CN220507147U - Cabinet air conditioner double-unit on-line control system - Google Patents
Cabinet air conditioner double-unit on-line control system Download PDFInfo
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- CN220507147U CN220507147U CN202321747848.1U CN202321747848U CN220507147U CN 220507147 U CN220507147 U CN 220507147U CN 202321747848 U CN202321747848 U CN 202321747848U CN 220507147 U CN220507147 U CN 220507147U
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- 238000004378 air conditioning Methods 0.000 claims abstract description 58
- 238000001704 evaporation Methods 0.000 claims abstract description 21
- 238000004891 communication Methods 0.000 claims abstract description 17
- 238000005485 electric heating Methods 0.000 claims abstract description 14
- 238000005057 refrigeration Methods 0.000 claims description 25
- 238000009423 ventilation Methods 0.000 description 14
- 230000008020 evaporation Effects 0.000 description 12
- 230000005494 condensation Effects 0.000 description 10
- 238000009833 condensation Methods 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 230000001276 controlling effect Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model discloses a cabinet air conditioner double-machine on-line control system which is used for controlling a two-way air conditioner refrigerating system and comprises an air conditioner electric control main board, an air conditioner electric control auxiliary board, a temperature sensor and a pressure switch; the air conditioner electric control main board is in communication connection with the air conditioner electric control auxiliary board; the compressor, the evaporating fan, the condensing fan and the electric heating pipe in the two paths of air conditioner refrigerating systems are respectively connected with the electric control main board of the air conditioner and the relay module on the electric control auxiliary board of the air conditioner; and a temperature sensor and a pressure switch in each air conditioner refrigerating system are respectively connected with signal input interfaces of an air conditioner electric control main board and an air conditioner electric control auxiliary board. The utility model can ensure the running reliability of the cabinet air conditioning system.
Description
Technical Field
The utility model relates to the field of air conditioning systems, in particular to a cabinet air conditioner double-unit on-line control system.
Background
The control cabinet of carrying equipment such as vehicle-mounted carrying equipment, vehicle-mounted carrying equipment and vehicle-mounted carrying equipment for carrying out tasks such as transportation, communication and detection are generally in an unattended automatic operation state, various electronic equipment in the cabinet is in an uninterrupted operation state throughout the year, in addition, the cabinet is usually designed to be in a sealed state, so that heat energy generated in the operation process of various electronic equipment can be accumulated in the cabinet, and in order to maintain the normal operation of the equipment, heat is exchanged outside the cabinet by means of a special air conditioner.
The cabinet air conditioner adopts the phase-change refrigeration principle to fully cool hot air in the cabinet, provides an ideal temperature environment for electronic equipment, isolates dust and corrosive gas in the external environment, prolongs the service life of electric elements, and ensures that the electric and electronic equipment works under the conditions of stable temperature and clean environment, thereby improving the working reliability of the electric equipment. In the existing cabinet air-conditioning technology, the air-conditioner is generally directly adopted for sealed refrigeration to achieve the aim of indoor and outdoor heat exchange of the cabinet, so that the air-conditioner needs to be operated for a long time, but the cabinet is unattended, and when the outdoor temperature is lower than the indoor temperature, the air-conditioner is still started. The air conditioner is started for a long time, so that the mechanical service life of the air conditioner is shortened, and a great amount of energy is wasted.
Therefore, on the premise of ensuring the normal operation of the carrying equipment, how to enable the cabinet air conditioner to operate in a scientific management system so as to achieve effective energy conservation is important. The device can automatically process various working conditions under an unmanned operation environment, ensure the normal operation of the air conditioner, protect main components of the air conditioner and ensure the normal operation of various components in the cabinet.
Moreover, the cabinet air conditioner considers reliability, and if only one main air conditioner is matched, the temperature in the cabinet cannot be ensured in case of faults.
