CN207440314U - Dirty stifled sensor and air conditioner - Google Patents

Abstract

The utility model discloses a kind of dirty stifled sensor and air conditioner, dirty stifled sensor includes housing, including shell and pedestal, shell includes two cantilever portions being oppositely arranged, and the connecting portion of two cantilever portions of connection, the inside of shell forms the cavity volume for extending to cantilever portion, and cavity volume is set in connecting portion away from cantilever portion one end in open；Two cantilever portions it is opposite offer opposite outer loophole on one side；Pedestal includes the open end cap that lid closes cavity volume；And photodetection assembly, including light emitting head and light-receiving head, light emitting head and light-receiving head are respectively arranged on the position that cavity volume corresponds to two cantilever portions, to form detection space between two cantilever portions.The dirty stifled sensor of the utility model reduces the splicing gap between shell and pedestal, and dust and steam is made to be not easily accessible in cavity volume, improves the leakproofness of dirty stifled sensor, so as to enhance the stability of dirty stifled sensor.

Description

Dirty stifled sensor and air conditioner

Technical field

The utility model is related to air purification or regulation technology field, more particularly to a kind of dirty stifled sensor and air conditioner.

Background technology

In the prior art in order to which the dirty stifled degree to filter screen checks, there are a kind of dirty stifled biographies with two cantilever portions Sensor, forms detection space between two cantilever portions of the dirty stifled sensor, and filter screen is taken in the detection space, in cantilever portion Light emitting hair go out to detect light, light-receiving head in another cantilever portion receives the light through filter screen, at signal Reason and the dirty stifled degree that filter screen can be drawn after conversion.The shell of existing dirty stifled sensor is usually spliced by pedestal and upper cover It is enclosed, but the splicing gap that this splitting mode is formed is long, poor sealing, and steam and dust is caused more to easily pass through spelling Seam gap enters in dirty stifled sensor, influences the working performance of dirty stifled sensor.

Utility model content

The main purpose of the utility model is to propose a kind of dirty stifled sensor, it is intended to solve prior art apoplexy involving the solid organs and block up sensor The technical issues of poor sealing.

To achieve the above object, the utility model proposes dirty stifled sensor, including：

Housing, including shell and pedestal, the shell includes two cantilevers of two cantilever portions being oppositely arranged and connection The connecting portion in portion, the inside of the shell form the cavity volume for extending to the cantilever portion, and the cavity volume is in the back of the body of the connecting portion It is set from described cantilever portion one end in open；Two cantilever portions it is opposite offer opposite outer loophole on one side；The base Seat includes the open end cap that lid closes the cavity volume；And

Photodetection assembly, including light emitting head and light-receiving head, the light emitting head and light-receiving head are respectively arranged on described Cavity volume corresponds to the position of two cantilever portions, to form detection space between two cantilever portions.

Preferably, the pedestal includes the substrate from the rubbing surface of end cover projection, and the substrate is away from the end cap Side is equipped with two opposite adjutages, and two adjutages are respectively arranged on the position that the cavity volume corresponds to two cantilever portions；Institute It states light emitting head and light-receiving head is respectively arranged on the free end of two adjutages.

Preferably, the shell and pedestal are made of shading material；The light emitting head and light-receiving head are respectively arranged on Being offered in the one side for detecting space, two adjutages for two adjutages is corresponding with the outer loophole Iuuminting hole.

Preferably, the one side away from the detection space of two adjutages is recessed with mounting groove, the iuuminting Hole is opened in the slot bottom of the mounting groove, and the light emitting head and light-receiving head are respectively arranged on the peace on two adjutages In tankage.

Preferably, which further includes two transmission elements, and two transmission elements are respectively arranged on the two adjutage courts One side and lid to the detection space set the iuuminting hole, and the sealing cooperation of the internal face of two transmission elements and shell.

Preferably, the pedestal further includes the connecting plate of connection two adjutages and the substrate, the connecting plate with The end cap is opposite, and the connecting plate, end cap and substrate are enclosed cabling channel；It is offered on the end cap and the cabling The cable-through hole of slot connection.

