Automatic adjusting intelligent temperature controller for household appliances

Abstract

The invention discloses an automatic adjustment intelligent temperature controller for household appliances, and relates to the technical field of temperature controller protection. The device comprises a shell, a time control mechanism is arranged at the bottom of the shell, a temperature control mechanism is arranged at the top of the shell, a temperature sensing mechanism is installed on one side of the shell and used for monitoring the temperature of the surrounding environment, a temperature adjusting assembly is arranged on one side of the temperature sensing mechanism, and the temperature adjusting assembly extends into the shell and is electrically connected with the temperature control mechanism. The temperature sensing mechanism is used for circularly controlling the on-off state of a circuit of the temperature control mechanism. The temperature control mechanism is installed at the shell, the temperature sensing mechanism is installed on the outer side of the shell, the temperature adjusting assembly is arranged between the temperature sensing mechanism and the temperature control mechanism, the environment temperature is detected through the temperature sensing mechanism, and on-off of a circuit of the temperature control mechanism is controlled through the temperature adjusting assembly; the automatic circulation control function of the barbecue temperature of the household electric oven is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of thermostat protection, and in particular to an automatically regulating intelligent thermostat for household appliances. Background Art

[0002] With the continuous improvement of people's living standards, household electric ovens are favored by more and more families because of their convenient operation, easy temperature control, and the fact that they can provide families with a delicious and healthy barbecue experience when in use, and enhance the joyful atmosphere of family gatherings. Electric ovens need to be equipped with corresponding thermostats when in use.

[0003] Patent specification CN104137859A discloses a temperature control device for an electric oven, comprising a wire box connected to an electric heating tube, a thermostat, and a heat conducting plate, one end of which extends into the grilling area and the other end of which is connected to the thermostat in the wire box via a heat conducting connector. The device comprises three thermostats: a fuse thermostat, a mechanically adjustable reset thermostat, and a reset thermostat. The heat conducting connector is sequentially connected to the fuse thermostat, the mechanically adjustable reset thermostat, and the reset thermostat. Heat from the heat conducting plate is sequentially transferred to the fuse thermostat, the mechanically adjustable reset thermostat, and the reset thermostat via the heat conducting connector.

[0004] The temperature control device transmits the working temperature of the oven to the thermostat by setting a heat conducting plate and heat conducting copper bolts. When the oven temperature exceeds the rated temperature, the power supply is cut off to realize the automatic power-off function of the oven. The disadvantage of this technical solution is that when the oven is in working state, if the temperature exceeds a certain range of the predetermined temperature, the power will be directly cut off. If the grilling needs to be continued, the oven needs to be restarted. That is, the thermostat of the electric oven has the problem of automatic power-off at high temperature during the use of the oven, which is not convenient for continuous grilling.

[0005] Currently, no effective solutions have been proposed for the problems in related technologies. Summary of the Invention

[0006] The purpose of the present invention is to provide an automatically adjustable intelligent thermostat for household appliances. The technical problem to be solved is as follows: the thermostat of the existing electric oven has the problem of automatic power off at high temperature during the use of the oven, which is not convenient for continuous barbecue.

[0007] The purpose of the present invention can be achieved through the following technical solutions:

[0008] An automatically adjustable intelligent thermostat for household appliances comprises a housing, a time control mechanism being provided at the bottom of the housing and a temperature control mechanism being provided at the top, a temperature sensing mechanism being mounted on one side of the housing and configured to monitor the ambient temperature, a temperature regulating assembly being provided on one side of the temperature sensing mechanism, the temperature regulating assembly extending into the interior of the housing and being electrically connected to the temperature control mechanism, the temperature sensing mechanism being configured to cyclically control the on / off state of a circuit of the temperature control mechanism.

[0009] As a further solution of the present invention: the temperature sensing mechanism also includes a side frame fixedly connected to the shell, a temperature adjustment key is installed on one side of the side frame, the temperature adjustment key is electrically connected to the temperature adjustment component, a switch control key is installed at the bottom of the side frame, a sensing circuit board is installed at the top of the side frame, and the top of the side frame is adapted to be electrically connected to the sensing circuit board with a laser probe.

