CN105258805A - Sensor device - Google Patents
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- CN105258805A CN105258805A CN201510790659.6A CN201510790659A CN105258805A CN 105258805 A CN105258805 A CN 105258805A CN 201510790659 A CN201510790659 A CN 201510790659A CN 105258805 A CN105258805 A CN 105258805A
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Abstract
The invention discloses a sensor device. The sensor device comprises a mounting box, a mounting cover, a baffle, a sensor assembly and a sealing ring; a cavity of which one side is open is formed in the mounting box; the mounting cover is arranged on the mounting box in a covering manner so as to cover the open side of the cavity; wire-through holes and an annular arrangement hole are defined between the mounting box and the mounting cover; the baffle is arranged in the cavity so as to divide the cavity into a first accommodation cavity and a second accommodation cavity; the wire-through holes are communicated with the second accommodation cavity; the sensor assembly includes a circuit board, sensors and wiring terminals; the wiring terminals and the sensors are electrically connected with the circuit board respectively; the sensor assembly is arranged in the first accommodation cavity; wires connected with the wiring terminals pass through the wire-through holes and extend out from the cavity; the first accommodation cavity is filled with a glue filling layer; and the glue filling layer at least covers the circuit board; and the sealing ring is arranged in the arrangement hole. According to the sensor device of the invention, the sealing performance of the sensor assembly can be improved, excellent waterproof and dustproof performance can be realized.
Description
Technical field
The present invention relates to sensor technical field, especially relate to a kind of sensor device.
Background technology
Point out in correlation technique, the sealing of sensor device is poor, and waterproof and dust-proof effect are not good.
Summary of the invention
The present invention is intended to solve one of technical matters in correlation technique at least to a certain extent.For this reason, the present invention proposes a kind of sensor device, good airproof performance.
According to the sensor device of the embodiment of the present invention, comprise mounting box, in described mounting box, be formed with the cavity that side is opened wide; Mounting cover, described mounting cover is located at side unlimited with cavity described in capping on described mounting box, limits the putting hole of cable-through hole and annular between described mounting box and described mounting cover; Baffle plate, described baffle plate is located to be separated out the first container cavity and the second container cavity in described cavity, and described cable-through hole is communicated with described second container cavity; Sensor module, described sensor module comprises circuit board, sensor and connection terminal, described connection terminal and described sensor are electrically connected with circuit board respectively, described sensor module is located in described first container cavity, the wire be connected with described connection terminal stretches out described cavity through described cable-through hole, be filled with encapsulating layer in wherein said first container cavity, described encapsulating layer at least covers described circuit board; O-ring seal, described O-ring seal is located in described putting hole.
According to the sensor device of the embodiment of the present invention, on the one hand by utilizing baffle plate will to be separated out the first container cavity and the second container cavity between the cavity in mounting box, and sensor module is located in the first container cavity, and encapsulating layer is filled in the first container cavity, and make encapsulating layer at least covering board, the sealing to sensor module can be improved, play waterproof and dust-proof effect; On the other hand by O-ring seal being located in the putting hole that limited by mounting box and mounting cover, effectively can improve the sealing between mounting box and mounting cover, thus ensure that the sealing of sensor device, further increase the dustproof and waterproof effect to sensor module.
According to some embodiments of the present invention, described wire stretches into described second container cavity from the top of described baffle plate and part is accommodated in described second container cavity.
Further, the top of described baffle plate is formed with at least one crossed beam trunking, and described wire extend in described second container cavity through described crossed beam trunking.
Further, the roof of described baffle plate is provided with projection, and a part for described projection is to lower recess to limit described crossed beam trunking, and the diapire of described crossed beam trunking is not less than the roof of described baffle plate.
According to some embodiments of the present invention, the top of described connection terminal is not higher than the least significant end of the end face of described sensor, and described encapsulating layer covers described connection terminal.
According to some embodiments of the present invention, sensor device also comprises sealing shroud, be enclosed within outside described sealing shroud described wire go up at least partially and described sealing shroud is contained in described cable-through hole.
Further, described sealing shroud is provided with breach, and a part for described O-ring seal is contained in described breach.
Further, the sidewall of described mounting box is provided with first and crosses line groove, the sidewall of described mounting cover be provided with to cross with first that line groove coordinates second cross line groove, described first crosses line groove and described second crosses line groove cooperation to limit described cable-through hole.