Preferably, the photodetection assembly is further included in the first circuit board and second circuit board that are separately set, and described the One circuit board and second circuit board are respectively arranged in one side of two adjutages backwards to the detection space；The light emitting head And light-receiving head is individually fixed in the first circuit board and second circuit board.

Preferably, one side of two adjutages backwards to the detection space is convexly equipped with positioning column, first circuit The location hole being adapted to the positioning column is offered on plate and second circuit board.

Preferably, line socket is equipped on the first circuit board and second circuit board, two adjutages are backwards to institute The one side for stating detection space is recessed with recessing groove, and the line socket is arranged on the recessing groove.

The utility model also proposes a kind of air conditioner, and including surface frame, filter screen and the one kind for being installed on the surface frame are dirty Stifled sensor, the dirty stifled sensor include：Housing, including shell and pedestal, the shell includes two cantilever portions being oppositely arranged, And the connecting portion of two cantilever portions of connection, the inside of the shell form the cavity volume for extending to the cantilever portion, the appearance Chamber is set in the connecting portion away from described cantilever portion one end in open；Two cantilever portions are opposite to be offered relatively on one side Outer loophole；The pedestal includes the open end cap that lid closes the cavity volume；And photodetection assembly, including light emitting head And light-receiving head, the light emitting head and light-receiving head are respectively arranged on the position that the cavity volume corresponds to two cantilever portions, with Detection space is formed between two cantilever portions；Wherein, the filter screen is inserted at the detection space of the dirty stifled sensor.

The dirty stifled sensor of the utility model makes pedestal by the way that shell is made to deviate from the open at one end of cantilever portion in connecting portion End cap lid closes the opening, and the housing of dirty stifled sensor is formed with this, changes the assembling mode of existing dirty stifled sensor housing, from And the splicing gap between shell and pedestal is reduced, dust and steam is made to be not easily accessible in cavity volume, improves dirty stifled sensor Leakproofness, so as to enhance the stability of dirty stifled sensor.

Description of the drawings

It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, other attached drawings can also be obtained according to the structure shown in these attached drawings.

Fig. 1 is the structure diagram of dirty stifled one embodiment of sensor of the utility model；

Fig. 2 is the Structure explosion diagram of the dirty stifled sensor of the utility model；

Fig. 3 is the Structure explosion diagram at the dirty stifled sensor back side of the utility model.

Drawing reference numeral explanation：

Label	Title	Label	Title	Label	Title
						10	Housing	20	Shell	21	Cantilever portion
211	Outer loophole	22	Connecting portion	23	Cavity volume
						31	End cap	311	Cable-through hole	30	Pedestal
32	Substrate	33	Adjutage	331	Iuuminting hole
						332	Mounting groove	333	Positioning column	334	Recessing groove
34	Connecting plate	40	Photodetection assembly	41	Light emitting head
						42	Light-receiving head	43	First circuit board	44	Second circuit board
45	Location hole	46	Line socket	50	Detect space
						60	Transmission element	70	Cabling channel

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Specific embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out It clearly and completely describes, it is clear that described embodiment is only the part of the embodiment rather than whole of the utility model Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise Lower all other embodiments obtained, shall fall within the protection scope of the present invention.

If it is to be appreciated that related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding, Afterwards ...), then directionality instruction be only used for explain it is opposite between each component under a certain particular pose (as shown in drawings) Position relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.

It if, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment Two " etc. description is only used for description purpose, and it is not intended that instruction or implying its relative importance or implicit indicating meaning The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can express or implicitly include at least one A this feature.In addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill Personnel can be implemented as basis, and this technical side is will be understood that when the combination appearance of technical solution is conflicting or can not realize The combination of case is not present, also not within the protection domain of the requires of the utility model.

Air conditioner in the utility model includes split air conditioner and integral air conditioner, when air conditioner is split type sky When adjusting device, the air conditioner in the utility model refers in particular to air conditioner indoor unit.

The utility model proposes a kind of dirty stifled sensors.

