Automatic door opening control device and steaming oven

Abstract

The utility model discloses an automatic door opening control device which comprises a pressure detection device, a target sensing device and a control device, the pressure detection device and the target sensing device are respectively in electric connection and communication connection with the control device, and the pressure detection device is embedded in a machine door body and is arranged close to the outer surface of the machine door body; the control device comprises a pressure processing module, a target detection module and a driving module, and the pressure processing module and the target detection module are electrically and communicatively connected with the driving module; the pressure processing module is in electric connection and communication connection with the pressure detection device, the target detection module is in electric connection and communication connection with the target sensing device, and the driving module is fixedly connected with the machine door body and controls the machine door body to perform opening and closing movement. By arranging the pressure detection device and the target sensing device, the intelligence and reliability of the automatic door opening control device are improved, and the convenience problem of executing the actions of opening the door and putting the baking tray by a user is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of steam ovens, in particular to an automatic door opening control device and a steam oven. Background Art

[0002] Steam ovens are usually installed in cabinets close to the ground. For safety reasons, the door is designed to require a large pulling force to open. Usually, the door needs to be opened by the user with both hands. When using a steam oven, the user often needs to put the baking tray or grill containing food aside, bend over to open the door, and then put the baking tray or grill containing food into the oven, resulting in a poor user experience.

[0003] In the prior art, the pressure signal at the door handle is detected to determine whether the automatic door opening operation needs to be performed. Since the user needs to apply pressure to the door handle, the user cannot perform the actions of opening the door and placing the baking tray in a continuous manner. In addition, the detection method is not intelligent enough and is prone to false detection. Steam ovens with a one-button door opening function are usually high-end products with high prices. Therefore, a convenient and reliable automatic door opening control device is urgently needed to solve the above problems. Utility Model Content

[0004] The utility model provides an automatic door opening control device and a steam oven, which realize the automatic door opening function of the steam oven by combining a pressure detection device and a target sensing device, thereby solving the problem of convenience for users to open the door and put in a baking tray.

[0005] According to one aspect of the utility model, an automatic door opening control device is provided.

[0006] The automatic door opening control device includes a pressure detection device, a target sensing device and a control device.

[0007] The pressure detection device and the target sensing device are respectively electrically connected and communicatively connected to the control device, and the pressure detection device is embedded in the machine door body and arranged close to the outer surface of the machine door body;

[0008] The control device comprises a pressure processing module, a target detection module and a driving module, wherein the pressure processing module and the target detection module are respectively electrically connected and communicatively connected to the driving module;

[0009] The pressure processing module is electrically connected and communicatively connected to the pressure detection device, the target detection module is electrically connected and communicatively connected to the target sensing device, and the driving module is fixedly connected to the machine door body and controls the machine door body to open and close.

[0010] Furthermore, the pressure detection device includes a piezoelectric sensor and a first interface.

[0011] The pressure sensor is electrically connected to the first interface, and the first interface is electrically connected and communicatively connected to the pressure processing module.

[0012] Furthermore, the target sensing device includes an infrared sensing module and a second interface.

[0013] The infrared sensing module is electrically connected to the second interface, and the second interface is electrically connected and communicatively connected to the target detection module.

[0014] Furthermore, the infrared sensing module includes an infrared transmitting unit and an infrared receiving unit.

[0015] The infrared transmitting unit and the infrared receiving unit are electrically connected to the second interface respectively.

[0016] Furthermore, the driving module includes an opening and closing judgment unit and a driving unit.

[0017] The opening and closing judgment unit is electrically connected to the driving unit and is in communication connection with the driving unit.

[0018] Further, the opening and closing judgment unit is electrically connected and communicatively connected to the pressure processing module, and the opening and closing judgment unit is electrically connected and communicatively connected to the target detection module;

[0019] The driving unit is fixedly connected to the machine door body.

