CN214231251U - Dish washing machine - Google Patents
Dish washing machine Download PDFInfo
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- CN214231251U CN214231251U CN202022737117.1U CN202022737117U CN214231251U CN 214231251 U CN214231251 U CN 214231251U CN 202022737117 U CN202022737117 U CN 202022737117U CN 214231251 U CN214231251 U CN 214231251U
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- signal
- dishwasher
- spray arm
- control circuit
- water inflow
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Abstract
The embodiment of the application provides a dish washer, including control circuit, signal transmitter, signal receiver and spray arm, wherein, signal transmitter is used for transmitting optical signal, and signal receiver is used for generating the signal of telecommunication and will according to received optical signal the signal of telecommunication transmits for control circuit, spray arm connect through the pivot on the first inner chamber wall of dish washer, spray arm's rotation plane is on a parallel with first inner chamber wall. Based on this, because the spray arm can shelter from the optical signal of signal transmitter to signal receiver transmission when rotating to preset position, consequently control circuit can confirm the rotational speed of spray arm according to the electric signal, and then confirms the inflow of dish washer, so, control circuit can carry out the washing task according to inflow control dish washer, according to the washing mode of inflow control dish washer promptly.
Description
Technical Field
The application relates to the technical field of household appliances, in particular to a dish washing machine.
Background
Some current dishwashers wash dishes in a spray manner, for example, the dishwasher may transport water from a water inlet pipe to a spray arm via a wash pump, thereby spraying the water onto the dishes. In order to improve the soil-removing ability of the dishwasher, the dishwasher may be further provided with a heater so that water is heated by the heater to improve the soil-removing ability. However, the washing mode of the existing dish washer is usually a fixed mode, and is not combined with the water inlet amount of the dish washer, for example, the washing pump and the heater are always operated under the rated power when the dish washer is operated in the washing mode.
SUMMERY OF THE UTILITY MODEL
Based on this, the present application provides a dishwasher, which determines a water inflow amount of the dishwasher by detecting a rotation speed of a spray arm to control a washing mode of the dishwasher according to the water inflow amount.
In a first aspect, the present application provides a dishwasher, comprising:
a control circuit;
a signal transmitter for transmitting an optical signal;
the signal receiver is used for generating an electric signal according to the received optical signal and transmitting the electric signal to the control circuit;
the spraying arm is connected to the wall of a first inner cavity of the dishwasher through a rotating shaft, the rotating plane of the spraying arm is parallel to the wall of the first inner cavity, and when the spraying arm rotates to a preset position, the spraying arm can shield an optical signal emitted to the signal receiver by the signal emitter;
the control circuit is used for determining the rotation speed of the spray arm according to the electric signal, determining the water inflow of the dishwasher according to the rotation speed of the spray arm and controlling the dishwasher to execute a washing task according to the water inflow of the dishwasher.
Optionally, the signal transmitter and the signal receiver are integrally arranged.
Optionally, the signal emitter and the signal receiver are arranged on the wall of the first inner cavity at intervals, and the arrangement direction between the signal emitter and the signal receiver is parallel to the axis of the rotating shaft; when the spray arm rotates to a preset position, the end part of the spray arm is located between the signal transmitter and the signal receiver.
Optionally, one of the signal transmitter and the signal receiver is disposed on the first inner cavity wall, and the other is disposed on a second inner cavity wall opposite to or adjacent to the first inner cavity wall.
Optionally, when the spray arm rotates to a preset position, the end of the spray arm can shield the optical signal emitted from the signal emitter to the signal receiver.
Optionally, the control circuit is configured to determine a rotation speed of the spray arm according to a signal frequency of the electrical signal.
Optionally, the dishwasher further comprises a heater and a washing pump; the control circuit is used for controlling the heater and/or the washing pump to execute a washing task according to the water inflow of the dishwasher.
Optionally, the control circuit is configured to: when the water inflow of the dishwasher exceeds a first preset threshold value, controlling the heater to continuously heat; and when the water inflow of the dishwasher is lower than the first preset threshold value, controlling the heater to stop heating.