Disclosure of Invention
The utility model provides a double-machine on-line control system of a cabinet air conditioner, which aims to solve the problems of poor energy saving performance and low reliability of the cabinet air conditioner in the prior art.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
an on-line control system of a cabinet air conditioner double-unit is used for controlling a two-way air conditioner refrigerating system and comprises an air conditioner electric control main board and an air conditioner electric control auxiliary board; the air conditioner electric control main board is in communication connection with the air conditioner electric control auxiliary board;
the power ends of the compressors in the two paths of air-conditioning refrigeration systems are in one-to-one correspondence with the air-conditioning electric control main board and the compressor relay modules on the air-conditioning electric control auxiliary board, the power ends of the evaporating fans in the two paths of air-conditioning refrigeration systems are in one-to-one correspondence with the air-conditioning electric control main board and the evaporating fan relay modules on the air-conditioning electric control auxiliary board, the power ends of the condensing fans in the two paths of air-conditioning refrigeration systems are in one-to-one correspondence with the air-conditioning electric control main board and the condensing fan relay modules on the air-conditioning electric control auxiliary board, and the power ends of the electric heating pipes in the two paths of air-conditioning refrigeration systems are in one-to-one correspondence with the electric heating pipe relay modules on the air-conditioning electric control main board and the air-conditioning electric control auxiliary board;
the system comprises an air conditioner refrigerating system, an air conditioner main board, an air conditioner electric control auxiliary board, a temperature sensor and a pressure switch, wherein the temperature sensor and the pressure switch are arranged in each air conditioner refrigerating system, the temperature sensor measures the return air temperature of an evaporator, the temperature of an evaporator coil and the outdoor temperature in the corresponding air conditioner refrigerating system, the pressure switch measures the hydraulic pressure in the corresponding air conditioner refrigerating system, the temperature sensors of the two air conditioner refrigerating systems are in one-to-one correspondence with the signal input interfaces of the air conditioner electric main board and the air conditioner electric control auxiliary board, and the pressure switches of the two air conditioner refrigerating systems are in one-to-one correspondence with the signal input interfaces of the air conditioner electric main board and the air conditioner electric control auxiliary board.
Further, the air conditioner electric control main board and the air conditioner electric control auxiliary board are in communication connection through a CAN bus.
Further, the temperature sensor configured in each air conditioning refrigeration system comprises a return air temperature sensor arranged on the air inlet side of the evaporator, a coil temperature sensor arranged on the coil of the evaporator and an outdoor temperature sensor arranged outdoors.
Furthermore, the air conditioner electric control main board and the air conditioner electric control auxiliary board are respectively connected with an external upper computer through signal I/O network ports in a communication way.
Furthermore, the air conditioner electric control main board and the air conditioner electric control auxiliary board are respectively connected with the control box through signal I/O interfaces.
The utility model adopts a main air-conditioning refrigerating system and a standby air-conditioning refrigerating system, and an air-conditioning electric control main board and an air-conditioning electric control auxiliary board. The air conditioner electric control main board and the air conditioner electric control auxiliary board mutually transmit information in a CAN communication mode, so that the operation modes are kept consistent, and the other air conditioner electric control main board and the air conditioner electric control auxiliary board are subjected to temperature setting, mode conversion and the like, and then the other air conditioner electric control main board and the air conditioner electric control auxiliary board are subjected to follow-up conversion. When the temperature difference in the cabinet is large, controlling the main air conditioner refrigerating system and the standby air conditioner refrigerating system to work simultaneously; when the temperature difference is smaller, one air-conditioning refrigerating system is controlled to stop, and when the temperature difference is zero, two air-conditioning refrigerating systems are controlled to stop completely and only the ventilation circulation is carried out; when one air-conditioning refrigerating system fails, the other air-conditioning refrigerating system is automatically put into operation.
The air conditioner electric control main board and the air conditioner electric control auxiliary board are respectively communicated with the upper computer through an Ethernet communication protocol, the running condition of an air conditioner in the cabinet can be mastered in real time through the upper computer, and a control instruction can be sent out in real time, so that the monitoring operation of the air conditioner in the cabinet is realized.
Compared with the prior art, the utility model has the advantages that:
1. the utility model ensures the running reliability of the cabinet air-conditioning system by designing a reliable refrigerating system and adopting control measures suitable for the refrigerating system.
2. The utility model adopts the main and standby modes to carry out hot backup, the double-machine on-line is realized, and the double-machine and single-machine work is automatically realized according to the temperature difference, thereby controlling the temperature in the cabinet, enhancing the reliability of the system and saving energy.
3. The utility model adopts a main mode and a standby mode to carry out hot backup, and the air conditioner electric control main board and the air conditioner electric control auxiliary board are connected through CAN communication and mutually transmit information, so that the connecting wires among units are reduced, 2 units are independent units, and the production, the test, the installation and the debugging are convenient.
