CN211546994U - Washing machine liquid level measuring device based on infrared distance measuring sensor - Google Patents
Washing machine liquid level measuring device based on infrared distance measuring sensor Download PDFInfo
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- CN211546994U CN211546994U CN201921929434.4U CN201921929434U CN211546994U CN 211546994 U CN211546994 U CN 211546994U CN 201921929434 U CN201921929434 U CN 201921929434U CN 211546994 U CN211546994 U CN 211546994U
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- shell
- communicating vessel
- infrared distance
- washing machine
- distance measuring
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Abstract
The utility model discloses a washing machine liquid level measurement device based on infrared distance measuring sensor, concrete design sensor application technique, especially washing machine liquid level measurement device's based on infrared distance measuring sensor design and improvement. Comprises a communicating vessel shell, a filter screen, a buoy and a main control panel; the main control board is fixed at the top end of the left side of the shell of the communicating vessel through screws, and the tail end of the main control board is provided with an infrared distance measuring module for measuring distance; the filter screen is arranged at the joint of the communicating vessel shell and the water storage barrel of the washing machine and is used for filtering impurities in water and reducing the interference on the measurement result; the buoy is positioned in the inner cavity of the shell of the communicating vessel and is used as a mark for spacing the liquid level and the air, so that the distance measurement of the infrared distance measuring module is facilitated; the height of the inner cavity of the communicating vessel shell and the water storage barrel of the washing machine which are connected into a whole is consistent with that of the inner cavity of the water storage barrel. The beneficial effects of the utility model are that, can real-time supervision water level height.
Description
Technical Field
The utility model discloses a washing machine liquid level measurement device based on infrared distance measuring sensor, concrete design sensor application technique, especially washing machine liquid level measurement device's based on infrared distance measuring sensor design and improvement.
Background
When the water is injected into the water storage barrel in the washing machine, the height of the water level in the washing machine needs to be measured so as to realize real-time monitoring of the height of the water level and finally realize the purpose of water saving. Inside the water storage barrel, the measurement of the liquid level is limited due to the existence of clothes and detergent foam, and the measuring device is easily damaged during washing.
SUMMERY OF THE UTILITY MODEL
Not enough more than for solving, the utility model discloses a washing machine liquid level measurement device based on infrared distance measuring sensor.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model discloses a washing machine liquid level measurement device based on infrared distance measuring sensor, its characterized in that: comprises a communicating vessel shell, a filter screen, a buoy and a main control panel; the main control board is fixed at the top end of the left side of the shell of the communicating vessel through screws, and the tail end of the main control board is provided with an infrared distance measuring module for measuring distance; the filter screen is arranged at the joint of the communicating vessel shell and the water storage barrel of the washing machine and is used for filtering impurities in water and reducing the interference on the measurement result; the buoy is positioned in a cavity in the communicating vessel shell and is used as a mark for spacing a liquid level and air, so that the distance measurement of the infrared distance measuring module is facilitated; the shell of the communicating vessel and the water storage barrel of the washing machine are connected into a whole, and the height of the inner cavity of the communicating vessel is consistent with that of the inner cavity of the water storage barrel.
Above any scheme preferred, the inside cavity of linker shell is black, does dull polish and handles, and surface coating hydrophobic material, and the cross section is the rectangle, and is the long limit with the same direction of infrared ranging module transmission head to receiving head, and the area is greater than 0.008m2。
In any of the above schemes, preferably, the buoy is also made of white plastic with a rectangular shape, the length and width of the rectangle are 2mm smaller than those of the cavity in the shell of the communicating vessel, the density of the rectangle is smaller than that of water, and the upper surface of the buoy is smooth.
Above arbitrary scheme preferred, the main control board, external power supply, infrared ranging module on the installation back main control board is 4cm from the inside cavity top of linker shell, and the detection mouth of the infrared ranging module on the main control board is just to the inside cavity of linker shell.
Above any scheme preferred, the linker shell, inside cavity upper end, infrared ranging module's detection mouth below has the round arch for the displacement in the restriction buoy vertical direction.
The beneficial effects of the utility model are that, can real-time supervision water level height.
Drawings
FIG. 1 is a schematic diagram of a washing machine liquid level measuring device based on an infrared distance measuring sensor;
in fig. 1, reference numeral 1 denotes a housing of the communicating vessel, reference numeral 2 denotes a filter net, reference numeral 3 denotes a float, and reference numeral 4 denotes a main control panel.
Detailed Description
The invention will be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and descriptions are provided to explain the invention, but not to limit the invention.
