CN112815687A - Air energy heat pump drying system with alarm function - Google Patents
Air energy heat pump drying system with alarm function Download PDFInfo
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- CN112815687A CN112815687A CN202110150673.5A CN202110150673A CN112815687A CN 112815687 A CN112815687 A CN 112815687A CN 202110150673 A CN202110150673 A CN 202110150673A CN 112815687 A CN112815687 A CN 112815687A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B15/00—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form
- F26B15/10—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions
- F26B15/12—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined
- F26B15/18—Machines or apparatus for drying objects with progressive movement; Machines or apparatus with progressive movement for drying batches of material in compact form with movement in a path composed of one or more straight lines, e.g. compound, the movement being in alternate horizontal and vertical directions the lines being all horizontal or slightly inclined the objects or batches of materials being carried by endless belts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
- F26B21/002—Drying-air generating units, e.g. movable, independent of drying enclosure heating the drying air indirectly, i.e. using a heat exchanger
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/008—Seals, locks, e.g. gas barriers or air curtains, for drying enclosures
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- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Drying Of Solid Materials (AREA)
- Control Of Washing Machine And Dryer (AREA)
Abstract
The invention discloses an air energy heat pump drying system with an alarm function; the system comprises an air energy heat pump system consisting of a circulating cooling water tank, a regulating circulating pump, an external condenser and a fan assembly; the system also comprises a central control host, a terminal control device, a rear end region server and an alarm system, wherein the terminal control device detects related parameters of the drying system, and the central control host comprehensively judges the related parameters so as to control the operation of the air energy heat pump system, transmit instructions to the terminal control device and realize the alarm function through the alarm system; meanwhile, the central control host and the terminal control equipment respectively upload the related information to the back end area server. The invention can detect the heat pump drying system, and then analyze and warn.
Description
Technical Field
The invention relates to the technical field related to heat exchange, in particular to an air energy heat pump drying system with an alarm function.
Background
As is known, the air source heat pump utilizes the energy in the air to generate heat energy, can provide different hot water requirements of a whole family at a large water quantity, a high water pressure and a constant temperature within 24 hours all day, and can consume the least energy to complete the water heater with the requirements. The air source heat pump can release cold air like an air conditioner while efficiently producing domestic hot water at home, meets the refrigeration requirement of a kitchen, can achieve the dehumidification effect in local spaces such as a balcony, a storage room and a garage, and prevents articles from going moldy and going bad or drying clothes quickly. As an energy-saving and environment-friendly heat supply mode, the air source heat pump receives more and more attention.
Through retrieval and discovery, the invention of application number CN201210274322.6 discloses an air source heat pump system, which comprises a compressor, a four-way reversing valve, a plate heat exchanger, a throttling device, an outdoor heat exchanger and a gas-liquid separator, wherein the compressor, the four-way reversing valve, the plate heat exchanger, the throttling device, the outdoor heat exchanger and the gas-liquid separator are sequentially connected along the circulation direction of a refrigerant to form a loop, a bypass pipe is connected in parallel with the outdoor heat exchanger, and a first capillary tube and an electromagnetic control valve are arranged on the bypass pipe.
The invention of application number CN201710694082.8 discloses a heat accumulating type solar coupling enhanced vapor injection type air source heat pump system and a control method thereof, wherein the system comprises an enhanced vapor injection compressor, a four-way reversing valve, a gas-liquid separator, a first electronic expansion valve, a second electronic expansion valve, an indoor heat exchanger, an outdoor heat exchanger, a hot water tank, an electric heater and related valves, and is characterized by further comprising a heat accumulator and a solar heat collector. When the ambient temperature is lower than the switching temperature in winter, the solar energy and the air source heat pump are coupled through the heat accumulator, and when the heat of the heat accumulator is insufficient, the heat pump heat accumulation process is started. In other seasons, the solar energy is directly used for producing hot water, thereby fully exerting the advantages of the solar energy. The heat accumulator is used as an auxiliary heat source of the air injection branch, so that the mass flow of the refrigerant in the air injection path and the heating capacity of the unit can be greatly increased, and the unit can still stably operate at low ambient temperature (such as lower than-20 ℃).
The invention with the application number of CN202010716140.4 discloses a low-temperature strong hot air source heat pump system, which comprises a compressor, an air-cooled condenser, a one-way valve component, a flash tank, an economizer, a water side heat exchanger and a gas-liquid separator; the air suction port of the compressor is connected with the gas-liquid separator, the exhaust port of the compressor is connected with the air-cooled condenser or the water-side heat exchanger through a four-way reversing valve, and the air supplement port of the compressor is connected with the air supplement loop and the liquid spraying loop; the air-cooled condenser is connected with the first-stage throttling electronic expansion valve through the one-way valve assembly; the first-stage throttling electronic expansion valve is connected with the flash tank through a drying filter A; the liquid outlet of the flash tank is connected with the main side inlet of the economizer, and the gas supplementing port of the flash tank is connected with the gas supplementing loop; the main side outlet of the economizer is respectively connected with the liquid spraying loop and the second-stage throttling electronic expansion valve; the second-stage throttle electronic expansion valve is connected with the economizer through a drying filter B, and the second-stage throttle electronic expansion valve is connected with the water side heat exchanger or the air-cooled condenser through a one-way valve assembly.