4. The utility model adopts a main mode and a standby mode to carry out hot standby, takes the temperature sensed by a return air environment temperature sensor of one air conditioner refrigerating system as a running mode of the air conditioner, ensures that the running modes of 2 air conditioner refrigerating systems are consistent, and carries out temperature setting, mode conversion and the like on the main air conditioner refrigerating system or the standby air conditioner refrigerating system, and the other air conditioner refrigerating system immediately carries out conversion.
5. The units mutually transmit information through CAN communication, and when one air-conditioning refrigerating system fails, the other air-conditioning refrigerating system is automatically put into operation, so that the temperature in the cabinet is ensured to be controlled.
Drawings
Fig. 1 is a schematic structural diagram of a single-path air conditioning and refrigerating system in an embodiment of the utility model.
Fig. 2 is a schematic diagram of a control system according to an embodiment of the present utility model.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
The embodiment discloses a cabinet air conditioner double-unit on-line control system which is used for a cabinet air conditioner with a main air conditioner refrigerating system and a standby air conditioner refrigerating system. As shown in fig. 1, the main air conditioning refrigeration system and the standby air conditioning refrigeration system in the cabinet air conditioner have the same structure, and each air conditioning refrigeration system comprises a compressor 1, an evaporation fan 2, an evaporator 3, an expansion valve 4, a filter 5, a liquid reservoir 6, a condenser 7, a gas-liquid separator 8 and a condensation fan 9, wherein the outlet of the liquid reservoir 6 is led out of a pipeline to be connected with the inlet of the filter 5, the outlet of the filter 5 is connected with the inlet of the expansion valve 4 through a pipeline with a valve, the outlet of the expansion valve 4 is connected with the inlet of the evaporator 3 through a pipeline with a valve, the outlet of the evaporator 3 is connected with the inlet of the gas-liquid separator 8 through a pipeline, the outlet of the gas-liquid separator 8 is connected with the inlet of the compressor 1 through a pipeline, the outlet of the condenser 2 is connected with the inlet of the liquid reservoir 6 through a pipeline, thus forming a refrigerant cycle, the evaporation fan 2 is configured in the evaporator 3 for forming cold air, and the condensation fan 9 is configured in the condenser 2 for taking away heat of the condenser 2. And each air-conditioning refrigerating system is also respectively provided with an electric heating pipe for heating pipelines and other parts in the corresponding air-conditioning refrigerating system.
As shown in fig. 2, the control system of the embodiment includes an air conditioner electric control main board, an air conditioner electric control auxiliary board, and a return air temperature sensor a, a return air temperature sensor B, a coil temperature sensor a, a coil temperature sensor B, an outdoor temperature sensor a, an outdoor temperature sensor B, a pressure switch a, and a pressure switch B.
The air conditioner electric control main board is used for controlling the main air conditioner refrigerating system, and the return air temperature sensor A, the coil pipe temperature sensor A, the outdoor temperature sensor A and the pressure switch A are used for monitoring corresponding signals of the main air conditioner refrigerating system. Specifically, the signal output interface of the air conditioner electric control main board is connected with a compressor relay module A, an evaporation fan relay module A, a condensation fan relay module A and an electric heating pipe relay module A, and a compressor power end, an evaporation fan power end, a condensation fan power end and an electric heating pipe power end in the main air conditioner refrigerating system are in one-to-one correspondence with the compressor relay module A, the evaporation fan relay module A, the condensation fan relay module A and the electric heating pipe relay module A. The air return temperature sensor A is arranged on the air inlet side of an evaporator in the main air-conditioning refrigerating system and used for collecting air return temperature, the coil pipe temperature sensor A is arranged on a coil pipe of the evaporator in the main air-conditioning refrigerating system and used for collecting coil pipe temperature, the outdoor temperature sensor A is arranged outdoors and used for collecting outdoor temperature, the pressure switch A is connected to a pipeline between the evaporator and the gas-liquid separator in the main air-conditioning refrigerating system in a communicating way and used for collecting pressure signals, and the air return temperature sensor A, the coil pipe temperature sensor A, the outdoor temperature sensor A and the pressure switch A are respectively connected with different signal input interfaces of an air-conditioning electric control main board.