Example (b):
washing machine liquid level measurement device based on infrared distance measuring sensor includes: the device comprises a communicating vessel shell 1, a filter screen 2, a buoy 3 and a main control board 4. The main control board 4 is fixed at the top end of the left side of the communicating vessel shell 1 through screws, and the tail end of the main control board is provided with an infrared distance measuring module for measuring distance; the filter screen 2 is arranged at the joint of the communicating vessel shell 1 and the water storage barrel of the washing machine and is used for filtering impurities in water and reducing the interference on the measurement result; the buoy 3 is positioned in the inner cavity of the communicating vessel shell 1 and is used as a mark for spacing the liquid level and the air, so that the distance measurement of the infrared distance measuring module is facilitated; the communicating vessel shell 1 and the water storage barrel of the washing machine are connected into a whole, and the height of the inner cavity is consistent with that of the inner cavity of the water storage barrel.
The cavity in the shell 1 of the communicating vessel is black, frosting treatment is carried out, and a hydrophobic material is coated on the surface of the cavity, so that the interference of the shell 1 of the communicating vessel on the measuring result can be reduced, the cross section of the cavity in the shell 1 of the communicating vessel is rectangular, and the cross section of the cavity is long in the same direction with the emitting head to the receiving head of the infrared ranging module, so that the interference of an external object is reduced when the infrared ranging sensor is used for measuring, and the side length in the example is 15cm and 8 cm.
The float 3 is also rectangular with a length and width 2mm less than the internal cavity of the housing of the connector and a density less than that of water, in this example the bottom surface of the float is of foam and the upper surface of the float is of smooth white plastic. This is advantageous for reflecting infrared rays and enhancing the reliability of the measurement result.
The main control board 4 is provided with an embedded CPU module, an executable program is burnt in the main control board, the infrared distance measuring module at the tail end adopts an infrared distance measuring sensor module of a model of Charpy GP2Y0A41SK0F, and the effective measuring distance is 4 cm-30 cm. The operating voltage is 5V. After the water storage barrel of the washing machine is filled with water, the embedded CPU module on the main control board 4 reads the numerical value of the infrared distance measuring module converted by the AD conversion circuit through the I/O port, and the current distance is calculated through an internal executable program.
The above description is only an embodiment of the present invention, and does not limit the present invention, and those skilled in the art can make various modifications and variations. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (5)
1. Washing machine liquid level measurement device based on infrared distance measuring sensor, its characterized in that:
comprises a communicating vessel shell, a filter screen, a buoy and a main control panel;
the main control board is fixed at the top end of the left side of the shell of the communicating vessel through screws, and the tail end of the main control board is provided with an infrared distance measuring module for measuring distance;
the filter screen is arranged at the joint of the communicating vessel shell and the water storage barrel of the washing machine and is used for filtering impurities in water and reducing the interference on the measurement result;
the buoy is positioned in a cavity in the communicating vessel shell and is used as a mark for spacing a liquid level and air, so that the distance measurement of the infrared distance measuring module is facilitated;
the shell of the communicating vessel and the water storage barrel of the washing machine are connected into a whole, and the height of the inner cavity of the communicating vessel is consistent with that of the inner cavity of the water storage barrel.
2. A washing machine liquid level measuring device based on infrared distance measuring sensor as claimed in claim 1, characterized in that:
the inner cavity of the shell of the communicating vessel is black and is frosted, the surface of the shell is coated with a hydrophobic material, the cross section of the shell is rectangular, the length of the cross section of the shell is long in the same direction from the transmitting head to the receiving head of the infrared ranging module, and the area of the shell is larger than 0.008m2。
3. A washing machine liquid level measuring device based on infrared distance measuring sensor as claimed in claim 1, characterized in that:
the buoy is also made of white plastic, the length and width of the rectangle of the buoy are 2mm smaller than those of the cavity in the shell of the communicating vessel, the density of the buoy is smaller than that of water, and the upper surface of the buoy is smooth.
4. A washing machine liquid level measuring device based on infrared distance measuring sensor as claimed in claim 1, characterized in that:
the infrared distance measuring module on the main control board is 4cm away from the top end of the inner cavity of the shell of the communicating vessel after the main control board is externally connected with a power supply and is installed, and the detection port of the infrared distance measuring module on the main control board is opposite to the inner cavity of the shell of the communicating vessel.
5. A washing machine liquid level measuring device based on infrared distance measuring sensor as claimed in claim 1, characterized in that:
the upper end of the inner cavity of the communicating vessel shell and the lower part of the detection port of the infrared distance measurement module are provided with a circle of bulges for limiting the displacement of the buoy in the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921929434.4U CN211546994U (en) | 2019-11-11 | 2019-11-11 | Washing machine liquid level measuring device based on infrared distance measuring sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921929434.4U CN211546994U (en) | 2019-11-11 | 2019-11-11 | Washing machine liquid level measuring device based on infrared distance measuring sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211546994U true CN211546994U (en) | 2020-09-22 |
Family
ID=72500674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921929434.4U Expired - Fee Related CN211546994U (en) | 2019-11-11 | 2019-11-11 | Washing machine liquid level measuring device based on infrared distance measuring sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211546994U (en) |
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2019
- 2019-11-11 CN CN201921929434.4U patent/CN211546994U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200922 Termination date: 20211111 |
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| CF01 | Termination of patent right due to non-payment of annual fee |