However, for the air source heat pump system, the heating capacity of the air source heat pump may be reduced during the drying process due to the large heat demand; the traditional air source heat pump lacks detection and warning in the operation process in the process of realizing heat exchange; therefore, the air source heat pump drying system with the alarm function is provided.
Disclosure of Invention
Therefore, in order to solve the above-mentioned disadvantages, the present invention provides an air-source heat pump drying system with an alarm function. The invention is realized as follows; when the air energy heat pump system operates, a temperature sensor, a transmission belt speed detector, a drying inlet detector, a drying outlet detector, a condenser internal temperature detector, a condenser inlet end pipeline detector and a circulating cooling water tank water level detector are started at the same time to realize the detection of relevant parameters at corresponding positions; then, the corresponding detection information is transmitted to an acquisition module, and is output to a control module after filtering amplification and analog-to-digital conversion, the control module is sent to a central control host through a communication module, and the central control host compares and analyzes the detection information so as to judge whether each link is in a normal working range; if the central control host is beyond the preset range, the central control host sends a fault instruction to the terminal control equipment, and the terminal control equipment controls the alarm system to give an alarm; the central control host controls the auxiliary electric heating assembly, the conveying belt, the adjusting circulating pump, the fan assembly and the air draft assembly according to conditions; meanwhile, the central control host and the terminal control equipment respectively upload the related information to the back end area server.
The invention is realized in such a way that an air energy heat pump drying system with an alarm function is constructed;
the system comprises an air energy heat pump system consisting of a circulating cooling water tank, a regulating circulating pump, an external condenser and a fan assembly, and realizes energy supply to a material drying system through heat transfer;
the system also comprises a central control host, a terminal control device, a rear end region server and an alarm system, wherein the terminal control device detects related parameters of the drying system, and the central control host comprehensively judges the related parameters so as to control the operation of the air energy heat pump system, transmit instructions to the terminal control device and realize the alarm function through the alarm system; meanwhile, the central control host and the terminal control equipment respectively upload the related information to the back end area server.
As an improvement of the technical scheme, the air source heat pump drying system with the alarm function is provided; the external condenser is provided with an interlayer outer shell, two groups of medium heat exchange input copper pipes are arranged in the interlayer outer shell, and the medium heat exchange input copper pipes are respectively spirally and overlappingly distributed in the interlayer outer shell; the lower end of the medium heat exchange input copper pipe is a medium inlet end, and the upper part of the medium heat exchange input copper pipe is a medium outlet end; the interlayer of the interlayer shell body is filled with heat insulation materials, and the upper end and the lower end of the interlayer shell body are respectively provided with an air draft assembly.
As an improvement of the technical scheme, the air source heat pump drying system with the alarm function is provided; the system also comprises a temperature sensor positioned in the cavity of the material drying system and used for monitoring the temperature in the cavity of the material drying system;
the system also comprises a conveying belt speed detector for detecting the speed of the conveying belt of the material drying system;
the system also comprises a drying inlet detector and a drying outlet detector which are positioned at the inlet and the outlet of the material drying system and are used for detecting the material inlet and outlet speed in the material drying system;
the system also comprises a condenser internal temperature detector which is arranged inside the condenser and used for detecting the internal temperature of the condenser;
the system also comprises a condenser inlet end pipeline detector which is arranged on the inlet and outlet pipes corresponding to the medium heat exchange input copper pipe and is used for detecting the temperature of the medium in the inlet and outlet end pipes of the condenser;
the system also comprises a circulating cooling water tank water level detector which is arranged in the circulating cooling water tank and is used for detecting the water level condition in the circulating cooling water tank;
the terminal control equipment comprises a control module, a touch and display module, a power supply module, a communication module, a storage module and an acquisition module; the signal input end of the acquisition module is respectively connected with a temperature sensor, a transmission belt speed detector, a drying inlet detector, a drying outlet detector, a condenser internal temperature detector, a condenser inlet end pipeline detector and a circulating cooling water tank water level detector;
the touch and display module, the power supply module, the communication module and the storage module are respectively connected with the touch and display module, the power supply module and the communication module; meanwhile, networking connection is achieved with the central control host and the rear-end-region server through the communication module.
As an improvement of the technical scheme, the air source heat pump drying system with the alarm function is provided; the terminal control equipment comprises an alarm control module; the alarm control module is connected with and controls the alarm system to work.