The air conditioner electric control auxiliary board is used for controlling the standby air conditioner refrigerating system, and the return air temperature sensor B, the coil pipe temperature sensor B, the outdoor temperature sensor B and the pressure switch B are used for monitoring corresponding signals of the standby air conditioner refrigerating system. Specifically, the signal output interface of the air conditioner electric control auxiliary board is connected with a compressor relay module B, an evaporation fan relay module B, a condensation fan relay module B and an electric heating pipe relay module B, and a compressor power end, an evaporation fan power end, a condensation fan power end and an electric heating pipe power end in the standby air conditioner refrigerating system are in one-to-one correspondence with the compressor relay module B, the evaporation fan relay module B, the condensation fan relay module B and the electric heating pipe relay module B. The air return temperature sensor B is arranged on the air inlet side of an evaporator in the standby air conditioner refrigerating system and used for collecting air return temperature, the coil pipe temperature sensor B is arranged on a coil pipe of the evaporator in the standby air conditioner refrigerating system and used for collecting coil pipe temperature, the outdoor temperature sensor B is arranged outdoors and used for collecting outdoor temperature, the pressure switch B is communicated and connected to a pipeline between the evaporator and the gas-liquid separator in the standby air conditioner refrigerating system and used for collecting pressure signals, and the air return temperature sensor B, the coil pipe temperature sensor B, the outdoor temperature sensor B and the pressure switch B are respectively connected with different signal input interfaces of the air conditioner electric control auxiliary plate.
The air conditioner electric control main board is in communication connection with the air conditioner electric control auxiliary board through a CAN bus. The signal I/O network ports of the air conditioner electric control main board and the air conditioner electric control auxiliary board are respectively connected with the network cable sockets of the upper computer. The signal I/O interfaces of the air conditioner electric control main board and the air conditioner electric control auxiliary board are respectively connected with a control box.
The air conditioner electric control main board carries out logic judgment processing on an input signal of a return air temperature sensor A which is accessed to the air conditioner electric control main board, and the output interface of the air conditioner electric control main board is output through a compressor relay module A, an evaporation fan relay module A, a condensation fan relay module A and an electric heating relay module A. And similarly, the air conditioner electric control auxiliary board carries out logic judgment processing on an input signal of a return air temperature sensor B connected to the air conditioner electric control auxiliary board, and outputs the input signal through an output interface of a compressor relay module B, an evaporation fan relay module B, a condensation fan relay module B and an electric heating relay module B on the air conditioner electric control auxiliary board.
When the return air temperature sensor A on the air conditioner electric control main board detects that the return air temperature T1 in the main air conditioner refrigerating system is more than or equal to 32 ℃, the main air conditioner refrigerating system and the standby air conditioner refrigerating system refrigerate simultaneously; when the return air temperature sensor A on the air conditioner electric control main board detects that the return air temperature T1 of the main air conditioner is less than or equal to 26 ℃, the standby air conditioner refrigerating system is stopped; when the return air temperature sensor A on the air conditioner electric control main board detects that the return air temperature T1 = 22 ℃ of the main air conditioner refrigerating system, the main air conditioner refrigerating system stops refrigerating and is changed into ventilation circulation.
When the return air temperature sensor A on the air conditioner electric control main board detects that the return air temperature T1 of the main air conditioner refrigerating system is less than or equal to 0 ℃, the main air conditioner refrigerating system and the standby air conditioner refrigerating system heat at the same time; when the return air temperature sensor A on the air conditioner electric control main board detects that the return air temperature T1 of the main air conditioner refrigerating system is more than or equal to 4 ℃, the standby air conditioner refrigerating system stops; when the return air temperature sensor A on the air conditioner electric control main board detects that the return air temperature T1 = 10 ℃ of the main air conditioner refrigerating system, the main air conditioner refrigerating system stops heating and is changed into ventilation circulation.
When the pressure of the main air-conditioning refrigerating system is too low, the pressure switch A is disconnected, and when the air-conditioning electric control main board detects that the pressure switch A is disconnected, the compressor relay module A and the condensing fan relay module A on the air-conditioning electric control main board are used for outputting, so that the compressor and the condensing fan in the main air-conditioning refrigerating system stop working, and the evaporating fan in the main air-conditioning refrigerating system continues working to display fault codes. And the information is transmitted through CAN communication, and the standby air conditioner refrigerating system is started.
