CN208519605U - A kind of plant growth light source mould group - Google Patents

Abstract

The utility model relates to agricultural breeding experimental facilities, disclose a kind of plant growth light source mould group, short circuit damage easily occurs for direct-electrifying after solving the problems, such as existing plant growth light source mould group sweating water pearl, its key points of the technical solution are that a kind of plant growth light source mould group, including shell and light source assembly；Mounting groove is provided on shell one side；Light source assembly includes light source board, and several light source units have been evenly spaced on light source board；Light source unit includes the lampshade and several lamp beads being accommodated in lampshade for being fixed on light source board towards installation notch one side；Light source board is placed in the slot bottom of mounting groove, and the side of light source board towards mounting groove notch is provided with sealant layer in mounting groove, and light source assembly only has lampshade and stretches out outside sealant layer far from one end of light source board, and light source assembly can be prevented short-circuit due to steam wetting.

Description

A kind of plant growth light source mould group

Technical field

The utility model relates to agricultural breeding experimental facilities, in particular to a kind of plant growth light source mould group.

Background technique

Now with the development of science and technology and population, people also seldom increase grain demand amount, to obtain on limited soil It takes more grains and harvests grain on the soil of bad nature of soil, the optimized varieties and kind good child-rearing to crops are to become agriculture One of the heat subject of industry researcher.For make experiment reduce extraneous factor interference, carry out it is more smooth, it is now middle-size and small-size Experiment is all built up in indoor environment, and by the quasi stationary natural environment of experimental facilities mould, the variable to realize experiment is controllable.

Wherein illumination is provided by plant growth light source mould group in the full growth cycle of plant, is compareed according to different plant growths Light spectrum demand is penetrated even to kindred plant different stages of growth to irradiation light spectrum demand, customizes different light source units.

As shown in Fig. 9, existing a kind of plant growth light source mould group including plate 5 of mating formation, is mounted on 5 back side of plate of mating formation Switching Power Supply component 3'(is the difference of Switching Power Supply component 3 in the invention, is denoted as 3' in this appended drawing reference) and several peaces Mounted in the positive light source lamp group 6 of power supply.Switching Power Supply component 3' includes control circuit board, transformer and voltage-stablizer etc..Illuminator Group 6 includes the lamp bead 231 of the different optical frequencies of several transmittings, such as feux rouges lamp bead 231, yellow light lamp bead 231 and white light lamp bead 231, institute The light for having lamp bead 231 to be issued forms mixed light after mixing, the spectrum of mixed light is the light source light in certain plant growth stage Irradiation spectrum.Therefore every piece of 231 type of lamp bead, quantity and distributing position mated formation on plate 5 is directed to certain crops all in accordance with experiment Irradiation light spectrum demand depending on be arranged, arbitrarily can not replace or modify.

As shown in Fig. 10, when which installs, first on the top of experiment greenhouse, raising chamber or incubator Load frame 7 is installed in portion, and even partition has several installation positions 72 in load frame 7, between adjacent installation position 72 between be separated with erection Item 71.Mat formation plate 5 can face down cover on installation position 72, and the edge for plate 5 of mating formation is pressed on the frame at 72 edge of installation position If on item 71, then being bolted, then the Switching Power Supply component 3' of neighboring plants growth light source module group is being coupled and connect Basic installation can be completed in energization source.

Disadvantage is that experiment greenhouse, raising chamber or incubator can give phytoremediation, environmental wet when cultivating plant Spend larger, but steam rises in the front of plate 5 condensation droplet of mating formation plant growth light source mould group when not in use, is not wiping removing water Before pearl, short circuit damage plant growth light source mould group easily occurs for direct-electrifying.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of plant growth light source mould group, It can prevent light source assembly short-circuit due to steam wetting.

The above-mentioned technical purpose of the utility model has the technical scheme that

A kind of plant growth light source mould group, including shell and light source assembly；Mounting groove is provided on the shell one side； The light source assembly includes light source board, and several light source units have been evenly spaced on the light source board；The light source unit packet Include the lampshade and several lamp beads being accommodated in lampshade for being fixed on light source board towards installation notch one side；The light source board is placed In the slot bottom of mounting groove, the side of light source board towards mounting groove notch is provided with sealant layer in the mounting groove, it is described Light source assembly only has lampshade and stretches out outside sealant layer far from one end of light source board.

