CN212158717U - Intelligent gas meter structure with leading-out wheel for infrared correlation sampling - Google Patents
Intelligent gas meter structure with leading-out wheel for infrared correlation sampling Download PDFInfo
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- CN212158717U CN212158717U CN202021302989.9U CN202021302989U CN212158717U CN 212158717 U CN212158717 U CN 212158717U CN 202021302989 U CN202021302989 U CN 202021302989U CN 212158717 U CN212158717 U CN 212158717U
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Abstract
The utility model relates to an intelligent gas meter structure of taking leading-out wheel to carry out infrared correlation sampling. The counter is characterized in that the base meter bottom plate is integrally arranged on the lower housing to form an integral structure, the lower housing is fixed on the base meter, the front housing is matched and connected with the lower housing, and the counter component is matched and arranged on the lower housing; the counter assembly is connected with a sampling leading-out wheel in a matching way, a black sheet is arranged on the sampling leading-out wheel, and the transmission ratio of the sampling leading-out wheel to a counter final position character wheel of the counter assembly is a fixed ratio; the lower encloser is provided with a main control circuit board, the main control circuit board is provided with an infrared correlation device, and the position of the infrared correlation device is matched with that of the black sheet. The utility model reduces the use of materials such as the Hall circuit board, the Hall bracket for fixing the Hall circuit board, the connecting flat cable and the like, and saves the use of sealing gasket materials; the use of a base surface bottom plate is cancelled, so that the aims of improving the production efficiency, reducing the production links and saving the production cost are fulfilled.
Description
Technical Field
The utility model relates to an intelligent gas meter structure of taking leading-out wheel to carry out infrared correlation sampling.
Background
At present, in the intelligent gas meter in the prior art, the sampling mode is basically the hall effect principle. The universal design is to reform on a common base meter mechanical counter, to paste magnetic steel on a counter character wheel, and then to assemble a Hall circuit board 22 near the character wheel, so as to realize Hall pulse sampling of the magnetic steel on the character wheel by a Hall device. Usually, a hall bracket 21 for fixing the hall circuit board 22 and a connection cable 23 with the main control circuit board are additionally required. In summary, the final purpose of the above-mentioned modification process and the materials used is to be able to convert the gear movement of the mechanical counter of the base meter into a pulse signal output by human intervention, but the various processes and materials used are relatively complicated, which increases the costs of production, maintenance and management.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims to provide a take leading-out wheel to carry out the technical scheme of infrared correlation sampling's intelligent gas table structure.
The intelligent gas meter structure with the extraction wheel for infrared correlation sampling comprises a base meter, a base meter bottom plate, a lower housing and a front housing, and is characterized in that the base meter bottom plate is integrated on the lower housing to form an integrated structure, the lower housing is fixed on the base meter, the front housing is connected with the lower housing in a matching way, and a counter assembly is arranged on the lower housing in a matching way; the counter assembly is connected with a sampling leading-out wheel in a matching way, a black sheet is arranged on the sampling leading-out wheel, the black sheet and the white surface of the sampling leading-out wheel form a black and white surface, and the transmission ratio of the sampling leading-out wheel to the last character wheel of the counter assembly is a fixed ratio; the lower encloser is provided with a main control circuit board, the main control circuit board is provided with an infrared correlation device, and the position of the infrared correlation device is matched with that of the black sheet.
The intelligent gas meter structure with the extraction wheel for infrared correlation sampling is characterized in that the counter assembly comprises a transition gear, a precision gear, a duplicate gear, a transmission gear and a sampling extraction wheel, wherein the transition gear sequentially drives the precision gear, the duplicate gear and the transmission gear to rotate, the transmission gear drives a last character wheel of the counter to rotate, and the duplicate gear also drives the sampling extraction wheel to rotate; the counter is fixed on a left counter cylinder and a right counter cylinder through self-tapping screws, the transition gear is arranged on the transition gear cylinder, the precision gear is arranged on the precision gear cylinder, the dual gear is arranged on the dual gear cylinder, the transmission gear is arranged on the transmission gear cylinder, the sampling leading-out wheel is arranged on the sampling leading-out wheel cylinder, and the left counter cylinder, the right counter cylinder, the transition gear cylinder, the precision gear cylinder, the dual gear cylinder, the transmission gear cylinder and the sampling leading-out wheel cylinder are all arranged on the lower housing.
The intelligent gas meter structure is characterized in that an antenna clamping groove, an antenna supporting rib and an antenna clamping hook are arranged on the lower housing, and the antenna clamping groove, the antenna supporting rib and the antenna clamping hook are matched with a limiting PCB antenna.