[0010] As a further solution of the present invention: a display screen is provided on one side of the sensing circuit board, and the display screen is used to display the detected ambient temperature and the on-off temperature threshold preset by the temperature adjustment key.

[0011] As a further solution of the present invention: the temperature control component includes an air pipe fixedly connected to the side frame, the side frame is equipped with a micro air pump on one side of the air pipe, the micro air pump is electrically connected to the sensing circuit board, one side of the air pipe extends into the interior of the temperature control mechanism, and the end is connected to a corrugated hose.

[0012] As a further solution of the present invention: the temperature control mechanism includes a temperature display screen arranged on the outside of the shell, a temperature adjustment group key is arranged at the bottom of the temperature display screen, a temperature adjustment circuit board is installed inside the shell, and one side of the temperature adjustment circuit board is electrically connected to the temperature adjustment group key.

[0013] As a further solution of the present invention: a fixed contact switch is installed on one side of the temperature control circuit board, a moving contact switch is provided at the bottom of the fixed contact switch, and the bottom of the moving contact switch is fixedly connected to the top end of the corrugated hose.

[0014] As a further solution of the present invention: the time control mechanism includes a time display screen arranged on one side of the outside of the shell, the outside of the shell is adapted to be equipped with a time adjustment group key, and a time adjustment circuit board is installed inside the shell, and the time display screen and the time adjustment group key are electrically connected to the time adjustment circuit board.

[0015] As a further solution of the present invention: heat dissipation holes are provided on both sides of the shell, and a contact connection group is provided on one side.

[0016] Beneficial effects of the present invention:

[0017] The present invention provides a method for detecting the temperature of the electric oven by controlling the temperature of the temperature-sensing mechanism and the temperature-controlling mechanism on the top of the shell. The temperature-sensing mechanism is connected to the temperature-controlling circuit board of the temperature-controlling mechanism through the temperature-controlling assembly. After the electric oven determines the grilling temperature through the temperature-controlling assembly key, the temperature of the temperature-controlling key on the temperature-sensing mechanism is controlled to set the on-off temperature lower than the grilling temperature. The laser probe is used to detect the ambient temperature. When the ambient temperature rises to the on-off temperature, the micro air pump is started to inhale the temperature-controlling assembly. The contraction of the corrugated hose drives the moving contact switch fixedly connected thereto to move downward, causing the moving contact switch to be disconnected from the fixed contact switch and temporarily cut off the heating of the electric oven. Then, the ambient temperature gradually drops to below the on-off temperature. The micro air pump is disconnected, causing the corrugated hose to reset, and the electric oven resumes operation, thereby realizing the cyclic automatic control of the temperature of the electric oven in the working state. The technical advantage is that it avoids the direct cutting off of the grilling power supply by the thermostat due to excessive temperature during the grilling process, thereby improving the convenience of using the electric oven.

[0018] Furthermore, when the user temporarily leaves the electric oven for some reason, he or she can increase the on / off temperature of the temperature sensing mechanism before leaving. Then, when the laser probe detects that the ambient temperature is too high, it can be known that a fire has occurred. The power supply of the electric oven can be cut off in time with the help of the temperature control component to avoid further temperature increase and worsening of the fire situation, thereby improving the safety of the electric oven when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below with reference to the accompanying drawings.

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 It is a structural schematic diagram of the temperature sensing mechanism of the present invention;

[0022] Figure 3 It is a schematic diagram of the internal structure of the present invention;

[0023] Figure 4 It is a partial cross-sectional view of the temperature control component of the present invention.

