CN101038195B - Electromechanical integrated gas meter anti-disassembling device - Google Patents

Abstract

The present invention provides a mechatronics type device for preventing the disassembly of the gas meter. The device includes a lock box, a lock pole which is connected with the lock box and a lock hat which is connected with the lock pole and the lock hat is inserted in the locknut of the inlet and outlet pipe; an integrated circuit chip is provided in the lock box; an IC card reader, and at least one of a USB interface or a needle shaped faucet are provided on the lock box. Or the lock box is inserted in the locknut of the inlet and outlet pipe directly, and an electric magnet or an electric moter that is connected with the integrated circuit chip is provided in the lock box. Said lock hat can be O shaped or U shaped. The mechatronics type device is suitable for every kind of gas meter whether the meter has been used or has just been produced, and the circuit is destroyed leaving the when the lock pole is illegally detached or the lock box gas is stolen, at the same time, the lock box is small and the space is took good advantage of and the production and installation are simple and the cost is low.

Description

Electromechanical integrated gas meter anti-disassembling device

Technical field

The present invention relates to a kind of gas meter anti-disassembling device, particularly a kind of have certain physical strength, prevents illegal dismounting, can stay the anti-disassembling device of electronic evidence to illegal dismounting.

Background technology

Along with combustion gas being extensive use of of family, the blast accident that brought of dismounting gas meter, flow meter and to steal pneumatolytic be one of emphasis of civil gas management department daily management mission privately.Particularly along with the improving constantly of gas energy price, gas enterprise effectively reduces cost, and the primary measure that reduces the supply and marketing difference is to prevent that illegal demolition diaphragm gas meter from stealing gas.Gas meter, flow meter prevents that illegal dismantling technology from mostly being the installation lead sealing at the import and export pipe locknut place of gas meter, flow meter at present, perhaps use disposable gas meter, flow meter to import and export the unidirectional non-return device of pipe locknut, the lead sealing form is very backward, and untied by seamless easily, be difficult to evidence obtaining to assert when whether illegally untiing, the unidirectional non-return device of disposable locknut is dismantled difficulty when gas meter, flow meter normally keeps in repair.Also restored with substitute by illegal dismounting back easily simultaneously, the more important thing is that above-mentioned several method can not stay electronic evidence, the electronics metering automatic locking of showing in the time of can not making illegal demolition diaphragm gas meter ends.

Summary of the invention

In order to overcome defective of the prior art, the invention provides a kind of illegal demolition diaphragm gas meter that prevents, and when illegal demolition diaphragm gas meter, can stay the electromechanical integrated gas meter anti-disassembling device of electronic evidence.

To achieve these goals, technical scheme of the present invention is achieved in that a kind of electromechanical integrated gas meter anti-disassembling device, comprises lock box, locking bar and lock nut, and described lock nut is connected with locking bar, and described locking bar is connected with lock box; Be provided with integrated circuit (IC) chip in the described lock box; Lock box is provided with at least one in IC card reader, USB interface or the Pin, and lock nut is sleeved on gas meter, flow meter and imports and exports on the locknut of pipe.

Electromagnet or motor are set in the described lock box, and the integrated circuit (IC) chip in electromagnet or motor and the lock box is connected, being connected between electromagnet or Electric Machine Control lock box and the locking bar.

Described lock nut annular sidewall and locking bar are hollow body, are installed with electric wire in hollow body, and the integrated circuit (IC) chip in electric wire and the lock box is connected.

Described locking bar is connected on the shell body of lock box, be connected with on the outside surface of lock box of locking bar a hole is set, locking bar is provided with identical hole with this corresponding position, hole, in the hole of lock box and locking bar, wear the peg that a head of a nail is exposed to the lock box outside, the position of corresponding aperture is provided with a sleeve in the lock box, described sleeve wall is provided with a hole, in the lock box and the corresponding position, hole on this sleeve wall is provided with the dead bolt of a level, electromagnet or motor in the lock box are relative away from an end in the hole on this sleeve wall with dead bolt, the nail post of peg is positioned at sleeve, and the bottom of nail post is provided with the ring lock glossal canal.

Described lock box is managed on the corresponding sidewall with import and export and is had and the corresponding breach of locking bar, and locking bar is inserted into lock box inside by breach; The locking bar that is set on two lock nuts importing and exporting on the pipe locknut is docking together; Described lock box bottom surface is a movable lid, at least two profiled holes and a plain bore are set on the upper surface of described lid, installing sleeve on the position of corresponding plain bore in the lock box, the sleeve nozzle is concordant with lock box mouth end face, one steel push rod is housed in the sleeve, spring is housed on the sleeve lateral wall, and electromagnet or motor in the lock box are relative away from an end of plain bore with push rod, are equipped with the downward peg of the head of a nail in the described profiled holes.

Described profiled holes is one and hole to be set at the edge in a hole connect, but on width less than the bar v notch v of bore dia, the bar v notch v is consistent with bore dia at certain depth place width.

Described lock box is managed on the corresponding sidewall with import and export and is had and the corresponding breach of locking bar, and locking bar is inserted into lock box inside by breach, and the locking bar that is set on two lock nuts importing and exporting on the pipe locknut links together; Sleeve perpendicular to the lock box lower surface is set in the described lock box, one hole is set on the sleeve wall, with the corresponding section, hole one dead bolt is set, electromagnet or motor in the lock box are relative away from an end in hole with dead bolt, and dead bolt is flexible in the hole under the control of electromagnet or motor; The bottom surface of described lock box is a movable lid, and the position that described active box covers corresponding sleeve is provided with metal column, and the metal column end is provided with the ring lock glossal canal, and when metal column inserted sleeve, dead bolt blocked the ring lock glossal canal of metal column.

Described lock box is spliced by former and later two half box bodys, two of each half box body respectively have a breach on the end face of importing and exporting pipe, involutory before and after two and half box bodys, two breach synthesize one and the corresponding to breach of locking bar shape, and locking bar is located in the breach of two and half box bodys formation; Be provided with in described preceding half box body two vertical and protrude from the metal column of box mouth end face, along the circumferential direction be provided with the ring lock glossal canal on the metal column, the position of the preceding half box body metal column of later half box body correspondence is provided with sleeve, sleeve-port is concordant with the box mouth end face of later half box body, described sleeve wall is provided with a hole, the dead bolt of one level is set with this corresponding position, hole in the lock box, and electromagnet or motor in the lock box are relative away from an end in hole with dead bolt.

As preferably, described lock nut is the O type, described O type lock nut is made up of annulus sidewall and last capping, the internal diameter of annulus sidewall and locknut external diameter adapt, the described cover center of going up has a circular hole that adapts with the import and export external diameter of pipe of importing and exporting on the pipe, the corresponding end with lock box of described O type lock nut connects locking bar, the tabular body that described locking bar extends to form for the tabular body that forms along capping horizontal-extending on the lock nut or along the lock nut sidewall or for being arranged on the right cylinder on the lock nut sidewall; The curved edge of described lock nut annular side wall lower ends face inboard is provided with a L type and protrudes.