The intelligent gas meter structure is characterized in that the lower housing is provided with a left clamping hook, a right clamping hook and a positioning support column, and the left clamping hook, the right clamping hook and the positioning support column are matched with a limiting main control circuit board.
The intelligent gas meter structure is characterized in that a left supporting rib and a right supporting rib are arranged on the lower housing, and the left supporting rib and the right supporting rib are matched with a limiting battery box.
The intelligent gas meter structure with the leading-out wheel for infrared correlation sampling is characterized in that a clamping seat groove is formed in the lower housing, and an IC (integrated circuit) clamping seat is arranged in the clamping seat groove in a limiting mode.
The intelligent gas meter structure is characterized in that a fixing column A, a fixing column B and a fixing column C are arranged on the lower housing, the front housing is arranged on the fixing column A, the fixing column B and the fixing column C through self-tapping screws, and anti-dismounting covers are arranged outside the self-tapping screws.
The intelligent gas meter structure with the leading-out wheel for infrared correlation sampling is characterized in that a sealing groove is formed in the connecting side of the lower housing and the base meter, and a sealing gasket is arranged in the sealing groove.
The intelligent gas meter structure with the extraction wheel for infrared correlation sampling is characterized in that a transparent window and a battery cover are arranged on the front housing, and a clamping hook A and a clamping hook B for limiting a label are arranged on the periphery of the inner side of the transparent window; the battery cover is provided with a limiting rib, and the limiting rib is used for crimping a battery in the battery box; the front cover shell is provided with a pressing plate surface A and a pressing plate surface B, the pressing plate surface A is used for crimping the IC card seat, and the pressing plate surface B is used for crimping the battery box.
The intelligent gas meter structure with the extraction wheel for infrared correlation sampling is characterized in that a valve patch cord interface, an alkali battery box power interface, a clock lithium battery power interface and an IC card seat interface are arranged on the main control circuit board.
The utility model greatly improves the production link in the prior art, simplifies the production steps, reduces the use of materials such as Hall circuit boards, Hall supports for fixing the Hall circuit boards, connecting flat cables and the like, and saves the use of sealing gasket materials; the use of a base surface bottom plate is cancelled, so that the aims of improving the production efficiency, reducing the production links and saving the production cost are fulfilled.
The utility model discloses possess following beneficial effect:
1) compared with the existing production mode, the utility model has the advantages that the gear mounting position and the bolt fixing hole containing the sampling leading-out wheel are designed on the lower housing, the use of the base plate is cancelled, the lower housing is not required to be fixed through switching, the production steps are simplified, and the material cost is saved;
2) the sealing ring at the rear part of the middle lower housing of the utility model directly borrows the sealing ring at the rear part of the base meter bottom plate when being used as a common mechanical base meter, compared with the sealing ring of the lower housing in the existing production mode, the sealing ring has the characteristics of thinness, smallness, lightness, convenient installation, no need of adhesion and the like, simplifies the production process and saves the material cost;
3) the utility model has the advantages that the sampling drawing wheel in the structure is provided with the black sheet, the black sheet and the white surface of the sampling drawing wheel form a black and white surface, and the black and white surface and the infrared correlation device on the main control circuit board carry out infrared correlation signal switching, thereby realizing pulse sampling; compared with the existing production mode, the utility model cancels the connection and wiring among the Hall bracket, the Hall circuit and the main control circuit, the counter does not need to be transformed and pasted with magnetic steel, thereby saving the related materials of wire harness connection and multiple sampling, simplifying the production process and saving the material cost;
4) in the housing structure of the utility model, materials such as the label, the PCB antenna, the master control circuit board, the clock lithium battery, the IC card seat and the battery box are fixed, and the structural design such as the hook, the crimping limit and the like is used, so that the screw connection fixation using screws is replaced, the great convenience is brought to the production, and the production efficiency is further optimized and improved;
5) the lower housing structure of the utility model comprises all key functional parts and materials of the intelligent gas meter controller such as a counter, a mechanical transmission gear, a sampling leading-out wheel, a main control circuit board, an IC card seat, a battery box and a PCB antenna after the installation, can directly carry out function debugging on the lower housing part, can be directly installed on a base meter after the debugging is completed, and the housing part finishes the debugging and assembly of the whole meter before the closing; compared with the existing mode, the condition that various debugging links need the matching of other parts and materials which are not arranged on the same housing is optimized, the production process is simplified, and great agile convenience is brought to production.