Optionally, the control circuit is configured to: when the water inflow of the dishwasher exceeds a second preset threshold value, controlling the heater to continuously heat; when the water inflow of the dishwasher is between the second preset threshold and a third preset threshold, controlling the heater to intermittently heat; and when the water inflow of the dishwasher is lower than a third preset threshold value, controlling the heater to stop heating, wherein the second preset threshold value is larger than the third preset threshold value.
Optionally, the signal transmitter includes an infrared transmitting tube, and the signal receiver includes an infrared receiving tube, a photosensitive receiving tube or an infrared receiving head.
Optionally, the rotating shaft is fixedly connected with the first inner cavity wall, and the spray arm can rotate relative to the rotating shaft; or the spray arm is fixedly connected with the rotating shaft, and the rotating shaft can rotate relative to the first inner cavity wall.
Optionally, the spray arm is provided with a plurality of water outlets on an outer surface back to the first inner cavity wall.
The embodiment of the application provides a dish washer, including control circuit, signal transmitter, signal receiver and spray arm, wherein, signal transmitter is used for transmitting optical signal, and signal receiver is used for generating the signal of telecommunication and will according to received optical signal the signal of telecommunication transmits for control circuit, spray arm connect through the pivot on the first inner chamber wall of dish washer, spray arm's rotation plane is on a parallel with first inner chamber wall. Based on this, because the spray arm can shelter from the optical signal of signal transmitter to signal receiver transmission when rotating to preset position, consequently control circuit can confirm the rotational speed of spray arm according to the electric signal, and then confirms the inflow of dish washer, so, control circuit can carry out the washing task according to inflow control dish washer, according to the washing mode of inflow control dish washer promptly.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic diagram of an optional application scenario according to embodiments of the present application;
FIG. 2 is a schematic structural diagram of a dishwasher according to an embodiment of the present application;
FIG. 3 is a schematic waveform of an electrical signal according to an embodiment of the present application;
FIG. 4 is a schematic view of another embodiment of the dishwasher of the present application;
FIG. 5 is a schematic view of another embodiment of the dishwasher of the present application;
fig. 6 is a schematic structural diagram of a spray arm according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. 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 application.
It is to be understood that the terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the specification of the present application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should also be understood that the terms "first," "second," "third," "fourth," and the like in the description, in the claims, or in the above-described drawings (if any) are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order, and may be construed to indicate or imply relative importance or implicitly to the features indicated.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
The embodiment of the present application may be applied to a dishwasher as shown in fig. 1, which may include a body having an inner cavity therein for placing dishes therein, and a movable door connected to the body, and it is understood that the inner cavity is a spatial region composed of a plurality of inner cavity walls.
The dishwasher provided by the embodiment of the present application, as shown in fig. 2, may include: control circuitry (not shown), a signal transmitter 101, a signal receiver 102, and a spray arm 103.
In some embodiments, the control circuit may include a Micro Controller Unit (MCU); the signal transmitter 101 may include an infrared transmitting tube, and the signal receiver 102 may include an infrared receiving tube, a photosensitive receiving tube, or an infrared receiving head; in addition, both the signal transmitter 101 and the signal receiver 102 may be waterproof components.
Wherein the spray arm 103 is connected to a first inner cavity wall 105 of the dishwasher through a rotating shaft 104, and a rotating plane of the spray arm 103 is parallel to the first inner cavity wall 105, in some embodiments, the rotating shaft 104 is fixedly connected to the first inner cavity wall 105, and the spray arm 103 can rotate relative to the rotating shaft 104, or, the spray arm 103 is fixedly connected to the rotating shaft 104, and the rotating shaft 104 can rotate relative to the first inner cavity wall 105, that is, the spray arm 103 can rotate relative to the first inner cavity wall 105. Specifically, when the dishwasher is operated in a washing mode, the spray arm 103 is driven by water flow to rotate, for example, clockwise relative to the first inner cavity wall 105, based on which, the inventor finds that the rotation speed of the spray arm 103 is in positive correlation with the water inflow of the dishwasher, for example, the spray arm 103 rotates faster when the water inflow of the dishwasher is larger, and the spray arm 103 rotates slower when the water inflow of the dishwasher is smaller, therefore, the inventor provides the signal transmitter 101 and the signal receiver 102 for detecting the rotation speed of the spray arm 103.