As preferably, described lock nut is the U type, described U-shape lock cap by semi-circular segments, be placed on the last capping on the semi-circular segments and the straight-line segment that extends naturally along the semi-circular segments two ends is formed, the described cover center of going up has a circular hole that adapts with the import and export external diameter of pipe, the internal diameter of semi-circular segments is gone up the locknut external diameter with the import and export pipe and is adapted, and the U type two side of described U-shape lock cap extends into two locking bars; The curved edge of described lock nut annular side wall lower ends face inboard is provided with a L type and protrudes.

Described U-shape lock cap by in separated two half U types splicing form.

Described lock box is two, is connected with the locknut of lock nut with induction pipe and outlet by locking bar respectively.

Described lock box, lock nut and locking bar are made by metal or plastics.

Technical scheme of the present invention also can realize like this, a kind of electromechanical integrated gas meter anti-disassembling device, import and export at gas meter, flow meter on the locknut of pipe lock box is set, lock box is made up of two semicircle box bodys, and the round internal diameter that two semicircle box bodys surround manages upward that the external diameter of locknut adapts with importing and exporting;

Two semicircle box bodys all have the last capping and the following capping of semicircle, and described capping down all is provided with two first metal columns perpendicular to following capping towards a side of semicircle box body, and the free end of described first metal column has the ring lock glossal canal along circumference; On the position of described two corresponding first metal columns of semicircle box body first sleeve is set respectively, one first hole is set on described first sleeve wall, with corresponding section, first hole one first dead bolt is set, near the end of first dead bolt away from first hole one first magnet is set, first dead bolt is flexible in first hole under the control of first magnet, following capping and semicircle box body are to when splicing, and described first metal column inserts in first sleeve, and described first dead bolt blocks the ring lock glossal canal on first metal column;

Respectively have vertical on two square interfaces of one of them semicircle box body and another semicircle box body and protrude second metal column of this face, the described second metal column end all is provided with the ring lock glossal canal; The position of corresponding second metal column has one second hole respectively on two square interfaces of another semicircle box body, in described second hole second sleeve is housed all, have one the 3rd hole on described second sleeve wall, with corresponding section, the 3rd hole one second dead bolt is set, near the end of second dead bolt away from the 3rd hole one second magnet is set, second dead bolt is flexible in the 3rd hole under the control of second magnet, when the opposite face of two semicircle box bodys docks, described second metal column inserts in second sleeve, described second dead bolt blocks the ring lock glossal canal on second metal column, in the described semicircle lock box integrated circuit (IC) chip is housed.Described lock box is two, is set on the locknut of induction pipe and outlet.

Described lock box is made by metal or plastics.

The anti-theft gaseous of the present invention in being applied to gas meter, flow meter, also can be installed on the water meter, prevent the stolen water behavior.

Compared with prior art, beneficial effect of the present invention is:

1, the present invention is applicable to various gas meter, flow meters, no matter is with table or new production table, and it is little that lock box takies volume, utilized proportional space, makes simple installation, with low cost.

2, the present invention links together the locknut of the import and export pipe of lock box and gas meter, flow meter, is equipped with electric wire in locking bar and the lock box, when dismounting locking bar or lock box robber gas, will destroy circuit, stays electronic evidence.

Description of drawings

Fig. 1 is the embodiment of the invention one structural representation.

Fig. 2 is a lock box structural representation in the embodiment of the invention one.

Fig. 3 is O type lock nut and cylindrical locking bar syndeton synoptic diagram.

Fig. 4 is O type lock nut and tabular locking bar syndeton synoptic diagram.

Fig. 5 is that embodiment one installs preceding lock nut of lock box and locking bar syndeton synoptic diagram.

Fig. 6 is the embodiment of the invention two structural representations.

Fig. 7 is sleeve and dead bolt syndeton synoptic diagram.

Fig. 8 is embodiment three structural representations.

Fig. 9 is the embodiment of the invention four structural representations.

Figure 10 is the rear view of Fig. 9.

Figure 11 installs back one-piece construction synoptic diagram for Fig. 9.

Figure 12 is the embodiment of the invention five structural representations.

Figure 13 is half lock box body decomposition texture synoptic diagram among Figure 12.

Figure 14 is a gas meter structural representation before the embodiment of the invention six is installed.

Figure 15 is that the embodiment of the invention six is installed back one-piece construction synoptic diagram.

Figure 16 is the embodiment of the invention six lock box decomposition texture synoptic diagram.

Figure 17 is sleeve and dead bolt syndeton synoptic diagram.

Figure 18 is the syndeton synoptic diagram of lock box inner sleeve of the present invention and metal column.

Figure 19 is the embodiment of the invention seven one-piece construction synoptic diagram.

Figure 20 is the embodiment of the invention seven part-structure synoptic diagram.

Figure 21 is the part-structure synoptic diagram that the embodiment of the invention seven adopts motor.

Figure 22 is the embodiment of the invention eight structural representations.

Figure 23 is that the embodiment of the invention eight adopts the electric machine structure synoptic diagram.

Figure 24 is lock box and peripherals johning knot composition.

Figure 25 is Crypto Control Unit circuit theory diagrams in the integrated circuit (IC) chip.

Embodiment

Below in conjunction with the drawings and specific embodiments the present invention is described in further detail, but not as a limitation of the invention.

Embodiment one:

As shown in Figures 1 to 4, one lock box 1 is set between the import and export pipe of gas meter, flow meter, respectively have on two of lock box 1 import and export pipe towards gas meter, flow meter the end face one with lock nut 2 on locking bar 3 shapes, the breach 17 that size adapts, described lock nut 2 outer image bottle caps, form one by annulus sidewall and last capping, the interior diameter of annulus sidewall is that rigidity is continuous greater than locknut 10 overall diameters and sidewall suitably, last cover center has a circular hole, the diameter in hole is suitably greater than the diameter of import or outlet, the curved edge of annulus side wall lower ends face inboard has on the length less than 1/2nd girths, the L type that is equal in width to the locknut wall thickness protrudes, the position of L type protrusion on curved edge is always in two that the import and export pipe positive outsides, when two O type lock nuts 2 move down into terminal point along importing and exporting pipe, when moving to terminal point in opposite directions again behind the encirclement locknut 10, because the L type protrudes the lower edge of catching on locknut 10, O shape lock nut 2 can not move up and down, be provided with a locking bar 3 on the O type lock nut 2 outside the right opposite annulus sidewall of L shaped protrusion, the shape of cross section of locking bar 3 is square or circular, and it is adaptive with the breach 17 of lock box 1 both ends of the surface, among the figure locking bar 3 be shaped as tabular, locking bar 3 is provided with a hole 9 away from an end of lock nut 2, for two locking bars, 3 usefulness web members 20 are connected, when locking bar 3 is circle, locking bar 3 is provided with screw thread away from an end of lock nut 2, effect is can of web member 20 or Luo silk two locking bars 3 be made easily to be rigidly connected when 3 butt joints of two O type locking bars, the annulus sidewall of lock nut 2 and locking bar 3 are hollow body, electric wire is installed therein, when sawed-off lock nut 2 of external force and locking bar 3, electric wire also can be by sawed-off, thereby integrated circuit in the triggering box body, stay electronic evidence, simultaneously have hole 9 on locking bar 3 bar walls, the two ends of electric wire can be drawn from the hole and be imported in the lock box 1.