In the utility model embodiment, as shown in Figure 1 to Figure 3, which includes：

Housing 10, including shell 20 and pedestal 30, the shell 20 includes two cantilever portions 21 being oppositely arranged and connection The connecting portion 22 of two cantilever portions 21, the inside of the shell 20 forms the cavity volume 23 for extending to the cantilever portion 21, described Cavity volume 23 is set in the connecting portion 22 away from described 21 one end of cantilever portion in open；The opposite one side of two cantilever portions 21 Offer opposite outer loophole 211；The pedestal 30 includes the open end cap 31 that lid closes the cavity volume 23；And

Photodetection assembly 40, including light emitting first 41 and light-receiving first 42, the light emitting first 41 and light-receiving first 42 divide Not She Yu the cavity volume 23 correspond to the positions of two cantilever portions 21, to form detection space between two cantilever portions 21 50。

In the present embodiment, housing 10 is for all or part of photodetection assembly 40 to provide accommodating space, and to light Detection components 40 play a protective role, and are both to prevent ambient light from penetrating and influence accuracy of detection and protect for protective effect Photodetection assembly 40 itself is protected not by clashing and breaking.By the way that 22 light emitting of connecting portion first 41 and light-receiving first 42 is set to be placed in together In one housing 10, integraty is improved.Shell 20 is preferably by integrated injection molding, to reduce assembling gap.It is appreciated that Be, the open size of cavity volume 23 should enough photodetection assembly 40 by, it is also small as much as possible, with the end cap 31 and shell The gap formed between 20.The opening of photodetection assembly 40 from cavity volume 23 enters cavity volume 23, and 31 sealing cover of end cap closes cavity volume 23 It is open.

In the course of work of dirty stifled sensor, filter screen is inserted in the detection space 50 between two cantilever portions 21, light inspection Component 40 is surveyed by the first 41 transmitting detection light of light emitting, detection light exposes to light and connect through outer loophole 211 and filter screen First 42 are received, so as to generate detection signal.Shell 20 is preferably made of light screening material, to reduce the influence of ambient light, improves detection Precision.

The dirty stifled sensor of the utility model is made by the way that shell 20 is made to deviate from the open at one end of cantilever portion 21 in connecting portion 22 The lid of end cap 31 of pedestal 30 closes the opening, and the housing 10 of dirty stifled sensor is formed with this, changes existing dirty stifled sensor housing 10 assembling mode so as to reduce the splicing gap between shell 20 and pedestal 30, makes dust and steam be not easily accessible cavity volume In 23, the leakproofness of dirty stifled sensor is improved, so as to enhance the stability of dirty stifled sensor.

Further, as shown in Figures 2 and 3, the pedestal 30 includes the substrate 32 from the 31 medial surface projection of end cap, Side of the substrate 32 away from the end cap 31 is equipped with two opposite adjutages 33, and two adjutages 33 are respectively arranged on described Cavity volume 23 corresponds to the position of two cantilever portions 21；The light emitting first 41 and light-receiving first 42 are respectively arranged on two adjutages 33 free end.In the present embodiment, adjutage 33 is preferably in the form of a column setting, with enhancing structure intensity.It is connected to adjutage 33 The light emitting first 41 and light-receiving first 42 of free end with pedestal 30 can enter or detach cavity volume 23, so as to fulfill light detection group The handling synchronous with pedestal 30 of part 40, convenient for handling of the photodetection assembly 40 in cavity volume 23.

Further, as shown in Figures 2 and 3, the shell 20 and pedestal 30 are made of shading material；The light emitting First 41 and light-receiving first 42 be respectively arranged on two adjutages 33 away from it is described detection space 50 one side, two adjutages It is offered on 33 and the outer 211 corresponding iuuminting hole 331 of loophole.In the present embodiment, light emitting first 41 and light connect It receives first 42 and is arranged on one sides of the adjutage 33 away from detection space 50, ambient light first to light emitting 41 and light-receiving first 42 can be reduced It influences, improves accuracy of detection.Iuuminting hole 331 is opposite with light emitting first 41 and light-receiving first 42, the inspection that light emitting first 41 is sent It surveys light and light-receiving first 42 is exposed to by iuuminting hole 331, outer loophole 211 and detection space 50.