As an improvement of the technical scheme, the air source heat pump drying system with the alarm function is provided; the alarm control module comprises a transmitting part and a receiving part; the transmitting circuit is an oscillating circuit with two different frequencies, which consists of two 555 time-base circuits; when two ends of CK are short-circuited (a short-circuit type alarm probe signal), a first block (IC 1) 555 forms a low-frequency oscillation circuit, the frequency F1 is mainly determined by C1 and R2, and the 3 pins output a low-frequency signal with the frequency of F1; when the pin 3 of the IC1 outputs high level, the high frequency oscillation circuit formed by the second block (IC 2) 555 operates, and its oscillation frequency F2 is mainly determined by C3 and R4, and F2 is much larger than F1, so that the pin 3 of the IC2 outputs a pulse modulation signal of F2. The modulation signal generates a high-frequency modulation pulse on a power line through a driving circuit consisting of V1, T, C5 and C6, and the voltage of the high-frequency modulation pulse is selected by the transmission distance;
the receiving display circuit consists of a plurality of frequency identification circuits; when a high-frequency modulation pulse for alarming appears on a power line, a signal is sent to a pin 3 of a first frequency phase-locked loop module (IC 1) 567 through the transformation of a T1 step-up transformer and the amplitude limitation of current limiting resistors R1 and D1-D4, and a frequency identification circuit (R2 and C4) formed by the frequency phase-locked loops determines an identification frequency value. Then 8 pins at the output end of the IC1 can be connected with a low-frequency with the frequency of F1; one path of the output frequency is sent to a driving circuit consisting of V2 to drive a buzzer HD to work so as to generate sound alarm; the other path is sent to a second frequency identification circuit (IC 2); similarly, the values of R5 and C7 are adjusted to make the second frequency demodulation circuit receive and tune out the frequency of F1, then the output pin of (IC 2) is high, and L1 emits light to indicate that the direction of the emitting circuit is in alarm.
As an improvement of the technical scheme, the air source heat pump drying system with the alarm function is provided; the power module is also externally connected with a solar power supply system.
As an improvement of the technical scheme, the air source heat pump drying system with the alarm function is provided; the system is realized as follows; when the air energy heat pump system operates, a temperature sensor, a transmission belt speed detector, a drying inlet detector, a drying outlet detector, a condenser internal temperature detector, a condenser inlet end pipeline detector and a circulating cooling water tank water level detector are started at the same time to realize the detection of relevant parameters at corresponding positions; then, the corresponding detection information is transmitted to an acquisition module, and is output to a control module after filtering amplification and analog-to-digital conversion, the control module is sent to a central control host through a communication module, and the central control host compares and analyzes the detection information so as to judge whether each link is in a normal working range; if the central control host is beyond the preset range, the central control host sends a fault instruction to the terminal control equipment, and the terminal control equipment controls the alarm system to give an alarm; the central control host controls the auxiliary electric heating assembly, the conveying belt, the adjusting circulating pump, the fan assembly and the air draft assembly according to conditions; meanwhile, the central control host and the terminal control equipment respectively upload the related information to the back end area server.
The invention has the following advantages: the invention provides an air energy heat pump drying system with an alarm function by improvement, and the air energy heat pump drying system has the following improvements and advantages;
the air source heat pump system comprises an air source heat pump system consisting of a circulating cooling water tank, a regulating circulating pump, an external condenser and a fan assembly 8, and realizes energy supply to a material drying system through heat transfer. The system also comprises a central control host, a terminal control device, a rear end region server and an alarm system, wherein the terminal control device detects related parameters of the drying system, and the central control host comprehensively judges the related parameters so as to control the operation of the air energy heat pump system, transmit instructions to the terminal control device and realize the alarm function through the alarm system; meanwhile, the central control host and the terminal control equipment respectively upload the related information to the back end area server. The invention is realized as follows; when the air energy heat pump system operates, a temperature sensor, a transmission belt speed detector, a drying inlet detector, a drying outlet detector, a condenser internal temperature detector, a condenser inlet end pipeline detector and a circulating cooling water tank water level detector are started at the same time to realize the detection of relevant parameters at corresponding positions; then, the corresponding detection information is transmitted to an acquisition module, and is output to a control module after filtering amplification and analog-to-digital conversion, the control module is sent to a central control host through a communication module, and the central control host compares and analyzes the detection information so as to judge whether each link is in a normal working range; if the central control host is beyond the preset range, the central control host sends a fault instruction to the terminal control equipment, and the terminal control equipment controls the alarm system to give an alarm; the central control host controls the auxiliary electric heating assembly, the conveying belt, the adjusting circulating pump, the fan assembly and the air draft assembly according to conditions; meanwhile, the central control host and the terminal control equipment respectively upload the related information to the back end area server.
2, when the air-source heat pump drying system with the alarm function is implemented; as shown in fig. 2, the external condenser has an interlayer outer shell, two groups of medium heat exchange input copper pipes are arranged in the interlayer outer shell, and the medium heat exchange input copper pipes are respectively spirally and overlappingly distributed in the interlayer outer shell; the lower end of the medium heat exchange input copper pipe is a medium inlet end, and the upper part of the medium heat exchange input copper pipe is a medium outlet end; the interlayer of the interlayer shell is filled with heat insulation materials, and the interlayer shell has the advantage of good heat insulation effect; the upper end and the lower end of the interlayer shell are respectively provided with an air draft component, and air is blown into the drying system cavity by the air draft component in the operation process.
3, when the air-source heat pump drying system with the alarm function is implemented; the system also comprises a temperature sensor 4 positioned in the cavity of the material drying system and used for monitoring the temperature in the cavity of the material drying system;
the system also comprises a conveying belt speed detector for detecting the speed of the conveying belt of the material drying system;
the system also comprises a drying inlet detector and a drying outlet detector which are positioned at the inlet and the outlet of the material drying system and are used for detecting the material inlet and outlet speed in the material drying system;
the system also comprises a condenser internal temperature detector which is arranged inside the condenser and used for detecting the internal temperature of the condenser;
the system also comprises a condenser inlet end pipeline detector which is arranged on the inlet and outlet pipes corresponding to the medium heat exchange input copper pipe and is used for detecting the temperature of the medium in the inlet and outlet end pipes of the condenser;
the system also comprises a water level detector of the circulating cooling water tank, which is arranged inside the circulating cooling water tank and used for detecting the water level condition inside the circulating cooling water tank.