As Fig. 2, shown in Figure 5, described lock box 1 is an inverted box, lid 11 is below lock box 1, described lid 11 left and right sides length are slightly less than the spacing of importing and exporting after pipe locknut 10 is installed, back length is slightly larger than installs locknut 10 edges, back, the front is connected with counting scale upper surface, gas meter, flow meter front, lid 11 height are a little less than importing and exporting pipe locknut 10 lower edges, upper surface at lid 11, be provided with at least two profile holes 12 and a plain bore 13, profile hole 12 is that one and hole perforation are arranged at the edge in a hole, but on width, be slightly less than the strip breach 21 of bore dia, strip breach 21 width behind certain depth becomes consistent with bore dia, below the strip breach 21 of two profiled holes 12, electric contact is housed respectively, electric contact is connected electric wire with gas meter, flow meter counting scale IC-card card reader chip, the breach direction of profiled holes 12 is pointed to right-hand in the present embodiment, be used for installing the peg 5 of at least 2 vertical and protruding cassette outlet lower surfaces, be electric insulation between peg 5 and the lock box 1, the upper end of peg 5 is as connection terminal, peg 5 cap shapes partly are electric contacts, peg 5 cap shape section diameters are slightly less than the hole and greater than strip breach 21, when above-mentioned peg 5 patchhole and after breach moves vertically downward, nail can not be extracted from the hole, lock box 1 also will be on lid 11 can not be more up and down fore-and-aft direction move, in order to gain in strength, profile hole 12 and peg 5 respectively can be increased to four, as shown in Figure 2, installing sleeve 15 on the position of corresponding plain bore 13 in lock box 1, sleeve 15 nozzles are concordant with lock box mouth end face, one steel push rod 22 is housed in the sleeve 15, spring 14 is housed on the sleeve lateral wall, push rod 22 is provided with electromagnet 16 away from the end top of plain bore 13, during installation, when lock box 1 is shifted to the right to terminal point, push rod 22 in the lock box stretches out owing to acting in the top stem casing of spring, and protrude from lock box 1 lower surface, when overall package, being close to parts after the peg 5 insertion profiled holes 12 on the lock box 1 moves right, when lock box 1 moves to terminal point, push rod 22 heads in the plain bore 13 on the lid 11 just, and lock box 1 can not move to any direction.When electromagnet 16 actions, steel push rod 22 is by electromagnet 16 adhesives, push rod 22 moves upward, withdraw from plain bore 13, lock box 1 again can move left and right, the control of electromagnet 16 has dual mode, a kind of is power supply and control signal are all utilized the IC-card table by electric wire metering power supply and card reading system, at this time peg 5 connection terminals play the conducting electrical signals effect, second kind is that lock box 1 is separately with power supply and card reader, when adopting the second way, an IC-card card reader 24 and an outlet 23 are housed on the box body, perhaps by external computers such as USB interface 25 or pin type jacks, in connect integrated circuit (IC) chip 27 and electromagnet 16 in the lock box 1, realize outside box, controlling the action of push rod, when in utilizing former table counting scale, blocking power supply and IC-card card reader, for saving cost, do not adopt an other cover power supply and an IC-card card reader on the lock box 1, utilize IC-card power supply and IC-card card reader in the former table counting box, electric wire or mobile lock box 1 in cutting off locking bar, make peg 5 on the lock box 1 when 12 kinds of profiled holes withdraw, the capital produces switching signal, and be recorded in the interior integrated circuit (IC) chip of former table counting scale, thereby stay electronic evidence, in the lock box 1 USB interface 25 and an outlet 23 must be set at least also simultaneously, perhaps a pin type jack and an outlet 23, be used for independent integrated circuit (IC) chip 27 in the connecting box, purpose be prevent lock box 1 to the electric wire between the counting scale by short circuit.

As shown in Figure 3, Figure 4, be the syndeton synoptic diagram of O type lock nut and locking bar, described locking bar 3 is for the tabular body that extends to form along lock nut 2 sidewalls or for being arranged on the right cylinder on the lock nut sidewall.

Installment work principle: when gas meter, flow meter is installed, in advance two O type lock nuts 2 are inserted in respectively and import and export pipe, at this moment O shape lock nut 2 has the degree of freedom that reaches rotation up and down, can not influence the installation of table, after the table installation with about two locking bars 3 make of web member 20 and screw and are rigidly connected in the back relatively, two O shape lock nuts 2 can not move to any direction, lock box 1 is moved from top to bottom, and make locking bar 3 and peg 5 insert breach 17 on the lock box 1 and the profiled holes 12 on the lid 11 respectively, making lock box 1 be adjacent to lid 11 again moves right, when lock box 1 moves to terminal point, push rod 22 in the lock box 1 heads in the plain bore 13, and at this moment lock box 1 and lock nut locking bar are locked, can not move to any direction, therefore, when not picking up push rod 22, can't open electromagnet 16 lock box 1 and untie connecting screw.

Embodiment two:

As Fig. 6, shown in Figure 7, described lock box is an inverted box, described lock nut 602 is the O type, form tabular locking bar 603 along capping horizontal-extending on the lock nut 602, described two locking bars 603 are connected on the outside surface of lock box 601, be connected with on the outside surface of lock box 601 of locking bar 603 hole is set, two locking bars 603 are provided with identical respectively hole 606 with this corresponding position, hole, when two locking bar butt joints, the hole 606 of two locking bars is overlapping, and it is overlapping with the hole on the lock box 601, in the hole of lock box 601 and locking bar 603, wear the peg 607 that a head of a nail is exposed to lock box 601 outsides, the position of corresponding aperture is provided with a sleeve 608 in the lock box 601, described sleeve wall is provided with a hole 609, and the dead bolt 610 of a level is set with these 609 corresponding positions, hole in the lock box 601, and dead bolt 610 is provided with an electromagnet 611 away from an end in hole 609, the nail post of peg 607 is positioned at sleeve 608, and the bottom of nail post is provided with ring lock glossal canal 612.When peg 607 inserted sleeve 608, in the hole on peg 607 nail posts one end insertion lock boxes and the locking bar, dead bolt 610 blocked the ring lock glossal canals 612 on the peg 607 ingeniously well, and peg 607 can not move, and locking bar 603 and lock box 601 are linked together.Compare with embodiment one, described lock box 601 has been cancelled the breach on the two side, and the structure at all the other positions is identical with embodiment one.