By using above-mentioned technical proposal, mounting groove notch direction and alignment plant when plant growth light source mould group uses, Compared with the positive light source lamp group of plate of entirely mating formation is distributed in the prior art, this plant growth light source mould group has several lamps with multiple The light source unit of pearl substitutes, and light is aimed downwardly plant through lampshade, while sealant layer is covered on light source board towards mounting groove slot In the one side of mouth, sealant layer plays sealing function together with lampshade, prevents steam and dust from directly contacting light source board and lamp bead, And then prevent light source assembly short-circuit due to steam wetting.

Preferably, further including Switching Power Supply component；Closed installation line chamber is provided in the shell；The switch It is intracavitary that power supply module is mounted on hookup wire.

It by using above-mentioned technical proposal, prevents steam from soaking Switching Power Supply component, avoids Switching Power Supply component short-circuit.

Preferably, the slot bottom of the mounting groove is provided with two parallel positioning edges, two positioning are along source of parallel light The length direction of plate and the two sides for supporting patch light source board length direction respectively.

By using above-mentioned technical proposal, positioning is defined along to position of the light source board in mounting groove, prevents plant When growing light source module group irradiation, two adjacent plant growth light source mould group irradiation light distribution situations are different, generate partial region light Experimental result is influenced there are deviation according to intensity；On the other hand make sealant layer that the side of light source board length direction can be completely covered The sealing effect of sealant layer is improved on side.

Preferably, it is described positioning edge and with positioning along adjacent and parallel mounting groove length direction installation groove groove wall it Between be equipped with caulking groove, the sealant layer be provided with filling caulking groove in abaculus.

By using above-mentioned technical proposal, sealant flows into caulking groove after pouring in mounting groove, adhesive curing shape to be sealed After sealant layer, sealing glue solidifying in caulking groove is abaculus, and then fixing seal glue-line, prevent sealant layer have in cooling and Contraction keeps light source board exposed.

Preferably, the installation notch are elongated, the mounting groove is on the both sides of its parallel length direction of notch Inside is provided with interior edge, the sealant layer is located at interior edge towards mounting groove slot bottom far from the one side height of mounting groove slot bottom And interior edge backwards to mounting groove slot bottom while between.

By using above-mentioned technical proposal, mounting groove is elongated, and there may be close at different location when sealant pours The different situation of sealing height, interior edge can be used as mark, to differentiate sealant layer height and position, be poured with changing sealant into peace The position of tankage avoids sealant from toppling over excessive cause outside portion sealant spilling mounting groove.

Preferably, the sealant layer includes sealing bottom, screed-coat and fills and leads up layer, the screed-coat is located at sealing Bottom is located at screed-coat direction prior to levelling formable layer, the layer of filling and leading up towards the side of mounting groove notch, the sealing bottom The side of mounting groove notch, the screed-coat is prior to filling and leading up formable layer.

By using above-mentioned technical proposal, the thickness of sealant layer one-step solidification is reduced, the shrinkage for reducing sealant layer becomes Reduction of the shape to sealing effect.

Preferably, the light source assembly further includes fixing bolt, the fixing bolt right angle setting slot slot bottom runs through Light source board is simultaneously threadedly coupled with mounting groove slot bottom, and the screed-coat covers fixing bolt towards the end of mounting groove notch.

By using above-mentioned technical proposal, light source board is fixed, while fixing bolt is protected, prevents from fixing Bolt receives steam infiltration and air oxidation, and fixing bolt is avoided to corrode.

Preferably, the lampshade includes to being attached to light source board towards the ring seat in installation notch one side, the ring seat Lateral surface to patch light source board one end is provided with bulge loop, and the bulge loop is in sealing bottom.

By using above-mentioned technical proposal, bulge loop in sealing bottom, lampshade receive pulling force outside mounting groove or When thrust, bulge loop reinforces the fixation of lampshade and sealant layer, prevents lampshade from deviating from.

