROM is the modifiable read-only storage of user (ROM), its can by higher than common voltage be used for wipe and reprogrammed (rewriting), therefore because EEPROM is technology well known to those skilled in the art, at this, be not described specifically.
The control system of the frequency conversion dehumidifier that the utility model obtains, thus according to the variation of testing environment temperature, coil temperature and delivery temperature, change frequency size, thus play the effect of automatic adjusting, reduce power consumption, there is energy-saving effect.
Accompanying drawing explanation
Fig. 1 is the integrated circuit structural principle block diagram of the present embodiment 1;
Fig. 2 is about the physical circuit theory diagram of variable frequency drive unit in the present embodiment 1;
Fig. 3 is about the physical circuit theory diagram of main control unit in the present embodiment 1;
Fig. 4 is about the physical circuit theory diagram of main control unit in the present embodiment 2;
Fig. 5 is about the physical circuit theory diagram of variable frequency drive unit in the present embodiment 3.
In figure: compressor 1, main control unit 3, variable frequency drive unit 2, the first single chip circuit 4, coil temperature sensor circuit 5, exhaust gas temperature sensor circuit 6, environment temperature sensor circuit 7, drive circuit 8, electric expansion valve 9, second singlechip circuit 10, rectification and pfc circuit 11, inverter circuit 12, switching power circuit 13, sample circuit 14, pwm circuit 15, cross valve 16, fan 17, key circuit 18, debugging interface 19, liquid crystal display circuit 20, buzzer circuit 21, EEPROM storage chip 22, test interface 23, relay circuit 24.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Embodiment 1:
As Fig. 1, Fig. 2, shown in Fig. 3, the control system of the frequency conversion dehumidifier that the present embodiment provides, comprise compressor 1, main control unit 3 and variable frequency drive unit 2, described variable frequency drive unit 2 respectively with compressor 1, main control unit 3 signals connect, described main control unit 3 comprises the first single chip circuit 4 and the coil temperature sensor circuit 5 being connected with the first single chip circuit 4 signals respectively, exhaust gas temperature sensor circuit 6, environment temperature sensor circuit 7 and drive circuit 8, on drive circuit 8, signal is connected with electric expansion valve 9, described variable frequency drive unit 2 comprises second singlechip circuit 10, the rectification being connected with AC220V AC signal and pfc circuit 11 and the inverter circuit 12 being connected with rectification and pfc circuit 11 respectively and switching power circuit 13, described switching power circuit 13 is connected with main control unit 3 signals, described inverter circuit 12 is connected with compressor 1 signal, second singlechip circuit 10 is connected with main control unit 3 serial port signals, and be connected with sample circuit 14 between second singlechip circuit 10 and compressor 1, between second singlechip circuit 10 and inverter circuit 12, be connected with pwm circuit 15, described second singlechip circuit 10 is connected with cross valve 16 and fan 17 by relay circuit 24.AC220V AC signal is undertaken signal after rectification and Active PFC by rectification and pfc circuit 11, one road signal carries out signal by inverter circuit 12 and is transferred to compressor 1, realize compressor 1 work, another routing switch power circuit 13 is controlled main control unit 3 work, now main control unit 3 passes through by coil temperature sensor circuit 5, exhaust gas temperature sensor circuit 6, each temperature signal that environment temperature sensor circuit 7 obtains, and control drive circuit 8 by the first single chip circuit 4, and be transferred to the second singlechip circuit 10 in variable frequency drive unit 2 through signal, second singlechip circuit 10 the most at last signal is transferred to fan 17, regulate the speed of fan 17.
Embodiment 2:
As shown in Figure 4, general configuration at the present embodiment is identical with embodiment 1, different is for handled easily and debugging, and more reasonable structure, on the first single chip circuit 4, go back signal and be connected with key circuit 18 and debugging interface 19, on drive circuit 8, go back signal and be connected with liquid crystal display circuit 20 and buzzer circuit 21.
