CN116717777A - Evaporator with automatic induction temperature measurement system and automatic evaporation temperature control method - Google Patents
Evaporator with automatic induction temperature measurement system and automatic evaporation temperature control method Download PDFInfo
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- CN116717777A CN116717777A CN202310635508.8A CN202310635508A CN116717777A CN 116717777 A CN116717777 A CN 116717777A CN 202310635508 A CN202310635508 A CN 202310635508A CN 116717777 A CN116717777 A CN 116717777A
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- water
- temperature
- control circuit
- inner cavity
- signal
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- 238000009529 body temperature measurement Methods 0.000 title claims abstract description 19
- 238000001704 evaporation Methods 0.000 title claims abstract description 18
- 230000006698 induction Effects 0.000 title claims abstract description 18
- 230000008020 evaporation Effects 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 183
- 238000001514 detection method Methods 0.000 claims abstract description 35
- 238000002347 injection Methods 0.000 claims abstract description 19
- 239000007924 injection Substances 0.000 claims abstract description 19
- 238000005485 electric heating Methods 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims description 16
- 238000007599 discharging Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000009834 vaporization Methods 0.000 abstract description 2
- 230000008016 vaporization Effects 0.000 abstract description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 238000005202 decontamination Methods 0.000 description 2
- 230000003588 decontaminative effect Effects 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/42—Applications, arrangements, or dispositions of alarm or automatic safety devices
- F22B37/47—Applications, arrangements, or dispositions of alarm or automatic safety devices responsive to abnormal temperature, e.g. actuated by fusible plugs
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
- F22D5/00—Controlling water feed or water level; Automatic water feeding or water-level regulators
- F22D5/26—Automatic feed-control systems
- F22D5/32—Automatic feed-control systems influencing the speed or delivery pressure of the feed pumps
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- General Induction Heating (AREA)
Abstract
The invention discloses an evaporator with an automatic induction temperature measurement system and an automatic evaporation temperature control method, and relates to the field of evaporators, wherein the evaporator comprises a closed inner cavity formed by buckling an upper shell and a lower shell, and the upper shell is provided with a water inlet joint and a steam outlet joint; one end of the water detection rod extends into the inner cavity, and the other end of the water detection rod extends out of the upper shell and is electrically connected with the upper shell through a control wire to form a water detection loop; the electric heating tube is integrally formed in the lower shell; the temperature sensor is fixed on the lower shell; and the signal control circuit is respectively and electrically connected with the water detection rod and the temperature sensor, the water detection rod sends a water level height signal to the signal control circuit, the temperature sensor sends an inner cavity temperature signal to the signal control circuit, and the signal control circuit controls the water injection quantity of the water inlet joint according to the water level height signal and the temperature signal. According to the invention, the water inflow is controlled together according to the water level and the temperature of the inner cavity of the evaporator, the accuracy of temperature control is improved, and the temperature stability and consistency after water vaporization are effectively ensured.
Description
Technical Field
The invention relates to the field of evaporators, in particular to an evaporator with an automatic induction temperature measurement system and an automatic evaporation temperature control method.
Background
With the increasing living standard of people, household steam spraying equipment with a steam generating device such as a steam mop, a floor washing machine, a garment steamer and the like is gradually popularized. In order to improve the efficiency of disinfection, sterilization, cleaning and decontamination, the temperature and stability of the steam output by the evaporator are required to be higher.
The Chinese patent document (CN 215372393U) discloses an accurate temperature measurement electric heating evaporator, including the heating pot, keep flat in the heating temperature measurement subassembly of the outer wall bottom of heating pot, the heating temperature measurement subassembly is including having the first heater and the second heater of public end, first heater is used for heating, the second heater is used for the temperature measurement, the resistance of first heater is less than the resistance of second heater, because heating element keeps flat in the outer wall bottom of heating pot, do not have heating element in the heating pot, make things convenient for the user clean and use, and the heating temperature measurement subassembly is including the first heater and the second heater that have public end moreover, first heater is used for heating, the second heater is used for the temperature measurement, the resistance of first heater is less than the resistance of second heater. Although the technical scheme can realize accurate temperature measurement, the temperature in the evaporator can only be controlled by the on-off of the heating wire, and a structure and a method for realizing accurate temperature control according to the water quantity and the water temperature in the evaporator are not provided, so that the output steam temperature cannot be accurately controlled.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide an evaporator with an automatic induction temperature measuring system and an automatic evaporation temperature control method, which have the advantages of automatic induction type temperature measurement, simple structure, strong realizability, strong temperature induction sensitivity, quick response aging, small induction error, strong consistency and low realization cost.
