CN107703514A - A kind of new pattern laser induction installation and tap - Google Patents

Abstract

The invention discloses a novel laser sensing device and a faucet. The novel laser sensing device includes a transceiver and a transmission line, and the transceiver is connected to the transmission line; the transceiver includes a transmitter and a receiver, and the transmitting The installation direction of the transmitter and the receiver is parallel to the transmission direction of the transmission line; the distance between the transmitter and the sensing window is less than 0.1mm; it also includes a light processor, a time calculator and a main processor; the transmitter emits light of a specific frequency information; the receiver receives the light information of the specific frequency light reflected from the sensor; the light processor shields the visible light mixed in the reflected light information to obtain the target light information; the time calculator The time taken for the target light information to be reflected back is obtained; the main processor obtains the distance between the sensing object and the sensing device according to the time. The invention realizes accurate sensing distance control, and can freely adjust the sensing distance.

Description

A new type of laser induction device and faucet

technical field

The invention relates to the field of sensors, in particular to a novel laser sensing device and a faucet.

Background technique

A sensor or sensor is a device that receives a signal or stimulus and reacts, and can convert the physical or chemical quantity to be measured into another corresponding output device. For automation control, security equipment, etc.

At present, the sensors on the market use infrared induction or capacitive induction respectively. Due to the influence of the external environment, this kind of sensors often have problems such as insensitivity of operation. Resulting in insensitivity to induction.

Among them, the laser sensor in the sensor is a sensor that uses laser technology for measurement. It consists of a laser, a laser detector and a measuring circuit; the laser sensor is a new type of measuring instrument. Due to the advantages of laser: high directivity (that is, high orientation, small divergence angle of light speed), the expansion range of the laser beam is only a few centimeters away from several kilometers; high monochromaticity, the frequency width of the laser is more than 10 times smaller than that of ordinary light ; High brightness, the use of laser beam convergence can produce a temperature of up to several million degrees; the laser sensor can achieve non-contact long-distance measurement, fast speed, high precision, large range, strong resistance to light and electrical interference, etc. Therefore, the present invention provides a new type of laser sensor, which not only has the advantages of ordinary sensors, but also can realize precise sensing distance control, and can freely adjust the sensing distance; its specific structure and arrangement enhance the stability and avoid Interference of external light sources on the sensing device.

Contents of the invention

The present invention provides a novel laser induction device and faucet, specifically:

The first aspect provides a novel laser sensing device, including a transceiver and a transmission line, the transceiver is connected to the transmission line; the transceiver includes a transmitter and a receiver, and the installation direction of the transmitter and receiver is parallel In the transmission direction of the transmission line; the distance between the transmitter and the sensing window is less than 0.1mm;

The sensing device also includes a light processor, a time calculator and a main processor;

The transmitter emits light information of a specific frequency; the receiver receives the light information reflected from the sensor by the light information of the specific frequency; the light processor shields the visible light mixed in the reflected light information to obtain Target light information; the time calculator obtains the time taken for the target light information to reflect back; the main processor obtains the distance between the sensing object and the sensing device according to the time.

Further, the emitting area of the emitter is less than 15°.

Further, an assembly box is also included, and the transmitter, receiver, light processor, time calculator and main processor are all installed in the assembly box.

Further, a connection head is also included, one end of the transmission line is connected in the assembly box, and the other end of the transmission line is connected to the connection head.

Further, the terminal includes a first terminal and a second terminal.

The second aspect provides a faucet, including the above-mentioned laser sensing device, and also includes a retractable faucet, a flow pipe and a manual valve; the retractable faucet is arranged at one end of the flow pipe, and the manual valve is arranged at the other end of the flow tube;

The flow pipe is provided with a sensing hole facing the direction of the pool, and the transceiver is installed in the flow pipe and located at the sensing hole.

Further, it also includes connectors,

There is an extension at the connection between the flow pipe and the manual valve, and the extension has a first conduction hole communicating with the flow pipe;

The connecting piece is connected to the extension part, and the connecting piece has a second through hole communicating with both the flow pipe and the first through hole.

Further, a fastener is further included, and the fastener is vertically sleeved on the extension part.