In conclusion the utility model has the following beneficial effects:

Mounting groove notch direction and alignment plant, are distributed in entire more in the prior art when plant growth light source mould group uses The positive light source lamp group of plate of mating formation, this plant growth light source mould group are substituted with multiple light source units with several lamp beads, and light is saturating It crosses lampshade and is aimed downwardly plant, while sealant layer is covered on light source board towards in the one side of mounting groove notch, together with lampshade Sealing function is played, prevents steam and dust from directly contacting light source board and lamp bead, and then prevents light source assembly from soaking due to steam And it is short-circuit.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of plant growth light source mould group；

Fig. 2 is the structural schematic diagram of public access seat；

Fig. 3 is the structural schematic diagram of female joint chair；

Fig. 4 is the structural schematic diagram for embodying light source unit；

Fig. 5 is the cross-sectional view one of its vertical length direction of plant growth light source mould group；

Fig. 6 is the structural schematic diagram for embodying lamp bead；

Fig. 7 is the cross-sectional view two of its vertical length direction of plant growth light source mould group；

Fig. 8 is the partial enlarged view that Fig. 7 embodies sealant layer at A；

Fig. 9 is the structural schematic diagram of prior art plant growth light source mould group；

Figure 10 is the structural schematic diagram of plant growth light source mould group and load frame in the prior art.

Appended drawing reference: 1, shell；11, line chamber is installed；111, fillet；112, it perforates；12, mounting groove；121, threading hole； 122, edge is positioned；123, caulking groove；124, interior edge；13, carry wall；131, edge is hung；132, hanging groove；2, light source assembly；21, light source Plate；211, fixation hole；22, fixing bolt；23, light source unit；231, lamp bead；232, lampshade；2321, ring seat；2321-1, outer spiral shell Line；2321-2, reflecting surface；2321-3, bulge loop；2322, the cover；24, sealant layer；241, bottom is sealed；2411, abaculus； 242, screed-coat；243, layer is filled and led up；3, Switching Power Supply component；31, shell；32, electrical component；4, electrical component is connect；41, electricity is connect Seat；41a, public access seat；41b, female joint chair；411, electric slot is connect；4111, plug；4111a, male plug；4111b, female；412, Dock inserting column；4121, the first bearing surface；4122, the second bearing surface；413, bolt part；5, mat formation plate；6, light source lamp group；61, single Colored lights pearl；7, load frame；71, item is set up；72, installation position.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

As shown in Fig. 1, a kind of plant growth light source mould group, shell 1 including strip and connects electrical component 4.Connect electric group Part 4 includes two power connection seats 41, and two power connection seats 41 divide for public access seat 41a(referring to attached drawing 2) and mother joint chair 41b(referring to attached drawing 3), It is separately mounted to the both ends of shell 1.

As described in attached drawing 2, power connection seat 41 is provided with backwards to the side of shell 1 and connects electric slot 411.The shape for connecing electric slot 411 can Depending on according to the actual situation.The slot bottom for connecing electric slot 411 is vertical with the length direction of shell 1, and is vertically installed on its slot bottom slotting First 4111.

As shown in attached drawing 2 and attached drawing 3, in the area of plug 4111 thereon in place of the difference of public access seat 41a and female joint chair 41b Not, it is male plug 4111a that plug 4111 is wherein arranged on public access seat 41a, and setting plug 4111 is female on female joint chair 41b 4111b, male plug 4111a and female 4111b are matched and can be plugged.The shape of male plug 4111a and female 4111b can Depending on according to the actual situation, male plug 4111a and female 4111b is three hole in the prior art plug 4111 herein.

The notch outer for connecing electric slot 411 simultaneously is provided with docking inserting column 412, docking inserting column 412 number on each power connection seat 41 Amount is two, and is arranged in the outside diagonally opposing corner position for connecing electric slot 411.Docking inserting column 412 is additionally provided with the first bearing surface 4121 and the Two bearing surfaces, 4122 two sides are obliquely installed or are vertically arranged between the first bearing surface 4121 and the second bearing surface 4122, herein First bearing surface 4121 and the second bearing surface 4122 are perpendicular.

When two plant growth light source mould groups side by side when, can will be on public access seat 41a and another two plant growth light sources mould group Female joint chair 41b is directed at grafting, so that public access seat 41a is connected with female joint chair 41b in another two plant growth light sources mould group, simultaneously Docking inserting column 412 on one power connection seat 41 is inserted into the connecing in electric slot 411 of another power connection seat 41, docks the end of inserting column 412 and another The slot bottom for connecing electric slot 411 of one power connection seat 41 abuts, the first bearing surface 4121 and the second bearing surface 4122 with another power connection seat 41 cell wall for connecing electric slot 411 is affixed abutting, fixes the power connection seat 41 of two grafting, prevents two plant growth light source mould groups from occurring to hang down The rotation of straight plant growth light source mould group length direction and so that male plug 4111a and female 4111b is reversed damage.