The invention aims at being completed by the following technical scheme: the evaporator with the automatic induction temperature measurement system comprises
The upper shell is provided with a water inlet joint and a steam outlet joint which are communicated with the inner cavity, the water inlet joint is used for injecting evaporation water into the inner cavity, and the steam outlet joint is used for outputting steam;
the water detection rod penetrates through the top of the upper shell, one end of the water detection rod stretches into the inner cavity and is used for sensing the water level, and the other end of the water detection rod stretches out of the upper shell and is electrically connected with the surface of the upper shell through a control wire to form a water detection loop;
the electric heating tube is integrally formed in the lower shell and is used for heating the evaporation water;
the temperature sensor is fixed on the lower shell and is used for monitoring the temperature of the inner cavity in real time; and
the signal control circuit is respectively and electrically connected with the water detection rod and the temperature sensor, the water detection rod is used for sending a water level height signal to the signal control circuit in real time, the temperature sensor is used for sending an inner cavity temperature signal to the signal control circuit in real time, and the signal control circuit controls the water injection quantity of the water inlet joint according to the water level height signal and the temperature signal.
As a further technical scheme, the water inlet joint controls water injection through the electromagnetic water pump, and the signal control circuit is electrically connected with the electromagnetic water pump for control.
As a further technical scheme, the lower shell is provided with a temperature controller, and the temperature controller controls the electric heating tube to work through electric connection.
As a further technical scheme, the water detecting rod is fixedly connected with the upper shell through a fixing nut, the top end of the water detecting rod is electrically connected with the control wire through a pressure spring terminal, the other end of the control wire is electrically connected with the upper shell through a gasket, and the gasket is fixed on the surface of the upper shell.
As a further technical scheme, a pressure relief valve communicated with the inner cavity is arranged at the bottom of the lower shell and is used for discharging the excessive pressure of the inner cavity.
An automatic control method for evaporating temperature adopts the evaporator with the automatic induction temperature measuring system, and comprises the following steps:
step one: starting an electromagnetic water pump, injecting evaporation water into the inner cavity, and starting an electric heating tube to heat the inner cavity;
step two: when the water level of the inner cavity rises to be in contact with the water detection rod, the water detection rod sends a contact signal to the signal control circuit, and meanwhile, the water detection rod also feeds back the detected water level height and water quantity information of the inner cavity to the signal control circuit;
step three: after the signal control circuit receives the trigger signal, the temperature sensor is controlled to work, and the temperature sensor feeds back an inner cavity temperature signal to the signal control circuit in real time;
step four: the signal control circuit compares the received inner cavity temperature signal with a preset value, and if the temperature is smaller than the preset value, the signal control circuit controls the electromagnetic water pump to continue water injection; and if the temperature is greater than or equal to a preset value, the signal control circuit controls the electromagnetic water pump to stop water injection.
As a further technical scheme, in the fourth step, the signal control circuit also controls the electromagnetic water pump according to the water level height signal of the water detection rod, and when the water level height is smaller than or equal to the set lowest water level, the signal control circuit controls the electromagnetic water pump to continue water injection; when the water level is higher than or equal to the set highest water level, the signal control circuit controls the electromagnetic water pump to stop water injection.