[0024] In the figure: 1. Shell; 2. Time control mechanism; 21. Time display screen; 22. Time adjustment group key; 23. Time adjustment circuit board; 3. Temperature control mechanism; 31. Temperature display screen; 32. Temperature adjustment group key; 33. Temperature adjustment circuit board; 34. Fixed contact switch; 35. Moving contact switch; 4. Temperature sensing mechanism; 41. Temperature adjustment component; 411. Air pipe; 412. Micro air pump; 413. Corrugated hose; 42. Side frame; 43. Temperature adjustment key; 44. Switch control key; 45. Sensing circuit board; 46. Laser probe; 5. Heat dissipation hole; 6. Contact connection group. DETAILED DESCRIPTION

[0025] The following will provide a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0026] like Figures 1 to 4 As shown, an automatic intelligent thermostat for household appliances includes a housing 1, a time control mechanism 2 is provided at the bottom of the housing 1, and a temperature control mechanism 3 is provided at the top. A temperature sensing mechanism 4 is installed on one side of the housing 1. The temperature sensing mechanism 4 is used to monitor the ambient temperature. A temperature adjustment component 41 is provided on one side of the temperature sensing mechanism 4. The temperature adjustment component 41 extends into the interior of the housing 1 and is electrically connected to the temperature control mechanism 3. The temperature sensing mechanism 4 is used to cyclically control the on-off state of the circuit of the temperature control mechanism 3.

[0027] It should be noted that the intelligent thermostat is installed on the side of the grill of the electric grill, and its temperature sensing mechanism 4 is used to detect the ambient temperature near the grill. That is, the thermostat of the existing electric grill is only used to set the temperature of the grill and cannot detect the ambient temperature. Therefore, when the griller leaves the electric grill and an open flame appears during the grilling process, causing the ambient temperature around the grill to be too high, the existing electric grill does not have an automatic power-off function at this time, which poses a certain safety hazard when using a household electric grill. Therefore, by installing the temperature sensing mechanism 4 on one side of the thermostat encapsulated inside the shell 1, real-time detection of the ambient temperature is achieved, thereby improving the safety of the thermostat when in use.

[0028] like Figure 2 As shown, the temperature sensing mechanism 4 further includes a side frame 42 fixedly connected to the housing 1, a temperature adjustment key 43 is installed on one side of the side frame 42, and the temperature adjustment key 43 is electrically connected to the temperature adjustment component 41. The side frame 42 is equipped with a switch control key 44 at the bottom of the temperature adjustment key 43, and a sensing circuit board 45 is installed on the top of the side frame 42. The top of the side frame 42 is adapted to be electrically connected to the sensing circuit board 45 to a laser probe 46;

[0029] It should be noted that the inductive circuit board 45 is encapsulated with a shell when it is actually used to protect the circuit. A display screen is provided on one side of the inductive circuit board 45 (see FIG. Figure 2), which is used to display the detected ambient temperature and the on-off temperature threshold of the temperature adjustment component 41 preset by the temperature adjustment key 43. When in use, the preset on-off temperature value of the temperature adjustment component 41 is adjusted by the temperature adjustment key 43, and the temperature value is displayed on the display screen on the sensing circuit board 45 during the adjustment process. Since the laser probe 46 detects the change of the ambient temperature around the electric oven, it is different from the barbecue temperature of the electric oven controlled by the temperature control mechanism 3 inside the shell 1, that is, in a safe state, the ambient temperature value is smaller than the barbecue temperature value. When the ambient temperature detected by the laser probe 46 is greater than the barbecue temperature value controlled by the temperature control mechanism 3, it indicates that there is a fire in the environment. The ambient temperature can be monitored by the temperature sensing mechanism 4 to avoid the occurrence of sudden fire when barbecue at home after people leave and the barbecue equipment continues to operate. Based on this function, in actual operation, after setting the temperature of the temperature control mechanism 3, the preset on-off temperature value of the temperature adjustment component 41 needs to be adjusted to a state lower than the barbecue temperature value through the temperature adjustment key 43.

[0030] like Figures 2 to 4 As shown, the temperature control assembly 41 includes an air pipe 411 fixedly connected to the side frame 42. A micro air pump 412 is installed on one side of the air pipe 411 of the side frame 42. The micro air pump 412 is electrically connected to the sensing circuit board 45. The air pipe 411 extends from the side of the side frame 42 to the interior of the temperature control mechanism 3, and a corrugated hose 413 is provided at the end thereof.