Further, the connection head is sequentially led out from the flow pipe, the first via hole and the second via hole along the transmission line.

The invention belongs to the non-contact sensing operation, can realize accurate sensing distance control, and can freely adjust the sensing distance; its specific structure and arrangement enhance the stability and avoid the interference of external light sources on the sensing device.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

The schematic structural diagram of the laser sensing device provided in the first embodiment of Fig. 1;

Fig. 2 is a cross-sectional view of a part of the structure of the laser sensing device provided by Embodiment 1;

3 is a schematic diagram of the light range in the laser sensing device provided by Embodiment 1;

4 is a schematic diagram of the components and light of the laser sensing device provided by Embodiment 1;

Fig. 5 is a schematic diagram of light rays with a distance of 0.1 mm between the emitter and the sensing window in the laser sensing device provided by Embodiment 1;

Fig. 6 is a schematic diagram of light rays with a distance of 0.5 mm between the emitter and the sensing window in the laser sensing device provided by Embodiment 1;

FIG. 7 is a schematic structural view of the faucet provided in Embodiment 2;

Fig. 8 is a side view of the faucet provided by the second embodiment.

In the figure: 1-transmitter, 2-receiver, 3-transmission line, 4-ray processor, 5-time calculator, 6-main processor, 61-assembly box, 31-first terminal, 32-the first Two terminals, 7-retractable faucet, 8-flow pipe, 9-manual valve, 81-sensing hole, 10-connecting piece, 11-fastener.

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be understood that the orientations or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner" and "outer" are based on the drawings. The orientation or positional relationship shown is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as limiting the scope of the present invention. limit. In the description of the embodiments of the present invention, "plurality" means two or more, unless otherwise specifically defined. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, system, product or device comprising a sequence of steps or elements is not necessarily limited to the expressly listed instead, may include other steps or elements not explicitly listed or inherent to the process, method, product or apparatus.

In the embodiments of the present invention, terms such as "installation", "connection", "connection" and "fixation" should be interpreted in a broad sense unless otherwise clearly specified and limited. Disassembled connection, or integration; it can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

Embodiment one:

This embodiment provides a new type of laser sensing device. Firstly, it is explained that, unlike infrared passive sensing, the laser sensing device provided in this embodiment belongs to active sensing.

As shown in Figure 3, the laser sensing device has a transceiver and a transmission line 3, the transceiver

Connected to the transmission line 3; the transceiver includes a transmitter 1 and a receiver 2, and the installation direction of the transmitter 1 and the receiver 2 is parallel to the transmission direction of the transmission line 3, which is different from that in the prior art. The installation direction of the transmitter 1 and the receiver 2 is perpendicular to the direction of the transmission line; as shown in Figure 4, the transmitter and the receiver in this embodiment belong to the longitudinal arrangement on the PCB board, so that the transmitter 1 The launch area is less than 15°, so as to obtain the effect of precise ranging.

It is important that the distance D between the emitter 1 and the sensing window is less than 0.1mm. Because some of the optical signal emitted by the transmitter 1 and the signal reflected vertically from the outside will be reflected in the inner space between the transmitter 1 and the sensing window; comparing Figure 6 and Figure 7, it can be obtained that by making the distance between the transmitter 1 and the sensing window less than 0.1mm, the transmission signal can be transmitted to the outside of the sensing window as much as possible, and the internally reflected interference signal can be minimized; this ensures that the sensed signal can achieve the best sensing effect.

Wherein, the sensing device also includes a light processor 4, a time calculator 5 and a main processor 6, as shown in FIG. 5; The light emitted; the receiver 2 receives or captures the light information of the specific frequency reflected from the sensor; the light processor 4 shields the visible light mixed in the reflected light information to prevent common light sources from interference to obtain the target light information; the time calculator 5 obtains the time taken for the target light information to reflect back; the main processor 6 obtains the distance between the sensing object and the sensing device according to the time.

Specifically, an assembly box is also included, and the transmitter 1 , receiver 2 , light processor 4 , time calculator 5 and main processor 6 are all installed in the assembly box. Further, as shown in FIG. 1 , a connection head is also included, one end of the transmission line 3 is connected in the assembly box, and the other end of the transmission line 3 is connected to the connection head. Wherein, the terminal includes a first terminal 31 and a second terminal 32 .

