CN2263334Y - Photoinduction type flowmeter for drinker - Google Patents

Abstract

The utility model relates to a photoinduction type flowmeter for drinking machines, composed of a body and an inductor. The body comprises a cover plate, an impeller, and a base. The inductor comprises a top cover, an inducting body composed of a light emitting element and a light receiving element, and an inducting rotor. Water which flows into the base drives the impeller to rotate. The utility model which adopts the principle that the magnetic body on the impeller and the magnetic body on the inducting rotor attract each other to drive the inducting rotor to operate. The inducting rotor is provided with through grooves. The inducting rotor rotates to intermittently block the continuous light source which is emitted by an infrared element. The light receiving element receives the signal of interrupted light and sends the signal to an electronic circuit outside which calculates the water flow value. The utility model has the advantages of accurate calculation, small volume, and easy installation.

Description

The light sensation formula flowmeter of water dispenser

The utility model relates to a kind of measuring apparatus, relates to a kind of light sensation formula flowmeter that is applied to water dispenser or rather.

Now, the water pollution problems aggravation, even through Running-water Company's treated water problem is arranged unavoidably also, the common people have to re-use water treatment facilities and obtain potable water, as using R.O. reverse osmosis water dispenser, ion exchange resin formula water dispenser etc.These drinking water treatment equipment all must be by producer's requirement periodic replacement filter core, filter material etc., and in fact the update cycle of water dispenser filter material is directly proportional with output, supply water many more, the filter material life-span is short more, the filter material renewal frequency is high more, therefore the more scientific and rational practice should be with the maintenance basis of flow mode as water dispenser, also can remind user's using water wisely simultaneously.

The prior mechanical flowmeter promotes wheel rotation by current, with the coaxial main shaft of impeller on establish gear, driving gear set is come the discharge that the First Astronautic Research Institute for Measurement and Test is flow through again.Since the error during each gear of gear set is made, running wearing and tearing etc., so metering accuracy is relatively poor, and the volume that gear set takies is bigger, is not suitable for using on water dispenser.

The purpose of this utility model is to design a kind of light sensation formula flowmeter for water dispenser, current promote wheel rotation, use the principle of opposite sex attraction of impeller and inductiopn rotor magnetic, drive inductiopn rotor run-in synchronism, remove to block off and on the continuous light source of launching by infrared element, receive this light signal and metering with external electronic circuit again, thereby obtain correct flow number.

The light sensation formula flowmeter of the utility model water dispenser is made up of body and inductor, it is characterized in that:

Described body comprises lid, impeller and base, inductor and inductiopn rotor that described inductor comprises top cover, is made up of photocell and light receiving element;

Described lid central authorities are provided with the nernst cell for ccontaining inductor, nernst cell one side sets out the water hole, nernst cell bottom center place has upwards protruded out minor axis, there is T type groove to be relatively arranged on the nernst cell perisporium, lid bottom center stretches downwards at the place and is provided with minor axis, nearly outer rim place, lid bottom surface upwards is concaved with annular groove, and the lid bottom surface is provided with the outlet conduit that is connected with apopore;

Described base is fixed in described lid below, base top surface becomes to supply the depressed part of ccontaining described impeller to lower recess, offer blasthole on the depressed part perisporium, the convex ring rib that is provided with of depressed part periphery, there is seal ring to be folded between the annular groove of ring rib outer wall and described lid bottom surface, the depressed part center is concaved with axis hole, and the base side is provided with the water inlet pipe that is connected with described blasthole;

Described impeller top surface is embedded with the ring-shaped magnetic body, and the impeller tip center is concaved with the axis hole that cooperates with described lid bottom surface minor axis, and impeller bottom center stretches downwards at the place and is provided with the minor axis that matches with described base depressions central shaft hole;

Described inductiopn rotor is the shape of falling T, be placed in the described lid nernst cell, the inductiopn rotor bottom upwards is concaved with the axis hole that matches with described lid nernst cell bottom center minor axis, inductiopn rotor root edge top is equipped with magnetic, the inductiopn rotor middle section offers groove, and the inductiopn rotor top is provided with the garden axle;

Described inductor photocell, light receiving element are embedded respectively in the relative nernst cell T type groove of described lid two;

Described top cover is fixed on the described lid nernst cell, and top cover bottom center place is concaved with the axis hole that matches with described inductiopn rotor top circular shaft, and the top cover periphery offers wire casing.

Described inductor photocell and light receiving element are respectively infrared transmitter and infrared receiver.

The bottom surface of described body base is provided with L shaped positioning rib, and the both sides of two adjacent L shaped positioning ribs are parallel to each other, establishes salient point on the positioning rib, keeps spacing between salient point and base end face.

Current promote wheel rotation in the body, the impeller magnetic is inhaled mutually with inductiopn rotor magnetic magnetic force and is driven inductiopn rotor run-in synchronism, by groove on the inductiopn rotor, that causes light receiving element has light, a unglazed cycle variable condition, will can obtain correct flow number through computing in this light-sensing signal input electronic circuit.