The terminal control equipment comprises a control module, a touch and display module, a power supply module, a communication module, a storage module and an acquisition module; the signal input end of the acquisition module is respectively connected with a temperature sensor, a transmission belt speed detector, a drying inlet detector, a drying outlet detector, a condenser internal temperature detector, a condenser inlet end pipeline detector and a circulating cooling water tank water level detector; the touch and display module, the power supply module, the communication module and the storage module are respectively connected with the touch and display module, the power supply module and the communication module; meanwhile, networking connection is achieved with the central control host and the rear-end-region server through the communication module.
5, when the air-source heat pump drying system with the alarm function is implemented; the terminal control equipment comprises an alarm control module; the alarm control module 25 is used for connecting and controlling the alarm system to work.
6, when the air-source heat pump drying system with the alarm function is implemented; as shown in fig. 5-6, the alarm control module 25 includes two parts, i.e., a transmitting part and a receiving part; the transmitting circuit is an oscillating circuit with two different frequencies, which consists of two 555 time-base circuits; when two ends of CK are short-circuited (a short-circuit type alarm probe signal), a first block (IC 1) 555 forms a low-frequency oscillation circuit, the frequency F1 is mainly determined by C1 and R2, and the 3 pins output a low-frequency signal with the frequency of F1; when the pin 3 of the IC1 outputs high level, the high frequency oscillation circuit formed by the second block (IC 2) 555 operates, and its oscillation frequency F2 is mainly determined by C3 and R4, and F2 is much larger than F1, so that the pin 3 of the IC2 outputs a pulse modulation signal of F2. The modulation signal generates a high-frequency modulation pulse on the power line through a driving circuit composed of V1, T, C5 and C6, and the voltage of the high-frequency modulation pulse is selected by the transmission distance. The receiving display circuit consists of a plurality of frequency identification circuits; when a high-frequency modulation pulse for alarming appears on a power line, a signal is sent to a pin 3 of a first frequency phase-locked loop module (IC 1) 567 through the transformation of a T1 step-up transformer and the amplitude limitation of current limiting resistors R1 and D1-D4, and a frequency identification circuit (R2 and C4) formed by the frequency phase-locked loops determines an identification frequency value. Then 8 pins at the output end of the IC1 can be connected with a low-frequency with the frequency of F1; one path of the output frequency is sent to a driving circuit consisting of V2 to drive a buzzer HD to work so as to generate sound alarm; the other path is sent to a second frequency identification circuit (IC 2); similarly, the values of R5 and C7 are adjusted to make the second frequency demodulation circuit receive and tune out the frequency of F1, then the output pin of (IC 2) is high, and L1 emits light to indicate that the direction of the emitting circuit is in alarm. The step-up transformer in fig. 5 and 6 uses a small audio transformer with a turn ratio of 1: 20. the drive tube V1 in fig. 5 is a BU506 power switch tube (output current is 500 mA). The capacitors with withstand voltage value larger than 400V must be selected from C5 and C6 in FIG. 5 and C1 and C2 in FIG. 6. CK in FIG. 1 is used for connecting an alarm probe; and the HD selects a finished buzzer with the voltage of 5V.
7, when the air-source heat pump drying system with the alarm function is implemented; the power module also externally connects to a solar power system 26.
Drawings
FIG. 1 is a schematic diagram of an embodiment of an air-source heat pump drying system according to the present invention;
FIG. 2 is a schematic diagram of an embodiment of the external condenser of the present invention;
3-4 are corresponding system structure block diagrams of the terminal control device in the invention;
fig. 5-6 are corresponding transmitting and receiving display circuit diagrams of the alarm control module of the invention.
Wherein: the device comprises a drying system feeding port 1, an auxiliary electric heating assembly 2, a transmission belt 3, a temperature sensor 4, a circulating cooling water tank 5, an adjusting circulating pump 6, an external condenser 7, an interlayer outer shell 7A, a medium heat exchange input copper pipe 7B, an air draft assembly 7C, a fan assembly 8, a central control host 9, a terminal control device 10, a rear end region server 11, an alarm system 12, a transmission belt speed detector 13, a drying inlet detector 14, a drying outlet detector 15, a condenser internal temperature detector 16, a condenser inlet end pipeline detector 17, a circulating cooling water tank water level detector 18, a control module 19, a touch and display module 20, a power module 21, a communication module 22, a storage module 23, an acquisition module 24, an alarm control module 25 and a solar power supply system 26.
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 6, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides an air energy heat pump drying system with an alarm function by improvement, as shown in figures 1-6, which can be implemented as follows; the system comprises an air energy heat pump system consisting of a circulating cooling water tank 5, an adjusting circulating pump 6, an external condenser 7 and a fan assembly 8, and realizes energy supply to a material drying system through heat transfer. The system also comprises a central control host 9, a terminal control device 10, a rear end region server 11 and an alarm system 12, wherein the terminal control device 10 detects relevant parameters of the drying system, the central control host 9 comprehensively judges the relevant parameters so as to control the operation of the air energy heat pump system, and simultaneously transmits instructions to the terminal control device 10, and the terminal control device 10 realizes the alarm function through the alarm system 12; meanwhile, the central control host 9 and the terminal control device 10 respectively upload the relevant information to the backend area server 11.