Specifically, the signal transmitter 101 is configured to transmit an optical signal, and the signal receiver 102 is configured to generate an electrical signal according to the received optical signal and transmit the electrical signal to the control circuit. In some embodiments, the control circuit may connect the signal transmitter 101 and the signal receiver 102, such that when the dishwasher is operating in a washing mode, the control circuit may control the signal transmitter 101 to turn on and emit a light signal, and the light signal emitted from the signal transmitter 101 may be directly emitted to the signal receiver 102, so that in this case, the signal receiver 102 may generate an electrical signal according to the light signal and transmit the electrical signal to the control circuit, based on which, in order to enable the control circuit to determine a rotation speed of the spray arm 103 according to the electrical signal, the inventor may shield the light signal emitted from the signal transmitter 101 to the signal receiver 102 when the spray arm 103 is rotated to a preset position, such that the signal receiver 102 cannot output the electrical signal to the control circuit due to not receiving the light signal emitted from the signal transmitter 101 during the shielding time, or output an electrical signal with a weak intensity to the control circuit, the preset position refers to a position that, under the condition that the signal emitter 101 and the signal receiver 102 are both fixedly arranged, when the spray arm 103 rotates to a specific position, the optical signal emitted from the signal emitter 101 to the signal receiver 102 can be just shielded, and then the position is the preset position.
Therefore, the control circuit may determine the rotation speed of the spray arm 103 according to the electrical signal, and in some embodiments, the control circuit may determine the rotation speed of the spray arm 103 according to the signal frequency of the electrical signal, specifically, as shown in fig. 3, when the spray arm 103 is not shielded, the signal receiver 102 may receive the optical signal emitted by the signal emitter 101, and thus the signal intensity of the generated electrical signal is relatively large, for example, greater than the first threshold, and may be considered as a high level, and when the spray arm 103 is shielded, the signal receiver 102 may not receive the optical signal emitted by the signal emitter 101, and thus the signal intensity of the generated electrical signal is relatively small, for example, less than the second threshold, and may be considered as a low level; in addition, a mapping relationship between the frequency and the rotation speed of the spray arm 103 may be previously stored in a storage unit of the dishwasher. Based on this, the control circuit can determine the frequency according to the number of times of switching between high and low levels per unit time, and then determine the rotation speed of the nozzle arm 103 in combination with the mapping relationship.
The control circuit may determine the water inflow amount of the dishwasher according to the rotation speed of the spray arm 103 after determining the rotation speed of the spray arm 103, and in some embodiments, a mapping relationship between the rotation speed of the spray arm 103 and the water inflow amount may be previously stored in a storage unit of the dishwasher, so that the control circuit may determine the water inflow amount of the dishwasher according to the rotation speed of the spray arm 103 and the mapping relationship. As such, the control circuit may control the dishwasher to perform a washing task according to the water inflow of the dishwasher, and in some embodiments, the dishwasher may include a heater and a washing pump, wherein the washing pump may be used to deliver water from the water inlet pipe to the spray arm 103, and the heater may be used to heat the water delivered to the spray arm 103, based on which the control circuit may control the heater and/or the washing pump to perform a washing task according to the water inflow.
In some embodiments, when the water inflow of the dishwasher exceeds a first preset threshold, which indicates that the water inflow is sufficient, the control circuit may control the heater to continuously heat and/or control the washing pump to operate at a lower power (e.g., slightly lower than the rated power), so as to not only reduce the overall power consumption but also not affect the washing effect; when the water inflow of the dishwasher is lower than the first preset threshold value, which indicates that the water inflow is insufficient, the control circuit can control the heater to stop heating, and/or control the washing pump to operate at a higher power (for example, at the rated power or slightly higher than the rated power), so that the heater can be prevented from being damaged due to dry burning. In addition, the actual size of the first preset threshold value can be reasonably set according to actual needs.