Installment work principle: when gas meter, flow meter is installed, in advance two O shape lock nuts 602 are inserted in respectively and import and export pipe, at this time O shape lock nut 602 has the degree of freedom that reaches rotation up and down, can not influence the installation of table, after table has been adorned, lock box 601 is moved right, when moving to terminal point, lock box 601 upper ejector pins head in the plain bore on the lid, locked between lock box 601 and the lid, again that left and right sides locking bar 603 is relatively also overlapping, then peg 604 is passed in the hole 605 on the Kong Houzai insertion lock box on the locking bar of the left and right sides, when peg 604 was pinned by the dead bolt on the sleeve 608 610, locking bar 603 was locked on lock box 601 outside surfaces.

Present embodiment has utilized power supply and IC-card card reader in the former table counting scale, electric wire or mobile lock box 601 in cutting off locking bar 603, make on lock box 601 lids peg 604 when from profile hole, withdrawing, will produce switching signal, and be recorded in the interior integrated circuit (IC) chip of former table counting box, thereby stay electronic evidence.Be installed with electric wire owing in the locking bar 603 in this example, so tabular locking bar is made hollow body.For convenience the electric wire in the locking bar 603 is incorporated in the box body, about all leave the hole on the downward end face appropriate location of two tabular locking bars, also leave through wires hole on the position of lock box 601 upper surface corresponding apertures simultaneously.When in utilizing former table counting scale, blocking power supply and IC-card card reader, for saving cost, can not adopt an other cover power supply and an IC-card card reader on the lock box 601, but a USB interface 613 and an outlet 614 must be set at least also in the box, perhaps a pin type jack and an outlet 614, be used for independent integrated circuit (IC) chip in the connecting box, purpose be prevent lock box to the electric wire between the counting scale by short circuit.A USB interface 613 and an outlet 614 have for convenience only drawn in the present embodiment accompanying drawing.

Embodiment three:

As shown in Figure 8, when gas meter, flow meter is using, can adopt U-shaped lock nut 802 when being inconvenient to install O shape lock nut, described U-shaped lock nut 802 comprises that the natural straight-line segment of semi-circular segments and two forms continuous sidewall of rigidity and the last capping 804 on the semi-circular segments upper surface, the semicircle sidewall diameter of U-shaped lock nut 802 is suitably greater than the locknut diameter, last capping 804 centers have a diameter to equal the circular hole of induction pipe or outlet diameter, circular hole is connected mutually with straight-line segment capping with diameter width, the inboard, lower surface of semicircle sidewall still has with the same L shaped protrusion of O shape lock nut among the embodiment one, the tram that the L type protrudes in the present embodiment is always below the orthogonal projection of semi-circular segments, locking bar 803 is two sheet shape bodies of rod that extend naturally on two point of contacts of semicircle sidewall, its xsect is a rectangle, each body of rod end is provided with a hole 815, when 803 butt joints of two locking bars, can four locking bars 803 be made in twos and be rigidly connected of web member 805 and Luo silk 806, two of lock box 801 respectively have two square breach 807 on the end face of gas meter, flow meter import and export pipe, breach 807 adapts with locking bar, the locking bar 803 of U-shaped lock nut 802 can insert in the breach 807 just, sleeve perpendicular to the lock box lower surface is set in the described lock box 801, one hole is set on the sleeve wall, with the corresponding section, hole one dead bolt is set, near the end of dead bolt away from the hole magnet is set, dead bolt under magnet and spring action in the hole of sleeve flexible (structure and the structure among Fig. 7 of sleeve and dead bolt are identical); Described lock box 801 bottom surfaces are a movable lid 810, on the position of lid 810 corresponding sleeves 808 metal column 813 is set, metal column 813 ends are provided with ring lock glossal canal 814, and when metal column 813 inserted sleeve 808, dead bolt 811 blocked the ring lock glossal canal 814 of metal column 813.The end of dead bolt 811 outside sleeve 808 is subjected to the effect of an electromagnet, and when electromagnet was switched on, dead bolt 811 can be from withdrawal in the sleeve 808, and metal column 813 withdraws from sleeve 808, and lid 810 just can be opened.

Installment work principle: after the gas meter, flow meter installation, earlier lid 810 is put into position placed in the middle, gas meter, flow meter upper surface, again two U-shaped lock nuts 802 are inserted relatively from the table two ends respectively, and with four locking bars 803 respectively two dual-purpose screws 806 do and be rigidly connected, then lock box 801 is moved down from locking bar 803 tops, four U-shape lock bars 803 insert respectively in 801 two of lock boxes import and export four breach 807 on the pipe end face towards gas meter, flow meter, again lid 810 is moved up, make in the metal column 813 insertion sleeves 808 on the lid and and pin by dead bolt 811, at this moment lock box becomes one, lock nut 802 and locking bar 803 are locked, in the present embodiment, cancelled being rigidly connected between lock box 801 and watchcase, utilizing the lock nut locking bar that lock box is fixed on separately imports and exports on the pipe fitting, therefore adopt and on lock box 801, adorn power interface 817 of an IC-card card reader, or USB interface and outlet 817, or pin jack 816 and outlet 817, from box body external application computer control electromagnet or motor, in the present embodiment, two cover electromagnet are housed in the lock box 801, since from lock box 801 to there not being electric wire to connect the former table counting box, so cancelled the electric wire in the U-shape sword iron, so U-shape sword iron is made solid.The signal of only having drawn a pin type jack 816 and an outlet 817 in this routine accompanying drawing for convenience.

Embodiment four:

As Fig. 9 and shown in Figure 10, when gas meter, flow meter is imported and exported the connection of pipe employing ring flange, U-shaped lock nut 902 is that semi-circular segments and two natural straight-line segments are formed the sidewall that rigidity is continuous, add the 904 composition lock nuts of capping up and down of making one with sidewall, capping 904 has a diameter to equal the semicircle orifice of import or export pipe diameter up and down, semicircle orifice is connected mutually with straight-line segment capping with diameter width, the U-shaped lock nut just can insert and cover most of flange nut from a side of pipe like this, import and export pipe respectively with a lock box 901, each lock box 901 on the end face of import or export pipe, two rectangle breach 905 are arranged, the shape of breach 905 and size are identical with locking bar 903 xsects, one side towards lock box on each lid 906 has a metal column 907 perpendicular to lid, metal column 907 ends along the circumferential direction are provided with a ring lock glossal canal 908, when covering lid 906, a sleeve is equipped with in the position of corresponding metal column 907 in the lock box 901, sleeve-port is concordant with lock box mouth end face, a hole is arranged on the sleeve wall, from then on a dead bolt stretches into (structure such as Fig. 7) in the Kong Zhongxiang sleeve under spring action, when metal column 907 inserted sleeve, dead bolt can block the ring lock glossal canal 908 on the metal column 907 just.Present embodiment is primarily aimed at large-scale gas meter, flow meter, so lock box 901, the volume of lock nut 902 and locking bar 903 can be bigger, as shown in figure 17, when needing, the other end of dead bolt 909 can replace electromagnet with motor 910 and rack-and-pinion 911 speed change systems, when above-mentioned speed change system moves, dead bolt 909 can withdraw from from the hole, each lock box 901 outside surface all is equipped with an outlet 912 and IC card reader 913, perhaps use USB, pin type jack waits control lock tongue 909 actions outside lock box 901, in the present embodiment import and export pipe of gas meter, flow meter be positioned at gas meter, flow meter about two sides, import and export end face top, pipe place so lock box 901 is positioned at,, no longer be described in detail here because being rigidly connected between locking bar and the lock box all is the conventional method that adopts screw and nut.As shown in figure 11, import and export Guan Zaibiao about on two end faces, after lock box 901 and the installation of lock nut locking bar, lock box 901 can be around importing and exporting the pipe rotation, therefore, also can be considered as lock box and can be positioned at before and after the gas meter, flow meter, about and above each top, outer face, and near the top, be meant near the top outside the gas meter, flow meter all directions frontal projected area near.Since from lock box 901 to there not being electric wire to connect the former table counting box, so cancelled the electric wire in the U-shape sword iron 903, therefore U-shape sword iron 903 is made solid, and an IC-card card reader 913 and an outlet 912 have for convenience only drawn in the present embodiment accompanying drawing.