Drawings
FIG. 1 is a schematic structural diagram of a gas meter;
FIG. 2 is a schematic view of the front cover;
FIG. 3 is a first schematic structural view of the lower casing;
FIG. 4 is a second schematic structural view of the lower casing;
FIG. 5 is a third schematic structural view of the lower casing;
FIG. 6 is a fourth schematic structural view of the lower shell;
FIG. 7 is a fifth schematic structural view of the lower shell;
FIG. 8 is a first schematic diagram of a main control circuit board;
FIG. 9 is a second schematic diagram of the main control circuit board;
FIG. 10 is a third schematic view of a main control circuit board;
FIG. 11 is an exploded view of a gas meter;
FIG. 12 is a schematic structural view of a split lower housing and a base plate of a conventional gas meter;
FIG. 13 is a schematic diagram of a Hall bracket and Hall circuit board of a prior art counter assembly;
FIG. 14 is a schematic view of a magnetic steel mounted on a print wheel of a conventional counter;
in the figure: 1-front cover shell, 1-1 press plate surface A, 1-2 press plate surface B, 2-transparent window, 2-1 hook A, 2-2 hook B, 3-battery cover, 3-1 limit rib, 4-base table, 5-lower cover shell, 5-1 transition gear cylinder, 5-2 precision gear cylinder, 5-3 duplex gear cylinder, 5-4 drive gear cylinder, 5-5 sampling leading-out gear cylinder, 5-6 left counter cylinder, 5-7 right counter cylinder, 5-8 left hook, 5-9 right hook, 5-10 positioning support column, 5-11 lithium battery hook, 5-12 seat groove, 5-13 left support rib, 5-14 right support rib, 5-15 reserved interface position, 5-16 fixed column A, 5-17 fixed column B, 5-18 fixed column C, 5-19 sealing groove, 5-20 antenna clamping groove, 5-21 antenna support rib, 5-22 antenna hook, 6-transition gear, 7-precision gear, 8-duplicate gear, 9-transmission gear, 10-sampling leading-out wheel, 11-black sheet, 11-1 magnetic steel, 12-counter, 13-nut, 14-self-tapping screw, 15-main control circuit board, 16-clock lithium battery, 17-IC card seat, 18-battery box, 19-sealing gasket, 20-label, 21-Hall bracket, 22-Hall circuit board, 23-connecting flat cable, 24-infrared correlation device, 25-PCB antenna, 26-logo sealing cover, 27-anti-dismantling cover, 28-base meter bottom plate, 29-valve patch cord interface, 30-alkaline battery box power interface, 31-clock lithium battery power interface, 32-IC card seat interface.
Detailed Description
The invention will be further explained with reference to the drawings in the following description:
the utility model discloses an intelligent gas meter structure, which comprises a base meter 4, a base meter bottom plate 28, a lower cover shell 5 and a front cover shell 1, wherein the base meter bottom plate is integrated on the lower cover shell to form an integrated structure, the lower cover shell is fixed on the base meter, the front cover shell is matched and connected with the lower cover shell, and a counter component is matched and arranged on the lower cover shell; the counter assembly is connected with a sampling leading-out wheel 10 in a matching way, a black sheet 11 is arranged on the sampling leading-out wheel, the black sheet and the white surface of the sampling leading-out wheel form a black and white surface, and the transmission ratio of the sampling leading-out wheel to the last character wheel of the counter assembly is a fixed ratio; the main control circuit board 15 is arranged on the lower cover shell, the infrared correlation device 24 is arranged on the main control circuit board, and the position of the infrared correlation device is matched with that of the black sheet, so that the transmission of Hall signals is realized.
The counter assembly comprises a transition gear, a precision gear, a duplicate gear, a transmission gear and a sampling leading-out wheel, wherein the transition gear sequentially drives the precision gear, the duplicate gear and the transmission gear to rotate, the transmission gear drives a last digit wheel of the counter to rotate, and the duplicate gear also drives the sampling leading-out wheel to rotate; the counter is fixed on a left counter cylinder and a right counter cylinder through self-tapping screws, the transition gear is arranged on the transition gear cylinder, the precision gear is arranged on the precision gear cylinder, the dual gear is arranged on the dual gear cylinder, the transmission gear is arranged on the transmission gear cylinder, the sampling leading-out wheel is arranged on the sampling leading-out wheel cylinder, and the left counter cylinder, the right counter cylinder, the transition gear cylinder, the precision gear cylinder, the dual gear cylinder, the transmission gear cylinder and the sampling leading-out wheel cylinder are all arranged on the lower housing.