In some embodiments, when the water inflow of the dishwasher exceeds a second preset threshold, which indicates that the water inflow is sufficient, the control circuit may control the heater to continuously heat and/or control the washing pump to operate at a lower power (e.g., slightly lower than the rated power), so as to not only reduce the overall power consumption but also not affect the washing effect; when the water inflow of the dishwasher is between the second preset threshold and the third preset threshold, the water inflow is slightly insufficient, the control circuit can control the heater to intermittently heat, for example, the heater is turned off for a few seconds after heating for a few seconds, and is turned off for a few seconds after reheating for a few seconds, and/or the washing pump is controlled to run at rated power, so that the washing effect can be ensured, and the heater can be effectively protected; when the water inflow of the dishwasher is lower than a third preset threshold value, which indicates that the water inflow is insufficient, the control circuit may control the heater to stop heating, and/or control the washing pump to operate at a higher power (e.g., slightly higher than the rated power), so that the heater may be prevented from being damaged due to dry burning. In addition, the second preset threshold is larger than the third preset threshold, and the second preset threshold and the third preset threshold can be reasonably set according to actual needs.
In summary, because the spray arm 103 can shield the optical signal emitted from the signal emitter 101 to the signal receiver 102 when rotating to the preset position, the control circuit can determine the rotation speed of the spray arm 103 according to the electrical signal, and further determine the water inflow of the dishwasher, so the control circuit can control the dishwasher to execute the washing task according to the water inflow, that is, the washing mode of the dishwasher is controlled according to the water inflow, and it can be understood that the dishwasher can operate in a better state.
In some embodiments, the signal emitter 101 and the signal receiver 102 are integrally disposed, and specifically, the signal emitter 101 and the signal receiver 102 may be fixedly connected and form a component disposed on the first inner cavity wall 105, so that the structure is simple and the wiring is easy. Based on this, as shown in fig. 2, the signal emitter 101 and the signal receiver 102 are disposed on the first inner cavity wall 105 at an interval, and an arrangement direction between the signal emitter 101 and the signal receiver 102 is parallel to an axis of the rotating shaft 104, specifically, there is an interval between the signal emitter 101 and the signal receiver 102, so that the signal emitter 101 can emit the optical signal to the signal receiver 102, and since the arrangement direction therebetween is parallel to the axis of the rotating shaft 104, the emission direction of the optical signal is also parallel to the axis of the rotating shaft 104. Based on this, when the spray arm 103 is rotated to a preset position, the end of the spray arm 103 may be located between the signal emitter 101 and the signal receiver 102, such that a shield may be formed, thereby allowing the control circuit to determine the rotation speed of the spray arm 103 according to the electrical signal.
In some embodiments, one of the signal emitter 101 and the signal receiver 102 is disposed on the first inner cavity wall 105, and the other is disposed on the second inner cavity wall 106 opposite or adjacent to the first inner cavity wall 105, for example, as shown in fig. 4, the signal receiver 102 is disposed on the first inner cavity wall 105, and the signal emitter 101 is disposed on the second inner cavity wall 106 adjacent to the first inner cavity wall 105; for another example, as shown in fig. 5, the signal receiver 102 is disposed on a first inner cavity wall 105, and the signal emitter 101 is disposed on a second inner cavity wall 106 opposite to the first inner cavity wall 105, in some embodiments, when the spray arm 103 rotates to a preset position, an end of the spray arm 103 can block the optical signal emitted from the signal emitter 101 to the signal receiver 102. It will be appreciated that this makes the structure simpler and easier to route.
In some embodiments, as shown in fig. 6, the spray arm is provided with a plurality of water outlet holes 1031 on the outer surface facing away from the first inner cavity wall 105, and it is understood that the water flow can drive the spray arm 103 to rotate through the inclined water outlet holes 1031.