[0031] It should be noted that since the temperature adjustment key 43 is used to adjust the preset on-off temperature value of the temperature adjustment component 41, the electrical signal is received by the sensing circuit board 45 after adjustment, and then the sensing circuit board 45 controls the on-off of the micro air pump 412. Specifically, when the ambient temperature sensed by the laser probe 46 is greater than the preset on-off temperature threshold, the sensing circuit board 45 starts the micro air pump 412 to pump air into the air pipe 411, and the corrugated hose 413 contracts. When the ambient temperature sensed by the temperature sensing mechanism 4 is lower than the preset on-off temperature of the temperature adjustment key 43, the micro air pump 412 is in the off state.

[0032] like Figure 1 and Figure 3 As shown, the temperature control mechanism 3 includes a temperature display screen 31 provided on the outside of the housing 1, a temperature adjustment group key 32 is provided at the bottom of the temperature display screen 31, and a temperature adjustment circuit board 33 is installed inside the housing 1, and one side of the temperature adjustment circuit board 33 is electrically connected to the temperature adjustment group key 32;

[0033] A fixed contact switch 34 is installed on one side of the thermostat circuit board 33, and a moving contact switch 35 is provided at the bottom of the fixed contact switch 34. The bottom of the moving contact switch 35 is fixedly connected to the top of the corrugated hose 413. The fixed contact switch 34 and the moving contact switch 35 are in the connected state when the corrugated hose 413 is not deformed (see FIG. Figure 3 );

[0034] It should be noted that the user can adjust the barbecue temperature by controlling the temperature control button 32, including heating, cooling and resetting, and observe it through the temperature display screen 31. Since the top of the corrugated hose 413 of the temperature control component 41 is fixedly connected to the moving contact switch 35, during the barbecue process, if the ambient temperature is moderately below the preset on-off temperature, it means that the barbecue ambient temperature is below the barbecue set temperature, and the barbecue process is in a normal state. However, as the barbecue continues, if the preset on-off temperature is low, the ambient temperature sensed by the temperature sensing mechanism 4 will still be higher than the preset on-off temperature even if there is no fire problem. At this time, the barbecue temperature will be too high. If the temperature is not controlled, the barbecue will be burnt. The phenomenon of this invention is that after the temperature sensing mechanism 4 senses that the ambient temperature is greater than the preset on-off temperature, the micro air pump 412 starts to pump air, the corrugated hose 413 contracts, and the movable contact switch 35 fixedly connected thereto is pulled downward, so that the movable contact switch 35 and the fixed contact switch 34 are disconnected, and the electric oven temporarily stops heating, and the ambient temperature gradually decreases. When the ambient temperature drops below the preset on-off temperature, it is sensed by the laser probe 46 and fed back to the sensing circuit board 45, and the micro air pump 412 stops running, the corrugated hose 413 is reset, the fixed contact switch 34 and the movable contact switch 35 are reconnected, and the electric oven is heated again, thereby realizing a cyclic feedback control of the heating of the electric oven, thereby stabilizing the barbecue temperature, achieving the temperature control effect while avoiding temperature control interruption, and improving the barbecue quality;

[0035] In addition, since the temperature sensing mechanism 4 also has the function of preventing fires, and its mechanism of action is the same as the circulating temperature control of barbecue, if you need to leave temporarily during home barbecue, you can distinguish between the barbecue temperature and the fire prevention temperature by increasing the preset temperature of the temperature adjustment button 43.

[0036] The time control mechanism 2 includes a time display screen 21 arranged on one side of the outside of the shell 1. A time adjustment group key 22 is arranged on the outside of the shell 1 to adapt to the time display screen 21. A time adjustment circuit board 23 is installed at the bottom of the shell 1. The time display screen 21 and the time adjustment group key 22 are both electrically connected to the time adjustment circuit board 23. During the barbecue setting process, the barbecue personnel can adjust the barbecue time by adjusting the time adjustment group key 22. The time adjustment group key 22 includes delay, time reduction and reset adjustments, and the specific situation of the set time can be viewed through the time display screen 21.