[0020] Furthermore, the automatic door opening control device also includes a trigger device, and the trigger device is electrically connected to the pressure processing module and the target detection module respectively.

[0021] Furthermore, the trigger device includes a first trigger device and a second trigger device, the first trigger device is electrically connected to the pressure processing module, and the second trigger device is electrically connected to the target detection module.

[0022] Furthermore, the automatic door opening control device also includes a starting device, and the starting device is electrically connected to the pressure detection device, the target sensing device, and the control device respectively.

[0023] On the other hand, the utility model also provides a steam oven, comprising the above-mentioned automatic door opening control device.

[0024] The beneficial effects of the utility model are:

[0025] The utility model provides an automatic door opening control device, which includes a pressure detection device, a target sensing device and a control device, wherein the pressure detection device and the target sensing device are electrically connected and communicated with the control device respectively, and the pressure detection device is embedded in the machine door body and arranged close to the outer surface of the machine door body; the control device includes a pressure processing module, a target detection module and a drive module, wherein the pressure processing module and the target detection module are electrically connected and communicated with the drive module respectively; the pressure processing module is electrically connected and communicated with the pressure detection device, the target detection module is electrically connected and communicated with the target sensing device, and the drive module is fixedly connected with the machine door body and controls the machine door body to open and close. By setting the pressure detection device and the target sensing device, the automatic door opening caused by the user's accidental touch, the user's unintentional approach to the machine or the machine's misjudgment is prevented, the reliability of the automatic door opening is ensured, the intelligence and reliability of the automatic door opening control device are further improved, and the cost is reduced, and the convenience problem of the user's actions of opening the door and putting in the baking tray is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0027] Figure 1 It is a schematic block diagram of the structure of the automatic door opening control device provided by the embodiment of the utility model;

[0028] Among them, the corresponding reference numerals in the figure are: 1-pressure detection device, 2-target sensing device, 3-control device, 4-trigger device, 5-starting device. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Steam ovens are household appliances that combine steam boxes and ovens. They have multiple constant temperature steaming functions, from low-temperature fermentation to high-temperature baking, and can meet the needs of different ingredients and different cooking methods. Usually, steam ovens are embedded in cabinets close to the ground. When using steam ovens, for safety reasons, the door is designed to require a large pulling force to open. Usually, the door opening action requires the user to operate with both hands, which greatly affects the user experience of the steam oven.

[0031] like Figure 1 As shown, the embodiment of the utility model discloses an automatic door opening control device, which includes a pressure detection device 1, a target sensing device 2 and a control device 3.

[0032] The pressure detection device 1 and the target sensing device 2 are respectively electrically connected and communicatively connected to the control device 3, and the pressure detection device 1 is embedded in the machine door body and is arranged close to the outer surface of the machine door body;

[0033] The control device 3 includes a pressure processing module, a target detection module and a driving module, wherein the pressure processing module and the target detection module are electrically connected and communicated with the driving module respectively;

[0034] The pressure processing module is electrically and communicatively connected to the pressure detection device 1, the target detection module is electrically and communicatively connected to the target sensing device 2, and the driving module 3 is fixedly connected to the machine door body and controls the machine door body to open and close.

[0035] Optionally, the pressure detection device 1 is installed on the outer surface of the steam oven and is in a place where the user can kick it easily, and the pressure detection device 1 is used to detect the user's kicking or knocking action on the door body.

[0036] Optionally, the pressure detection device 1 is embedded in a non-stress-bearing structure of the steam oven and a position where the casing thickness is less than a preset thickness threshold, so as to improve the sensitivity and reliability of pressure detection.

[0037] Optionally, a receiving area is provided at a non-stress-bearing structure of the steam oven and at a position where the casing thickness is less than a preset thickness threshold to install the pressure detection device 1.

[0038] Optionally, the target sensing device 2 is installed on the outer surface of the steam oven, and the detection range includes the area near the steam oven. The target sensing device 2 is used to detect targets near the steam oven.

