CN217132282U - Light guide sheet structure of dry type light guide water meter - Google Patents
Light guide sheet structure of dry type light guide water meter Download PDFInfo
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- CN217132282U CN217132282U CN202220910145.5U CN202220910145U CN217132282U CN 217132282 U CN217132282 U CN 217132282U CN 202220910145 U CN202220910145 U CN 202220910145U CN 217132282 U CN217132282 U CN 217132282U
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Abstract
The utility model discloses a light guide plate structure of dry-type light guide water gauge, including first light guide assembly, first light guide assembly includes the first optical guide of multiunit and connects the head rod of adjacent first optical guide, first optical guide includes first light guide pillar, first input portion and first output are connected in the both ends of first light guide pillar, first input portion sets up the lower extreme at the head rod, first output portion sets up the upper end at the head rod, be connected with first strengthening rib between the adjacent first light guide pillar, first strengthening rib sets up between first output portion and head rod, first output portion sets up on same circular arc, connect adjacent first optical guide through first connecting rod and first strengthening rib, make the joint strength of first light guide assembly higher, and more firm.
Description
Technical Field
The utility model relates to a flow measurement's technical field, in particular to dry-type light guide water gauge's light guide plate structure.
Background
At present, a plurality of wheel bodies for displaying flow values are often arranged on flow measuring devices such as water meters, light holes for light to pass through are arranged on the wheel bodies, a light source emitting part and a light source receiving part are respectively arranged on two sides of the wheel bodies, when the wheel bodies rotate until the light source emitting part is aligned with the light holes, the light source receiving part can receive light emitted by the light source emitting part, a processor connected with the light source receiving part can receive pulse signals output by the light source emitting part and carry out internal recording and operation, the processor transmits the signals obtained by the operation to a flow monitoring client in a wired or wireless mode, the flow values can be increased by a specified value through one circle of wheel body rotation, in order to accurately grasp the current flow values, a plurality of independent light source emitting parts are often arranged on the light source emitting part, meanwhile, light source receiving parts which are equal in number to the light source emitting parts and correspond to the light source emitting parts are also required to be arranged on the light source receiving part, in the above chinese patent publication No. CN206460602U, a plurality of sets of photo-emitter tubes and a plurality of sets of photo-receiver tubes are respectively mounted on the photo-emitter circuit board and the photo-receiver circuit board.
However, since the number of the photo-electric transmitting tubes and the photo-electric receiving tubes is large, the cost is high and the assembly is inconvenient, and in order to solve the technical problem, a technical person has designed an optical fiber transmission coding counting device, such as chinese patent (application publication No. CN 112525281A), which discloses an optical fiber output assembly, which includes a first light transmitting portion, a first light receiving portion and a first light output portion, wherein the first light output portion and the first light receiving portion are both connected to the first light transmitting portion, the first light receiving portion corresponds to the light source output element, and the first light output portion corresponds to the second light receiving portion and the opening.
Five optical fiber output assemblies are arranged between two adjacent wheel bodies and are connected only through a reinforcing rib, so that the connection strength between the adjacent optical fiber output assemblies is low, and meanwhile, the first light transmission parts of the partial optical fiber output assemblies are obliquely arranged, so that the manufacturing difficulty of the optical fiber output assemblies is greatly improved, and the corresponding manufacturing cost is also greatly increased.
Disclosure of Invention
The utility model aims at providing a light guide plate structure of dry-type light guide water gauge connects adjacent first light guide through first connecting rod and first strengthening rib for the joint strength of first light guide subassembly is higher, and more firm, connects adjacent second light guide through second connecting rod and second strengthening rib, makes the joint strength of second light guide subassembly higher, and more firm.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a light guide plate structure of dry-type light guide water gauge, includes first light guide assembly, and first light guide assembly includes the first optical guide of multiunit and connects the head rod of adjacent first optical guide, and first optical guide includes first light guide pillar, first input portion and first output are connected in the both ends of first light guide pillar, and first input portion sets up the lower extreme at the head rod, and first output sets up the upper end at the head rod, is connected with first strengthening rib between the adjacent first light guide pillar, first strengthening rib sets up between first output and head rod, first output sets up on same circular arc.
Furthermore, two ends of the first output part symmetrically extend out of the first light guide pillars, a notch groove is formed in the position, corresponding to the middle of the first output part, of the first light guide pillars, first reflecting surfaces are formed at two ends of the notch groove, and light rays passing through the first light guide pillars change light paths through the first reflecting surfaces to enter the first output part.