When the air source heat pump drying system with the alarm function is implemented; as shown in fig. 2, the external condenser 7 has an interlayer outer shell 7A, two groups of medium heat exchange input copper pipes 7B are arranged in the interlayer outer shell 7A, and the medium heat exchange input copper pipes 7B are respectively spirally and overlappingly distributed in the interlayer outer shell 7A; the lower end of the medium heat exchange input copper pipe 7B is a medium inlet end, and the upper part is a medium outlet end; the interlayer of the interlayer outer shell 7A is filled with heat insulation materials, and the interlayer outer shell has the advantages of good heat insulation effect; the upper end and the lower end of the interlayer shell body 7A are respectively provided with an air draft component 7C, and air is blown into the drying system cavity by the air draft component 7C in the operation process.
When the air source heat pump drying system with the alarm function is implemented; the system also comprises a temperature sensor 4 positioned in the cavity of the material drying system and used for monitoring the temperature in the cavity of the material drying system;
the system also comprises a conveying belt speed detector 13 for detecting the speed of the conveying belt of the material drying system;
the system also comprises a drying inlet detector 14 and a drying outlet detector 15 which are positioned at the inlet and the outlet of the material drying system and are used for detecting the inlet and the outlet speeds of the materials in the material drying system;
the system also comprises a condenser internal temperature detector 16 which is arranged inside the condenser and is used for detecting the internal temperature of the condenser;
the system also comprises a condenser inlet end pipeline detector 17 which is arranged on an inlet pipe and an outlet pipe corresponding to the medium heat exchange input copper pipe 7B and is used for detecting the temperature of the medium in the inlet pipe and the outlet pipe of the condenser;
the system also comprises a water level detector 18 of the circulating cooling water tank, which is arranged inside the circulating cooling water tank and is used for detecting the water level condition inside the circulating cooling water tank.
As shown in fig. 3-4, the terminal control device 10 includes a control module 19, a touch and display module 20, a power module 21, a communication module 22, a storage module 23, and an acquisition module 24; the signal input end of the acquisition module 24 is respectively connected with a temperature sensor 4, a transmission belt speed detector 13, a drying inlet detector 14, a drying outlet detector 15, a condenser internal temperature detector 16, a condenser inlet end pipeline detector 17 and a circulating cooling water tank water level detector 18;
the signals are filtered, amplified and subjected to analog-to-digital conversion and then output to a control module 19, and meanwhile the control module 19 is respectively connected with a touch and display module 20, a power supply module 21, a communication module 22 and a storage module 23; and simultaneously, the communication module 22 is used for realizing networking connection with the central control host 9 and the back-end area server 11.
When the air source heat pump drying system with the alarm function is implemented; the terminal control device 10 includes an alarm control module 25; the alarm control module 25 is connected with and controls the operation of the alarm system 12.
When the air source heat pump drying system with the alarm function is implemented; as shown in fig. 5-6, the alarm control module 25 includes two parts, i.e., a transmitting part and a receiving part; the transmitting circuit is an oscillating circuit with two different frequencies, which consists of two 555 time-base circuits; when two ends of CK are short-circuited (a short-circuit type alarm probe signal), a first block (IC 1) 555 forms a low-frequency oscillation circuit, the frequency F1 is mainly determined by C1 and R2, and the 3 pins output a low-frequency signal with the frequency of F1; when the pin 3 of the IC1 outputs high level, the high frequency oscillation circuit formed by the second block (IC 2) 555 operates, and its oscillation frequency F2 is mainly determined by C3 and R4, and F2 is much larger than F1, so that the pin 3 of the IC2 outputs a pulse modulation signal of F2. The modulation signal generates a high-frequency modulation pulse on the power line through a driving circuit composed of V1, T, C5 and C6, and the voltage of the high-frequency modulation pulse is selected by the transmission distance. The receiving display circuit consists of a plurality of frequency identification circuits; when a high-frequency modulation pulse for alarming appears on a power line, a signal is sent to a pin 3 of a first frequency phase-locked loop module (IC 1) 567 through the transformation of a T1 step-up transformer and the amplitude limitation of current limiting resistors R1 and D1-D4, and a frequency identification circuit (R2 and C4) formed by the frequency phase-locked loops determines an identification frequency value. Then 8 pins at the output end of the IC1 can be connected with a low-frequency with the frequency of F1; one path of the output frequency is sent to a driving circuit consisting of V2 to drive a buzzer HD to work so as to generate sound alarm; the other path is sent to a second frequency identification circuit (IC 2); similarly, the values of R5 and C7 are adjusted to make the second frequency demodulation circuit receive and tune out the frequency of F1, then the output pin of (IC 2) is high, and L1 emits light to indicate that the direction of the emitting circuit is in alarm. The step-up transformer in fig. 5 and 6 uses a small audio transformer with a turn ratio of 1: 20. the drive tube V1 in fig. 5 is a BU506 power switch tube (output current is 500 mA). The capacitors with withstand voltage value larger than 400V must be selected from C5 and C6 in FIG. 5 and C1 and C2 in FIG. 6. CK in FIG. 1 is used for connecting an alarm probe; and the HD selects a finished buzzer with the voltage of 5V.