[0037] In addition, heat dissipation holes 5 are provided on both sides of the shell 1, and a contact connection group 6 is provided on the back of the shell 1. Each heat dissipation hole 5 is used to improve its heat dissipation effect, and the contact connection group 6 is used for external circuit connection to the main control board of the electric oven.

[0038] The above is a detailed description of an embodiment of the present invention. However, the content described is only a preferred embodiment of the present invention and should not be considered to limit the scope of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. An automatic regulating intelligent thermostat for household appliances, comprising a housing (1), characterized in that: The shell (1) is provided with a time control mechanism (2) at the bottom and a temperature control mechanism (3) at the top. A temperature sensing mechanism (4) is installed on one side of the shell (1). The temperature sensing mechanism (4) is used to monitor the ambient temperature. A temperature adjustment component (41) is provided on one side of the temperature sensing mechanism (4). The temperature adjustment component (41) extends into the interior of the shell (1) and is electrically connected to the temperature control mechanism (3). The temperature sensing mechanism (4) is used to cyclically control the on / off state of the circuit of the temperature control mechanism (3).

2. The intelligent thermostat for automatic adjustment of household appliances according to claim 1, characterized in that: The temperature sensing mechanism (4) further comprises a side frame (42) fixedly connected to the housing (1); a temperature adjustment key (43) is installed on one side of the side frame (42); the temperature adjustment key (43) is electrically connected to the temperature adjustment component (41); a switch control key (44) is installed at the bottom of the side frame (42); a sensing circuit board (45) is installed at the top of the side frame (42); and a laser probe (46) is electrically connected to the sensing circuit board (45) at the top end of the side frame (42).

3. The intelligent thermostat for automatic adjustment of household appliances according to claim 2, characterized in that: A display screen is provided on one side of the sensing circuit board (45), and the display screen is used to display the detected ambient temperature and the preset on / off temperature threshold of the temperature adjustment key (43).

4. The intelligent thermostat for automatic adjustment of household appliances according to claim 2, characterized in that: The temperature regulating assembly (41) includes an air pipe (411) fixedly connected to the side frame (42); the side frame (42) is provided with a micro air pump (412) on one side of the air pipe (411); the micro air pump (412) is electrically connected to the sensing circuit board (45); one side of the air pipe (411) extends through the interior of the temperature control mechanism (3), and a corrugated hose (413) is provided at the end thereof.

5. The intelligent thermostat for automatic adjustment of household appliances according to claim 4, characterized in that: The temperature control mechanism (3) includes a temperature display screen (31) arranged on the outside of the housing (1), a temperature adjustment key group (32) is arranged at the bottom of the temperature display screen (31), and a temperature adjustment circuit board (33) is installed inside the housing (1), and one side of the temperature adjustment circuit board (33) is electrically connected to the temperature adjustment key group (32).

6. The intelligent thermostat for automatic adjustment of household appliances according to claim 5, characterized in that: A fixed contact switch (34) is installed on one side of the temperature control circuit board (33), a movable contact switch (35) is provided at the bottom of the fixed contact switch (34), and the bottom of the movable contact switch (35) is fixedly connected to the top of the corrugated hose (413).

7. The intelligent thermostat for automatic adjustment of household appliances according to claim 1, characterized in that: The time control mechanism (2) comprises a time display screen (21) arranged on one side of the exterior of the housing (1); a time adjustment key group (22) is arranged on the exterior of the housing (1) to fit the time display screen (21); a time adjustment circuit board (23) is installed inside the housing (1); the time display screen (21) and the time adjustment key group (22) are both electrically connected to the time adjustment circuit board (23).

8. The intelligent thermostat for automatic adjustment of household appliances according to claim 1, characterized in that: Both sides of the housing (1) are provided with heat dissipation holes (5), and one side is provided with a contact connection group (6).

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