Specifically, the utility model discloses a take sampling to draw forth wheel and be used for intelligent gas table project organization of hall sampling, including the lower housing 5 of brand-new design, the mounting means carries out the substitution with the bottom plate of base table. The lower housing structurally designs cylindrical gear cylinder columns with different heights: the device comprises a transition gear cylinder 5-1 (assembled with a transition gear 6), a precision gear cylinder 5-2 (assembled with a precision gear 7), a dual gear cylinder 5-3 (assembled with a dual gear 8), a transmission gear cylinder 5-4 (assembled with a transmission gear 9), a sampling leading-out wheel cylinder 5-5 (assembled with a sampling leading-out wheel 10, wherein a black sheet 11 is pre-assembled and fixed on a black and white surface of the upper shape of the white sampling leading-out wheel 10), a left counter cylinder 5-6 and a right counter cylinder 5-7 (used for assembling a counter 12), all the gears meet the mechanical transmission of a gas base meter after being assembled, and the transmission ratio of the sampling leading-out wheel 10 to a final character wheel of the counter 12 keeps a fixed ratio (2: 1); the two left clamping hooks 5-8, the right clamping hooks 5-9 and the positioning support columns 5-10 on the lower cover shell jointly act to fixedly support the main control circuit board 15; the lower housing is provided with a lithium battery clamping hook 5-11 and a limit rib structure on the edge which jointly act to fix a clock lithium battery 16; the lower cover shell is provided with a card seat groove 5-12 for fixing an IC card seat 17; the lower housing is provided with a left support rib 5-13, a right support rib 5-14 and an upper limit rib structure which jointly act to support, limit and fix a 18-battery box; the lower housing is provided with reserved interface positions 5-14 for reserving a leakage alarm interface, a die with the structure is provided with a sliding block, and the structure of the sliding block die is changed and adjusted according to the alarm interface customized by a user; three fixed column fixed columns A5-16, fixed column B5-17 and fixed column C5-18 designed on the lower encloser are used for fixing the front encloser 1; the PCB antenna 25 is fixed by the clamping hooks under the combined action of the antenna clamping slots 5-20, the antenna support ribs 5-21 and the antenna clamping hooks 5-22 designed on the lower housing; the back of the lower encloser is designed with seal grooves 5-19, and the seal grooves are structurally the same as the base meter bottom plate, and are provided with seal gaskets 19 which are used by the base meter bottom plate. The master control circuit board is provided with a valve patch cord interface, an alkali battery box power interface, a clock lithium battery power interface and an IC card seat interface, and is convenient for connection with each module.
The front cover shell and the parts assembled on the front cover shell are not provided with any wiring harness, the transparent window is sealed by secondary injection molding on the front cover shell through a mold, and the transparent window is provided with a hook A2-1 and a hook B2-2 to fix the label 20; the press plate surface A1-1 and the press plate surface B1-2 on the front cover shell are used for crimping the IC card holder and the battery box; the limiting rib 3-1 designed on the battery cover is used for crimping the battery in the battery box to prevent the battery from falling out and being powered off.
In the Hall sampling of the intelligent gas meter in the existing production mode, a counter needs to be modified, and magnetic steel 11-1 is pasted on a second last digit character wheel (0.1 square sampling measurement) or a first last digit character wheel (0.01 square sampling measurement). Usually, a hall bracket 21 is additionally arranged on the counter so as to fix the hall circuit board 22 with the magnetic steel hall effect through screw connection, and the hall circuit board and the main control circuit board are also required to be connected through a connecting flat cable 23. The counter in the utility model is a common base meter counter, and does not need to be modified and pasted with magnetic steel, and the Hall bracket, the Hall circuit board and the connecting flat cable are cancelled; the back of the main control circuit board is integrally provided with an infrared correlation device 24, and the infrared correlation device and a black sheet (black and white surface) on the sampling leading-out wheel are subjected to infrared correlation receiving and transmitting signal switching so as to carry out pulse sampling; the counter, the main control circuit board, the IC card seat, the battery box and the antenna are fixedly assembled without screws, and all functions of the intelligent gas meter controller can be completed in the lower housing assembly; and the lower housing component with the functions of production, debugging and inspection is screwed on the base meter through the nut 13, the front housing is closed, the self-tapping screw 14 is installed for screw connection and fixation, and finally the logo sealing cover 26 and the anti-dismounting cover 27 are installed, so that the whole machine can finish assembly.