[0039] Optionally, the pressure processing module is used to perform pressure judgment on the output electrical signal of the pressure detection device 1 to obtain a pressure judgment result. Specifically, the pressure judgment result is whether a preset door opening condition is met, and the preset door opening condition may be a signal generated by detecting a preset number of knocking actions.

[0040] Optionally, the target detection module is used to perform target detection on the output electrical signal of the target sensing device 2 to obtain a target detection result. Specifically, the target detection result is whether there is an object in front of the door body.

[0041] Optionally, the driving module is used to control the machine door body to perform operations corresponding to the control results based on the control results obtained from the pressure judgment results and the target detection results.

[0042] Optionally, the pressure detection device 1 includes a piezoelectric sensor and a first interface.

[0043] The piezoelectric sensor is electrically connected to the first interface, and the first interface is electrically and communicatively connected to the pressure processing module.

[0044] Optionally, the piezoelectric sensor is a sensor based on the piezoelectric effect. The sensitive element of the piezoelectric sensor is made of piezoelectric material. When the piezoelectric material is subjected to force, a charge is generated on the surface. After the charge is amplified and the impedance is transformed by the charge amplifier and the measurement circuit, it becomes an electrical output proportional to the external force. The piezoelectric sensor has the advantages of wide bandwidth, high sensitivity, high signal-to-noise ratio, simple structure, reliable operation and light weight.

[0045] Optionally, the first interface is electrically and communicatively connected to the pressure processing module, and the first interface is used to transmit the electrical signal output by the piezoelectric sensor to the pressure processing module.

[0046] In this embodiment, pressure detection is performed using a piezoelectric sensor, which has a simple structure, high sensitivity, and a high signal-to-noise ratio, thereby reducing costs.

[0047] Optionally, the target sensing device 2 includes an infrared sensing module and a second interface.

[0048] The infrared sensing module is electrically connected to the second interface, and the second interface is electrically connected and communicatively connected to the target detection module.

[0049] Optionally, the infrared sensing module is a sensor that uses the physical properties of infrared rays for measurement and can be used to detect whether there is an object within the detection distance. The detection distance of the sensor can be adjusted by a potentiometer and has the characteristics of low interference, easy assembly, and easy use.

[0050] Optionally, the second interface is electrically and communicatively connected to the target detection module, and the second interface is used to transmit the electrical signal output by the infrared sensing module to the target detection module.

[0051] In this embodiment, target detection is performed through an infrared sensing module, the detection range is easy to adjust, the cost is low and the operation is reliable.

[0052] Optionally, the infrared sensing module includes an infrared transmitting unit and an infrared receiving unit.

[0053] The infrared transmitting unit and the infrared receiving unit are electrically connected to the second interface respectively.

[0054] Optionally, the infrared transmitting unit is used to transmit infrared light signals, and these infrared light signals are reflected to the infrared receiving unit when encountering obstacles, and the infrared receiving unit is used to receive these reflected infrared light signals.

[0055] Optionally, the carrier frequency of the infrared light signal emitted by the infrared transmitting unit must be consistent with the fixed frequency of the receiving head of the infrared receiving unit so that the reflected infrared light signal can be received.

[0056] In this implementation, based on the infrared transmitting unit and the infrared receiving unit, a one-transmit-one-receive detection method is used to improve the reliability of the target detection result.

[0057] Optionally, the driving module includes an opening and closing judgment unit and a driving unit.

[0058] The opening and closing judgment unit is electrically connected to the driving unit and is in communication connection with the driving unit.

[0059] Optionally, the opening and closing judgment unit is used to make a judgment based on the pressure judgment result and the target detection result, and control the machine door body to perform an operation corresponding to the control result according to the judgment result.

[0060] Optionally, when the pressure judgment result indicates that a preset door opening condition is met, and the target detection result indicates that there is an object in front of the door body, the judgment result is to instruct the drive unit to control the machine door body to open.