This flowmeter also has the advantage that volume is little, be convenient to install except that the advantage that accurate measurement is arranged.

Further specify technology of the present utility model below in conjunction with the embodiment accompanying drawing

Fig. 1. the perspective view of light sensation formula flowmeter

Fig. 2. the decomposition texture synoptic diagram of light sensation formula flowmeter

Fig. 3. the combination cut-away structure chart of light sensation formula flowmeter

Fig. 4. 4-4 line cut-away structure chart among Fig. 2

Fig. 5. 5-5 line cut-away structure chart among Fig. 2

Fig. 6. 6-6 line cut-away structure chart among Fig. 2

Fig. 7. 7-7 line cut-away structure chart among Fig. 2

Fig. 8. the polycrystalline substance synoptic diagram of light sensation formula flowmeter base

Fig. 9. 9-9 line cut-away structure chart among Fig. 2

Figure 10. 10-10 line cut-away structure chart among Fig. 2

Figure 11. pipe fitting fixed rack structure synoptic diagram

Figure 12. the water treatment machine filtering element (cartridge) is fixed in synoptic diagram on the plane with the pipe fitting fixed mount

Figure 13. light sensation formula flowmeter is fixed in synoptic diagram on the filtering element (cartridge) with the pipe fitting fixed mount

Light sensation formula flowmeter comprises body 10 and 20 liang of big parts of inductor, and wherein body 10 comprises lid 11, base 12 and impeller 13, and inductor 20 comprises inductiopn rotor 21, photocell 22, light receiving element 23 and top cover 24, as shown in Figure 2.

Referring to Fig. 2 and in conjunction with referring to Fig. 4, Fig. 5, lid 11 periphery rings are shown the ring ear 111 of band screw Y1, lid 11 end face center positions are established nernst cell 112 and (are seen Fig. 2, Fig. 4), side in nernst cell 112 sets out water hole 113 (see figure 5)s, bottom center place in nernst cell 112 upwards protrudes out a minor axis 114 (see figure 4)s, the perisporium of rich this nernst cell 112 of ring establishes T type groove 115 in twos relatively and screw 116 (is seen Fig. 2, Fig. 4), lid 11 bottom center then stretch downwards at the place and establish minor axis 117 (see figure 4)s, and upwards be arranged with annular groove 118 in the nearly outer rim in its bottom surface place and (see Fig. 4, Fig. 5), set out waterpipe 119 in the appropriate position of its bottom surface again and (see Fig. 2, Fig. 5), this outlet conduit 119 is communicated with (see figure 5) with apopore 113.

Base 12 is locked on lid 11 belows (seeing Fig. 1, Fig. 3).

Also combination is referring to Fig. 6, Fig. 7 referring to Fig. 2, and base 12 periphery circular row ring ears 121 are equipped with screw Y2 on the ring ear 121, and bolt X passes base ring ear snail hole Y2, lid ring ear snail hole Y1 in turn and is locked in interior and screw lock lid 11 and base 12.The central term of base 12 faces down and is recessed to form depressed part 122, offer blasthole 123 in the depressed part perisporium, upwards be convexly equipped with ring rib 124 in the depressed part periphery, ring outer wall of rib 124 and lid 11 bottom surface annular grooves 118 (can contrast Fig. 4, Fig. 7) are gripped with seal ring O (can referring to Fig. 3), be arranged with axis hole 125 in the depressed part center, establish water inlet pipe 126 in base 12 sides, this water inlet pipe 126 (see figure 7) that is connected with blasthole 123.

Referring to Fig. 8, the bottom surface of base 12 is provided with several L type positioning rib 127 (visible Fig. 3), each positioning rib 127 both sides is parallel with the both sides of adjacent positioned rib respectively, and the appropriate position on each positioning rib 127 convexes with salient point 128, and this salient point has a suitable distance apart from the bottom surface of base 12.

Referring to Fig. 2 and in conjunction with referring to Fig. 9, impeller 13 is arranged in the depressed part 122 of base 12 (can referring to Fig. 3), impeller 13 end faces are embedded with ring-shaped magnetic body 131, be arranged with axis hole 132 in center, impeller 13 top, this axis hole 132 cooperates with the minor axis 117 of lid 11 bottoms, stretch downwards and establish minor axis 133 (see figure 9)s at impeller 13 bottom center places, and 133 central shaft holes 125 with base 12 depressed parts 122 of this minor axis cooperate (can referring to Fig. 3).

Referring to Fig. 2, Fig. 3 and in conjunction with referring to Figure 10, inductiopn rotor 21 is the shape of falling T, be placed in the nernst cell 112 of lid 11, these inductiopn rotor 21 bottoms upwards are concaved with axis hole 211 (see figure 10)s, cooperate (can contrast Fig. 4, Figure 10) with the minor axis 114 of lid nernst cell 112 bottom center, be nested with magnetic 212 in inductiopn rotor 21 root edges top, offer vertical groove 213 in inductiopn rotor 21 stage casings, circular shaft 214 is established on inductiopn rotor 21 tops.