Embodiment 3:
As shown in Figure 5, identical with embodiment 1 in the general configuration of the present embodiment, different is for handled easily and test, goes back signal and be connected with EEPROM storage chip 22 and test interface 23 on second singlechip circuit 10.
Claims (3)
1. the control system of a frequency conversion dehumidifier, comprise compressor (1), main control unit (3) and variable frequency drive unit (2), described variable frequency drive unit (2) respectively with compressor (1), main control unit (3) signal connects, it is characterized in that: described main control unit (3) comprises the first single chip circuit (4) and the coil temperature sensor circuit (5) being connected with the first single chip circuit (4) signal respectively, exhaust gas temperature sensor circuit (6), environment temperature sensor circuit (7) and drive circuit (8), at the upper signal of drive circuit (8), be connected with electric expansion valve (9), described variable frequency drive unit (2) comprises second singlechip circuit (10), the rectification being connected with AC220V AC signal and pfc circuit (11) and the inverter circuit (12) being connected with rectification and pfc circuit (11) respectively and switching power circuit (13), described switching power circuit (13) is connected with main control unit (3) signal, described inverter circuit (12) is connected with compressor (1) signal, second singlechip circuit (10) is connected with main control unit (3) serial port signal, and be connected with sample circuit (14) between second singlechip circuit (10) and compressor (1), between second singlechip circuit (10) and inverter circuit (12), be connected with pwm circuit (15), described second singlechip circuit (10) is connected with cross valve (16) and fan (17) by relay circuit (24).
2. the control system of frequency conversion dehumidifier according to claim 1, it is characterized in that: on the first single chip circuit (4), go back signal and be connected with key circuit (18) and debugging interface (19), on drive circuit (8), go back signal and be connected with liquid crystal display circuit (20) and buzzer circuit (21).
3. the control system of frequency conversion dehumidifier according to claim 1 and 2, is characterized in that: on second singlechip circuit (10), go back signal and be connected with EEPROM storage chip (22) and test interface (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420112953.2U CN203848451U (en) | 2014-03-13 | 2014-03-13 | Control system of variable-frequency dehumidifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420112953.2U CN203848451U (en) | 2014-03-13 | 2014-03-13 | Control system of variable-frequency dehumidifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203848451U true CN203848451U (en) | 2014-09-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420112953.2U Expired - Lifetime CN203848451U (en) | 2014-03-13 | 2014-03-13 | Control system of variable-frequency dehumidifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203848451U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017092511A1 (en) * | 2015-12-03 | 2017-06-08 | 珠海格力电器股份有限公司 | Humidity measurement method, device, and system for use in dehumidifier |
-
2014
- 2014-03-13 CN CN201420112953.2U patent/CN203848451U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017092511A1 (en) * | 2015-12-03 | 2017-06-08 | 珠海格力电器股份有限公司 | Humidity measurement method, device, and system for use in dehumidifier |
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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: NINGBO DEYE VARIABLE FREQUENCY TECHNOLOGY CO., LTD Free format text: FORMER NAME: NINGBO DEYE INVERTER CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 315806 Zhejiang Province, Ningbo city Beilun District Yongjiang Road No. 26 (Ningbo Deye frequency technology Limited by Share Ltd) Patentee after: NINGBO DEYE FREQUENCY TECHNOLOGY Co.,Ltd. Address before: 315806 Zhejiang Province, Ningbo city Beilun District Yongjiang Road No. 26 (Ningbo Deye Inverter Technology Co. Ltd.) Patentee before: NINGBO DEYE FREQUENCY CONVERSION TECHNOLOGY CO.,LTD. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 315806 Zhejiang city of Ningbo province Beilun Daqi Yongjiang Road No. 26 (Ningbo Deye Inverter Technology Co. Ltd.) Patentee after: NINGBO DEYE FREQUENCY CONVERSION TECHNOLOGY CO.,LTD. Address before: 315806 Zhejiang Province, Ningbo city Beilun District Yongjiang Road No. 26 (Ningbo Deye frequency technology Limited by Share Ltd) Patentee before: NINGBO DEYE FREQUENCY TECHNOLOGY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140924 |