CN209723158U - A kind of water tank drain valve and its draining sensing device - Google Patents

Abstract

The utility model relates to a kind of water tank drain valve and its draining sensing devices, drain the induction module that sensing device includes control mainboard and is arranged in control mainboard, induction module includes that signal emitting head and signal receive head, signal emitting head launches signal, signal receives head and receives reflected signal, control mainboard controls water tank drain valve according to reflected signal and opens or closes, and signal emitting head includes at least two, and at least two signal emitting head emits signal towards different directions.The utility model emits signal by more than two signal emitting heads jointly, and each signal emitting head emits signal towards different directions, so that signal transmitting range is wider, so that induction range may make to increase, the abnormal problem of induction failure is avoided, the Experience Degree that user uses is improved.

Description

A kind of water tank drain valve and its draining sensing device

Technical field

The utility model relates to a kind of water tank drain valve and its draining sensing devices

Background technique

The draining sensing device of the existing water tank drain valve by induction control, mostly using individual signals emitting head or Person two emits the signal emitting head of signal in the same direction, emits optical signal by signal emitting head, signal receives head reception and is reflected back The optical signal come realizes induction control.The signal emitting head of individual signals emitting head or two transmitting signals in the same direction, induction Range is smaller, and it is unstable to will lead to induction of signal in actual use, thus degree of affecting user experience.

Utility model content

The utility model to solve the above-mentioned problems, provides a kind of water tank drain valve and its draining sensing device, can make It obtains induction range to increase, avoids the abnormal problem of induction failure, improve the Experience Degree that user uses.

In order to achieve the above objectives, the technical solution of the utility model are as follows: a kind of draining sensing device of water tank drain valve, packet The induction module for including control mainboard and being arranged in the control mainboard, the induction module include that signal emitting head and signal connect Head is received, the signal emitting head launches signal, and the signal receives head and receives the reflected signal, the control master Plate controls the water tank drain valve according to the reflected signal and opens or closes, and the signal emitting head includes at least two A, at least two signal emitting head emits signal towards different directions.

Preferably, the signal is optical signal, and each signal emitting head is launched with each signal emitting head For starting point, the light ray for being oriented the direction of the launch of each signal emitting head, what each signal emitting head was launched The light ray forms the angle greater than 0 degree in space.

Preferably, each signal emitting head is arranged in the control mainboard the same side is simultaneously separately arranged.

Preferably, the position between the signal emitting head is arranged in the signal reception head.

Preferably, the induction module further includes the sense state indicator light in the control mainboard.

Preferably, the control mainboard uses pcb plate.

Preferably, the induction module is infrared induction module, and the signal emitting head launches infrared signal, or, The induction module is laser induced module, and the signal emitting head launches laser signal.

The utility model also provides a kind of water tank drain valve, including draining sensing device described in any of the above embodiments.

The utility model has the following beneficial effects:

The utility model emits signal by more than two signal emitting heads jointly, and each signal emitting head is not towards Equidirectional transmitting signal, so that induction range may make to increase, avoids the exception of induction failure so that signal transmitting range is wider Problem improves the Experience Degree that user uses.

Detailed description of the invention

Fig. 1 is that the draining sensing device of the water tank drain valve of the utility model is mounted on the signal of the package assembly on water tank Figure；

Fig. 2 is that the draining sensing device of the water tank drain valve of the utility model is mounted on the signal of the decomposition texture on water tank Figure；

Fig. 3 is the schematic perspective view of the draining sensing device of the utility model water tank drain valve.

Specific embodiment

In order to illustrate more clearly of the technical solution of the utility model embodiment, with reference to the accompanying drawing to the utility model into The explanation of one step, the drawings in the following description are merely some embodiments of the present invention, for ordinary skill people For member, without creative efforts, it is also possible to obtain other drawings based on these drawings.