Claims (10)
1. An intelligent gas meter structure with a leading-out wheel for infrared correlation sampling comprises a base meter, a base meter bottom plate, a lower housing and a front housing, and is characterized in that the base meter bottom plate is integrally arranged on the lower housing to form an integrated structure, the lower housing is fixed on the base meter, the front housing is connected with the lower housing in a matching way, and a counter assembly is arranged on the lower housing in a matching way; the counter assembly is connected with a sampling leading-out wheel in a matching way, a black sheet is arranged on the sampling leading-out wheel, the black sheet and the white surface of the sampling leading-out wheel form a black and white surface, and the transmission ratio of the sampling leading-out wheel to the last character wheel of the counter assembly is a fixed ratio; the lower encloser is provided with a main control circuit board, the main control circuit board is provided with an infrared correlation device, and the position of the infrared correlation device is matched with that of the black sheet.
2. The intelligent gas meter structure with the extraction wheel for infrared correlation sampling according to claim 1, wherein the counter assembly comprises a transition gear, a precision gear, a duplicate gear, a transmission gear and a sampling extraction wheel, the transition gear sequentially drives the precision gear, the duplicate gear and the transmission gear to rotate, the transmission gear drives a last character wheel of the counter to rotate, and the duplicate gear further drives the sampling extraction wheel to rotate; the counter is fixed on a left counter cylinder and a right counter cylinder through self-tapping screws, the transition gear is arranged on the transition gear cylinder, the precision gear is arranged on the precision gear cylinder, the dual gear is arranged on the dual gear cylinder, the transmission gear is arranged on the transmission gear cylinder, the sampling leading-out wheel is arranged on the sampling leading-out wheel cylinder, and the left counter cylinder, the right counter cylinder, the transition gear cylinder, the precision gear cylinder, the dual gear cylinder, the transmission gear cylinder and the sampling leading-out wheel cylinder are all arranged on the lower housing.
3. The intelligent gas meter structure with the extraction wheel for infrared correlation sampling according to claim 1, wherein the lower housing is provided with an antenna clamping groove, an antenna supporting rib and an antenna hook, and the antenna clamping groove, the antenna supporting rib and the antenna hook are matched with a limiting PCB antenna.
4. The intelligent gas meter structure with the extraction wheel for infrared correlation sampling according to claim 1, wherein the lower housing is provided with a left hook, a right hook and a positioning support column, and the left hook, the right hook and the positioning support column are matched with a position-limiting main control circuit board.
5. The intelligent gas meter structure with the leading-out wheel for infrared correlation sampling according to claim 1, wherein the lower housing is provided with a left supporting rib and a right supporting rib, and the left supporting rib and the right supporting rib are matched with a limiting battery box.
6. The intelligent gas meter structure with the extraction wheel for infrared correlation sampling according to claim 1, wherein the lower housing is provided with a holder groove, and an IC (integrated circuit) holder is arranged in the holder groove in a limiting manner.
7. The intelligent gas meter structure with the extraction wheel for infrared correlation sampling according to claim 1, wherein the lower housing is provided with a fixing column a, a fixing column B and a fixing column C, the front housing is provided with a self-tapping screw on the fixing column a, the fixing column B and the fixing column C, and an anti-detaching cover is arranged outside the self-tapping screw.
8. The intelligent gas meter structure with the extraction wheel for infrared correlation sampling according to claim 1, wherein a sealing groove is formed in the connecting side of the lower housing and the base meter, and a sealing gasket is arranged in the sealing groove.
9. The intelligent gas meter structure with the drawing wheel for infrared correlation sampling according to claim 1, wherein a transparent window and a battery cover are arranged on the front housing, and a clamping hook A and a clamping hook B for limiting the label are arranged on the periphery of the inner side of the transparent window; the battery cover is provided with a limiting rib, and the limiting rib is used for crimping a battery in the battery box; the front cover shell is provided with a pressing plate surface A and a pressing plate surface B, the pressing plate surface A is used for crimping the IC card seat, and the pressing plate surface B is used for crimping the battery box.
10. The intelligent gas meter structure with the drawing wheel for infrared correlation sampling according to claim 4, wherein the main control circuit board is provided with a valve patch cord interface, an alkali battery box power interface, a clock lithium battery power interface and an IC card seat interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021302989.9U CN212158717U (en) | 2020-07-06 | 2020-07-06 | Intelligent gas meter structure with leading-out wheel for infrared correlation sampling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021302989.9U CN212158717U (en) | 2020-07-06 | 2020-07-06 | Intelligent gas meter structure with leading-out wheel for infrared correlation sampling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212158717U true CN212158717U (en) | 2020-12-15 |
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ID=73699804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021302989.9U Active CN212158717U (en) | 2020-07-06 | 2020-07-06 | Intelligent gas meter structure with leading-out wheel for infrared correlation sampling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212158717U (en) |
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2020
- 2020-07-06 CN CN202021302989.9U patent/CN212158717U/en active Active
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