The installment work principle:

After the installation of gas meter, flow meter flange, the U-shaped lock nut is inserted ring flange and continues and will be one with preventing that dismounting screw and lock box are unified into then in lock box 901 in the breach 905 of locking bar 903 insertion lock boxes 901, then lid 906 is covered, when metal column 907 is pinned by sleeve internal lock tongue, lid 906 can't be opened, and therefore also can't separate the screw on unlocking rod 903 and the lock box 901.

Embodiment five:

As Figure 12 and shown in Figure 13, this example replaces locknut to describe with ring flange, lock box 501 is made up of the box body of former and later two semicircles, two semicircle lock boxes of forming 501 surround ring flange 502 from front and back, each semicircle box body all has the capping up and down of semicircle, when two semicircle box body tandem dockings, the circular diameter that two lock box 501 inwalls are fenced up is suitably greater than the diameter of import or outlet ring flange 502, the circular diameter that is fenced up during upper and lower covers face butt joint simultaneously is suitably greater than import or export pipe diameter, and less than ring flange 502 diameters, the loam cake and the lower cover of two semicircle box bodys have all extended a part from box side wall to the center of circle, last capping 503 is made one with two sidewall bodies of place semicircle box body, following capping 510 is independently, capping 510 is established two first vertical metal columns 504 towards a side of box body under each, first metal column, 504 upper edge girths have a ring lock glossal canal 505, when capping 510 covers instantly, on the position of corresponding first metal column 504 two first sleeves are arranged in the lock box 501, one first hole is arranged on first sleeve wall, one first dead bolt stretches out in first sleeve from first hole under first magnet and spring action, when first metal column 504 inserts first sleeve, first dead bolt can block the ring lock glossal canal 505 (structure is identical with Fig. 7 structure) on first metal column 504 just, when two semicircle box body butt joints, before respectively have on two square interfaces of box body one vertical and protrude second metal column 509 of end face, second metal column, 509 upper edge girths have a ring lock glossal canal 511, on the position of corresponding second metal column 509 on two square interfaces of back box body, two second holes 512 are arranged, two second sleeves are equipped with in the inside in second hole 512, one the 3rd hole is arranged on second sleeve wall, from then on one second dead bolt stretches out in second sleeve in the 3rd hole under spring action, when second metal column inserts second sleeve, second dead bolt can block the ring lock glossal canal (structure is identical with Fig. 7 structure) on second metal column just, lock box 501 itself served as lock nut, second metal column 509 on the interface has served as locking bar, respectively has two cover electromagnet or motor gear tooth bar reducing gear to be used for to capping 510 releases down in each lock box 501.Also have two cover electromagnet or motor gear tooth bar reducing gear to be used for when release needs between the box body of front and back in addition in the box body of back, the outline of front and back half box body can be square, circular or other shape.In the present embodiment, use an IC-card card reader 513 and power interface 514, or one adopted USB interface and outlet, or pin jack and outlet etc. are from lock box external application computer control electromagnet or motor gear tooth bar reductor, and an IC-card card reader 513 and an outlet 514 have for convenience only drawn in the present embodiment accompanying drawing.

The installment work principle:

By the following capping 510 of front and back box body part in the box body can be installed, after having locked down capping 510, the front and back box body is surrounded the ring flange 502 back butt joints of importing and exporting pipe, when second metal column, 509 insertion sleeves are pinned by dead bolt, the front and back box body fixedly becomes one, and be locked on the import or export pipe move left and right up and down, but can be that rotate in the center of circle with import or outlet.

Embodiment six:

In the manufacture process of gas meter, flow meter, have the projection 201 of a circle at the middle part of table body above-below direction around the table girth, utilize this projection 201, lock box 202 is made the form that whole table the first half is surrounded, concrete structure is as follows, square lock box 202, be divided into former and later two parts, after two parts combination in front and back finishes, the first half of table and the import and export pipe locknut 203 of table can be surrounded, make the upper surface of lock box 202 only expose import and export pipe 204, the lower limb of lock box 202 then utilizes above-mentioned projection 201 to block, lock box 202 can not be moved to any direction, when front and back lock box body does not separate, importing and exporting pipe locknut 203 is separated by lock box 202, thereby can't outside lock box 202, untie, in order to achieve the above object, lower limb nature shape along lock box 202 is shaped on groove 205, projection 201 is stuck in the groove 205 just, front end face at first half lock box body, it is discontinuous that lock box has proper width, purpose is to escape the gas meter, flow meter counting scale, lock box is not produced to be blocked, after two parts lock box combination in front and back finishes, a circumferential closed cavity is arranged between the upper surface of gas meter, flow meter and the upper surface of box body, on the appropriate location in this cavity, a vertical sleeve is equipped with in forward part lock box body inboard, a hole is arranged on the sleeve wall, from then on a dead bolt stretches out in the Kong Zhongxiang sleeve under spring action, rear section lock box body is inboard to be equipped with a vertical metal column 206 with the sleeve corresponding position, post upper edge girth has a ring lock glossal canal 207, when make up the front and rear part, metal column inserts sleeve, dead bolt can block ring lock glossal canal 207 on the metal column 206 just, and (structure is identical with Fig. 7 structure, just with Fig. 7 horizontal positioned), thereby two parts lock box body is locked before and after making when dead bolt is not withdrawn, in the present embodiment, there is a cover electromagnet to be contained in the lock box body, and use an IC-card card reader 208 and power interface 209, or one adopted USB interface and outlet, or pin jack and outlet etc. are from lock box external application computer control electromagnet or motor, and an IC-card card reader 208 and an outlet 209 have for convenience only drawn in the present embodiment accompanying drawing.

This routine principle of work is described below:

After gas meter, flow meter all installs, relatively move with the projection 201 on the 205 aligning tables of the groove on two parts box body of front and back and after making projection 201 insert groove 205, behind the sleeve in the metal column in the lock box body of rear section inserts the forward part box body, front and back two parts lock box body is locked.