Further, as shown in Figures 2 and 3, the one side away from the detection space 50 of two adjutages 33 is recessed Equipped with mounting groove 332, the iuuminting hole 331 is opened in the slot bottom of the mounting groove 332, the light emitting first 41 and light-receiving First 42 are respectively arranged in the mounting groove 332 on two adjutages 33.In the present embodiment, light emitting first 41 and light are connect It receives first 42 to be arranged in mounting groove 332, on the one hand can be further reduced influence of the ambient light to photodetection assembly 40, so as to further Improve accuracy of detection；On the other hand, the connection between photodetection assembly 40 and pedestal 30 can be made compacter, it is dirty stifled so as to enhance The integrally-built stability of sensor.

Further, as shown in Figures 2 and 3, which further includes two transmission elements 60, and two transmission elements 60 divide Not She Yu the one side and lid in two adjutages 33 towards the detection space 50 set the iuuminting hole 331, and two is described Light part 60 and the internal face sealing of shell 20 coordinate.In the present embodiment, transmission element 60 closes outer loophole 211 for sealing cover, To prevent dust or steam from entering cavity volume 23 by outer loophole 211.Preferably, arranged on outer loophole 211 and iuuminting hole 331 Between transmission element 60 also sealable lid closes iuuminting hole 331, with further prevent dust or steam by iuuminting hole 331 into Enter mounting groove 332, so as to influence light emitting first 41 and light-receiving first 42.

Further, as shown in Figures 2 and 3, the pedestal 30 further includes two adjutages 33 of connection and the substrate 32 connecting plate 34, the connecting plate 34 is opposite with the end cap 31, and the connecting plate 34, end cap 31 and substrate 32 enclose shape Into cabling channel 70；The cable-through hole 311 connected with the cabling channel 70 is offered on the end cap 31.In the present embodiment, cabling Slot 70 is to distribution and storage in cavity volume 23 for electric connection line, electric connection line one end 42 electricity first with light emitting first 41 and light-receiving Connection, the other end is extended to the over string holes 311 along cabling channel 70 and is pierced by housing 10 through cable-through hole 311, with controller or power supply Module is electrically connected.

Further, as shown in Figures 2 and 3, the photodetection assembly 40 is further included in the first circuit board being separately set 43 and second circuit board 44, the first circuit board 43 and second circuit board 44 are respectively arranged in two adjutages 33 backwards to institute State the one side in detection space 50；The light emitting first 41 and light-receiving first 42 are individually fixed in the first circuit board 43 and second Circuit board 44.In the present embodiment, light emitting first 41 and light-receiving first 42 are first fixed on first circuit board 43 and second circuit board On 44, first circuit board 43 and second circuit board 44 are being connected respectively with two adjutages 33, with reference to the implementation of above-mentioned mounting groove 332 Example, after light emitting first 41 and light-receiving first 42 are put into mounting groove 332, first circuit board 43 and second circuit board 44 cover and set peace Tankage 332 is further reduced the influence of ambient light and dust or steam first to light emitting 41 and light-receiving first 42.

Further, as shown in Figures 2 and 3, two adjutages 33 are backwards to the equal projection of one side in the detection space 50 There is positioning column 333, the positioning being adapted to the positioning column 333 is offered on the first circuit board 43 and second circuit board 44 Hole 45.In the present embodiment, positioning column 333 and location hole 45 are used to implement being fixedly connected for circuit board and adjutage 33, so as to The connection for making circuit board and adjutage 33 is more firm.

Further, as shown in Figures 2 and 3, line is equipped on the first circuit board 43 and second circuit board 44 to insert Seat 46, one side of two adjutages 33 backwards to the detection space 50 are recessed with recessing groove 334, and the line socket 46 is set In the recessing groove 334.In the present embodiment, line socket 46 is used for for electric connection line and first circuit board 43 and second circuit Plate 44 is electrically connected.Recessing groove 334 is used to step down for line socket 46, so that line socket 46 generates cooperation with adjutage 33, from And so that the connection between photodetection assembly 40 and pedestal 30 is compacter, to enhance the dirty integrally-built stabilization of stifled sensor Property.