[0061] In this embodiment, the opening and closing judgment unit makes a judgment based on the pressure judgment result and the target detection result, and controls the machine door body to perform an operation corresponding to the control result according to the judgment result, thereby improving the reliability of the automatic door opening control device.

[0062] Optionally, the opening and closing judgment unit is electrically connected and communicatively connected to the pressure processing module, and the opening and closing judgment unit is electrically connected and communicatively connected to the target detection module;

[0063] The driving unit is fixedly connected to the machine door body.

[0064] Optionally, the driving unit may be an electric push rod, which includes a motor, and the push rod movement is completed by forward and reverse rotation of the motor to drive the machine door to open or close.

[0065] In this embodiment, the judgment is made based on the pressure judgment result and the target detection result, which improves the accuracy of the judgment and the reliability of the operation of the automatic door opening control device.

[0066] Optionally, the automatic door opening control device further includes a trigger device 4, and the trigger device 4 is electrically connected to the pressure processing module and the target detection module respectively.

[0067] Optionally, the trigger device 4 includes a first trigger device and a second trigger device, the first trigger device is electrically connected to the pressure processing module, and the second trigger device is electrically connected to the target detection module.

[0068] Optionally, the first trigger device is used to trigger the pressure processing module to operate, and the second trigger device is used to trigger the target detection module to operate.

[0069] In this embodiment, the pressure processing module and the target detection module are triggered to operate based on the trigger device, thereby improving the stability of the operation of the automatic door opening control device.

[0070] Optionally, the automatic door opening control device further includes a starting device 5, and the starting device 5 is electrically connected to the pressure detection device 1, the target sensing device 2, and the control device 3 respectively.

[0071] Optionally, the starting device 5 is used to control the operation of the pressure detection device 1, the target sensing device 2, and the control device 3 when the automatic door opening function is needed; and to stop the operation of the pressure detection device 1, the target sensing device 2, and the control device 3 when the automatic door opening function is not needed.

[0072] In this embodiment, the operating states of the pressure detection device 1, the target sensing device 2, and the control device 3 are controlled based on the starting device, thereby improving the controllability and reliability of the automatic door opening control device.

[0073] The embodiment of the utility model also provides an automatic door opening control method. When the automatic door opening function is needed, the starting device 5 is used to control the operation of the pressure detection device 1, the target sensing device 2, and the control device 3; the pressure detection device 1 is used to collect the signal generated by the kicking / knocking action of the object on the machine door body, and the pressure processing module is triggered by the first trigger device to operate, and the pressure judgment is performed on the collected signal to obtain the pressure judgment result; the target sensing device 2 is used to detect the target near the steam oven, and the target detection module is triggered by the second trigger device to operate, and the target detection is performed on the detected signal to obtain the target detection result; the opening and closing judgment unit is used to make a judgment based on the pressure judgment result and the target detection result. When the pressure judgment result indicates that the preset door opening condition is met and the target detection result indicates that there is an object in front of the door body, it is determined that the judgment result is to instruct the drive unit to control the machine door body to open; and the drive unit is used to drive the machine door body to open.

[0074] The embodiment of the utility model further discloses a steam oven, comprising the automatic door opening control device.

[0075] The above embodiments of the utility model have the following beneficial effects: the utility model proposes an automatic door opening control device, the automatic door opening control device includes a pressure detection device, a target sensing device and a control device, the pressure detection device and the target sensing device are respectively electrically connected and communicated with the control device, the pressure detection device is embedded in the machine door body and is arranged close to the outer surface of the machine door body; the control device includes a pressure processing module, a target detection module and a drive module, the pressure processing module and the target detection module are respectively electrically connected and communicated with the drive module; the pressure processing module is electrically connected and communicated with the pressure detection device, the target detection module is electrically connected and communicated with the target sensing device, the drive module is fixedly connected to the machine door body, and controls the machine door body to open and close. By setting the pressure detection device and the target sensing device, the automatic door opening caused by the user's accidental touch, the user's inadvertent approach to the machine or the machine's misjudgment is prevented, the reliability of the automatic door opening is guaranteed, the intelligence and reliability of the automatic door opening control device are further improved, and the cost is reduced, and the convenience problem of the user's actions of opening the door and putting in the baking tray is solved.