As shown in Fig. 4, shell 1 is heat-conducting metal material die cast, is nearly rectangle.It is provided in shell 1 The installation line chamber 11 extended along its length, the rectangular in cross-section and quadrangle for installing its vertical length direction of line chamber 11 are set as Fillet 111.The both ends open of 11 length direction of line chamber is installed, while shell 1 is arranged in the outside of installation 11 corner location of line chamber There is perforation 112, perforation 112 parallel shells, 1 length direction runs through shell 1.One screw is inserted into perforation after running through power connection seat 41 112, then connect with 112 inside threads of perforation, and then power connection seat 41 is compressed into height at the both ends of shell 1, and then block sealing The both ends open of line chamber 11 is installed.

As shown in Fig. 5, shell 1 is wherein provided with mounting groove 12 on a lateral surface, and mounting groove 12 is along the length side of shell 1 To the both ends for being extended and penetrating through shell 1, blocked at perforation by power connection seat 41.It is parallel that the slot bottom of mounting groove 12 is provided with two The both ends for extending to mounting groove 12 along 12 length direction of mounting groove along 122 along 122, two positioning are positioned, and two positioning are along 122 difference Setting is affixed in two cell walls of 12 liang of 12 length directions of parallel mounting groove of mounting groove.12 slot bottom of mounting groove is additionally provided in parallel simultaneously Two caulking grooves 123 of 12 length direction of mounting groove, two caulking grooves 123 are located at two positioning along 122 outside.123 edge of caulking groove 12 length of mounting groove is penetrated through towards the both ends and its both ends for extending to mounting groove 12, and the bottom surface of caulking groove 123 is lower than positioning along 122 courts To the surface of 12 notch side of mounting groove.The notch of mounting groove 12 is on the inside of two edges of its 1 length direction of parallel shells simultaneously It is provided with interior along 124.

Shell 1 is provided with two carry walls 13 on the another side of parallel 12 place side of mounting groove, and two carry walls 13 are flat It the length direction of row shell 1 and is located on two edges of 1 length direction of side parallel shells.Two carry walls 13 it is opposite The a plurality of extension extended along 13 length direction of carry wall is set on face along 131, hang along 131 quantity can according to the actual situation depending on, This time the extension on each carry wall 13 is three along 131 quantity.When two carry walls 13 are placed vertically, on two carry walls 13 Extension is equal two-by-two along 131 vertical height, and the adjacent extension on same carry wall 13 forms hanging groove 132 between 131.

Plant growth light source mould group further includes light source assembly 2 and Switching Power Supply component 3.Switching Power Supply group in the utility model The electrical component 32 part 3 shell 31 including strip and be accommodated in shell 1.Shell 31 is through in installation line chamber 11, and its It places and supports and be attached in installation one side wall of the line chamber 11 far from mounting groove 12.

In conjunction with attached drawing 2 and attached drawing 3, Simultaneous Switching power supply module 3 passes through the electric wire and female being through in installation line chamber 11 4111b is coupled, and the female 4111b in a plant growth light source mould group also passes through the electric wire being through in installation line chamber 11 and male plug Head 4111a lotus root connects, and when female 4111b powers on, Switching Power Supply component 3 and male plug 4111a are powered, and Switching Power Supply Component 3 and male plug 4111a energized state are independent of each other.

As shown in figures 4 and 5, light source assembly 2 includes light source board 21 and fixing bolt 22.Light source board 21 is in strip Shape is accommodated in two positioning between 122, the two sides of 21 length direction of light source board respectively at two located adjacents, light source board 21 Patch is supported in the slot bottom of mounting groove 12 in bottom surface.Several threading holes 121 are provided on the bottom surface of mounting groove 12 simultaneously, threading hole 121 is connected to Line chamber 11 is installed, the electric wire for coupling Switching Power Supply component 3 and light source board 21 passes through.

