CN215724018U - Multifunctional sensing device - Google Patents
Multifunctional sensing device Download PDFInfo
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- CN215724018U CN215724018U CN202120778580.2U CN202120778580U CN215724018U CN 215724018 U CN215724018 U CN 215724018U CN 202120778580 U CN202120778580 U CN 202120778580U CN 215724018 U CN215724018 U CN 215724018U
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Abstract
The utility model provides a multifunctional sensing device, which solves the technical problem that in the prior art, the detection precision of a household appliance multifunctional sensing device is low when the household appliance multifunctional sensing device detects parameters of indoor or outdoor environment. According to the multifunctional sensing device provided by the embodiment of the utility model, the plurality of detection channels are arranged, and one sensor is arranged in each detection channel and is used for detecting parameters of air entering the detection channels from the external environment, such as temperature, humidity, PM2.5 concentration and the like, so that mutual interference among various sensors is reduced, and the detection precision of the sensors is further improved. In addition, because the multifunctional sensing device comprises a plurality of sensors, the multifunctional sensing device only needs to be directly arranged in the controller, and only needs to be connected with the second port and the control circuit board in the controller, and each sensor does not need to be installed one by one and is not connected with the control circuit board one by one.
Description
Technical Field
The utility model relates to the technical field of sensing, in particular to a multifunctional sensing device.
Background
With the development of the times and the progress of science and technology, people's living standard is also getting higher and higher, and household appliances such as a fresh air system, a household air conditioner, an air purifier, a humidifier, a dehumidifier and the like are used to improve the air quality in a house, and when the household appliances are used in the house, a multifunctional sensor is needed to control the on-off and adjustment of the household appliances.
In addition, in the conventional multifunctional sensor, when the quality of air can be detected from multiple dimensions, multiple sensors are often required to be arranged, but the multiple sensors are usually arranged in one detection channel, so that interference may be generated between the sensors, and therefore, the detection accuracy of the multifunctional sensor is affected, for example: when the existing multifunctional sensor is provided with the pm2.5 sensor, the pm2.5 sensor is generally arranged inside the shell, and outside air is introduced into a detection area of the pm2.5 sensor through a zigzag air channel. However, since the measured concentration value in the air duct has a deviation within a certain range from the actual value of the outside air in a natural state, the detection accuracy of the PM2.5 particle concentration in the detection room of the PM2.5 sensor is reduced.
Disclosure of Invention
In view of this, the present invention provides a multifunctional sensing device, which solves the technical problem of low detection accuracy of the multifunctional sensing device for household appliances in the prior art when detecting parameters of indoor or outdoor environment.
For the purpose of making the objects, technical means and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
According to an aspect of the present invention, an embodiment of the present invention provides a multifunctional sensing apparatus, including: a base; the detection chamber is arranged on the base, and a plurality of channels are arranged in the detection chamber; the sensors are respectively arranged in the channels one by one; and a circuit board disposed on the base, the circuit board including a first port and a second port; the various sensors are electrically connected with the first port of the circuit board, and the second port is used for being electrically connected with an external controller.
In an embodiment of the present invention, the sensor includes: a plurality of sensing elements sequentially disposed within the channel; the output circuit board is electrically connected with the plurality of sensing elements and is arranged in the same channel with the plurality of sensing elements; and one end of the connecting device is electrically connected with the output line, and the other end of the connecting device is electrically connected with the first port of the circuit board.
In an embodiment of the present invention, the extending direction of the channel is a first direction; in the first direction, the vertical distance of the channel in the second direction is gradually reduced and then gradually increased, and the second direction is perpendicular to the first direction.
In an embodiment of the utility model, the channel comprises a first inner surface and a second inner surface oppositely arranged in the second direction; wherein the first inner surface is parallel to the first direction, the plurality of sensing elements being disposed on the first inner surface.
In an embodiment of the present invention, a plurality of protrusions are disposed on the second inner surface, and an orthogonal projection of the protrusions on the first inner surface covers an orthogonal projection of the sensing element on the first inner surface.
In an embodiment of the utility model, the output circuit board is a single-sided printed circuit board, and the plurality of sensing elements are attached to a side of the output circuit board on which the circuit is disposed.
