CN215678811U - Infrared induction device and have its hot water machine - Google Patents
Infrared induction device and have its hot water machine Download PDFInfo
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- CN215678811U CN215678811U CN202122033485.2U CN202122033485U CN215678811U CN 215678811 U CN215678811 U CN 215678811U CN 202122033485 U CN202122033485 U CN 202122033485U CN 215678811 U CN215678811 U CN 215678811U
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Abstract
The utility model discloses an infrared induction device, comprising: the infrared receiving tube is arranged on the PCB circuit board; the infrared receiving tube is characterized by further comprising a shielding case which is covered on the PCB, a partition board used for separating the infrared transmitting tube and the infrared receiving tube is arranged in the shielding case, and two holes which are matched with the infrared transmitting tube and the infrared receiving tube respectively are formed in the shielding case. The PCB is covered with a shielding case, a partition board for separating the infrared receiving tube and the infrared transmitting tube is arranged in the shielding case, and the shielding case plays a role in isolating the infrared receiving tube from the infrared transmitting tube and simultaneously plays a role in installing, fixing and protecting the PCB; the isolation cover is provided with two openings, so that the interference of infrared light multipath return is solved, an infrared emission signal of the isolation cover can only return to the receiving tube through reflection of a human body or an object, the induction precision is greatly improved, and misoperation is prevented.
Description
Technical Field
The utility model relates to the technical field of drinking equipment, in particular to an infrared sensing device and a water heater with the same.
Background
The existing infrared sensing device is provided with at least one infrared transmitting tube and at least one infrared receiving tube on a PCB board, and by utilizing the reflection of infrared light by a human body or an object, the infrared receiving tube can receive an infrared light signal which is sent out by the infrared transmitting tube and is reflected by the human body or the object, and carry out corresponding operation on the infrared light signal to sense the human body or the object. However, the multi-path reflection principle of infrared light causes problems of low sensing precision to human bodies or objects, easy misoperation and the like.
If a chinese utility model patent that publication number is CN208477103U applies for an infrared induction structure, including leaded light cover, infrared emission diode and infrared ray receiving diode, the well upper portion of leaded light cover is round platform column structure, and the inside of leaded light cover has seted up infrared emission leaded light hole and infrared ray receiving leaded light hole, wherein is bilateral symmetry structure between infrared emission leaded light hole and the infrared ray receiving leaded light hole, and is acute angle contained angle structure between the axis of infrared emission leaded light hole and the vertical axis of leaded light cover, this infrared induction structure is with low costs, and the response precision is high, more is difficult to receive external light source interference.
Although the infrared sensing device disclosed in the above-mentioned prior patent application improves the precision of the infrared sensing structure, the infrared emitting diode and the infrared receiving diode located in the light guide cover are inconvenient to disassemble and assemble due to the infrared sensing structure.
SUMMERY OF THE UTILITY MODEL
In view of the problems in the prior art, an object of the present invention is to provide an infrared sensing device with high accuracy and easy installation.
Another object of the present invention is to provide a water heater having the above infrared sensing device.
In order to achieve the purpose, the utility model adopts the following technical scheme.
An infrared sensing apparatus comprising: the infrared receiving tube is arranged on the PCB circuit board; the infrared receiving tube is characterized by further comprising a shielding case which is covered on the PCB, a partition board used for separating the infrared transmitting tube and the infrared receiving tube is arranged in the shielding case, and two holes which are matched with the infrared transmitting tube and the infrared receiving tube respectively are formed in the shielding case.
More preferably, the PCB circuit board and the shield can are detachably connected.
More preferably, the inner side wall of the isolation cover is provided with a step for mounting the PCB, and the step is provided with a plurality of screw holes for connecting with the PCB.
More preferably, the baffle is a plurality of coamings arranged around the infrared receiving tube and the infrared transmitting tube; or the baffle is a partition plate arranged between the infrared receiving tube and the infrared transmitting tube, and two ends of the partition plate are connected with the isolation cover.