Furthermore, two ends of the first connecting rod transversely extend out of the first light guide pillars on the outer side, two ends of the first connecting rod are provided with vertically arranged first connecting pillars, and the inner ends of the first connecting pillars are connected to the adjacent first light guide pillars.
Further, the first light guide pillar is vertically arranged, and the first light guide pillar is gradually decreased from two sides to the middle.
Further, the first light guide assembly includes five sets of first light guides, and a distance between an outer first light guide and a corresponding adjacent first light guide is smaller than a distance between an intermediate first light guide and a first adjacent light guide.
Further, the light guide sheet structure further comprises a second light guide assembly, the second light guide assembly comprises a second light guide correspondingly arranged with the first light guide and a second connecting rod connected with the adjacent second light guide, the second light guide comprises a second light guide pillar, a second input part and a second output part, the second input part and the second output part are connected to two ends of the second light guide pillar, the second input part is arranged at the lower end of the second connecting rod, the second output part is arranged at the upper end of the second connecting rod, a second reinforcing rib is connected between the adjacent second light guide pillars, the second reinforcing rib is arranged between the second input part and the second connecting rod, the second input part protrudes towards one side adjacent to the first output part, and the second input part corresponds to the first output part one by one.
Furthermore, one side of the second light guide pillar, which is far away from the first output part, is provided with an inclined plane groove, and light rays passing through the second input part change a light path through a second reflecting surface of the inclined plane groove so as to be emitted into the second light guide pillar.
Furthermore, two ends of the second connecting rod transversely extend out of the second light guide pillars on the outer side, two ends of the second connecting rod are provided with vertically arranged second connecting columns, and the inner ends of the second connecting columns are connected to the adjacent second light guide pillars.
Further, the second light guide pillar is vertically arranged, and the second light guide pillar gradually decreases from two sides to the middle.
To sum up, the utility model discloses following beneficial effect has:
connect adjacent first light guide through first connecting rod and first strengthening rib, connect adjacent second light guide through second connecting rod and second strengthening rib, make joint strength of first light guide subassembly and the joint strength of second light guide subassembly higher, and more firm, first light guide pillar and the equal vertical setting of second light guide pillar, for the slope setting in application publication No. CN112525281A, it is also lower to make the degree of difficulty lower corresponding manufacturing cost, through set up first spliced pole at the both ends of first connecting rod, the mounting groove cooperation of pegging graft of the installation frame of utilizing first spliced pole and dry-type light guide water gauge is in order to carry out rapid Assembly to this first light guide subassembly, the mounting groove cooperation of pegging graft in the installation frame of utilizing second spliced pole and dry-type light guide water gauge is in order to carry out rapid Assembly to this second light guide subassembly with the same reason.
Drawings
Fig. 1 is a schematic structural diagram of the print wheel, the first light guide assembly and the second light guide assembly of the present invention.
Fig. 2 is a schematic structural view of the print wheel of the present invention.
Fig. 3 is a schematic view of the overall structure of the present invention.
In the figure: 1. a first light guide assembly; 11. a first light guide; 111. a first light guide pillar; 112. a first input section; 113. a first output section; 114. a first reflective surface; 12. a first connecting rod; 13. a first reinforcing rib; 14. a first connecting column; 2. a second light guide assembly; 21. a second light guide; 211. a second light guide pillar; 212. a second input section; 213. a second output section; 214. a second reflective surface; 22. a second connecting rod; 23. a second reinforcing rib; 24. a second connecting column.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 to 3, a light guide plate structure of a dry type light guide water meter includes a first light guide assembly 1 and a second light guide assembly 2, the first light guide assembly 1 and the second light guide assembly 2 are made of a material through which light can pass, and the specific material includes, but is not limited to, PMMA material, wherein the first light guide assembly 1 includes a plurality of sets of first light guides 11 and first connection rods 12 connecting adjacent first light guides 11, the first light guides 11 include first light guide pillars 111, first input portions 112 and first output portions 113, the first input portions 112 and the first output portions 113 are connected to both ends of the first light guide pillars 111, the first input portions 112 are disposed at lower ends of the first connection rods 12, the first output portions 113 are disposed at upper ends of the first connection rods 12, first reinforcing ribs 13 are connected between adjacent first light guide pillars 111, the first reinforcing ribs 13 are disposed between the first output portions 113 and the first connection rods 12, the first output portions 113 are disposed on the same arc corresponding to the arc formed by the plurality of light-transmitting holes on the character wheel, and the adjacent first light guides 11 are connected by the first connecting rods 12 and the first reinforcing ribs 13, so that the first light guide assembly 1 has stronger connection strength.