Light source board 21 is towards being provided with several light source unit 23(referring to attached drawing 1 on 12 side of mounting groove), light source unit 23 quantity according to the actual situation depending on, along 21 equal spacing in length direction of light source board be distributed.

Light source unit 23 includes several lamp beads 231 and covers on the lampshade 232 outside lamp bead 231.The type of lamp bead 231 is different, For two or more in feux rouges, yellow light, blue light and white light, quantity also according to the actual situation depending on.Referring to attached drawing 6, this time 231 quantity of lamp bead is nine, and is three rows, three column lamp equidistantly distributed.

As shown in Fig. 5, lampshade 232 includes ring seat 2321 and transparent the cover 2322.2321 bottom surface of ring seat and light source board 21 upper surface is affixed.The lateral surface of ring seat 2321 is equipped with external screw thread 2321-1, the upper surface of ring seat 2321 and light source board 21 One end on the outside of be additionally provided with bulge loop 2321-3.The medial surface of ring seat 2321 is reflecting surface 2321-2, and reflecting surface 2321-2 is Curved surface in the shape of a trumpet, reflecting surface 2321-2 are expanded outwardly far from the side of 12 bottom surface of mounting groove.The cover 2322 is cylindrical Goblet, the cover 2322 tip upside down in ring seat 2321, and the inner peripheral surface of the cover 2322 connects in the lateral surface screw thread of bulge loop 2321-3 It connects.

Fixing bolt 22 extends vertically through light source board 21 and mounting groove 12 from light source board 21 towards the side of 12 notch of mounting groove Slot bottom, and the slot bottom of its side source mounting groove 12 is bolted.Hookup wire is inserted into one end that fixing bolt 22 passes through mounting groove 12 It in chamber 11, and is pressed on the shell 1 of Switching Power Supply component 3, one for being fixed on and installing line chamber 11 far from mounting groove 12 will be compressed On side wall.Due to that, with transformer and a large amount of resistive element etc., can generate heat after powered up in Switching Power Supply component 3, shell 1 It is made of heat-conducting metal, can accelerate to install heat dissipation in line chamber 11, simultaneously because light source board 21 shines after being powered can equally generate heat, therefore Switching Power Supply component 3 is fixed on installation one side of the line chamber 11 far from 12 slot bottom of mounting groove, two heat sources is spaced apart, avoids out Powered-down source component 3 and light source board 21 are affixed in the two sides of the same wall surface of shell 1, prevent Switching Power Supply component 3 and light source board 21 it Between heat concentrate and led to cause thermal damage.

As shown in Fig. 7, while mounting groove 12 is provided with sealant layer 24 on the upper surface of light source board 21.By sealant It is poured into shape behind 21 upper surface of light source board, is filled in mounting groove 12, by light source board 21 towards 12 notch side of mounting groove Exposed surface covering.

As shown in Fig. 8,24 self installation slot of sealant layer, 12 slot bottom is divided into sealing towards 12 notch direction of mounting groove Bottom 241, screed-coat 242 and fill and lead up layer 243.

Seal bottom 241 at the time of molding, sealant flows into caulking groove 123 after pouring in mounting groove 12, and glue to be sealed is solid After change forms sealant layer 24, sealing glue solidifying in caulking groove 123 is abaculus 2411, and then fixing seal glue-line 24, is prevented close Adhesive layer 24 has in cooling and shrinking keeps light source board 21 exposed.Bottom 241 is sealed towards the one side position of 12 notch of mounting groove simultaneously In bulge loop 2321-3 close to 12 mouthfuls of mounting groove of side, so that in bulge loop 2321-3 is wrapped in by sealing bottom 241.

The one side of screed-coat 242 towards 12 notch of mounting groove is located at fixing bolt 22(referring to attached drawing 5) close to mounting groove 12 The side of notch, by fixing bolt 22(referring to attached drawing 5) it is covered towards the end of 12 notch of mounting groove.Fill and lead up layer 243 be located at look for Leveling 242 towards 12 mouthfuls of mounting groove of side, fill and lead up layer 243 towards 12 mouthfuls of mounting groove of one side be located at it is interior along 124 towards installation 12 slot bottom of slot and it is interior along 124 backwards to 12 slot bottom of mounting groove while between, and fill and lead up layer 243 towards 12 mouthfuls of mounting groove On one side be lower than the cover 2322 upper surface so that 2322 upper surface of the cover expose, light source unit 23 can normal luminous, seal simultaneously Glue-line 24 provides the sealing of lampshade 232 and light source board 21, and provides the protection anti-oxidation to 21 waterproof of light source board.