The beneficial effects of the invention are as follows:
1. the water level and the temperature of the inner cavity are monitored in real time by utilizing a water detection rod and a temperature sensor, the water level and the temperature are communicated with a signal control circuit in real time, and the control of the temperature of output steam is finally realized by the signal control circuit through the water inflow of the water inlet joint;
2. the water inlet connector is connected with the electromagnetic water pump and is electrically connected with the signal control circuit, so that the accurate control of water inlet quantity is realized;
3. the temperature controller can automatically cut off the power supply of the electric heating tube when the temperature of the inner cavity is too high due to equipment failure, so that potential safety hazards are eliminated;
4. the pressure relief valve can automatically relieve pressure when the pressure of the inner cavity is too high, so that explosion is avoided;
5. the signal control circuit controls the water inflow according to the water level and the temperature of the inner cavity, improves the accuracy of temperature control, and effectively ensures the temperature stability and consistency after the water is vaporized.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic bottom view of the present invention.
Fig. 3 is a schematic top view of the present invention.
Fig. 4 is a cross-sectional view A-A of fig. 3.
FIG. 5 is a schematic diagram of a water detecting rod according to the present invention.
Reference numerals illustrate: the water heater comprises an upper shell 1, a lower shell 2, a water inlet connector 3, a steam outlet connector 4, a pressure spring terminal 5, a fixing nut 6, a water detection rod 7, a control line 8, an electric heating tube 9, a temperature controller 10, a pressure release valve 11, a temperature sensor 12, a gasket 13, an inner cavity 14 and an electromagnetic water pump 15.
Detailed Description
The invention will be described in detail below with reference to the attached drawings:
examples: as shown in figures 1-5, the evaporator with the automatic induction temperature measurement system comprises an upper shell 1, a lower shell 2, a water inlet joint 3, a steam outlet joint 4, a pressure spring terminal 5, a fixing nut 6, a water detection rod 7, a control wire 8, an electric heating tube 9, a temperature controller 10, a pressure relief valve 11, a temperature sensor 12, a gasket 13, an inner cavity 14, an electromagnetic water pump 15 and a signal control circuit.
Referring to fig. 1 and 4, after the upper shell 1 and the lower shell 2 are fastened and installed up and down, they are fixedly connected by bolts to form a closed inner cavity 14. The top of the upper shell 1 is provided with a water inlet joint 3 and a steam outlet joint 4 which are communicated with the inner cavity 14, the water inlet joint 3 is used for injecting evaporation water into the inner cavity 14, and the steam outlet joint 4 is used for outputting steam outwards.
As shown in fig. 4, the water detecting rod 7 is inserted into the top of the upper case 1, the lower end of the water detecting rod 7 extends into the inner cavity 14 to sense the water level (preferably, a certain distance is arranged between the lower end of the water detecting rod 7 and the bottom of the inner cavity 14), and the upper end of the water detecting rod 7 extends out of the upper case 1 and is electrically connected with the surface of the upper case 1 by the control line 8 to form a water detecting loop. Preferably, as shown in fig. 5, the water detecting rod 7 is fixedly connected with the upper shell 1 through a fixing nut 6 in a threaded manner, the top end of the water detecting rod 7 is electrically connected with the control wire 8 through a pressure spring terminal 5, the other end of the control wire 8 is electrically connected with the upper shell 1 through a gasket 13, and the gasket 13 is fixedly welded on the surface of the upper shell 1.
Further, the electrothermal tube 9 is integrally formed in the lower housing 2 for heating the evaporating water in the inner cavity 14. The temperature sensor 12 (thermistor) is fixed on the lower shell 2 (i.e. at the position of the reference numeral 12 in fig. 2) by using high-temperature-resistant curing glue, and the temperature sensor 12 can monitor the temperature of the inner cavity 14 in real time. Further, the signal control circuit (may be a control chip, a controller, etc.) is electrically connected with the water detecting rod 7 and the temperature sensor 12, the water detecting rod 7 sends a water level height signal to the signal control circuit in real time, meanwhile, the temperature sensor 12 sends an inner cavity 14 temperature signal to the signal control circuit in real time, in addition, the water inlet joint 3 controls water injection through the electromagnetic water pump 15 (the electromagnetic water pump 15 is connected with the water inlet joint 3 through a pipeline), and the signal control circuit is electrically connected with the electromagnetic water pump 15 for control. So that the signal control circuit can accurately control the water injection quantity of the water inlet joint 3 according to the water level height signal and the temperature signal.