Further, the two ends of described sealing shroud are formed with flange respectively, on two end faces that two described flanges are only against described cable-through hole respectively with by spacing for described sealing shroud in described cable-through hole.
According to some embodiments of the present invention, the end face towards described mounting cover of described mounting box is provided with the groove of annular to limit described putting hole.
According to some embodiments of the present invention, the diapire of described first container cavity is formed with multiple spaced brace rod to support described sensor module.
According to some embodiments of the present invention, the diapire of described first container cavity is formed with multiple spaced positioning bar to be positioned in described first container cavity by described sensor module.
According to some embodiments of the present invention, described sensor module comprises two described sensors, and described two sensor perturbations are arranged on described circuit board, and the angle between the detection end face of described two sensors is obtuse angle.
According to some embodiments of the present invention, described sensor is infrared sensor.
Accompanying drawing explanation
Fig. 1 is the structural representation of the sensor device according to the embodiment of the present invention;
Fig. 2 is the STRUCTURE DECOMPOSITION schematic diagram of the sensor device shown in Fig. 1;
Fig. 3 is the part-structure schematic diagram of the sensor device according to the embodiment of the present invention;
Fig. 4 is the vertical view of the part-structure of the sensor device shown in Fig. 3;
Fig. 5 is the A-A place cut-open view of the part-structure of the sensor device shown in Fig. 4;
Fig. 6 is the structural representation be connected with mounting box according to the baffle plate of the embodiment of the present invention;
Fig. 7 is the vertical view that the baffle plate shown in Fig. 6 is connected with mounting box;
Fig. 8 is the B-B place cut-open view that the baffle plate shown in Fig. 7 is connected with mounting box;
Fig. 9 is the front view of the sealing shroud according to the embodiment of the present invention;
Figure 10 is the vertical view of the sealing shroud according to the embodiment of the present invention;
Figure 11 is the left view of the sealing shroud according to the embodiment of the present invention.
Reference numeral:
Sensor device 100;
Mounting box 1; First container cavity 11; Brace rod 111; Positioning bar 112; Second container cavity 12;
Baffle plate 2; Crossed beam trunking 21; Protruding 22; The roof 23 of baffle plate;
Sensor module 3; Circuit board 31; Sensor 32; Connection terminal 33;
Sealing shroud 4; Breach 41; Flange 42;
O-ring seal 5;
Cable-through hole 6; First crosses line groove 6a; Second crosses line groove 6b;
Putting hole 7; Mounting cover 8; Encapsulating layer 9.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
Below with reference to Fig. 1-Figure 11, the sensor device 100 according to the embodiment of the present invention is described.Sensor device 100 can be used in electrical equipment, to realize the intellectuality of electrical equipment.Such as, sensor device 100 can be infrared sensor devices, when infrared sensor devices is used in electrical equipment such as indoor apparatus of air conditioner, can so that environment temperature in indoor apparatus of air conditioner sensing chamber, thus make indoor apparatus of air conditioner make corresponding action according to the indoor environment temperature detected, realize the intellectuality of indoor apparatus of air conditioner.
As Figure 1-Figure 4, mounting box 1, mounting cover 8, baffle plate 2, sensor module 3 and O-ring seal 5 can be comprised according to the sensor device 100 of the embodiment of the present invention.
Be formed with the cavity that side is opened wide in mounting box 1, baffle plate 2 and sensor module 3 can be located in cavity, and mounting cover 8 can be located at the side that capping cavity opens wide on mounting box 1, thus realizes the connection between mounting cover 8 and mounting box 1.
Particularly, as shown in Fig. 2 and Fig. 6-Fig. 7, the putting hole 7 of cable-through hole 6 and annular is limited between mounting box 1 and mounting cover 8, the wire of sensor module 3 can stretch out cavity through cable-through hole 6, when sensor device 100 is applied in electrical equipment, the wire stretching out cavity of sensor module 3 can be connected with other wire harness of electrical equipment.
As shown in Fig. 1, Fig. 3-Fig. 4, O-ring seal 5 can be located in putting hole 7, thus, when mounting cover 8 is arranged on mounting box 1, the O-ring seal 5 be located in putting hole 7 can play sealing function, thus the sealing that can effectively improve between mounting box 1 and mounting cover 8, improve waterproof and the dust-proof effect of sensor device 100.