Embodiment two:

This embodiment provides a faucet, as shown in the figure, including the laser sensing device described in Embodiment 1, and also includes a retractable faucet 7, a flow pipe 8 and a manual valve 9; the retractable faucet 7 is set on the One end of the flow pipe 8, the manual valve 9 is arranged at the other end of the flow pipe 8;

The flow pipe 8 is provided with a sensing hole 81 facing the pool, and the transceiver is installed in the flow pipe 8 and located at the sensing hole 81 .

Specifically, it also includes a connecting piece 10, the connection between the flow pipe 8 and the manual valve 9 has an extension, and the extension has a first through hole communicating with the flow pipe 8; the connecting piece 10 and The extension parts are connected, and the connecting piece 10 has a second through hole communicating with both the flow pipe 8 and the first through hole. A fastener 11 is also included, and the fastener 11 is vertically sleeved on the extension part. Further, the connection head is sequentially led out from the flow pipe 8 , the first via hole and the second via hole along the transmission line.

It should be noted that the laser sensing device provided by the present invention can also be applied in sanitary equipment or other similar equipment or devices to achieve the same effect; such devices also belong to the protection scope of the present invention.

The laser sensor and its application in the present invention all belong to non-contact sensing operation, which can realize precise sensing distance control, and can freely adjust the sensing distance; its specific structure and arrangement enhance the stability and avoid external light sources from affecting the sensing device. interference.

The above description is a preferred embodiment of the present invention, and it should be pointed out that for those skilled in the art, without departing from the principle of the present invention, some improvements and modifications can also be made, and these improvements and modifications are also considered Be the protection scope of the present invention.

Claims (9)

1. A new type of laser sensing device, including a transceiver and a transmission line (3); the transceiver includes Transmitter (1) and receiver (2), characterized in that the installation direction of the transmitter (1) and receiver (2) is parallel to the transmission direction of the transmission line (3); the transmitter (1) and The distance of the sensing window is less than 0.1mm; The sensing device also includes a light processor (4), a time calculator (5) and a main processor (6); The transmitter (1) emits light information of a specific frequency; the receiver (2) receives the light information of the specific frequency reflected from the sensor; the light processor (4) shields the mixed The visible light in the returned light information is used to obtain the target light information; the time calculator (5) obtains the time it takes for the target light information to reflect back; the main processor (6) obtains the distance between the sensing object and the sensing device according to the time distance. 2. The induction device according to claim 1, characterized in that the emitter (1) The emission area is less than 15°. 3. The sensing device according to claim 1, characterized in that it also includes an assembly box (61), the transmitter (1), receiver (2), light processor (4), time calculator (5 ) and the main processor (6) are installed in the assembly box (61). 4. The induction device according to claim 3, characterized in that it further comprises a terminal, one end of the transmission line (3) is connected in the assembly box, and the other end of the transmission line (3) is connected to the wiring head connected. 5. The induction device according to claim 4, characterized in that, the connection head comprises a first connection terminal (31) and a second connection terminal (32). 6. A faucet, characterized in that it includes the laser sensing device according to any one of claims 1-5, and also includes a retractable faucet (7), a flow pipe (8) and a manual valve (9); the The retractable faucet (7) is set at one end of the flow pipe (8), and the manual valve (9) is set at the other end of the flow pipe (8); The flow pipe (8) is provided with a sensing hole (81) facing the pool, and the transceiver is installed in the flow pipe and located at the sensing hole (81). 7. The faucet according to claim 6, further comprising a connecting piece (10), There is an extension at the connection between the flow pipe and the manual valve, and the extension has a first conduction hole communicating with the flow pipe; The connection piece (10) is connected with the extension part, and the connection piece has a second conduction hole communicating with both the flow pipe and the first conduction hole. 8 . The faucet according to claim 7 , further comprising a fastener ( 11 ), the fastener ( 11 ) is vertically sleeved on the extension part. 9 . The faucet according to claim 6 , wherein the connection head is sequentially led out from the flow pipe, the first through hole and the second through hole along the transmission line.