As shown in figure 18, be applicable to the lock box inner sleeve mentioned among above-mentioned all embodiment and the syndeton of metal column, connect a sleeve 102 on lock box 101 inwalls, a metal column 103 is set in the sleeve 102, the lower end of metal column is provided with an electromagnet 104.

In the above embodiments between lock box and the lock box, all adopt the mode of metal column and sleeve in the similar embodiment three when lock box and the locking of other parts, so all the other embodiment are not described in detail.

Embodiment seven:

As shown in figure 19, for embodiment one, lock box 701 other parts are constant, just the upper surface of lock box 701 is made a last capping 704 that connects by hinged hinge, profile hole on the lid 706 is changed into the circular hole of band inner thread, on the position of former profiled holes, leave four common holes, when last capping 704 upwardly opens, available Luo silk nail is fixed on lock box 701 on the lower casing 706 by these four holes, Luo silk nail still plays the effect of connection terminal simultaneously, after being covered, can pin capping 704, the inside one side in last capping 704 opening end edges is provided with a crozier 705, can utilize the leverage action to pin by the electromagnet in the lock box 701 and go up capping 704, described leverage is arranged on the position of crozier 705 on the lock box 701 interior corresponding upward cappings 704 with support, described leverage comprises that two ends link together by axle 708 and are mutually the square plate 707 at right angle, two square plates can rotate around axle 708, the square plate vertical with last capping 704 is provided with a crozier 710 from axle 708 ends far away, its effect is when last capping 704 covers, crozier 710 on the square plate 707 hooks mutually with the crozier 705 on the last capping 704, thereby capping 704 is lockable, electromagnet 709 in the following and lock box 701 of another piece square plate 707 is relative, (electromagnet 709 is connected with integrated circuit (IC) chip 715) can be attracted by electromagnet 709, lever produces displacement, crozier 705 is broken off relations, have between the square plate of crozier 710 and lock box 701 inwalls and be provided with a spring 714, elastic force makes square plate crozier 710 be close to the box inwall always, plays the effect of two crozier interlockings when capping 704 covers on guaranteeing.The present embodiment principle is as follows, when gas meter, flow meter is installed, in advance two O shape lock nuts 702 are inserted in respectively and import and export on the pipe, at this time O shape lock nut 702 has the degree of freedom that reaches rotation up and down, can not influence the installation of table, after the table installation with about two locking bars 703 make of screw and are rigidly connected in the back relatively, two O shape lock nuts 702 can not move to any direction, lock box 701 is moved from top to bottom, and make locking bar 703 insert the breach of lock box, with the Luo silk lock box 701 is fixed on the lid 706 again, to go up capping 704 then and cover, the crozier of going up simultaneously on the capping 704 705 hooks mutually with crozier 710 in the lock box 701, and at this moment lock box 701 and lock nut locking bar are locked, can not move to any direction, thus capping 704 and untie connecting screw on when electromagnet 709 does not pick up lever, can't opening.Described electromagnet 709 can replace with motor 711, adopt the motor endplay device that crozier is broken off relations, described endplay device comprises a disk 712 on the motor shaft, axle perpendicular to the disk card is arranged on the radius line of disk 712, and an end of a connecting rod 713 is contained on this axle, and can be around this axle rotation, the other end of connecting rod 713 is connected on the square plate 707 with hinged method, when motor shaft rotated, connecting rod 713 just can spur square plate 707 motions, makes it to break off relations.

Embodiment eight:

As Figure 22, shown in Figure 23, for embodiment four, described lock box 401 can also have a kind of like this embodiment, be about to lock box and make a capping 404 that connects by hinged hinge with the face of importing and exporting the relative side of pipe, in order to make capping 404 cover finger lock, the inside one side in capping 404 opening end edges is provided with a crozier 405, electromagnet 406 in the lock box 401 can pin capping 404 (electromagnet 406 and lock box 401 interior integrated circuit (IC) chip 414 are connected) by leverage, described leverage is arranged on the position of the crozier 405 of corresponding capping 404 in the lock box 401 by support, described leverage comprises that two are mutually the square plate 408 that right angle and end link together by axle 407, square plate 408 can rotate around axle 407, the square plate vertical with capping 404 is provided with a crozier 409 from axle 407 ends far away, its effect is when capping 404 covers, can hook mutually with the crozier 405 on the capping 404, thereby capping 404 is lockable, electromagnet 406 in the following and lock box 401 of another piece square plate 408 is relative, electromagnet attracts lever to produce displacement, crozier 405 is broken off relations, have between the square plate 408 of crozier 409 and lock box 401 inwalls and be provided with a spring 410, elastic force makes the square plate crozier be close to lock box 401 inwalls always, plays the effect of two crozier interlockings when guaranteeing that capping 404 covers.Described electromagnet 406 can replace with motor 411, adopt the motor endplay device that crozier is broken off relations, described endplay device comprises a disk 412 on the motor shaft, axle perpendicular to the disk card is arranged on the radius line of disk 412, and an end of a connecting rod 413 is contained on this axle, and can be around this axle rotation, the other end of connecting rod 413 is connected on the square plate 408 with hinged method, when motor shaft rotated, connecting rod 413 just can spur square plate 408 motions, makes it to break off relations.

All consider electromagnet among above-mentioned all embodiment, release mechanisms such as motor carry out Based Intelligent Control, no matter method is to use the original IC-card card reader of gas meter, flow meter or disposes the IC-card card reader separately, or pass through USB, external computers such as pin type jack, all need the electromagnet in the box, the power input of motor is connected with an integrated circuit (IC) chip, simultaneously, in adopting lock nut and locking bar during pre-buried electric wire, the two ends of electric wire also will be connected to integrated circuit (IC) chip, therefore, if can not start release mechanism only in the various embodiments described above energisings such as electromagnet or motor, the password that is provided with must be imported and release mechanism could be started, can prevent to utilize the illegal release of power lead of turnover lock box like this.Simultaneously, threading in the lock nut locking bar is cut off by external force, can output switching signal when electromagnet or motor action and be recorded in the integrated circuit (IC) chip special-purpose in the box, if integrated circuit (IC) chip is connected with IC-card card reader live wire on the gas meter, flow meter, just can accomplish that illegal dismounting records gas meter, flow meter IC-card card reader and makes gas meter, flow meter counting scale numeration function locking, therefore, an integrated circuit (IC) chip all is housed in the lock box in the foregoing description, this chip has signal acquisition process, the function of decode stored, owing to realize that the chip model of above function is a lot, the logic of Based Intelligent Control also has a variety of, therefore do not do detailed description in an embodiment, among the embodiment three, button cell can be housed as chip power in the lock box, power supply magnet or motor-driven standing power supply can be set in the lock box, so an external power interface is housed on the box body.