When the pressure of the standby air conditioner refrigerating system is too low, the pressure switch B is disconnected, and when the air conditioner electric control auxiliary board detects that the pressure switch B is disconnected, the interfaces of the compressor relay module B and the condensing fan relay module B on the air conditioner electric control auxiliary board are used for outputting, so that a compressor and the condensing fan in the standby air conditioner refrigerating system stop working, and an evaporating fan in the standby air conditioner refrigerating system continues working to display fault codes. And the main air conditioner refrigerating system is started by transmitting information through CAN communication.
When the temperature sensed by a coil temperature sensor A arranged on an evaporator coil in the main air-conditioning refrigerating system is less than or equal to minus 5 ℃, the compressor and the condensing fan in the main air-conditioning refrigerating system stop working through a compressor relay module A and a condensing fan relay module A on the electric control main board, the evaporating fan in the main air-conditioning refrigerating system continues working, fault codes are displayed, information is transmitted through CAN communication, and the standby air-conditioning refrigerating system is started.
When the temperature sensed by a coil temperature sensor B arranged on an evaporator coil in the standby air conditioner refrigerating system is less than or equal to minus 5 ℃, the compressor and the condensing fan in the standby air conditioner refrigerating system stop working through a compressor relay module B and a condensing fan relay module B on the electric control auxiliary board, the evaporating fan in the standby air conditioner refrigerating system continues working, fault codes are displayed, information is transmitted through CAN communication, and the main air conditioner refrigerating system is started.
By adopting the hot backup of the main air conditioner and the standby air conditioner, the double-machine is connected, the double-machine and the single-machine work can be automatically realized according to the temperature difference,
the unit is connected through CAN communication, so that the unit CAN mutually transmit information, the temperature sensed by the return air environment temperature sensor of the main air conditioner refrigerating system is used as the running mode of the air conditioner, the running mode of the 2 paths of air conditioner refrigerating systems is consistent, whether the main air conditioner refrigerating system or the standby air conditioner refrigerating system is subjected to temperature setting, mode conversion and the like, the other path of air conditioner refrigerating system immediately follows the conversion, and when one path of air conditioner refrigerating system fails, the other path of air conditioner refrigerating system is automatically put into operation, the temperature in a cabinet is controlled, and the reliability of the system is enhanced.
The operation mode of this embodiment is as follows:
a) Full-automatic operation: the air conditioner is electrified, the main air conditioner and the standby air conditioner automatically operate, and T1 is set as the return air temperature of the main air conditioner.
1) When T1 is more than or equal to 32 ℃, high-wind refrigeration is started; (double-unit refrigeration).
When T1 is reduced to 26 ℃, high wind refrigeration is carried out; (single unit refrigeration).
Stopping refrigeration until t1=22 ℃, and switching to high-wind ventilation;
2) When T1 is less than or equal to 0 ℃, starting high wind strong heat; (double units).
When T1 rises to 4 ℃, the temperature is changed into high wind and weak heat; (Single set).
Heating was stopped until t1=10 ℃, and the ventilation was switched to high-wind ventilation.
b) And (3) manually operating: the operation mode can be selected by manual operation through the upper computer or the local control box, and the single machine or the double machines can be operated.
When the double units are started:
1) Cooling mode: when T1 is more than or equal to T0+4 ℃, starting high-wind refrigeration; (double-unit refrigeration).
When T1 is more than or equal to T0+2 ℃, high-wind refrigeration is carried out; (single unit refrigeration).
When t1=t0 ℃, the cooling is stopped and the ventilation is changed into high-wind ventilation.
2) Heating mode: when T1 is less than or equal to T0-2 ℃, starting high wind strong heat; (single unit heating).
When T1 is less than or equal to T0-4 ℃, high wind and strong heat are generated; (double unit heating).
When t0=t1 ℃, conversion to high wind ventilation occurs.
3) Ventilation mode: the evaporation wind speed is not regulated, and the wind is high by default.
When the single machine set is started:
1) Cooling mode: when T1 is more than or equal to T0+2 ℃, starting high-wind refrigeration; (single unit refrigeration).
When t1=t0 ℃, the cooling is stopped and the ventilation is changed into high-wind ventilation.