When the air source heat pump drying system with the alarm function is implemented; the power module 21 is also externally connected with a solar power supply system 26.
When the air source heat pump drying system with the alarm function is implemented; the system is realized as follows; when the air energy heat pump system operates, the temperature sensor 4, the transmission belt speed detector 13, the drying inlet detector 14, the drying outlet detector 15, the condenser internal temperature detector 16, the condenser inlet end pipeline detector 17 and the circulating cooling water tank water level detector 18 are started simultaneously to realize the relevant parameter detection of the corresponding positions; then, the corresponding detection information is transmitted to the acquisition module 24, and is output to the control module 19 after filtering amplification and analog-to-digital conversion, the control module 19 is sent to the central control host 9 through the communication module 22, and the central control host 9 compares and analyzes the detection information so as to judge whether each link is in a normal working range; if the fault is beyond the preset range, the central control host 9 sends a fault instruction to the terminal control equipment 10 at the moment, and the terminal control equipment 10 controls the alarm system 12 to give an alarm; the central control host 9 controls the auxiliary electric heating assembly 2, the conveying belt 3, the adjusting circulating pump 6, the fan assembly 8 and the air draft assembly 7C according to conditions; meanwhile, the central control host 9 and the terminal control device 10 respectively upload the relevant information to the backend area server 11.
The invention has the following improvements and advantages;
the invention provides an air energy heat pump drying system with an alarm function by improvement, as shown in fig. 1-6, which can be implemented as follows; the system comprises an air energy heat pump system consisting of a circulating cooling water tank 5, an adjusting circulating pump 6, an external condenser 7 and a fan assembly 8, and realizes energy supply to a material drying system through heat transfer. The system also comprises a central control host 9, a terminal control device 10, a rear end region server 11 and an alarm system 12, wherein the terminal control device 10 detects relevant parameters of the drying system, the central control host 9 comprehensively judges the relevant parameters so as to control the operation of the air energy heat pump system, and simultaneously transmits instructions to the terminal control device 10, and the terminal control device 10 realizes the alarm function through the alarm system 12; meanwhile, the central control host 9 and the terminal control device 10 respectively upload the relevant information to the backend area server 11. The invention is realized as follows; when the air energy heat pump system operates, the temperature sensor 4, the transmission belt speed detector 13, the drying inlet detector 14, the drying outlet detector 15, the condenser internal temperature detector 16, the condenser inlet end pipeline detector 17 and the circulating cooling water tank water level detector 18 are started simultaneously to realize the relevant parameter detection of the corresponding positions; then, the corresponding detection information is transmitted to the acquisition module 24, and is output to the control module 19 after filtering amplification and analog-to-digital conversion, the control module 19 is sent to the central control host 9 through the communication module 22, and the central control host 9 compares and analyzes the detection information so as to judge whether each link is in a normal working range; if the fault is beyond the preset range, the central control host 9 sends a fault instruction to the terminal control equipment 10 at the moment, and the terminal control equipment 10 controls the alarm system 12 to give an alarm; the central control host 9 controls the auxiliary electric heating assembly 2, the conveying belt 3, the adjusting circulating pump 6, the fan assembly 8 and the air draft assembly 7C according to conditions; meanwhile, the central control host 9 and the terminal control device 10 respectively upload the relevant information to the backend area server 11.
2, when the air-source heat pump drying system with the alarm function is implemented; as shown in fig. 2, the external condenser 7 has an interlayer outer shell 7A, two groups of medium heat exchange input copper pipes 7B are arranged in the interlayer outer shell 7A, and the medium heat exchange input copper pipes 7B are respectively spirally and overlappingly distributed in the interlayer outer shell 7A; the lower end of the medium heat exchange input copper pipe 7B is a medium inlet end, and the upper part is a medium outlet end; the interlayer of the interlayer outer shell 7A is filled with heat insulation materials, and the interlayer outer shell has the advantages of good heat insulation effect; the upper end and the lower end of the interlayer shell body 7A are respectively provided with an air draft component 7C, and air is blown into the drying system cavity by the air draft component 7C in the operation process.
3, when the air-source heat pump drying system with the alarm function is implemented; the system also comprises a temperature sensor 4 positioned in the cavity of the material drying system and used for monitoring the temperature in the cavity of the material drying system;
the system also comprises a conveying belt speed detector 13 for detecting the speed of the conveying belt of the material drying system;
the system also comprises a drying inlet detector 14 and a drying outlet detector 15 which are positioned at the inlet and the outlet of the material drying system and are used for detecting the inlet and the outlet speeds of the materials in the material drying system;
the system also comprises a condenser internal temperature detector 16 which is arranged inside the condenser and is used for detecting the internal temperature of the condenser;
the system also comprises a condenser inlet end pipeline detector 17 which is arranged on an inlet pipe and an outlet pipe corresponding to the medium heat exchange input copper pipe 7B and is used for detecting the temperature of the medium in the inlet pipe and the outlet pipe of the condenser;
the system also comprises a water level detector 18 of the circulating cooling water tank, which is arranged inside the circulating cooling water tank and is used for detecting the water level condition inside the circulating cooling water tank.