Baffle plate 2 is located in cavity to be separated out the first container cavity 11 and the second container cavity 12, sensor module 3 can be located in the first container cavity 11, cable-through hole 6 is communicated with the second container cavity 12, thus, the wire of sensor module 3 can reach mounting box 1 from the cable-through hole 6 be communicated with the second container cavity 12.
Particularly, as shown in Figure 2, sensor module 3 comprises circuit board 31, sensor 32 and connection terminal 33, and wherein, connection terminal 33 and sensor 32 can be located on the upper surface of circuit board 31 at interval, and structure is simple.
As Figure 3-Figure 4, the wire be connected with connection terminal 33 stretches out cavity through cable-through hole 6, the wire be such as connected with connection terminal 33 can first stretch out from the first container cavity 11, and extend into the second container cavity 12, cavity is stretched out subsequently from the cable-through hole 6 be communicated with the second container cavity 12, thus when sensor device 100 is applied in electrical equipment, the wire stretching out cavity from cable-through hole 6 can be communicated with other wire harness of electrical equipment.
Connection terminal 33 and sensor 32 are electrically connected with circuit board 31 respectively.Specifically, when sensor device 100 is applied in electrical equipment, the wire of connection terminal 33 stretches out cavity by cable-through hole 6 and is connected with the wire harness of electrical equipment, and connection terminal 33 and sensor 32 are electrically connected with circuit board 31 respectively, thus achieves the electrical connection between electrical equipment and sensor 32.
As shown in Figure 5 and Figure 8, encapsulating layer 9 is filled with in first container cavity 11, encapsulating layer 9 is covering board 31 at least, thus, by filling encapsulating layer 9 in the first container cavity 11, and make encapsulating layer 9 at least covering board 31, the sealing to sensor module 3 can be improved to a certain extent, thus play waterproof and dust-proof effect, avoid because steam and/or dust etc. enter into the damage of the sensor module 3 caused in the first container cavity 11 such as because steam enters into the short circuit problem etc. of the circuit board 31 and/or connection terminal 33 caused in the first container cavity 11.
It should be noted that, encapsulating layer 9 has heating and namely melts, and cools the character of namely solidifying, encapsulating layer 9 can be convenient to thus to be filled in the first container cavity 11.Certainly, be understandable that, the height of encapsulating layer 9 is not higher than the extreme lower position of the roof of the first container cavity 11, and thus, when can avoid encapsulating, encapsulating layer 9 spills in the second container cavity 12 from the first container cavity 11 or spills into mounting box 1.Such as, the roof of mounting box 1 is in same level, and when height higher than the roof of mounting box 1 of the height of the roof 23 of baffle plate, the roof position of mounting box 1 is the extreme lower position of the roof of the first container cavity 11, now the height of encapsulating layer 9 is not higher than the position of the roof of mounting box 1, spills into outside mounting box 1 to avoid encapsulating layer 9.
Be understandable that, when to the first container cavity 11 encapsulating, the baffle plate 2 be arranged in cavity can prevent the encapsulating layer 9 of the first container cavity 11 from spilling into the outside of cavity from cable-through hole 6.
Alternatively, encapsulating layer 9 is moistureproof glue-line, thus, better can improve the sealing to sensor module 3.
According to the sensor device 100 of the embodiment of the present invention, on the one hand by utilizing baffle plate 2 will to be separated out the first container cavity 11 and the second container cavity 12 between the cavity in mounting box 1, and sensor module 3 is located in the first container cavity 11, and encapsulating layer 9 is filled in the first container cavity 11, and make encapsulating layer 9 at least covering board 31, the sealing to sensor module 3 can be improved, play waterproof and dust-proof effect; On the other hand by O-ring seal 5 being located in the putting hole 7 that limited by mounting box 1 and mounting cover 8, effectively can improve the sealing between mounting box 1 and mounting cover 8, thus ensure that the sealing of sensor device 100, further increase the effect of the dustproof and waterproof to sensor module 3.
According to some embodiments of the present invention, wire stretches into the second container cavity 12 from the top of baffle plate 2 and part is accommodated in the second container cavity 12, that is, the wire of connection terminal 33 stretches out the first container cavity 11 from the top of baffle plate 2, and extend in the second container cavity 12, and part is accommodated in the second container cavity 12, while part wire is accommodated in the second container cavity 12, wire continues to stretch out cavity from the cable-through hole 6 be communicated with the second container cavity 12, thus when sensor device 100 is used in electrical equipment, be convenient to sensor module 3 be connected with the wire harness outside mounting box 1.