A water heater, comprising: the water heater comprises a water heater main body, a microcontroller, a water outlet faucet arranged on the water heater main body and an electromagnetic valve which controls the water outlet faucet to be opened or closed and is connected with the microcontroller; the water heater is characterized in that the infrared sensing device is arranged on the water heater main body and is connected with the microcontroller.
More preferably, the infrared sensing devices are two, and comprise a first infrared sensing device for sensing the cup and a second infrared sensing device for sensing the hand of the human body.
More preferably, a cup placing position for placing a cup is arranged on the water heater main body, and the cup placing position is positioned below the water outlet faucet; the infrared sensing device is arranged between the cup placing position and the water outlet faucet and used for sensing whether a cup is placed at the cup placing position or not.
More preferably, the water heater main body is provided with a water outlet key which is used for controlling the electromagnetic valve to be opened and is connected with the microcontroller.
More preferably, a groove is arranged on the front side of the water heater main body, the water outlet faucet is arranged at the top of the groove, and a cup placing position is formed at the bottom of the groove; the bottom of the groove is provided with a water storage tank for preventing water leakage, and the water storage tank is provided with a water-proof tray for placing a cup.
More preferably, reflective strips are arranged on the periphery of the groove and the water outlet faucet.
The utility model has the beneficial effects.
Firstly, covering a PCB (printed circuit board) with a shielding case, arranging a partition board for separating an infrared receiving tube and an infrared transmitting tube in the shielding case, and mounting, fixing and protecting the PCB while the shielding case plays a role in isolating the infrared receiving tube from the infrared transmitting tube; the isolation cover is provided with two openings, so that the interference of infrared light multipath return is solved, an infrared emission signal of the isolation cover can only return to the receiving tube through reflection of a human body or an object, the induction precision is greatly improved, and misoperation is prevented.
And the PCB and the isolation cover can be detachably connected, so that the PCB is convenient to disassemble, assemble and maintain.
The water heater provided by the utility model is provided with the infrared sensing device for sensing the cup, the water heater is in an unlocking state when the infrared sensing device senses the cup, and the microcontroller of the water heater opens the electromagnetic valve according to a feedback signal of the sensing device or the water outlet button on the water outlet faucet so that the water outlet faucet discharges water, so that the use safety of the water heater is improved, and the situations of scalding, false starting and the like are avoided.
Drawings
Fig. 1 is a structural diagram of an infrared sensing device according to the present invention.
Fig. 2 is a structural view of a water heater according to the present invention.
Reference numerals indicate the same.
1: PCB circuit board, 2: infrared emission tube, 3: infrared receiving tube, 4: isolation cover, 5: separator, 6: and (6) opening holes.
200: boiler main body, 201: water outlet tap, 202: the cup is placed.
Detailed Description
In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and 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 in a specific orientation, and be operated without limiting the specific scope of protection of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the feature, and in the description of the utility model, "at least" means one or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.
The following describes the embodiments of the present invention with reference to the drawings of the specification, so that the technical solutions and the advantages thereof are more clear and clear. The embodiments described below are exemplary and are intended to be illustrative of the utility model, but are not to be construed as limiting the utility model.
The first embodiment.
As shown in fig. 1, an infrared sensing apparatus includes: PCB circuit board 1 installs infrared emission pipe 2 and infrared receiving tube 3 on PCB circuit board 1, its characterized in that still establishes including the lid cage 4 on PCB circuit board 1 be equipped with in the cage 4 and be used for the interval infrared emission pipe 2 with the baffle 5 of infrared receiving tube 3 be equipped with on the cage 4 respectively with infrared emission pipe 2 two trompils 6 of infrared receiving tube 3 complex.
Like this, when in actual use, infrared emission pipe and infrared receiving tube keep apart, only leave infrared light and send out from infrared emission pipe and get back to two trompils of opening on this route of infrared receiving tube again through the reflection of human body or object, this fine solution the interference that infrared light multipath was returned, make its infrared emission signal can only get back to infrared receiving tube through human body or object reflection, greatly improve the response precision, prevented the maloperation. The isolation cover plays a role in isolating the infrared transmitting tube and the infrared receiving tube and simultaneously plays a role in protecting and installing the PCB.