The terminal control device 10 comprises a control module 19, a touch and display module 20, a power supply module 21, a communication module 22, a storage module 23 and an acquisition module 24; the signal input end of the acquisition module 24 is respectively connected with a temperature sensor 4, a transmission belt speed detector 13, a drying inlet detector 14, a drying outlet detector 15, a condenser internal temperature detector 16, a condenser inlet end pipeline detector 17 and a circulating cooling water tank water level detector 18; the signals are filtered, amplified and subjected to analog-to-digital conversion and then output to a control module 19, and meanwhile the control module 19 is respectively connected with a touch and display module 20, a power supply module 21, a communication module 22 and a storage module 23; and simultaneously, the communication module 22 is used for realizing networking connection with the central control host 9 and the back-end area server 11.
5, when the air-source heat pump drying system with the alarm function is implemented; the terminal control device 10 includes an alarm control module 25; the alarm control module 25 is connected with and controls the operation of the alarm system 12.
6, when the air-source heat pump drying system with the alarm function is implemented; as shown in fig. 5-6, the alarm control module 25 includes two parts, i.e., a transmitting part and a receiving part; the transmitting circuit is an oscillating circuit with two different frequencies, which consists of two 555 time-base circuits; when two ends of CK are short-circuited (a short-circuit type alarm probe signal), a first block (IC 1) 555 forms a low-frequency oscillation circuit, the frequency F1 is mainly determined by C1 and R2, and the 3 pins output a low-frequency signal with the frequency of F1; when the pin 3 of the IC1 outputs high level, the high frequency oscillation circuit formed by the second block (IC 2) 555 operates, and its oscillation frequency F2 is mainly determined by C3 and R4, and F2 is much larger than F1, so that the pin 3 of the IC2 outputs a pulse modulation signal of F2. The modulation signal generates a high-frequency modulation pulse on the power line through a driving circuit composed of V1, T, C5 and C6, and the voltage of the high-frequency modulation pulse is selected by the transmission distance. The receiving display circuit consists of a plurality of frequency identification circuits; when a high-frequency modulation pulse for alarming appears on a power line, a signal is sent to a pin 3 of a first frequency phase-locked loop module (IC 1) 567 through the transformation of a T1 step-up transformer and the amplitude limitation of current limiting resistors R1 and D1-D4, and a frequency identification circuit (R2 and C4) formed by the frequency phase-locked loops determines an identification frequency value. Then 8 pins at the output end of the IC1 can be connected with a low-frequency with the frequency of F1; one path of the output frequency is sent to a driving circuit consisting of V2 to drive a buzzer HD to work so as to generate sound alarm; the other path is sent to a second frequency identification circuit (IC 2); similarly, the values of R5 and C7 are adjusted to make the second frequency demodulation circuit receive and tune out the frequency of F1, then the output pin of (IC 2) is high, and L1 emits light to indicate that the direction of the emitting circuit is in alarm. The step-up transformer in fig. 5 and 6 uses a small audio transformer with a turn ratio of 1: 20. the drive tube V1 in fig. 5 is a BU506 power switch tube (output current is 500 mA). The capacitors with withstand voltage value larger than 400V must be selected from C5 and C6 in FIG. 5 and C1 and C2 in FIG. 6. CK in FIG. 1 is used for connecting an alarm probe; and the HD selects a finished buzzer with the voltage of 5V.
7, when the air-source heat pump drying system with the alarm function is implemented; the power module 21 is also externally connected with a solar power supply system 26.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. An air energy heat pump drying system with an alarm function is characterized in that;
the system comprises an air energy heat pump system consisting of a circulating cooling water tank (5), a regulating circulating pump (6), an external condenser (7) and a fan assembly (8), and realizes energy supply to a material drying system through heat transfer;
the system also comprises a central control host (9), a terminal control device (10), a rear end region server (11) and an alarm system (12), wherein the terminal control device (10) detects related parameters of the drying system, the central control host (9) comprehensively judges the related parameters so as to control the operation of the air energy heat pump system, and simultaneously transmits instructions to the terminal control device (10), and the terminal control device (10) realizes the alarm function through the alarm system (12); meanwhile, the central control host (9) and the terminal control equipment (10) respectively upload the relevant information to the back end region server (11).
2. The air-source heat pump drying system with the alarm function is characterized in that the air-source heat pump drying system is provided with a heat pump; the external condenser (7) is provided with an interlayer outer shell (7A), two groups of medium heat exchange input copper pipes (7B) are arranged in the interlayer outer shell (7A), and the medium heat exchange input copper pipes (7B) are respectively spirally and overlappingly distributed in the interlayer outer shell (7A); the lower end of the medium heat exchange input copper pipe (7B) is a medium inlet end, and the upper part is a medium outlet end; the interlayer of the interlayer shell body (7A) is filled with heat insulation materials, and the upper end and the lower end of the interlayer shell body (7A) are respectively provided with an air draft assembly (7C).