As shown in Figure 1 to Figure 3, the draining sensing device 10 of a kind of water tank drain valve of the utility model, including control master Plate 1 and the induction module being arranged in control mainboard 1, the induction module include that signal emitting head 2 and signal receive head 3.Institute It states signal emitting head 2 and launches signal, the signal receives head 3 and receives the reflected signal, and control mainboard 1 is according to anti- It is emitted back towards the signal control water tank drain valve (not shown) come to open or close, this is existing well-known technique.

Compared with prior art, the improvement of the utility model is the signal emitting head 2 including at least two, at least two The signal emitting head 2 towards different directions emit signal, so that signal transmitting range is wider, to may make induction model Increasing is enclosed, the abnormal problem of induction failure is avoided, it is ensured that the reliability of drain valve drain function improves the experience that user uses Degree.

In the present embodiment, the signal is optical signal, and each signal emitting head 2 is launched is with each signal emitting head 2 The light ray for being oriented the direction of the launch of starting point, each signal emitting head, the light ray that each signal emitting head 2 is launched The angle greater than 0 degree is formed in space.

In the present embodiment, the same side that each signal emitting head 2 is arranged in the control mainboard 1 is simultaneously separately set It sets.Specifically, signal receives head 3 and is equipped with one, and the signal receives head 3 and is preferably provided at two there are two signal emitting head 2 sets Middle position between a signal emitting head 2.

In the present embodiment, the induction module further includes the sense state indicator light 4 in the control mainboard 1, when When signal emitting head 2 emits signal, sense state indicator light 4 is shinny to prompt induction module in running order.

In the present embodiment, the control mainboard uses pcb plate, and the induction module is infrared induction module, the signal Emitting head launches infrared signal, or, the induction module is laser induced module, and the signal emitting head is launched sharp Optical signal, certain induction module are also possible to other types induction form.

In the present embodiment, the shell 5 with opening 51 that draining sensing device 10 includes, shell 5 is for accommodating induction mould Block, lid is connected to light filtering window 6 at opening 51, and the light that signal emitting head 2 emits is after the light filtering window 6 filtering to toward projecting.

The utility model also provides a kind of water tank drain valve, including draining sensing device 10 described in any of the above embodiments, row Water induction device 10 is integrally provided on the front side wall 21 of the ontology of water tank 20.

Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art is answered This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details On the utility model is made a variety of changes, be the protection scope of the utility model.

Claims (8)

1. the draining sensing device of a kind of water tank drain valve, including control mainboard and the induction mould being arranged in the control mainboard Block, the induction module include that signal emitting head and signal receive head, and the signal emitting head launches signal, and the signal connects It receives head and receives the reflected signal, the control mainboard controls the tank drains according to the reflected signal Valve opens or closes, it is characterised in that: the signal emitting head includes at least two, at least two signal emitting head court Different directions emit signal.

2. draining sensing device as described in claim 1, it is characterised in that: the signal is optical signal, each signal Emitting head is launched using each signal emitting head as starting point, the light for being oriented the direction of the launch of each signal emitting head Ray, the light ray that each signal emitting head is launched form the angle greater than 0 degree in space.

3. draining sensing device as described in claim 1, it is characterised in that: each signal emitting head is arranged in the control The same side on mainboard processed is simultaneously separately arranged.

4. draining sensing device as claimed in claim 3, it is characterised in that: the signal receives head setting and sends out in the signal Penetrate the position between head.

5. draining sensing device as described in claim 1, it is characterised in that: the induction module further includes being set to the control Sense state indicator light on mainboard.

6. draining sensing device as described in claim 1, it is characterised in that: the control mainboard uses pcb plate.

7. draining sensing device as described in claim 1, it is characterised in that: the induction module is infrared induction module, institute It states signal emitting head and launches infrared signal, or, the induction module is laser induced module, the signal emitting head transmitting Laser signal out.

8. a kind of water tank drain valve, which is characterized in that including the described in any item draining sensing devices of claim 1 to 7.