First light guide pillar 111 is stretched out to the both ends symmetry of first output portion 113, and first light guide pillar 111 has seted up the breach groove corresponding to the position in the middle of first output portion 113, the both ends in breach groove are formed with first plane of reflection 114, and the light through first light guide pillar 111 changes the light path through first plane of reflection 114 in order to kick into first output portion 113, the utility model discloses in, the contained angle between two first planes of reflection 114 is 90-180, preferably 135.
The two ends of the first connecting rod 12 transversely extend out of the first light guide pillars 111 on the outer side, the vertical position of the first light assembly 1 is limited by the matching of the two ends of the first connecting rod 12 and the installation frame of the dry type light guide water meter, the two ends of the first connecting rod 12 are provided with the first connecting columns 14 which are vertically arranged, the inner ends of the first connecting columns 14 are connected to the adjacent first light guide pillars 111, the first connecting columns 14 can enhance the connection strength of the first light guide assembly 1 on one hand, and on the other hand, the first connecting columns 14 are in plugging fit with the installation grooves of the installation frame of the dry type light guide water meter to rapidly assemble the first light guide assembly 1.
The first light guide assembly 1 comprises five groups of first light guides 11, the distance between the outer first light guide 11 and the corresponding adjacent first light guide 11 is smaller than the distance between the middle first light guide 11 and the first adjacent light guide, the first light guide pillars 111 are vertically arranged, the first light guide pillars 111 are gradually decreased from two sides to the middle, and compared with the inclined arrangement in application publication No. CN112525281A, the manufacturing difficulty is lower, and correspondingly, the manufacturing cost is also lower
The second light guide assembly 2 includes a second light guide 21 disposed corresponding to the first light guide 11 and a second connection bar 22 connecting adjacent second light guides 21, the second light guide 21 includes a second light guide pillar 211, a second input portion 212 and a second output portion 213, the second input part 212 and the second output part 213 are connected to both ends of the second light guide pillar 211, the second input part 212 is disposed at the lower end of the second connecting rod 22, the second output part 213 is disposed at the upper end of the second connecting rod 22, the second reinforcing rib 23 is connected between the adjacent second light guide pillars 211, the second reinforcing bead 23 is disposed between the second input portion 212 and the second connecting rod 22, the second input portions 212 protrude toward a side adjacent to the first output portions 113 and the second input portions 212 correspond to the first output portions 113 one by one, the adjacent second light guides 21 are connected by the second connecting bars 22 and the second reinforcing ribs 23, so that the second light guide assembly 2 is higher in connection strength and more firm.
The inclined plane groove has been seted up to one side that second light guide pillar 211 kept away from first output portion 113, and the light through second input portion 212 changes the light path through the second plane of reflection 214 in inclined plane groove in order to kick into second light guide pillar 211, the utility model discloses in, the contained angle between two second planes of reflection 214 is 0-180, preferred 90.
The both ends of second connecting rod 22 transversely stretch out in the second light guide pillar 211 in the outside, and the both ends of this second connecting rod 22 are equipped with the second spliced pole 24 of vertical setting, the inner of second spliced pole 24 is connected in adjacent second light guide pillar 211, utilizes the mounting groove grafting cooperation in second spliced pole 24 and the installation frame of dry-type light guide water gauge to carry out rapid Assembly to this second light guide subassembly 2.
The second light guide pillar 211 is vertically arranged, and the second light guide pillar 211 gradually decreases from two sides to the middle, so that the manufacturing difficulty is lower and correspondingly the manufacturing cost is lower compared with the inclined arrangement in application publication No. CN 112525281A.
The circuit board of the dry type light guide water meter is provided with a light source output end corresponding to the first input part 112 and a light source input end corresponding to the second output part 213, the dry type light guide water meter is also provided with a plurality of character wheels, a plurality of light holes are arranged on the character wheels, and the working principle of the first light guide component 1 and the second light guide component 2 is as follows: the light emitted from the light source output end is transmitted to the first input portion 112, the first light guide portion and the first output portion 113 in sequence, when the character wheel rotates until the light hole is aligned with the first output portion 113, the light is transmitted from the first output portion 113 to the second input portion 212, and is transmitted to the second light guide portion and the second output portion 213 in sequence, and finally the light is transmitted from the second output portion 213 to the light source input end.
The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.