The working principle of the present embodiment:

12 notch of mounting groove direction and alignment plant, are distributed in whole more in the prior art when plant growth light source mould group uses A positive light source lamp group 6 of plate 5 of mating formation, this plant growth light source mould group is with multiple light source units 23 with several lamp beads 231 Substitution, light is aimed downwardly plant through lampshade 232, while sealant layer 24 is covered on light source board 21 towards 12 notch of mounting groove On on one side, sealant layer 24 plays sealing function with lampshade 232 together, prevents steam and dust from directly contacting light source board 21 and lamp Pearl 231, and then prevent light source assembly 2 short-circuit due to steam wetting.

Above-mentioned specific embodiment is only the explanation to the utility model, is not limitations of the present invention, this Field technical staff can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, But as long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (8)

1. a kind of plant growth light source mould group, which is characterized in that including shell (1) and light source assembly (2)；The shell (1) one Mounting groove (12) are provided on side；The light source assembly (2) includes light source board (21), uniform intervals on the light source board (21) Several light source units (23) are distributed with；The light source unit (23) includes being fixed on light source board (21) towards mounting groove (12) mouth one The lampshade (232) of side and several lamp beads (231) being accommodated in lampshade (232)；The light source board (21) is placed on mounting groove (12) in slot bottom, the side of light source board (21) towards mounting groove (12) notch is provided with sealant in the mounting groove (12) Layer (24), the light source assembly (2) only have lampshade (232) and stretch out sealant layer (24) outside far from the one end of light source board (21).

2. a kind of plant growth light source mould group according to claim 1, which is characterized in that further include Switching Power Supply component (3)；Closed installation line chamber (11) is provided in the shell (1)；The Switching Power Supply component (3) is mounted on installation line chamber (11) in.

3. a kind of plant growth light source mould group according to claim 1, which is characterized in that the slot bottom of the mounting groove (12) Two parallel positioning are provided with along (122), the length direction of the two positioning edges (122) directional light source plate (21) and respectively to patch The two sides of light source board (21) length direction.

4. a kind of plant growth light source mould group according to claim 3, which is characterized in that the positioning along (122) and with Positioning is equipped with caulking groove (123) between mounting groove (12) cell wall of adjacent and parallel mounting groove (12) length direction along (122), described Sealant layer (24) is provided with the abaculus (2411) in filling caulking groove (123).

5. a kind of plant growth light source mould group according to claim 1, which is characterized in that mounting groove (12) mouth is in length Bar shaped, the mounting groove (12) are provided with interior edge (124), the sealant on the inside of two edges of its parallel length direction of notch Layer (24) far from mounting groove (12) slot bottom height be located at interior edge (124) towards mounting groove (12) slot bottom while and interior edge (124) between the one side of mounting groove (12) slot bottom.

6. a kind of plant growth light source mould group according to claim 1, which is characterized in that the sealant layer (24) includes It seals bottom (241), screed-coat (242) and fills and leads up layer (243), the screed-coat (242) is located at sealing bottom (241) towards peace The side of tankage (12) notch, the sealing bottom (241) prior to screed-coat (242) form, it is described fill and lead up layer (243) be located at look for Towards the side of mounting groove (12) notch, the screed-coat (242) forms leveling (242) prior to filling and leading up layer (243).

7. a kind of plant growth light source mould group according to claim 6, which is characterized in that be provided on the light source board (21) Fixation hole (211), the fixation hole (211) is interior to be installed in the fixing bolt (22) of mounting groove (12) slot bottom threaded connection, described Screed-coat (242) covers fixing bolt (22) towards the end of mounting groove (12) notch.

8. a kind of plant growth light source mould group according to claim 6, which is characterized in that the lampshade (232) includes supporting Light source board (21) is attached to towards the ring seat (2321) in mounting groove (12) mouth one side, the ring seat (2321) supports patch light source board (21) The lateral surface of one end is provided with bulge loop (2321-3), and the bulge loop (2321-3) is in sealing bottom (241).