Further, as shown in Figure 6 and Figure 8, the top of baffle plate 2 is formed with at least one crossed beam trunking 21, wire extend in the second container cavity 12 through crossed beam trunking 21, not only structure is simple thus, and when wire stretches out from the first container cavity 11, and when being extend in the second container cavity 12 by the crossed beam trunking 21 at baffle plate 2 top, crossed beam trunking 21 can also play spacing effect to wire, avoids wire to produce displacement at the top of baffle plate 2.
Further, as shown in Figure 6 and Figure 8, the roof 23 of baffle plate is provided with protruding 22, a part of protruding 22 to lower recess to limit crossed beam trunking 21, the diapire of crossed beam trunking 21 is not less than the roof 23 of baffle plate, thus, when being filled with encapsulating layer 9 in the first container cavity 11, by arranging protruding 22 at the roof 23 of baffle plate, and make a part of protruding 22 to lower recess to limit crossed beam trunking 21, make the diapire of crossed beam trunking 21 be not less than the roof 23 of baffle plate simultaneously, not only facilitate the wire of sensor module 3 through crossed beam trunking 21, encapsulating layer 9 when can also avoid encapsulating in the first container cavity 11 flows to the second container cavity 12 by crossed beam trunking 21, thus avoid encapsulating layer 9 to flow out to the outside of mounting box 1 from the cable-through hole 6 be communicated with the second container cavity 12 further.
Alternatively, crossed beam trunking 21 is two of being spaced apart from each other, and such as, two crossed beam trunkings 21 are symmetrical on baffle plate 2, and thus, not only structure is simple, and the wire being conducive to connection terminal 33 extend in the second container cavity 12 from two crossed beam trunkings 21 respectively.Further, baffle plate 2 and protruding 22 is formed in one part, and thus, not only structure is simple, and simplifies production technology, is conducive to the intensity improving baffle plate 2 and protruding 22 simultaneously.
According to some embodiments of the present invention, the roof 23 of baffle plate is not less than the roof of mounting box 1, thus when filling encapsulating layer 9 in the first container cavity 11, avoiding encapsulating layer 9 to spill into the second container cavity 12 from the first container cavity 11 and flowing out from cable-through hole 6 to avoid the encapsulating layer 9 spilt in the second container cavity 12 further.
In some embodiments of the invention, the top of connection terminal 33 is not higher than the least significant end of the end face of sensor 32, and encapsulating layer 9 covers connection terminal 33.Such as, the top of connection terminal 33 is not higher than the least significant end of the end face of sensor 32, encapsulating layer 9 is while covering connection terminal 33, the end face of encapsulating layer 9 not covering sensor 32, thus, connection terminal 33 and circuit board 31 can be covered with while preventing dust and/or steam etc. from entering into connection terminal 33 and circuit board 31 at guarantee encapsulating layer 9, the detection signal of the sensor 32 caused because of the surface of encapsulating layer 9 covering sensor 32 can also be avoided to be affected.
In some embodiments of the invention, sensor module 3 comprises two sensors 32, two sensors 32 are inclined and mounted on circuit board 31, angle between the detection end face of two sensors 32 is obtuse angle, such as two sensors 32 downwards and be inclined and mounted on circuit board 31 towards direction away from each other respectively, and the angle between the detection end face of two sensors 32 is 120 °, thus, not only structure is simple, and is conducive to the angular range that expansion two sensors 32 can detect.Alternatively, two sensors 32 are formed as cylindrical shape substantially.
Alternatively, sensor module 3 can comprise two connection terminals 33, the corresponding sensor 32 of each connection terminal 33.
According to some embodiments of the present invention, as shown in figs 2-4, sensor device 100 also comprises sealing shroud 4, be enclosed within outside sealing shroud 4 wire go up at least partially and sealing shroud 4 is contained in cable-through hole 6, thus, the wire being not only convenient to connection terminal 33 stretches out cavity so that realize sensor module 3 and be connected with other wire harness in electrical equipment, also can effectively cable-through hole 6 be sealed simultaneously, avoid steam and/or dust etc. to enter into cavity even in the first container cavity 11 by cable-through hole 6, thus further increase the water proof and dust proof effect of sensor device 100.