In this embodiment, the partition 5 is a plurality of enclosing plates disposed around the infrared receiving tube and the infrared transmitting tube. Obviously, according to different actual needs, the partition board may also be a partition board disposed between the infrared receiving tube and the infrared transmitting tube, and both ends of the partition board are connected to the isolation cover, which is not limited to this embodiment.
It should be noted that the PCB 1 and the shielding case 4 are detachably connected. In this embodiment, a step for installing the PCB circuit board 1 is disposed on the inner wall of the side surface of the isolation cover 4, and a plurality of screw holes for connecting the PCB circuit board 1 with screws are disposed on the step.
In addition, a plurality of first through holes are formed in corresponding positions on the PCB circuit board 1, and pins at the bottom of the infrared emission tube 2 penetrate through the first through holes to be electrically connected with the input end of the PCB circuit board 1; and a second through hole is formed in the PCB 1, and the pin of the infrared receiving tube 3 penetrates through the second through hole and is electrically connected with the input end of the PCB 1.
The selection of the types of the infrared receiving tube, the infrared transmitting tube and the PCB circuit board, and the connection circuit therebetween are common technical knowledge mastered by those skilled in the art, and are not described herein again.
Example two.
As shown in fig. 2, a water heater includes: the water heater comprises a water heater main body 200, a microcontroller, a water outlet faucet 201 arranged on the water heater main body 200, and an electromagnetic valve which controls the water outlet faucet 201 to be opened or closed and is connected with the microcontroller; it is characterized in that the infrared sensing device according to the first embodiment is disposed on the water heater main body 200, and the infrared sensing device is connected to the microcontroller.
It should be noted that a cup placing position 202 is arranged on the water heater main body 200, and the cup placing position 202 is located below the water outlet faucet 201. The infrared sensing device is positioned between the water outlet faucet and the cup placing position and used for sensing whether the cup is placed at the cup placing position or not. The microcontroller is in communication connection with the infrared sensing device to receive sensing information transmitted by the infrared sensing device and accordingly unlock the water heater or enable the water heater to be continuously in a locked state or be converted from the unlocked state to the locked state. In some embodiments, a water outlet button connected with the microcontroller and used for controlling the opening of the electromagnetic valve is arranged on the water heater main body. When the water heater is in an unlocking state, the electromagnetic valve can be controlled to be opened by pressing the water outlet button to enable the water outlet faucet to discharge water, and when the water heater is in a locking state, the water outlet button is pressed to disable the water outlet faucet to discharge water.
In this embodiment, the two infrared sensing devices include a first infrared sensing device and a second infrared sensing device, and the first infrared sensing device is arranged between the water outlet faucet and the cup placing position and is used for sensing whether a cup is placed in the cup placing position; the second infrared sensing device is arranged on the water outlet faucet and used for controlling the electromagnetic valve to be opened or closed and connected with the microcontroller. When the water heater is in an unlocked state, the handle is placed in front of the second infrared induction device of the water outlet faucet, and the microcontroller receives feedback signals of the first infrared induction device and the second infrared induction device to control the opening of the electromagnetic valve so as to enable the water outlet faucet to discharge water. When the water heater is in a locked state, the second infrared sensing device senses that the electromagnetic valve cannot be opened by an object or a human body, and misoperation is prevented. The selection of the types of the microcontroller, the water outlet key and the electromagnetic valve, and the connection control circuit of the microcontroller, the water outlet key and the electromagnetic valve and the infrared sensing device are common technical knowledge mastered by a person skilled in the art, and are not described herein again.