In above each embodiment, lock nut and locking bar both can be made solid, also can make hollow body, when being hollow, be used for connecting electric wire, integrated circuit (IC) chip in the lock box is finally received in the two ends of electric wire, because the method for threading is identical with method among the embodiment one, so from second embodiment to the, six embodiment threading is not described in detail again.More than among each embodiment, the tamper proof screws that relates to refers to that all the side of screw in box has unidirectional non-return device, makes screw can't dismantle outside box.And lock box, lock nut, locking bar all can be made with metal or plastics.

Specifically describe the principle that interior Based Intelligent Control electromagnet of lock box body or micromotor are opened lock box below;

Integrated circuit (IC) chip is selected the core of the AT83C5123 single-chip microcomputer of American ATMEL as Crypto Control Unit for use in the lock box, by tape reading the IC-card verification operation authority of enciphered data is arranged by single-chip microcomputer, and whether decision opens electromagnet or micromachine.Control interface can be at the IC-card card reader interface, USB interface, optional in the RS232 interface, purpose all is convenient and microcomputer communication, realize the multimode cipher control, can realize under the support of specific PC end software that simultaneously this device double as is a card sending system, makes things convenient for the expansion of password modification and control function.

As shown in figure 24, the box body of side's dismounting lock box of the present invention is provided with Contact Type Ic Card read-write interface or USB interface or RS232 interface, by the cable realization of standard and being connected of outer PC, the integrated circuit (IC) chip that is provided with in the lock box is connected with interior electromagnet of lock box or motor, when two supply lines of electromagnet or micromotor had by the short circuit risk, the interior monitoring measure of integrated circuit (IC) chip can be write down the illegal cut-out of electromagnet or micromotor electric wire and short circuit incident.External reader device is an optional second reading card apparatus, is used for other modes and starts electromagnet or micromotor, can be present known various versatile card readers, as radio-frequency card etc.The interior Crypto Control Unit of the RS232 interface of second reading card apparatus by multiplexing functions and integrated circuit (IC) chip is connected.The integrated circuit (IC) chip in house software can design special second versatile card reader of supporting by the connection of RS232 interface of a program module.

IC-card of the present invention can be the Mifare serial card of the PHILIPS that uses always, selects the IC-card sheet of different encryption features according to secret needs.Recorded reading, write all needs corresponding cipher authentication in the IC-card; even all there is different cryptoguard in each district in the card, the general protection data security, and the password of IC-card write data can be made as different with the password of sense data; good differentiated control mode is provided, has guaranteed security of system.

As shown in figure 25, be the Crypto Control Unit circuit theory diagrams in the integrated circuit (IC) chip, controller core is the C51 microcontroller of band USB UART and intelligent card reader interface, adopts the AT83C5123 of PLCC28 pin encapsulation, circuit is simple and direct, helps the exploitation debugging and improves stability.

The Crypto Control Unit internal cell offers the main frame standby power, and when main frame did not have operation for a long time, MCU can be made as the low-power consumption standby state by software.When button is pressed, the P3.2 mouth is low by normal high level saltus step, MCU produces INT0 and interrupts, and wakes single-chip microcomputer up, glittering LED1 green light, the plug-in card operation is waited in expression, if the plug-in card checking is passed through, long bright LED1 green light, the I/O mouth P3.6 of MCU puts high level, NPN type triode Q conducting, electromagnet or micromachine action.If the insertion dead card, then glittering LED2 red light, the expression card is not accepted.

Under the holding state, when the motor supply lines is illegally cut off one or two, or when directly being added in the AB line and forcing the action of electromagnet or micromotor with external power, the C line can because of lose by the motor coil conducting come on draw voltage to become low level, or hale because of additional power source and to be that low level, this dual mode cause C line low level can trigger INT1 interruption, wake single-chip microcomputer up, with this interrupt event record, the LED2 of fast blink simultaneously red light, the expression Crypto Control Unit is by illegal invasion.And can be once invaded when connect computer next time to the computing machine report.

The PLCC28 encapsulation version of Crypto Control Unit AT83C5123 in the described integrated circuit (IC) chip has 32K ROM, and operating voltage 3.6V is to 5.5V, maximum operation frequency 48MHz.Functions of pins is described as follows:

P1.2 P3.1-P3.7:I/O port.

RST: input resets.When the crystal oscillator reset device, it is low that this pin should keep 64 crystal oscillator cycles.No matter whether crystal oscillator work, as long as there is the voltage that is lower than VIL to occur, various port all will be in reset mode.But when internal reset, output will keep at least 12 crystal oscillator cycles.

D+:USB forward data uplink port, this pin need the external pull-up resistor of a 1.5K to receive VREF, to reach at full speed.

D-:USB reverse data uplink port.

The input of VREF:USB reference voltage, scope is 3.0-3.6V.VREF generally links on the D+ by the resistance of a 1.5K Ω, and VREF voltage can be by software control.

XTAL1 XTAL2: crystal oscillator pin.

AVCC: aanalogvoltage is used for PLL and USB device in the sheet.

VCC: internal voltage regulator and I/O power supply.

LI:DC/VC input, LI must link on the VCC by an inductance (4.7 μ H), so that provide the pump electric current for the DC/VC converter.

CVCC: card signal voltage, this voltage can be used for the programming of card, need connect a decoupling capacitor during design.

DVCC: digital power, for digital core and inner I/O provide voltage, the output of a 3.3V voltage regulator is linked in this pin inside, and an external decoupling capacitor.

CVSS:DC/DC ground is used for from the external inductors received current.

VSS: digitally.

AVSS: simulation ground.

RXD TXD: full duplex serial UART pin, by MAX232 carry out TTL after the RS232 level conversion with the computing machine communication.For more senior application, can select the AT8XC512X of VQFP64QFN64 encapsulation, because its inside has the EEPROM of 512Bytes, can make system have the ability of the information of preserving after running down of battery or the unexpected power down.

Claims (15)

1. an electromechanical integrated gas meter anti-disassembling device is characterized in that, comprises lock box, locking bar and lock nut, and described lock nut is connected with locking bar, and described locking bar is connected with lock box; Be provided with integrated circuit (IC) chip in the described lock box; Lock box is provided with at least one in IC card reader, USB interface or the Pin, and lock nut is sleeved on gas meter, flow meter and imports and exports on the locknut of pipe; Electromagnet or motor are set in the described lock box, and the integrated circuit (IC) chip in electromagnet or motor and the lock box is connected, being connected between electromagnet or Electric Machine Control lock box and the locking bar.

2. electromechanical integrated gas meter anti-disassembling device according to claim 1 is characterized in that, described lock nut annular sidewall and locking bar are hollow body, are installed with electric wire in hollow body, and the integrated circuit (IC) chip in electric wire and the lock box is connected.

3. electromechanical integrated gas meter anti-disassembling device according to claim 1, it is characterized in that, described locking bar is connected on the shell body of lock box, be connected with on the outside surface of lock box of locking bar a hole is set, locking bar is provided with identical hole with this corresponding position, hole, in the hole of lock box and locking bar, wear the peg that a head of a nail is exposed to the lock box outside, the position of corresponding aperture is provided with a sleeve in the lock box, described sleeve wall is provided with a hole, in the lock box and the corresponding position, hole on this sleeve wall is provided with the dead bolt of a level, electromagnet or motor in the lock box are relative away from an end in the hole on this sleeve wall with dead bolt, the nail post of peg is positioned at sleeve, and the bottom of nail post is provided with the ring lock glossal canal.