Photocell 22 can adopt infrared emission tube, and 23 of light receiving elements are used infrared receiver tube, is embedded at respectively in the two T type grooves 115 that lid 11 nernst cells 112 perisporiums set up relatively.

Top cover 24 end faces have perforation 241, bolt X passes these perforation 241 back screw locks in the screw 116 of lid nernst cell perisporium, portion of top cover bottom center is arranged with axis hole 242 (see figure 3)s, and this axis hole 242 cooperates with the circular shaft 214 on inductiopn rotor 21 tops, and wire casing 243 is offered in top cover 24 periphery appropriate positions.

During the work of light sensation formula flowmeter, oral siphon links to each other with the water inlet pipe 123 of base 12, rising pipe links to each other with the outlet conduit 119 of lid 11, current enter base depressions 122 by water inlet pipe 123, blasthole 126 and promote impeller 13 and rotate, and are flowed out by lid apopore 113, outlet conduit 119 again.When impeller 13 rotates, the magnetic 131 (super apart from the power principle according to magnetic) that is embedded at impeller 13 tops attracts the magnetic 212 of inductiopn rotor 21, driving inductiopn rotor 21 rotates synchronously with impeller 13, because inductiopn rotor 21 stage casings offer groove 213, therefore when inductiopn rotor 21 rotates, the red line continuous light source that 213 pairs of photocells 22 of groove are sent causes intermittent blocking, make light receiving element 23 obtain to have light and unglazed two kinds of light-sensing signals, two signals are connected to external circuit by lead, can be converted into accurate flow number by Q=AV (flow=basal area X flow velocity).

Because the distance that the bottom surface of this flowmeter base 12 is provided with positioning rib 127, the two positioning rib parallel edges just width with the pedestal 31 of pipe fitting fixed mount 30 shown in Figure 11 is identical.This pipe fitting fixed mount 30 be usually used in fixedly water quality treater filtering element (cartridge) 40 and then fixing in the plane, as shown in figure 12.Salient point 128 just matches with the thickness of pipe fitting fixed mount 30 pedestals 31 with the distance of base 12 bottom surfaces on the positioning rib 127, make base 12 can utilize positioning rib 127 and salient point 128 clips on the pedestal 31 of pipe fitting fixed mount 30, as shown in figure 13, this flowmeter is fixed on the filtering element (cartridge) 40 of water processor easily.

The utility model is the light sensation formula flowmeter that water dispenser is provided with, obtain flow signal through the light sensation effect, accurately be converted into flow number through the external electronic circuits processing, volume ratio mechanical flow meter reduces half, and be convenient to install calculated flow rate, provide science more, more economical cycle for changing the water dispenser filter material.

Claims (3)

1, a kind of light sensation formula flowmeter of water dispenser is made up of body and inductor, it is characterized in that:

Described body comprises lid, impeller and base, inductor and inductiopn rotor that described inductor comprises top cover, is made up of photocell and light receiving element;

Described lid central authorities are provided with the nernst cell for ccontaining inductor, nernst cell one side sets out the water hole, nernst cell bottom center place has upwards protruded out minor axis, there is T type groove to be relatively arranged on the nernst cell perisporium, lid bottom center stretches downwards at the place and is provided with minor axis, nearly outer rim place, lid bottom surface upwards is concaved with annular groove, and the lid bottom surface is provided with the outlet conduit that is connected with apopore;

Described base is fixed in described lid below, base top surface becomes to supply the depressed part of ccontaining described impeller to lower recess, offer blasthole on the depressed part perisporium, the convex ring rib that is provided with of depressed part periphery, there is seal ring to be folded between the annular groove of ring rib outer wall and described lid bottom surface, the depressed part center is concaved with axis hole, and the base side is provided with the water inlet pipe that is connected with described blasthole;

Described impeller top surface is embedded with the ring-shaped magnetic body, and the impeller tip center is concaved with the axis hole that cooperates with described lid bottom surface minor axis, and impeller bottom center stretches downwards at the place and is provided with the minor axis that matches with described base depressions central shaft hole;

Described inductiopn rotor is the shape of falling T, be placed in the described lid nernst cell, the inductiopn rotor bottom upwards is concaved with the axis hole that matches with described lid nernst cell bottom center minor axis, inductiopn rotor root edge top is equipped with magnetic, the inductiopn rotor middle section offers groove, and the inductiopn rotor top is provided with the garden axle;

Described inductor photocell, light receiving element are embedded respectively in the relative nernst cell T type groove of described lid two;

Described top cover is fixed on the described lid nernst cell, and top cover bottom center place is concaved with the axis hole that matches with described inductiopn rotor top circular shaft, and the top cover periphery offers wire casing.

2, the light sensation formula flowmeter of water dispenser according to claim 1 is characterized in that:

Described inductor photocell and light receiving element are respectively infrared transmitter and infrared receiver.

3, the light sensation formula flowmeter of water dispenser according to claim 1 is characterized in that:

The bottom surface of described body base is provided with L shaped positioning rib, and the both sides of two adjacent L shaped positioning ribs are parallel to each other, establishes salient point on the positioning rib, keeps spacing between salient point and base end face.

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