Further, as shown in Fig. 3, Figure 10 and Figure 11, sealing shroud 4 is provided with breach 41, and a part for O-ring seal 5 is contained in breach 41.Specifically, when sealing shroud 4 is contained in cable-through hole 6, the breach 41 of sealing shroud 4 can be corresponding with putting hole 7, thus when O-ring seal 5 is contained in annular putting hole 7, a part for O-ring seal 5 is just contained in breach 41, thus, further improve the sealing of mounting cover 8 and mounting box 1, avoid steam or dust etc. to enter in cavity.
Further, as shown in Fig. 2, Fig. 6-Fig. 7, the sidewall of mounting box 1 is provided with first and crosses line groove 6a, the sidewall of mounting cover 8 is provided with the second mistake line groove 6b coordinated with the first mistake line groove 6a, first crosses line groove 6a and second crosses line groove 6b and coordinates to limit cable-through hole 6, thus the wire being convenient to connection terminal 33 stretches out cavity by cable-through hole 6 is connected with other wire harness of electrical equipment.
Further, as shown in Figure 10 and Figure 11, the two ends of sealing shroud 4 are formed with flange 42 respectively, on two end faces that two flanges 42 are only against cable-through hole 6 respectively with by spacing for sealing shroud 4 in cable-through hole 6, thus, can prevent sealing shroud 4 from cable-through hole 6, producing displacement, thus improve the reliability of sealing shroud 4 pairs of cable-through holes 6 sealings.
Further, cable-through hole 6 can be circular port, and each flange 42 is formed as annular, and not only structure is simple thus, and is convenient to mate with two of cable-through hole 6 end faces.
Alternatively, the thickness of sealing shroud 4 is 1.0-1.5mm.Certainly, the present invention is not limited thereto, the thickness of sealing shroud 4 can also be thicker or more thinner.
Alternatively, sealing shroud 4 is silica gel part, ethylene-propylene-diene rubber part or nitrile rubber part, and O-ring seal 5 is silica gel part, ethylene-propylene-diene rubber part or nitrile rubber part.Specifically, sealing shroud 4 can be made up of the one in identical material such as silica gel, ethylene-propylene-diene rubber or nitrile rubber with O-ring seal 5, sealing shroud 4 and O-ring seal 5 also can be made from a variety of materials, and such as sealing shroud 4 is made up of silica gel, and O-ring seal 5 is made up of nitrile rubber.
Because elastomeric material has elasticity, by making sealing shroud 4 for silica gel part, ethylene-propylene-diene rubber part or nitrile rubber part, O-ring seal 5 is silica gel part, ethylene-propylene-diene rubber part or nitrile rubber part, therefore, when sealing shroud 4 and O-ring seal 5 are placed in cable-through hole 6 and putting hole 7 respectively, can by crush seal overlap 4 and O-ring seal 5 to realize interference fit, thus effectively improve the sealing between mounting box 1 and mounting cover 8, ensure that the dustproof and waterproof effect of sensor device 100.
In some embodiments of the invention, the end face towards mounting cover 8 of mounting box 1 is provided with the groove of annular to limit putting hole 7, thus is convenient to O-ring seal 5 to be accommodated in groove, and not only structure is simple, and facilitates the placement of O-ring seal 5.
Alternatively, the cross section of O-ring seal 5 is substantial circular or ellipse, and structure is simple.Alternatively, when the cross section of O-ring seal 5 is substantial circular, the diameter range in its cross section is 0.5-2mm.
In some embodiments of the invention, as shown in Figure 6 and Figure 7, the diapire of the first container cavity 11 is formed with multiple spaced brace rod 111 to support sensor module 3.Such as, multiple spaced brace rod 111 by supporting the circuit board 31 of sensor module 3, thus can support sensor module 3, and structure is simple, reliable.Alternatively, multiple brace rod 111 can be arranged around the madial wall uniform intervals of the first container cavity 11.
According to some embodiments of the present invention, as shown in Figure 6 and Figure 7, the diapire of the first container cavity 11 is formed with multiple spaced positioning bar 112 to be positioned in the first container cavity 11 by sensor module 3.Such as, multiple spaced positioning bar 112 can pass through the circuit board 31 of alignment sensor assembly 3, thus by spacing for sensor module 3 on the diapire of the first container cavity 11, to avoid sensor module 3 at the first container cavity 11 internal shift or sideslip.