[0076] In the present invention, unless otherwise clearly specified and limited, the terms "connected", "connection" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be a connection between two elements or an interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0077] It should be noted that the sequence of the above embodiments of the utility model is only for description and does not represent the advantages and disadvantages of the embodiments. The above description describes specific embodiments, and other embodiments are also within the scope of the attached claims. In some cases, the actions or steps recorded in the claims can be performed in the order of different embodiments and can achieve the expected results. In addition, the processes depicted in the drawings do not necessarily require a specific order or connection order to achieve the desired results. In some embodiments, multi-task parallel processing is also possible or may be advantageous.

[0078] The various embodiments in this specification are described in a progressive manner, and the same or similar parts between the various embodiments can be referenced to each other, and each embodiment focuses on the differences from other embodiments.

[0079] The above are only preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. An automatic door opening control device, characterized in that: The automatic door opening control device comprises a pressure detection device (1), a target sensing device (2) and a control device (3). The pressure detection device (1) and the target sensing device (2) are respectively electrically connected and communicatively connected to the control device (3); the pressure detection device (1) is embedded in the machine door body and is arranged close to the outer surface of the machine door body; The control device (3) comprises a pressure processing module, a target detection module and a driving module, wherein the pressure processing module and the target detection module are respectively electrically connected and communicatively connected to the driving module; The pressure processing module is electrically connected and communicatively connected to the pressure detection device (1), the target detection module is electrically connected and communicatively connected to the target sensing device (2), and the driving module is fixedly connected to the machine door body and controls the machine door body to perform opening and closing movements.

2. The automatic door opening control device according to claim 1, characterized in that: The pressure detection device (1) comprises a piezoelectric sensor and a first interface, The piezoelectric sensor is electrically connected to the first interface, and the first interface is electrically and communicatively connected to the pressure processing module.

3. The automatic door opening control device according to claim 1, characterized in that: The target sensing device (2) comprises an infrared sensing module and a second interface, The infrared sensing module is electrically connected to the second interface, and the second interface is electrically connected and communicatively connected to the target detection module.

4. The automatic door opening control device according to claim 3, characterized in that: The infrared sensing module includes an infrared transmitting unit and an infrared receiving unit. The infrared transmitting unit and the infrared receiving unit are electrically connected to the second interface respectively.

5. The automatic door opening control device according to claim 1, characterized in that: The driving module includes an opening and closing judgment unit and a driving unit. The opening and closing judgment unit is electrically connected to the driving unit and is in communication connection with the driving unit.

6. The automatic door opening control device according to claim 5, characterized in that: The opening and closing judgment unit is electrically connected and communicated with the pressure processing module, and the opening and closing judgment unit is electrically connected and communicated with the target detection module; The driving unit is fixedly connected to the machine door body.

7. The automatic door opening control device according to claim 1, characterized in that: The automatic door opening control device also includes a trigger device (4), and the trigger device (4) is electrically connected to the pressure processing module and the target detection module respectively.

8. The automatic door opening control device according to claim 7, characterized in that: The trigger device (4) comprises a first trigger device and a second trigger device, wherein the first trigger device is electrically connected to the pressure processing module, and the second trigger device is electrically connected to the target detection module.

9. The automatic door opening control device according to claim 1, characterized in that: The automatic door opening control device further comprises a starting device (5), and the starting device (5) is electrically connected to the pressure detection device (1), the target sensing device (2), and the control device (3) respectively.

10. A steam oven, characterized in that: It comprises the automatic door opening control device as described in any one of claims 1-9.

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