Preferably, as shown in fig. 2, a temperature controller 10 is arranged at the bottom of the lower shell 2, the temperature controller 10 controls the electric heating tube 9 to work through electric connection, and the temperature controller 10 can automatically cut off the power supply of the electric heating tube 9 when equipment fails (when the temperature of the inner cavity 14 is too high), so that potential safety hazards are eliminated. Preferably, a relief valve 11 is installed at the bottom of the lower case 2 and is connected to the inner chamber 14, and when the pressure in the inner chamber 14 is too high beyond a set value, the relief valve 11 is opened to discharge the too high pressure in the inner chamber 14.
An automatic control method for evaporating temperature adopts the evaporator with the automatic induction temperature measuring system, and comprises the following steps:
step one: starting an electromagnetic water pump 15, continuously injecting evaporation water into the inner cavity 14, and simultaneously starting an electric heating tube 9 to start heating the inner cavity 14;
step two: when the level of the inner cavity 14 rises to be in contact with the water detection rod 7, the water detection rod 7 sends a contact signal to the signal control circuit, and meanwhile, the water detection rod 7 also detects (judges) the water level height and the water quantity information of the inner cavity 14 and feeds the water level information back to the signal control circuit;
step three: after the signal control circuit receives the trigger signal, the temperature sensor 12 is controlled to work, and the temperature sensor 12 feeds back the temperature signal of the inner cavity 14 to the signal control circuit in real time;
step four: the signal control circuit compares the received temperature signal of the inner cavity 14 with a preset value, and if the temperature is smaller than the preset value, the signal control circuit controls the electromagnetic water pump 15 to continue water injection; if the temperature is greater than or equal to the preset value, the signal control circuit controls the electromagnetic water pump 15 to stop water injection. Further, in the process, the signal control circuit also controls the electromagnetic water pump 15 according to the water level height signal of the water detection rod 7, and when the water level height is smaller than or equal to the set lowest water level, the signal control circuit controls the electromagnetic water pump 15 to continue water injection; when the water level is equal to or higher than the set highest water level, the signal control circuit controls the electromagnetic water pump 15 to stop water injection. When water is added to a certain height, the temperature of the inner cavity of the evaporator is reduced, and the temperature sensor prompts the system to stop adding water at the moment, or the water detection rod prompts the system to stop adding water because the water quantity reaches the highest water level; when the water evaporates a certain amount, the temperature of the inner cavity of the evaporator rises, and the temperature sensor prompts the system to add water at the moment, or the water rod prompts the system to add water because the water quantity reaches the lowest water level.
According to the invention, the water inflow is controlled together according to the water level and the temperature of the inner cavity of the evaporator, the accuracy of temperature control is improved, and the temperature stability and consistency after water vaporization are effectively ensured. Improves the steam conversion efficiency, achieves the effects of high steam temperature and more effective disinfection, sterilization, cleaning and decontamination.
It should be understood that equivalents and modifications to the technical scheme and the inventive concept of the present invention should fall within the scope of the claims appended hereto.
Claims (7)
1. An evaporator with an automatic induction temperature measurement system, characterized in that: comprising
A closed inner cavity (14) formed by buckling an upper shell (1) and a lower shell (2) up and down, wherein a water inlet joint (3) and a steam outlet joint (4) which are communicated with the inner cavity (14) are arranged on the upper shell (1), the water inlet joint (3) is used for injecting evaporation water into the inner cavity (14), and the steam outlet joint (4) is used for outputting steam;
the water detection rod (7) is arranged at the top of the upper shell (1) in a penetrating way, one end of the water detection rod (7) stretches into the inner cavity (14) and is used for sensing the water level, and the other end of the water detection rod (7) stretches out of the upper shell (1) and is electrically connected with the surface of the upper shell (1) through the control wire (8) to form a water detection loop;
the electric heating tube (9) is integrally formed in the lower shell (2) and is used for heating the evaporation water;
the temperature sensor (12) is fixed on the lower shell (2) and is used for monitoring the temperature of the inner cavity (14) in real time; and
the signal control circuit is respectively and electrically connected with the water detection rod (7) and the temperature sensor (12), the water detection rod (7) is used for sending a water level height signal to the signal control circuit in real time, the temperature sensor (12) is used for sending an inner cavity (14) temperature signal to the signal control circuit in real time, and the signal control circuit controls the water injection quantity of the water inlet joint (3) according to the water level height signal and the temperature signal.