In some embodiments of the invention, sensor 32 is infrared sensor, and infrared sensor 32 may be used for detected temperatures, when sensor device 100 is applied in electrical equipment, can increase the temp sensing function of electrical equipment.
Below with reference to Fig. 1-Figure 11, the structure of the sensor device 100 of the present invention's specific embodiment is described in detail.But it should be noted that; following explanation only has exemplary; those of ordinary skill is after having read following technical proposals of the present invention; obviously can combine or replace, revise technical scheme wherein or portion of techniques feature, this also falls within protection domain of the presently claimed invention.
As Figure 1-Figure 4, mounting box 1, mounting cover 8, baffle plate 2, sensor module 3, O-ring seal 5 and sealing shroud 4 can be comprised according to the sensor device 100 of the embodiment of the present invention.
Be formed with the cavity that side is opened wide in mounting box 1, mounting cover 8 is located at the side that capping cavity opens wide on mounting box 1, thus realizes the connection between mounting cover 8 and mounting box 1.
Particularly, as shown in Fig. 2 and Fig. 6-Fig. 7, limit the putting hole 7 of cable-through hole 6 and annular between mounting box 1 and mounting cover 8, O-ring seal 5 can be located in putting hole 7.Baffle plate 2 is located to be separated out the first container cavity 11 and the second container cavity 12 in cavity, and sensor module 3 can be located in the first container cavity 11, and cable-through hole 6 is communicated with the second container cavity 12.
As shown in Fig. 2, Fig. 6-Fig. 7, the sidewall of mounting box 1 is provided with first and crosses line groove 6a, the sidewall of mounting cover 8 be provided with to cross with first that line groove 6a coordinates second cross line groove 6b, first crosses line groove 6a and second crosses line groove 6b cooperation to limit cable-through hole 6.
As shown in Figure 2, sensor module 3 comprises circuit board 31, two infrared sensors 32 and two connection terminals 33.Connection terminal 33 and infrared sensor 32 are electrically connected with circuit board 31 respectively, and the top of connection terminal 33 is not higher than the least significant end of the end face of infrared sensor 32.As Figure 3-Figure 4, the wire be connected with connection terminal 33 stretches out cavity through cable-through hole 6.Two infrared sensors 32 are inclined and mounted on circuit board 31, and the angle between the detection end face of two infrared sensors 32 is obtuse angle.
As shown in Figure 5 and Figure 8, be filled with encapsulating layer 9 in the first container cavity 11, encapsulating layer 9 covers connection terminal 33, thus, can improve the sealing to sensor module 3, thus plays waterproof and dust-proof effect.
Wire stretches into the second container cavity 12 from the top of baffle plate 2 and part is accommodated in the second container cavity 12.As shown in Figure 6 and Figure 8, the top of baffle plate 2 is formed with two crossed beam trunkings 21, and the wire of each connection terminal 33 extend in the second container cavity 12 through corresponding crossed beam trunking 21.Particularly, the roof 23 of baffle plate is provided with protruding 22, and a part for projection 22 is to lower recess to limit crossed beam trunking 21, and the diapire of crossed beam trunking 21 is not less than the roof 23 of baffle plate.
Be enclosed within outside sealing shroud 4 wire go up at least partially and sealing shroud 4 is contained in cable-through hole 6.Particularly, as shown in Fig. 3, Figure 10 and Figure 11, sealing shroud 4 is provided with breach 41, and a part for O-ring seal 5 is contained in breach 41.Specifically, when sealing shroud 4 is contained in cable-through hole 6, the breach 41 of sealing shroud 4 can be corresponding with putting hole 7, thus when O-ring seal 5 is contained in annular putting hole 7, a part for O-ring seal 5 is just contained in breach 41, thus, further improve the sealing of mounting cover 8 and mounting box 1, avoid steam or dust etc. to enter in cavity.
As shown in Figure 10 and Figure 11, the two ends of sealing shroud 4 are formed with flange 42 respectively, on two end faces that two flanges 42 are only against cable-through hole 6 respectively with by spacing for sealing shroud 4 in cable-through hole 6, thus, can prevent sealing shroud 4 from cable-through hole 6, producing displacement, thus improve the reliability of sealing shroud 4 pairs of cable-through holes 6 sealings.