Claims (9)
1. A light guide sheet structure of a dry type light guide water meter is characterized in that: the light guide structure comprises a first light guide assembly (1), wherein the first light guide assembly (1) comprises a plurality of groups of first light guides (11) and a first connecting rod (12) connected with the adjacent first light guides (11), each first light guide (11) comprises a first light guide pillar (111), a first input part (112) and a first output part (113), the first input part (112) and the first output part (113) are connected to two ends of the corresponding first light guide pillar (111), the first input part (112) is arranged at the lower end of the corresponding first connecting rod (12), the first output part (113) is arranged at the upper end of the corresponding first connecting rod (12), a first reinforcing rib (13) is connected between the adjacent first light guide pillars (111), the corresponding first reinforcing ribs (13) are arranged between the first output parts (113) and the corresponding first connecting rods (12), and the corresponding first output parts (113) are arranged on the same circular arc.
2. A light guide plate structure of a dry type light guide water meter as set forth in claim 1, wherein: the two ends of the first output part (113) symmetrically extend out of the first light guide pillars (111), the first light guide pillars (111) are provided with notch grooves corresponding to the middle of the first output part (113), the two ends of each notch groove are provided with first reflecting surfaces (114), and light passing through the first light guide pillars (111) changes the light path through the first reflecting surfaces (114) to enter the first output part (113).
3. A light guide plate structure of a dry type light guide water meter as set forth in claim 1, wherein: the two ends of the first connecting rod (12) transversely extend out of the first light guide pillars (111) on the outer side, the two ends of the first connecting rod (12) are provided with first connecting pillars (14) which are vertically arranged, and the inner ends of the first connecting pillars (14) are connected to the adjacent first light guide pillars (111).
4. A light guide plate structure of a dry type light guide water meter as set forth in claim 1, wherein: the first light guide pillar (111) is vertically arranged, and the first light guide pillar (111) decreases progressively from two sides to the middle.
5. A light guide plate structure of a dry type light guide water meter as set forth in claim 1, wherein: the first light guide assembly (1) comprises five sets of first light guides (11), the distance between an outer first light guide (11) and a corresponding adjacent first light guide (11) being smaller than the distance between an intermediate first light guide (11) and a first adjacent light guide.
6. A light guide plate structure of a dry type light guide water meter according to any one of claims 1 to 5, wherein: the light guide sheet structure further comprises a second light guide assembly (2), the second light guide assembly (2) comprises a second light guide (21) corresponding to the first light guide (11) and a second connecting rod (22) connecting the adjacent second light guide (21), the second light guide (21) comprises a second light guide pillar (211), a second input part (212) and a second output part (213), the second input part (212) and the second output part (213) are connected to two ends of the second light guide pillar (211), the second input part (212) is arranged at the lower end of the second connecting rod (22), the second output part (213) is arranged at the upper end of the second connecting rod (22), a second reinforcing rib (23) is connected between the adjacent second light guide pillars (211), the second reinforcing rib (23) is arranged between the second input part (212) and the second connecting rod (22), the second input part (212) protrudes towards one side adjacent to the first output part (113), and the second input part (212) and the first output part (212) and the second output part (213) and the first output part (213) are connected to the second output part (22) (113) And correspond to each other.
7. A light guide plate structure for a dry-type light-guide water meter as set forth in claim 6, wherein: the side of the second light guide pillar (211) far away from the first output part (113) is provided with an inclined groove, and the light passing through the second input part (212) changes the light path through a second reflecting surface (214) of the inclined groove to enter the second light guide pillar (211).
8. A light guide plate structure for a dry-type light-guide water meter as set forth in claim 6, wherein: the two ends of the second connecting rod (22) transversely extend out of the second light guide pillars (211) on the outer side, the two ends of the second connecting rod (22) are provided with second connecting columns (24) which are vertically arranged, and the inner ends of the second connecting columns (24) are connected to the adjacent second light guide pillars (211).
9. A light guide plate structure for a dry-type light-guide water meter as set forth in claim 6, wherein: the second light guide pillar (211) is vertically arranged, and the second light guide pillar (211) is gradually decreased from two sides to the middle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220910145.5U CN217132282U (en) | 2022-04-20 | 2022-04-20 | Light guide sheet structure of dry type light guide water meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220910145.5U CN217132282U (en) | 2022-04-20 | 2022-04-20 | Light guide sheet structure of dry type light guide water meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217132282U true CN217132282U (en) | 2022-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220910145.5U Active CN217132282U (en) | 2022-04-20 | 2022-04-20 | Light guide sheet structure of dry type light guide water meter |
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| Country | Link |
|---|---|
| CN (1) | CN217132282U (en) |
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- 2022-04-20 CN CN202220910145.5U patent/CN217132282U/en active Active
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