CN2155025Y

CN2155025Y - Drum-like rainfall transducing device

Info

Publication number: CN2155025Y
Application number: CN93206461U
Authority: CN
Inventors: 徐定华
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-03-11
Filing date: 1993-03-11
Publication date: 1994-02-02
Anticipated expiration: 2003-03-11

Abstract

The utility model relates to a cylinder-typed rainfall induction device, which is characterized in that the cylinder-typed rainfall inducing device is provided with each of a left and a right sets of the rainfall induction devices is composed of a cylindrical body, a floating cylinder, a floating cylinder guide rod, a water inlet pipe passage, a siphon pipe passage, a displacement sensing switch, a screw rod, and a plurality of screw rod pieces. The two sets of the rainfall induction devices carry out continuous operation by turns and the siphon pipe passage implement forced siphon through the cooperation action of the floatingcylinder and each of the screw rod pieces and the forward and the backward rotation control of the DC motor. Thus, the utility model not only can ensure the working connection of the two sets of the rainfall induction devices, but also can ensure the continuity of signal output and improve measurement precision. In addition, the cylinder-typed rainfall induction device outputs delivers electrical signals, which can realize remote recording and improves working conditions.

Description

Drum-like rainfall transducing device

The utility model relates to a kind of cartridge type rainfall induction installation.

The rainfall induction installation that a kind of single cylinder is arranged is made up of cylindrical shell, floating drum, inlet pipeline and siphon pipeline.Floating drum is provided with the guide rod that cooperates with guiding mechanism, this guide rod stretches out cylindrical shell, to reflect that by being contained in recording bar on the guide rod what helical pitch signal of rainfall in the cylindrical shell transports to pen recorder, this rainfall induction installation is using three problems of existence of finding: the one, after siphonage is set up, in the floating drum dropping process, the rainfall that enters cylindrical shell from inlet pipeline can't turn the output of helical pitch signal into, causes bigger value error; The 2nd, when spotting, though floating drum has reached siphon height, siphonage often is difficult to set up, and floating drum will fluctuate up and down at this height, also rainfall can't be turned into the output of helical pitch signal this moment, and distortion phenomenon just appears in value; The 3rd, the helical pitch signal can not be made long distance and carry.Record works under hard conditions at the scene.

The purpose of this utility model provides a kind of rainfall signal and can make long distance and carry, and rainfall signal cartridge type rainfall induction installation accurately.

Solution of the present utility model is that left-hand cylinder body and right cylindrical shell are set, each cylindrical shell all has floating drum, float guide, inlet pipeline and siphon pipeline, float guide stretches out cylindrical shell with guide rod hole Dong Pei He And, above float guide, be provided with the folder formula displacement sentive switch that can move up and down along guide pillar, head formation at float guide can be stretched into the contact that displacement Min Gan Kai Guan And infers the displacement sentive switch, the other end of displacement sentive switch forms the threaded threaded engagement of nut And, push rod is stretched out at the middle part of displacement sentive switch, the bar that hits that this push rod promotion is located at middle position between left-hand cylinder body and the right cylindrical shell rotates around fulcrum, hit the bar below left, the right side is stretched out also and can be pushed away And by push rod and make and hit the touching lever that bar is rotated further around fulcrum, the rear of hitting bar is provided with the rainwater tipping bucket that can rotate around another fulcrum, the left side of this rainwater tipping bucket, the limit on the right-right-hand limit position is aimed at the funnel that is located at the inlet pipeline top respectively, and the left side of rainwater tipping bucket, right respectively stretching out can be hit the bar that strikes that bar knocks, worm gear is housed on the screw rod, this worm gear is with the worm mesh that is contained on the direct current generator output shaft, direct current generator just has, reverse turn control circuit, be provided with the displacement sentive switch in the control circuit, continuity switch and interlock switch, wherein the displacement sentive switch is with the continuity switch in parallel, and the continuity switch is made up of cam and conducting strip.Cam is installed on the screw rod, picks out output line from the end of conducting strip, and interlock switch is located at the lower left and the lower right of rainwater tipping bucket, promotes the interlock switch closure by the rainwater tipping bucket.Interlock switch serial connection diode.

Further illustrate content of the present utility model below in conjunction with drawings and Examples.

Fig. 1: structure diagram of the present utility model;

Fig. 2: the structure diagram of displacement sentive switch and rainwater tipping bucket part;

Fig. 3: the structure diagram of continuity switch sections;

Fig. 4: direct current generator forward and backward control circuit figure.