The front side of the water heater main body is provided with a groove, the water outlet faucet is arranged at the top of the groove, and the groove forms a cup placing position. The bottom of the groove is provided with a water storage tank for preventing water leakage, and the water storage tank is provided with a water-proof tray for placing a cup. The water storage tank is in plug-in fit with the groove, a mounting groove is formed in the groove, and a convex block in sliding fit with the mounting groove is arranged on the water storage tank.
In this embodiment, the water heater main body includes a barrel for holding water, and a heating device disposed below the barrel, and a heating knob for controlling power of the heating device is disposed on the water heater main body. In other embodiments, the specific structure of the water heater main body can be an existing or future water boiler.
It should be noted that the outer periphery of the groove and the water outlet tap are provided with the reflective strips, so that the groove is convenient to position in a dark environment to place a cup in the groove, and the position of the water outlet tap is convenient to position to place a hand in front of the water outlet tap.
It will be appreciated by those skilled in the art from the foregoing description of construction and principles that the utility model is not limited to the specific embodiments described above, and that modifications and substitutions based on the teachings of the art may be made without departing from the scope of the utility model as defined by the appended claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.
Claims (10)
1. An infrared sensing apparatus comprising: the infrared receiving tube is arranged on the PCB circuit board; the infrared receiving tube is characterized by further comprising a shielding case which is covered on the PCB, a partition board used for separating the infrared transmitting tube and the infrared receiving tube is arranged in the shielding case, and two holes which are matched with the infrared transmitting tube and the infrared receiving tube respectively are formed in the shielding case.
2. The infrared sensing device as recited in claim 1, wherein said PCB circuit board and said cage are removably attached.
3. The infrared induction device as claimed in claim 2, wherein a step for mounting said PCB is provided on the inner sidewall of said shield case, and a plurality of screw holes for connecting with said PCB are provided on said step.
4. The infrared sensing device as claimed in claim 1, wherein said partition is a plurality of surrounding plates disposed around said infrared receiving tube and said infrared transmitting tube;
or the baffle is a partition plate arranged between the infrared receiving tube and the infrared transmitting tube, and two ends of the partition plate are connected with the isolation cover.
5. A water heater, comprising: the water heater comprises a water heater main body, a microcontroller, a water outlet faucet arranged on the water heater main body and an electromagnetic valve which controls the water outlet faucet to be opened or closed and is connected with the microcontroller; the water heater is characterized in that the infrared sensing device as claimed in any one of claims 1 to 4 is arranged on the water heater main body, and the infrared sensing device is connected with the microcontroller.
6. The water heater according to claim 5, wherein the infrared sensors are two, and comprise a first infrared sensor for sensing a cup and a second infrared sensor for sensing a hand of a human body.
7. The water heater according to claim 5, wherein a cup placing position for placing a cup is arranged on the water heater main body, and the cup placing position is positioned below the water outlet faucet; the infrared sensing device is arranged between the cup placing position and the water outlet faucet and used for sensing whether a cup is placed at the cup placing position or not.
8. The water heater according to claim 7, wherein a water outlet button connected with the microcontroller for controlling the opening of the electromagnetic valve is arranged on the water heater main body.
9. The water heater according to claim 5, wherein a groove is formed at the front side of the water heater main body, the water outlet tap is arranged at the top of the groove, and the bottom of the groove forms a cup placing position; the bottom of the groove is provided with a water storage tank for preventing water leakage, and the water storage tank is provided with a water-proof tray for placing a cup.
10. The water heater of claim 9, wherein reflective strips are provided around the periphery of the recess and on the outlet tap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122033485.2U CN215678811U (en) | 2021-08-26 | 2021-08-26 | Infrared induction device and have its hot water machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122033485.2U CN215678811U (en) | 2021-08-26 | 2021-08-26 | Infrared induction device and have its hot water machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215678811U true CN215678811U (en) | 2022-01-28 |
Family
ID=79956391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122033485.2U Active CN215678811U (en) | 2021-08-26 | 2021-08-26 | Infrared induction device and have its hot water machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215678811U (en) |
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2021
- 2021-08-26 CN CN202122033485.2U patent/CN215678811U/en active Active
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