2. The evaporator with an automatic induction temperature measurement system according to claim 1, wherein: the water inlet joint (3) is used for controlling water injection through the electromagnetic water pump (15), and the signal control circuit is electrically connected with the electromagnetic water pump (15) for controlling.
3. The evaporator with an automatic induction temperature measurement system according to claim 1, wherein: the lower shell (2) is provided with a temperature controller (10), and the temperature controller (10) controls the electric heating tube (9) to work through electric connection.
4. The evaporator with an automatic induction temperature measurement system according to claim 1, wherein: the water detection rod (7) is fixedly connected with the upper shell (1) through a fixing nut (6), the top end of the water detection rod (7) is electrically connected with the control wire (8) through a pressure spring terminal (5), the other end of the control wire (8) is electrically connected with the upper shell (1) through a gasket (13), and the gasket (13) is fixed on the surface of the upper shell (1).
5. The evaporator with an automatic induction temperature measurement system according to claim 1, wherein: the bottom of the lower shell (2) is provided with a pressure relief valve (11) communicated with the inner cavity (14) for discharging the excessive pressure of the inner cavity (14).
6. An automatic control method for evaporating temperature, adopting the evaporator with automatic induction temperature measuring system as set forth in any one of claims 1-5, characterized by comprising the following steps:
step one: starting an electromagnetic water pump (15), injecting evaporation water into the inner cavity (14), and starting an electric heating tube (9) to heat the inner cavity (14);
step two: when the horizontal plane of the inner cavity (14) rises to be in contact with the water detection rod (7), the water detection rod (7) sends a contact signal to the signal control circuit, and meanwhile, the water detection rod (7) also feeds back the detected water level height and water quantity information of the inner cavity (14) to the signal control circuit;
step three: after the signal control circuit receives the trigger signal, the temperature sensor (12) is controlled to work, and the temperature sensor (12) feeds back the temperature signal of the inner cavity (14) to the signal control circuit in real time;
step four: the signal control circuit compares the received temperature signal of the inner cavity (14) with a preset value, and if the temperature is smaller than the preset value, the signal control circuit controls the electromagnetic water pump (15) to continue water injection; and if the temperature is greater than or equal to a preset value, the signal control circuit controls the electromagnetic water pump (15) to stop water injection.
7. The automatic evaporation temperature control method according to claim 6, wherein: in the fourth step, the signal control circuit also controls the electromagnetic water pump (15) according to the water level height signal of the water detection rod (7), and when the water level height is smaller than or equal to the set lowest water level, the signal control circuit controls the electromagnetic water pump (15) to continue water injection; when the water level is greater than or equal to the set highest water level, the signal control circuit controls the electromagnetic water pump (15) to stop water injection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310635508.8A CN116717777A (en) | 2023-05-31 | 2023-05-31 | Evaporator with automatic induction temperature measurement system and automatic evaporation temperature control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310635508.8A CN116717777A (en) | 2023-05-31 | 2023-05-31 | Evaporator with automatic induction temperature measurement system and automatic evaporation temperature control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116717777A true CN116717777A (en) | 2023-09-08 |
Family
ID=87874463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310635508.8A Pending CN116717777A (en) | 2023-05-31 | 2023-05-31 | Evaporator with automatic induction temperature measurement system and automatic evaporation temperature control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116717777A (en) |
-
2023
- 2023-05-31 CN CN202310635508.8A patent/CN116717777A/en active Pending
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