In an embodiment of the utility model, the output circuit board is a double-sided printed circuit board, and the plurality of sensing elements are respectively attached to two sides of the output circuit board on which the circuit is disposed.
In an embodiment of the present invention, the detection chamber is provided with five channels; wherein the plurality of sensors comprises: a temperature sensor; a PM2.5 sensor; a humidity sensor; a TVOC sensor; a carbon dioxide sensor; temperature sensor PM2.5 sensor humidity transducer TVOC sensor and carbon dioxide sensor sets up one by one respectively in five passageways, just temperature sensor PM2.5 sensor humidity transducer TVOC sensor and carbon dioxide sensor all with the first port electricity of circuit board is connected.
In an embodiment of the present invention, the circuit board further includes: a third port, one end of which is in communication connection with an external sensor.
According to the multifunctional sensing device provided by the embodiment of the utility model, the plurality of detection channels are arranged, and one sensor is arranged in each detection channel and is used for detecting parameters of air entering the detection channels from the external environment, such as temperature, humidity, PM2.5 concentration and the like, so that mutual interference among various sensors is reduced, and the detection precision of the sensors is further improved. In addition, because the multifunctional sensing device comprises a plurality of sensors, the multifunctional sensing device only needs to be directly arranged in the controller, and only needs to be connected with the second port and the control circuit board in the controller, and each sensor does not need to be installed one by one and is not connected with the control circuit board one by one.
Drawings
Fig. 1 is a schematic structural diagram of a multifunctional sensing device according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a channel and a sensor in a multifunctional sensor device according to another embodiment of the utility model;
FIG. 3 is a schematic structural diagram of a channel and a sensor in a multifunctional sensor device according to another embodiment of the utility model;
FIG. 4 is a schematic structural diagram of a channel and a sensor in a multifunctional sensor device according to another embodiment of the utility model;
fig. 5 is a schematic diagram illustrating the operation of a multi-function sensing device according to another embodiment of the present invention.
Detailed Description
In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. All directional indicators in the embodiments of the present invention (such as upper, lower, left, right, front, rear, top, bottom … …) are only used to explain the relative position, motion, etc. of the components in a particular position (as shown in the drawings), and if the particular position is changed, the directional indicator is changed accordingly. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Furthermore, reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the utility model. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.
Fig. 1 is a schematic structural diagram of a multifunctional sensing device according to an embodiment of the present invention. As shown in fig. 1, the multi-function sensing apparatus includes: a base 1; a detection chamber 2 arranged on the base 1, wherein a plurality of channels 21 are arranged in the detection chamber 2; and a plurality of kinds of sensors 22, the plurality of kinds of sensors 22 being arranged one by one in the plurality of channels 21, respectively; and a circuit board 3 disposed on the base 1, the circuit board 3 including a first port 31 and a second port 32; the various sensors 22 are electrically connected to a first port 31 of the circuit board 3, and the second port 32 is used for electrical connection to an external controller. I.e. when the multifunctional sensor device is used in a controller, the second port 32 of the multifunctional sensor is directly connected to the control circuit board 3 in the controller. Because the multifunctional sensing device comprises a plurality of sensors, the multifunctional sensing device only needs to be directly arranged in the controller, and only the second port 32 needs to be connected with the control circuit board 3 in the controller, and each sensor does not need to be installed one by one and is not connected with the control circuit board 3 one by one. In addition, by arranging a plurality of detection channels 21 and arranging one sensor in each detection channel 21, parameters of air entering the detection channels 21 from the external environment, such as temperature, humidity, PM2.5 concentration and the like, are detected, so that mutual interference among various sensors is reduced, and the detection accuracy of the sensors is further improved.