The utility model also proposes a kind of air conditioner, including surface frame, is installed on the filter screen of surface frame and and a kind of dirty stifled Sensor, the concrete structure of the dirty stifled sensor is with reference to above-described embodiment, since this dirty stifled sensor employs above-mentioned all realities Whole technical solutions of example, therefore all advantageous effects at least caused by the technical solution with above-described embodiment are applied, herein No longer repeat one by one.Wherein, the filter screen is inserted at the detection space of the dirty stifled sensor.

The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention, It is every under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes It changes or directly/is used in other related technical areas indirectly and is included in the scope of patent protection of the utility model.

Claims (10)

1. a kind of dirty stifled sensor, which is characterized in that including：

Housing, including shell and pedestal, the shell includes two cantilever portions being oppositely arranged and connects two cantilever portions Connecting portion, the inside of the shell form the cavity volume for extending to the cantilever portion, and the cavity volume deviates from institute the connecting portion Cantilever portion one end is stated to set in open；Two cantilever portions it is opposite offer opposite outer loophole on one side；The pedestal bag Include the open end cap that lid closes the cavity volume；And

Photodetection assembly, including light emitting head and light-receiving head, the light emitting head and light-receiving head are respectively arranged on the cavity volume The position of corresponding two cantilever portions, to form detection space between two cantilever portions.

2. dirty stifled sensor as described in claim 1, which is characterized in that the pedestal is included from the rubbing surface of end cover projection Substrate, side of the substrate away from the end cap be equipped with two opposite adjutages, and two adjutages are respectively arranged on described Cavity volume corresponds to the position of two cantilever portions；The light emitting head and light-receiving head are respectively arranged on the freedom of two adjutages End.

3. dirty stifled sensor as claimed in claim 2, which is characterized in that the shell and pedestal are made of shading material； The light emitting head and light-receiving head are respectively arranged on the one side away from the detection space of two adjutages, two extensions Iuuminting hole corresponding with the outer loophole is offered on arm.

4. dirty stifled sensor as claimed in claim 3, which is characterized in that two adjutages away from the detection space Mounting groove is recessed on one side, and the iuuminting hole is opened in the slot bottom of the mounting groove, the light emitting head and light-receiving head It is respectively arranged in the mounting groove on two adjutages.

5. dirty stifled sensor as claimed in claim 3, which is characterized in that further include two transmission elements, the two transmission element difference One side and lid arranged on two adjutages towards the detection space set the iuuminting hole, and two transmission elements and shell Internal face sealing cooperation.

6. dirty stifled sensor as claimed in claim 2, which is characterized in that the pedestal further include two adjutages of connection with The connecting plate of the substrate, the connecting plate is opposite with the end cap, and the connecting plate, end cap and substrate are enclosed cabling Slot；The cable-through hole connected with the cabling channel is offered on the end cap.

7. such as the dirty stifled sensor of claim 2 to 6 any one of them, which is characterized in that the photodetection assembly, which further includes, is in The first circuit board and second circuit board being separately set, the first circuit board and second circuit board, which are respectively arranged in described in two, to be prolonged Semi-girder is backwards to the one side in the detection space；The light emitting head and light-receiving head are individually fixed in the first circuit board and Two circuit boards.

8. dirty stifled sensor as claimed in claim 7, which is characterized in that two adjutages are backwards to the one of the detection space Face is convexly equipped with positioning column, and the positioning being adapted to the positioning column is offered on the first circuit board and second circuit board Hole.

9. dirty stifled sensor as claimed in claim 7, which is characterized in that be all provided on the first circuit board and second circuit board There is line socket, one side of two adjutages backwards to the detection space is recessed with recessing groove, and the line socket is arranged on The recessing groove.

10. a kind of air conditioner, which is characterized in that including surface frame, be installed on the filter screen of the surface frame and such as claim 1 To the dirty stifled sensor of 9 any one of them, the filter screen is inserted at the detection space of the dirty stifled sensor.