2) Heating mode: when T1 is less than or equal to T0-2 ℃, starting high wind strong heat; (single unit heating).
When t0=t1 ℃, conversion to high wind ventilation occurs.
3) Ventilation mode: the evaporation wind speed is not regulated, and the wind is high by default.
The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, and the examples described herein are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the spirit and scope of the present utility model. The individual technical features described in the above-described embodiments may be combined in any suitable manner without contradiction, and such combination should also be regarded as the disclosure of the present disclosure as long as it does not deviate from the idea of the present utility model. The various possible combinations of the utility model are not described in detail in order to avoid unnecessary repetition.
The present utility model is not limited to the specific details of the above embodiments, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the protection scope of the present utility model without departing from the scope of the technical concept of the present utility model, and the technical content of the present utility model is fully described in the claims.
Claims (5)
1. The on-line control system for the cabinet air conditioner double-machine is used for controlling a two-way air conditioner refrigerating system and is characterized by comprising an air conditioner electric control main board and an air conditioner electric control auxiliary board; the air conditioner electric control main board is in communication connection with the air conditioner electric control auxiliary board;
the power ends of the compressors in the two paths of air-conditioning refrigeration systems are in one-to-one correspondence with the air-conditioning electric control main board and the compressor relay modules on the air-conditioning electric control auxiliary board, the power ends of the evaporating fans in the two paths of air-conditioning refrigeration systems are in one-to-one correspondence with the air-conditioning electric control main board and the evaporating fan relay modules on the air-conditioning electric control auxiliary board, the power ends of the condensing fans in the two paths of air-conditioning refrigeration systems are in one-to-one correspondence with the air-conditioning electric control main board and the condensing fan relay modules on the air-conditioning electric control auxiliary board, and the power ends of the electric heating pipes in the two paths of air-conditioning refrigeration systems are in one-to-one correspondence with the electric heating pipe relay modules on the air-conditioning electric control main board and the air-conditioning electric control auxiliary board;
the system comprises an air conditioner refrigerating system, an air conditioner main board, an air conditioner electric control auxiliary board, a temperature sensor and a pressure switch, wherein the temperature sensor and the pressure switch are arranged in each air conditioner refrigerating system, the temperature sensor measures the return air temperature of an evaporator, the temperature of an evaporator coil and the outdoor temperature in the corresponding air conditioner refrigerating system, the pressure switch measures the hydraulic pressure in the corresponding air conditioner refrigerating system, the temperature sensors of the two air conditioner refrigerating systems are in one-to-one correspondence with the signal input interfaces of the air conditioner electric main board and the air conditioner electric control auxiliary board, and the pressure switches of the two air conditioner refrigerating systems are in one-to-one correspondence with the signal input interfaces of the air conditioner electric main board and the air conditioner electric control auxiliary board.
2. The cabinet air conditioner on-line control system according to claim 1, wherein the air conditioner electric control main board and the air conditioner electric control auxiliary board are in communication connection through a CAN bus.
3. The cabinet air conditioner on-line control system according to claim 1, wherein the temperature sensor disposed in each air conditioner refrigerating system comprises a return air temperature sensor disposed on the air inlet side of the evaporator, a coil temperature sensor disposed on the evaporator coil, and an outdoor temperature sensor disposed outdoors.
4. The on-line control system of a cabinet air conditioner of claim 1, wherein the air conditioner electric control main board and the air conditioner electric control auxiliary board are respectively connected with an external upper computer through signal I/O network ports.
5. The cabinet air conditioner on-line control system according to claim 1, wherein the air conditioner electric control main board and the air conditioner electric control auxiliary board are respectively connected with the control box through signal I/O interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321747848.1U CN220507147U (en) | 2023-07-05 | 2023-07-05 | Cabinet air conditioner double-unit on-line control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321747848.1U CN220507147U (en) | 2023-07-05 | 2023-07-05 | Cabinet air conditioner double-unit on-line control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220507147U true CN220507147U (en) | 2024-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321747848.1U Active CN220507147U (en) | 2023-07-05 | 2023-07-05 | Cabinet air conditioner double-unit on-line control system |
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| Country | Link |
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| CN (1) | CN220507147U (en) |
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2023
- 2023-07-05 CN CN202321747848.1U patent/CN220507147U/en active Active
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