The end face towards mounting cover 8 of mounting box 1 is provided with the groove of annular to limit putting hole 7, thus is convenient to O-ring seal 5 to be accommodated in groove, and not only structure is simple, and facilitates the placement of O-ring seal 5.
As shown in Figure 6 and Figure 7, the diapire of the first container cavity 11 is formed with multiple spaced brace rod 111 to support sensor module 3.
The diapire of the first container cavity 11 is formed with multiple spaced positioning bar 112 to be positioned in the first container cavity 11 by sensor module 3.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection or each other can communication; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary indirect contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this instructions, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this instructions or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (14)
1. a sensor device, is characterized in that, comprising:
Mounting box, is formed with the cavity that side is opened wide in described mounting box;
Mounting cover, described mounting cover is located at side unlimited with cavity described in capping on described mounting box, limits the putting hole of cable-through hole and annular between described mounting box and described mounting cover;
Baffle plate, described baffle plate is located to be separated out the first container cavity and the second container cavity in described cavity, and described cable-through hole is communicated with described second container cavity;
Sensor module, described sensor module comprises circuit board, sensor and connection terminal, described connection terminal and described sensor are electrically connected with circuit board respectively, described sensor module is located in described first container cavity, the wire be connected with described connection terminal stretches out described cavity through described cable-through hole, be filled with encapsulating layer in wherein said first container cavity, described encapsulating layer at least covers described circuit board;
O-ring seal, described O-ring seal is located in described putting hole.
2. sensor device according to claim 1, is characterized in that, described wire stretches into described second container cavity from the top of described baffle plate and part is accommodated in described second container cavity.
3. sensor device according to claim 2, is characterized in that, the top of described baffle plate is formed with at least one crossed beam trunking, and described wire extend in described second container cavity through described crossed beam trunking.
4. sensor device according to claim 3, is characterized in that, the roof of described baffle plate is provided with projection, and a part for described projection is to lower recess to limit described crossed beam trunking, and the diapire of described crossed beam trunking is not less than the roof of described baffle plate.
5. sensor device according to claim 1, is characterized in that, the top of described connection terminal is not higher than the least significant end of the end face of described sensor, and described encapsulating layer covers described connection terminal.
6. sensor device according to claim 1, is characterized in that, also comprises sealing shroud, be enclosed within outside described sealing shroud described wire go up at least partially and described sealing shroud is contained in described cable-through hole.
7. sensor device according to claim 6, is characterized in that, described sealing shroud is provided with breach, and a part for described O-ring seal is contained in described breach.
8. sensor device according to claim 7, it is characterized in that, the sidewall of described mounting box is provided with first and crosses line groove, the sidewall of described mounting cover be provided with to cross with first that line groove coordinates second cross line groove, described first crosses line groove and described second crosses line groove cooperation to limit described cable-through hole.
9. sensor device according to claim 6, is characterized in that, the two ends of described sealing shroud are formed with flange respectively, on two end faces that two described flanges are only against described cable-through hole respectively with by spacing for described sealing shroud in described cable-through hole.
10. sensor device according to claim 1, is characterized in that, the end face towards described mounting cover of described mounting box is provided with the groove of annular to limit described putting hole.
11. sensor fastening devices according to claim 1, is characterized in that, the diapire of described first container cavity are formed with multiple spaced brace rod to support described sensor module.
12. sensor fastening devices according to claim 1, is characterized in that, the diapire of described first container cavity are formed with multiple spaced positioning bar to be positioned in described first container cavity by described sensor module.
13. sensor devices according to claim 1, is characterized in that, described sensor module comprises two described sensors, and described two sensor perturbations are arranged on described circuit board, and the angle between the detection end face of described two sensors is obtuse angle.
14. sensor devices according to any one of claim 1-13, it is characterized in that, described sensor is infrared sensor.
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| CN106932100A (en) * | 2017-03-23 | 2017-07-07 | 航天科工哈尔滨风华有限公司电站设备分公司 | A kind of air preheater device for detecting temperature |
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| CN113614464A (en) * | 2019-03-28 | 2021-11-05 | 三菱电机株式会社 | Substrate holder, refrigerant detection device, and refrigeration cycle device |
| CN113759238A (en) * | 2021-10-12 | 2021-12-07 | 云南保利天同水下装备科技有限公司 | Circuit board protection device for high-low temperature damp-heat test and processing method thereof |
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