Fig. 2 is a schematic diagram illustrating a specific structure of a sensor disposed in one channel 21 of the multifunctional sensing device according to an embodiment of the present invention, and as shown in fig. 2, the sensor 22 includes: a plurality of sensor elements 221, the plurality of sensor elements 221 being sequentially disposed within the channel 21; an output circuit board 222, wherein the output circuit board 222 is electrically connected with the plurality of sensing elements 221 and is arranged in the same channel 21; and a connection device 223, one end of the connection device 223 is electrically connected with the output circuit board 222, and the other end of the connection device 223 is electrically connected with the first port 31 of the circuit board 3. According to the embodiment of the utility model, the sensor comprises the plurality of sensing elements 221 arranged in the channel 21, when the multifunctional sensor is used for detecting some parameters of indoor or outdoor air, the multifunctional sensor can detect the parameters at different positions in the same channel 21, and then the data detected by the plurality of sensing elements 221 are comprehensively analyzed, so that the probability of detection abnormity caused by the abnormity of one sensing element is reduced.
Fig. 3 is a schematic structural diagram illustrating a sensor disposed in a channel of a multifunctional sensing device according to an embodiment of the present invention, and as shown in fig. 3, an extending direction of the channel 21 is a first direction X; wherein, in the first direction X, the vertical distance h of the channel 21 in the second direction Y is gradually decreased and then gradually increased, and the second direction Y is perpendicular to the first direction X. When the multifunctional sensor is used for detecting some parameters of indoor or outdoor air, the multifunctional sensing device is directly installed in the shell of the controller, when external air enters the channel 21, no matter the external air enters the channel 21 from the left side or enters the channel 21 from the right side, the contact between a plurality of sensing elements arranged in the channel 21 and the air is sufficient, and the detection precision of the sensing elements is further improved.
Preferably, as shown in fig. 3, the channel 21 comprises a first inner surface 211 and a second inner surface 212 oppositely arranged in the second direction Y; the first inner surface 211 is parallel to the first direction X, and the plurality of sensing elements are disposed on the first inner surface 211. Since the first inner surface 211 is parallel to the first direction X, that is, the first inner surface 211 is a plane, the sensor element is disposed on the plane, which is easier to be implemented in the process, that is, the difficulty of the manufacturing process is reduced.
Fig. 4 is a schematic diagram showing a specific structure of a sensor disposed in a channel of the multifunctional sensor device according to an embodiment of the present invention, and as shown in fig. 4, a plurality of protrusions 213 are disposed on the second inner surface 212, and an orthographic projection of the protrusions 213 on the first inner surface 211 covers an orthographic projection of the sensor element 221 on the first inner surface 211. When the multifunctional sensor is used for detecting some parameters of indoor or outdoor air, the multifunctional sensing device is directly installed in the housing of the controller, and when external air enters the channel 21, the air meets the protrusion 213 to partially change the flow direction of the air, so that the contact area between the air and the sensing element is increased, and the detection accuracy of the sensing element is improved.
In an embodiment of the present invention, the output circuit board 3 is a single-sided printed circuit board, and the plurality of sensor elements 221 are attached to a side of the output circuit board on which the circuit is disposed.
In an embodiment of the present invention, the output circuit board 3 is a double-sided printed circuit board, and the plurality of sensing elements 221 are respectively attached to two sides of the output circuit board 3 on which circuits are disposed.
Fig. 5 is a schematic diagram illustrating the operation of a multifunctional sensing apparatus according to another embodiment of the present invention, and as shown in fig. 5, the various sensors include: a temperature sensor 51 for detecting the temperature in the room; a PM2.5 sensor 52 for detecting the concentration of PM2.5 in the room; a humidity sensor 53 for detecting the humidity in the room; a TVOC sensor 54 for detecting the concentration of formaldehyde in the room; the carbon dioxide sensor is used for detecting the concentration of indoor carbon dioxide; and a first sensor port 55, one end of the first sensor port 55 is electrically connected with the temperature sensor 51, the PM2.5 sensor 52, the humidity sensor 53, the TVOC sensor 54 and the carbon dioxide sensor 57, respectively, and each sensor is disposed in a different channel 21, respectively; each sensor is electrically connected to a first port 31 of the line circuit board 3, said second port 32 being adapted for electrical connection to an external controller, for example to a control board in the external controller. Therefore, the multifunctional sensing device can be suitable for most household appliances, such as humidifiers, air conditioners, air purifiers, fresh air blowers and the like. In the embodiment of the utility model, when one multifunctional sensing device is arranged in the shell of the controller, one multifunctional sensing device is directly arranged in the shell, so that the installation difficulty of the multifunctional sensing device is reduced.