3. The air-source heat pump drying system with the alarm function is characterized in that the air-source heat pump drying system is provided with a heat pump; the system also comprises a temperature sensor (4) positioned in the cavity of the material drying system and used for monitoring the temperature in the cavity of the material drying system;
the system also comprises a conveying belt speed detector (13) for detecting the speed of the conveying belt of the material drying system;
the system also comprises a drying inlet detector (14) and a drying outlet detector (15) which are positioned at the inlet and the outlet of the material drying system and are used for detecting the inlet and the outlet speeds of the materials in the material drying system;
the system also comprises a condenser internal temperature detector (16) which is arranged inside the condenser and is used for detecting the internal temperature of the condenser;
the system also comprises a condenser inlet end pipeline detector (17) which is arranged on an inlet pipe and an outlet pipe corresponding to the medium heat exchange input copper pipe (7B) and is used for detecting the temperature of the medium in the inlet pipe and the outlet pipe of the condenser;
the system also comprises a circulating cooling water tank water level detector (18) which is arranged in the circulating cooling water tank and used for detecting the water level condition in the circulating cooling water tank;
the terminal control equipment (10) comprises a control module (19), a touch and display module (20), a power supply module (21), a communication module (22), a storage module (23) and an acquisition module (24); the signal input end of the acquisition module (24) is respectively detected with the temperature sensor (4), the transmission belt speed detector (13) and the drying inlet
The device (14), a drying outlet detector (15), a condenser internal temperature detector (16), a condenser inlet end pipeline detector (17) and a circulating cooling water tank water level detector (18) are connected;
the touch and display module is used for receiving and outputting the touch and display signal to the control module (19) after filtering amplification and analog-to-digital conversion, and the control module (19) is respectively connected with the touch and display module (20), the power supply module (21), the communication module (22) and the storage module (23); meanwhile, networking connection is achieved with the central control host (9) and the back end area server (11) through the communication module (22).
4. The air-source heat pump drying system with the alarm function is characterized in that the air-source heat pump drying system is provided with a heat pump; the terminal control device (10) comprises an alarm control module (25); is connected with and controls the work of an alarm system (12) through an alarm control module (25).
5. The air-source heat pump drying system with the alarm function is characterized in that the air-source heat pump drying system is provided with a heat pump; the alarm control module (25) comprises a transmitting part and a receiving part; the transmitting circuit is an oscillating circuit with two different frequencies, which consists of two 555 time-base circuits; when two ends of CK are short-circuited (a short-circuit type alarm probe signal), a first block (IC 1) 555 forms a low-frequency oscillation circuit, the frequency F1 is mainly determined by C1 and R2, and the 3 pins output a low-frequency signal with the frequency of F1; when the pin 3 of the IC1 outputs high level, the high frequency oscillation circuit formed by the second block (IC 2) 555 operates, and the oscillation frequency F2 is mainly determined by C3 and R4, and F2 is much larger than F1, so that the pin 3 of the IC2 outputs a pulse modulation signal of F2; the modulation signal generates a high-frequency modulation pulse on a power line through a driving circuit consisting of V1, T, C5 and C6, and the voltage of the high-frequency modulation pulse is selected by the transmission distance;
the receiving display circuit consists of a plurality of frequency identification circuits; when a high-frequency modulation pulse for alarming appears on a power line, a signal is sent to a pin 3 of a first frequency phase-locked loop module (IC 1) 567 through the transformation of a T1 step-up transformer and the amplitude limiting of current-limiting resistors R1 and D1-D4, and a frequency identification circuit (R2 and C4) formed by the frequency phase-locked loops determines an identification frequency value; then 8 pins at the output end of the IC1 can be connected with a low-frequency with the frequency of F1; one path of the output frequency is sent to a driving circuit consisting of V2 to drive a buzzer HD to work so as to generate sound alarm; the other path is sent to a second frequency identification circuit (IC 2); similarly, the values of R5 and C7 are adjusted to make the second frequency demodulation circuit receive and tune out the frequency of F1, then the output pin of (IC 2) is high, and L1 emits light to indicate that the direction of the emitting circuit is in alarm.
6. The air-source heat pump drying system with the alarm function is characterized in that the air-source heat pump drying system is provided with a heat pump; the power module (21) is also externally connected with a solar power supply system (26).
7. The air-source heat pump drying system with the alarm function is characterized in that the air-source heat pump drying system is provided with a heat pump; the system is realized as follows; when the air-source heat pump system runs, the temperature sensor (4) is started simultaneously,
A transmission belt speed detector (13), a drying inlet detector (14), a drying outlet detector (15), a condenser internal temperature detector (16), a condenser inlet end pipeline detector (17) and a circulating cooling water tank water level detector (18) realize the detection of relevant parameters of corresponding positions; then, the corresponding detection information is transmitted to an acquisition module (24), and is output to a control module (19) after filtering amplification and analog-to-digital conversion, the control module (19) is sent to a central control host (9) through a communication module (22), and the central control host (9) compares and analyzes the detection information so as to judge whether each link is in a normal working range; if the fault is beyond the preset range, the central control host (9) sends a fault instruction to the terminal control equipment (10), and the terminal control equipment (10) controls the alarm system (12) to give an alarm; the central control host (9) controls the auxiliary electric heating assembly (2), the conveying belt (3), the adjusting circulating pump (6), the fan assembly (8) and the air draft assembly (7C) according to conditions; meanwhile, the central control host (9) and the terminal control equipment (10) respectively upload the relevant information to the back end region server (11).
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Application publication date: 20210518 |