4. electromechanical integrated gas meter anti-disassembling device according to claim 2 is characterized in that, described lock box is managed on the corresponding sidewall with import and export and had and the corresponding breach of locking bar, and locking bar is inserted into lock box inside by breach; The locking bar that is set on two lock nuts importing and exporting on the pipe locknut is docking together; Described lock box bottom surface is a movable lid, at least two profiled holes and a plain bore are set on the upper surface of described lid, installing sleeve on the position of corresponding plain bore in the lock box, the sleeve nozzle is concordant with lock box mouth end face, one steel push rod is housed in the sleeve, spring is housed on the sleeve lateral wall, and electromagnet or motor in the lock box are relative away from an end of plain bore with push rod, are equipped with the downward peg of the head of a nail in the described profiled holes.

5. electromechanical integrated gas meter anti-disassembling device according to claim 4, it is characterized in that, described profiled holes is one and hole to be set at the edge in a hole connect, but on width less than the bar v notch v of bore dia, the bar v notch v is consistent with bore dia at certain depth place width.

6. electromechanical integrated gas meter anti-disassembling device according to claim 1, it is characterized in that, described lock box is managed on the corresponding sidewall with import and export and is had and the corresponding breach of locking bar, locking bar is inserted into lock box inside by breach, and the locking bar that is set on two lock nuts importing and exporting on the pipe locknut links together; Sleeve perpendicular to the lock box lower surface is set in the described lock box, one hole is set on the sleeve wall, with the corresponding section, hole one dead bolt is set, electromagnet or motor in the lock box are relative away from an end in hole with dead bolt, and dead bolt is flexible in the hole under the control of electromagnet or motor; The bottom surface of described lock box is a movable lid, and the position that described active box covers corresponding sleeve is provided with metal column, and the metal column end is provided with the ring lock glossal canal, and when metal column inserted sleeve, dead bolt blocked the ring lock glossal canal of metal column.

7. electromechanical integrated gas meter anti-disassembling device according to claim 1, it is characterized in that, described lock box is spliced by former and later two half box bodys, two of each half box body respectively have a breach on the end face of importing and exporting pipe, involutory before and after two and half box bodys, two breach synthesize one and the corresponding to breach of locking bar shape, and locking bar is located in the breach of two and half box bodys formation; Be provided with in described preceding half box body two vertical and protrude from the metal column of box mouth end face, along the circumferential direction be provided with the ring lock glossal canal on the metal column, the position of the preceding half box body metal column of later half box body correspondence is provided with sleeve, sleeve-port is concordant with the box mouth end face of later half box body, described sleeve wall is provided with a hole, the dead bolt of one level is set with this corresponding position, hole in the lock box, and electromagnet or motor in the lock box are relative away from an end in hole with dead bolt.

8. according to each described electromechanical integrated gas meter anti-disassembling device in the claim 1 to 7, it is characterized in that, described lock nut is the O type, described O type lock nut is made up of annulus sidewall and last capping, the internal diameter of annulus sidewall and locknut external diameter adapt, the described cover center of going up has a circular hole that adapts with the import and export external diameter of pipe of importing and exporting on the pipe, the corresponding end with lock box of described O type lock nut connects locking bar, the tabular body that described locking bar extends to form for the tabular body that forms along capping horizontal-extending on the lock nut or along the lock nut sidewall or for being arranged on the right cylinder on the lock nut sidewall; The curved edge of described lock nut annular side wall lower ends face inboard is provided with a L type and protrudes.

9. according to each described electromechanical integrated gas meter anti-disassembling device in the claim 1 to 7, it is characterized in that, described lock nut is the U type, described U-shape lock cap by semi-circular segments, be placed on the last capping on the semi-circular segments and the straight-line segment that extends naturally along the semi-circular segments two ends is formed, the described cover center of going up has a circular hole that adapts with the import and export external diameter of pipe, the internal diameter of semi-circular segments is gone up the locknut external diameter with the import and export pipe and is adapted, and the U type two side of described U-shape lock cap extends into two locking bars; The curved edge of described lock nut annular side wall lower ends face inboard is provided with a L type and protrudes.

10. electromechanical integrated gas meter anti-disassembling device according to claim 9 is characterized in that, described U-shape lock cap by in separated two half U types splicing form.

11., it is characterized in that described lock box is two according to each described electromechanical integrated gas meter anti-disassembling device in the claim 1 to 7, be connected with the locknut of lock nut by locking bar respectively with induction pipe and outlet.

12., it is characterized in that described lock box, lock nut and locking bar are made by metal or plastics according to each described electromechanical integrated gas meter anti-disassembling device in the claim 1 to 7.

13. an electromechanical integrated gas meter anti-disassembling device is characterized in that, imports and exports at gas meter, flow meter on the locknut of pipe lock box is set, lock box is made up of two semicircle box bodys, and the round internal diameter that two semicircle box bodys surround manages upward that the external diameter of locknut adapts with importing and exporting;

Two semicircle box bodys all have the last capping and the following capping of semicircle, and described capping down all is provided with two first metal columns perpendicular to following capping towards a side of semicircle box body, and the free end of described first metal column has the ring lock glossal canal along circumference; On the position of described two corresponding first metal columns of semicircle box body first sleeve is set respectively, one first hole is set on described first sleeve wall, with corresponding section, first hole one first dead bolt is set, near the end of first dead bolt away from first hole one first magnet is set, first dead bolt is flexible in first hole under the control of first magnet, following capping and semicircle box body are to when splicing, and described first metal column inserts in first sleeve, and described first dead bolt blocks the ring lock glossal canal on first metal column;

Respectively have on two square interfaces of one of them semicircle box body and another semicircle box body one vertical and protrude second metal column of this face, the described second metal column end all is provided with the ring lock glossal canal; The position of corresponding second metal column has one second hole respectively on two square interfaces of another semicircle box body, in described second hole second sleeve is housed all, have one the 3rd hole on described second sleeve wall, with corresponding section, the 3rd hole one second dead bolt is set, near the end of second dead bolt away from the 3rd hole one second magnet is set, second dead bolt is flexible in the 3rd hole under the control of second magnet, when the opposite face of two semicircle box bodys docks, described second metal column inserts in second sleeve, described second dead bolt blocks the ring lock glossal canal on second metal column, in the described semicircle lock box integrated circuit (IC) chip is housed.

14. electromechanical integrated gas meter anti-disassembling device according to claim 13 is characterized in that, described lock box is two, is set on the locknut of gas meter, flow meter induction pipe and outlet.

15. electromechanical integrated gas meter anti-disassembling device according to claim 13 is characterized in that, described lock box is made by metal or plastics.

Images