Optionally, in an embodiment of the present invention, the circuit board 3 further includes: and one end of the third port is in communication connection with the external sensor. In practical applications, some sensors are arranged outdoors, such as a temperature sensor for detecting the outdoor temperature, and also for example, for detecting the PM2.5 content in the outdoor air. That is, such a sensor cannot be disposed in the multi-function sensing device, therefore, the third port in the multi-function sensing device in the embodiment of the present invention is an interface for the sensor disposed outdoors, for example, when the PM2.5 sensor is disposed outdoors, the data of the PM2.5 disposed outdoors can be transmitted to the multi-function sensing device through the third port, and the multi-function sensing device can transmit the data of the PM2.5 disposed outdoors to the controller for the user to refer to whether the device is suitable for outdoor activities or the like.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the utility model, so that any modifications, equivalents and the like included in the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. A multi-function sensing device, comprising:
a base;
the detection chamber is arranged on the base, and a plurality of channels are arranged in the detection chamber; and
the sensors are respectively arranged in the channels one by one; and
a circuit board disposed on the base, the circuit board including a first port and a second port;
the various sensors are electrically connected with the first port of the circuit board, and the second port is used for being electrically connected with an external controller.
2. The multifunctional sensing device of claim 1, wherein the sensor comprises:
a plurality of sensing elements sequentially disposed within the channel;
the output circuit board is electrically connected with the plurality of sensing elements and is arranged in the same channel with the plurality of sensing elements; and
and one end of the connecting device is electrically connected with the output circuit board, and the other end of the connecting device is electrically connected with the first port of the circuit board.
3. The multifunctional sensing device of claim 2, wherein the channel extends in a first direction;
in the first direction, the vertical distance of the channel in the second direction is gradually reduced and then gradually increased, and the second direction is perpendicular to the first direction.
4. The multi-functional sensing device of claim 3, wherein the channel includes first and second inner surfaces disposed opposite one another in the second direction;
wherein the first inner surface is parallel to the first direction, the plurality of sensing elements being disposed on the first inner surface.
5. The multifunctional sensor device according to claim 4, wherein a plurality of projections are provided on the second inner surface, and wherein an orthographic projection of the projections on the first inner surface covers an orthographic projection of the sensor element on the first inner surface.
6. The multi-functional sensing device of claim 2, wherein the output circuit board is a single-sided printed circuit board, and the plurality of sensing elements are attached to a side of the output circuit board on which the circuitry is disposed.
7. The multifunctional sensor apparatus according to claim 2, wherein said output circuit board is a double-sided printed circuit board, and said plurality of sensor elements are respectively attached to both sides of said output circuit board on which said circuit is provided.
8. The multifunctional sensing device of claim 1, wherein said detection chamber is provided with five of said channels;
wherein the plurality of sensors comprises:
a temperature sensor;
a PM2.5 sensor;
a humidity sensor;
a TVOC sensor;
a carbon dioxide sensor;
temperature sensor PM2.5 sensor humidity transducer TVOC sensor and carbon dioxide sensor sets up one by one respectively in five passageways, just temperature sensor PM2.5 sensor humidity transducer TVOC sensor and carbon dioxide sensor all with the first port electricity of circuit board is connected.
9. The multi-functional sensing device of claim 8, wherein the circuit board further comprises:
a third port, one end of which is in communication connection with an external sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120778580.2U CN215724018U (en) | 2021-04-15 | 2021-04-15 | Multifunctional sensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120778580.2U CN215724018U (en) | 2021-04-15 | 2021-04-15 | Multifunctional sensing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215724018U true CN215724018U (en) | 2022-02-01 |
Family
ID=80029160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120778580.2U Active CN215724018U (en) | 2021-04-15 | 2021-04-15 | Multifunctional sensing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215724018U (en) |
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2021
- 2021-04-15 CN CN202120778580.2U patent/CN215724018U/en active Active
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