The utility model comes down to double shell and takes turns the rainfall induction installation of continuous working formula, to be that line of symmetry is left and right be symmetrical arranged with the axis of device for left-hand cylinder body (1) and right cylindrical shell (2), each cylindrical shell (1 or 2) all has floating drum (3,4), float guide (5,6), inlet pipeline (7,8) and siphon pipeline (9,10), float guide (5,6) stretches out cylindrical shell (1,2) with guide rod hole Dong Pei He And, is provided with the folder formula displacement sentive switch (K that can move up and down along guide pillar (13,14) in the top of the guide rod (5,6) that floats ₁, K ₂) can stretch into displacement Min Gan Kai Guan And with displacement sentive switch (K in the head formation of float guide (5,6) ₁, K ₂) contact (11,12) of inferring, displacement sentive switch (K ₁, K ₂) the other end form nut (15,16) And threaded (17,18) threaded engagement, push rod (19 is stretched out at the middle part of displacement sentive switch, 20), this push rod (19,20) promote to be located at that the bar (23) that hits of middle position rotates around fulcrum (24) between left-hand cylinder body (1) and the right cylindrical shell (2), the below of hitting bar (23) left, stretch out on the right side also can be by push rod (19,20) Tui Dong And make and hit the touching lever (25 that bar (23) is rotated further around fulcrum (24), 26), the rear of hitting bar (23) is provided with the rainwater tipping bucket (28) that can rotate around another fulcrum (27), the left side of this rainwater tipping bucket (28), the limit on the right-right-hand limit position is aimed at respectively and is located at inlet pipeline (7,8) funnel (29 at top, 30), and the left side of rainwater tipping bucket (28), the right side respectively stretch out can be hit that bar (23) knocks strike bar (31,32), screw rod (17, worm gear (34 is housed 18), 35), this worm gear (34,35) make left screw rod (17) with right screw rod (18) switched in opposite with worm screw (33) the engagement ， And that is contained on direct current generator (D) output shaft.Direct current generator (D) has the forward and backward control circuit, is provided with displacement sentive switch (K in the control circuit ₁, K ₂), continuity switch (K) and interlock switch (K ₃, K ₄), displacement sentive switch (K wherein ₁, K ₂) with continuity switch (K) parallel connection, continuity switch (K) is made up of cam (36) and conducting strip (37), cam (36) is installed on the screw rod (17 or 18), picks out signal wire (38), interlock switch (K from the end of conducting strip (37) ₃, K ₄) be located at the lower left and the lower right of rainwater tipping bucket (28), promote interlock switch (K by rainwater tipping bucket (28) ₃, K ₄) closure, interlock switch (K ₃, K ₄) serial connection diode (D ₁, D ₂).In design, to note following some: one, the water inlet position on the cylindrical shell (1,2) will be a little less than siphon port; Two, under the driving of screw rod (17,18), displacement sentive switch (K ₁, K ₂) the ascending velocity of ascending velocity floating drum (3,4) when being greater than maximum rainfall; Three, continuity switch (K) will be at displacement sentive switch (K ₁, K ₂) after the outage, continue closedly, direct current generator (D) is remained in operation, disconnect the back to displacement sentive switch (K at continuity switch (K) ₁, K ₂) again before the closure, direct current generator (D) should have the stall of moment, like this, signal wire (38) will be exported discontinuous signal, use for computing machine and pen recorder.In addition, the water delivering orifice position of siphon pipeline (9,10) is in the below of cylindrical shell (1,2), utilize following space, the tube end, make float guide (5,6) be divided into upper and lower two parts; And is located at the guide rod branch upper and lower position of cylindrical shell (1,2), like this, the overall height of device is descended, device will be compact more.

The rainfall induction installation of said structure, in the process that float guide rises, pass through contact, the displacement sentive switch, push rod, hit bar, touching lever and the interaction of striking bar, the rainwater tipping bucket will be overturn rapidly when float guide will rise to the siphon position, make two cylindrical shells take turns continuous working, thus guarantee the output of rainfall signal continuously, improve the precision of metering, in addition, after siphon begins, floating drum will land under the pressing of displacement sentive switch, siphon has just had mandatory, this will further guarantee the linking of two cylindrical shell work, moreover, this device output electric signal, can realize remote record, condition of work has also just been improved.

Claims

1, a kind of cartridge type rainfall induction installation, it is characterized in that: be provided with left-hand cylinder body (1) and right cylindrical shell (2), each cylindrical shell (1,2) has floating drum (3,4), float guide (5,6), inlet pipeline (7,8) and siphon pipeline (9,10), float guide (5,6) and closes And and stretch out cylindrical shell (1,2) with moving joining of guide rod hole, and the top of float guide (5,6) is provided with the folder formula displacement sentive switch (K that can move up and down along guide pillar (13,14) ₁, K ₂), can stretch into the displacement sentive switch with displacement sentive switch (K in the head formation of float guide (5,6) ₁, K ₂) contact (11,12) of inferring, displacement sentive switch (K ₁, K ₂) the other end form nut (15,16) ， And threaded (17,18) threaded engagement, displacement sentive switch (K ₁, K ₂) the middle part stretch out push rod (19,20), this push rod (19,20) promote to be located at that the bar (23) that hits of middle position rotates around fulcrum (24) between left-hand cylinder body (1) and the right cylindrical shell (2), the below of hitting bar (23) left, stretch out on the right side also can be by push rod (19,20) Tui Dong And make and hit the touching lever (25 that bar (23) is rotated further around fulcrum (24), 26), the rear of hitting bar (23) is provided with the rainwater tipping bucket (28) that can rotate around another fulcrum (27), the left side of this rainwater tipping bucket (28), the limit on the right-right-hand limit position is aimed at respectively and is located at inlet pipeline (7,8) funnel (29 at top, 30), and the left side of rainwater tipping bucket (28), the right side respectively stretch out can be hit that bar (23) knocks strike bar (31,32), screw rod (17, worm gear (34 is housed 18), 35), this worm gear (34,35) with worm screw (33) engagement that is contained on direct current generator (D) output shaft, direct current generator (D) just has, reverse turn control circuit.Be provided with displacement sentive switch (K in the control circuit ₁, K ₂), continuity switch (K) and interlock switch (K ₃, K ₄), displacement sentive switch (K wherein ₁, K ₂) with continuity switch (K) parallel connection, continuity switch (K) is made up of cam (36) and conducting strip (37), cam (36) is installed on the screw rod (17 or 18), picks out signal wire (38), interlock switch (K from the end of conducting strip (37) ₃, K ₄) be located at the lower left and the lower right of rainwater tipping bucket (28), promote interlock switch (K by rainwater tipping bucket (28) ₃, K ₄) closure, interlock switch (K ₃, K ₄) serial connection diode (D ₁, D ₂).

2, cartridge type rainfall induction installation according to claim 1 is characterized in that: float guide (5,6) is divided into upper and lower two parts, and the guide rod hole branch is located at the upper and lower position of cylindrical shell (1,2).