While the invention has been described with reference to specific embodiments, the scope of the invention is not limited thereto, and those skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the invention. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (12)
1. A dishwasher, comprising:
a control circuit;
a signal transmitter for transmitting an optical signal;
the signal receiver is used for generating an electric signal according to the received optical signal and transmitting the electric signal to the control circuit;
the spraying arm is connected to the wall of a first inner cavity of the dishwasher through a rotating shaft, the rotating plane of the spraying arm is parallel to the wall of the first inner cavity, and when the spraying arm rotates to a preset position, the spraying arm can shield an optical signal emitted to the signal receiver by the signal emitter;
the control circuit is used for determining the rotation speed of the spray arm according to the electric signal, determining the water inflow of the dishwasher according to the rotation speed of the spray arm and controlling the dishwasher to execute a washing task according to the water inflow of the dishwasher.
2. The dishwasher of claim 1, wherein the signal transmitter is integrally provided with the signal receiver.
3. The dishwasher of claim 2, wherein the signal emitter and the signal receiver are arranged on the first inner cavity wall at intervals, and the arrangement direction between the signal emitter and the signal receiver is parallel to the axis of the rotating shaft;
when the spray arm rotates to a preset position, the end part of the spray arm is located between the signal transmitter and the signal receiver.
4. The dishwasher of claim 1, wherein one of the signal emitter and the signal receiver is disposed on the first interior chamber wall and the other is disposed on a second interior chamber wall opposite or adjacent to the first interior chamber wall.
5. The dishwasher of claim 4, wherein the end of the spray arm is capable of shielding the optical signal emitted by the signal emitter to the signal receiver when the spray arm is rotated to a preset position.
6. The dishwasher of any one of claims 1 to 5, wherein the control circuit is configured to determine the speed of rotation of the spray arm based on a signal frequency of the electrical signal.
7. The dishwasher of any one of claims 1 to 5, further comprising a heater and a wash pump;
the control circuit is used for controlling the heater and/or the washing pump to execute a washing task according to the water inflow of the dishwasher.
8. The dishwasher of claim 7, wherein the control circuit is to: when the water inflow of the dishwasher exceeds a first preset threshold value, controlling the heater to continuously heat; and when the water inflow of the dishwasher is lower than the first preset threshold value, controlling the heater to stop heating.
9. The dishwasher of claim 7, wherein the control circuit is to: when the water inflow of the dishwasher exceeds a second preset threshold value, controlling the heater to continuously heat; when the water inflow of the dishwasher is between the second preset threshold and a third preset threshold, controlling the heater to intermittently heat; and when the water inflow of the dishwasher is lower than a third preset threshold value, controlling the heater to stop heating, wherein the second preset threshold value is larger than the third preset threshold value.
10. The dishwasher of any one of claims 1 to 5, wherein the signal transmitter comprises an infrared ray transmitting tube and the signal receiver comprises an infrared ray receiving tube, a photosensitive receiving tube or an infrared ray receiving head.
11. The dishwasher of any one of claims 1 to 5, wherein the shaft is fixedly connected to the first inner chamber wall, and the spray arm is rotatable relative to the shaft; or the spray arm is fixedly connected with the rotating shaft, and the rotating shaft can rotate relative to the first inner cavity wall.
12. The dishwasher of any one of claims 1 to 5, wherein the spray arm is provided with a plurality of water outlet holes inclined on an outer surface facing away from the first interior chamber wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022737117.1U CN214231251U (en) | 2020-11-23 | 2020-11-23 | Dish washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022737117.1U CN214231251U (en) | 2020-11-23 | 2020-11-23 | Dish washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214231251U true CN214231251U (en) | 2021-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022737117.1U Active CN214231251U (en) | 2020-11-23 | 2020-11-23 | Dish washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214231251U (en) |
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2020
- 2020-11-23 CN CN202022737117.1U patent/CN214231251U/en active Active
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