CN2440202Y - Precharging water meter having no need of working power supply - Google Patents

Abstract

The utility model relates to a precharging water meter without need of working power supply. The utility model comprises a water meter casing, a control valve, an impeller, a counter assembly, a user data exchange controller, an inverted power motor, a decelerator control circuit, an inverted power motor, a decelerator, a probing part, and a self-hold actuating mechanism, wherein, the output of the user data exchange controller is used as a power supply signal to be connected with the inverted power motor and the decelerator control circuit; the inverted power motor and the output of the decelerator control circuit are connected with the inverted power motor and the decelerator; the inverted power motor and the decelerator are connected with the counter assembly which is connected with the self-hold actuating mechanism by the probing part. The utility model has the advantages that the problems of interference, loss of data, unreliable batteries, and unreliable voltage detecting circuits do not exist; the cost is low.

Description

Need not the pre-charges water meter of working power

The utility model relates to a kind of pre-charges water meter that need not working power.

In recent years, for solving the problem of counting cost by gas meter difficulty, domestic beginning development and popularization prepaid control technology.Wherein IC-card prepaid electricity, water, gas meter and code exchange prepayment electricity, water, gas meter are accepted by users.But, no matter adopt the IC-card prepaid control technology that has technology hidden danger, still adopt the code exchange prepayment control technology of safety, just the exchanged form difference of prepayment data does not address the problem: electric flash memory data loss problem; The anti-interference problem of charged work; The integrity problem of sensor; Battery life and observation circuit stability problem; Power consumption and cost problem.

Prepaid control product is a kind of specialities of special dimension, removes and solves anti-attack problem, and reliability of products and price directly have influence on applying of product.

The purpose of this utility model is to provide a kind of pre-charges water meter that need not working power, is in order to overcome deficiency of the prior art, to design to improve reliability of products and to reduce cost.

The purpose of this utility model is achieved in that the pre-charges water meter that need not working power, comprise water meter case, be positioned at the by-pass valve control of watermeter shell, impeller, counter assembly, its characteristics are: also comprise the user data exchange control unit, inverted power motor and speed reduction unit control circuit, inverted power motor and speed reduction unit, probe portion, self-sustaining topworks, the output of user data exchange control unit connects inverted power motor and speed reduction unit control circuit as power supply signal, inverted power motor and the output of speed reduction unit control circuit connect inverted power motor and speed reduction unit, inverted power motor and speed reduction unit and counter assembly join, and counter assembly joins by probe portion and self-sustaining topworks.After the water yield data carrier that the user buys is inserted exchanges data controller jack, the battery of this recording controller provides power supply for inverted power motor and speed reduction unit control circuit, inverted power motor and speed reduction unit control circuit will be from data carrier after the reading of data storages, judge its legitimacy, and by driving inverted power motor and speed reduction unit drive counter assembly and impeller work, thereby make the action of self-sustaining topworks by probe portion, by-pass valve control is opened.

Below in conjunction with drawings and Examples the utility model is further described.

Fig. 1 is a structural representation of the present utility model.

Referring to Fig. 1, present embodiment comprises water meter case 1, by-pass valve control 4, impeller 5, counter assembly, user data exchange control unit 33, inverted power motor and speed reduction unit control circuit 32, inverted power motor and speed reduction unit 31, probe portion, self-sustaining topworks, the output of user data exchange control unit 33 connects inverted power motor and speed reduction unit control circuit 32 as power supply signal, inverted power motor and speed reduction unit control circuit 32 connect inverted power motor and speed reduction unit 31, inverted power motor and speed reduction unit 31 join with counter assembly, and counter assembly joins by probe portion and self-sustaining topworks.Self-sustaining topworks comprises self-supporting switch and release lever 21, balance stem 23, controls backguy 24, balance stem 23 is connected with control backguy 24, control backguy 24 is connected with by-pass valve control 4, and self-supporting switch and release lever 37 offset with the detection sensing shaft 20 of probe portion.Counter assembly comprises a counter wheel 7, ten counter wheels 8, hundred counter wheels 9, the kilobit counter wheel 10 of detection wheel 15,16,17 and 18 grooves that match of inverted counter wheel 14, band and the probe portion of inner band rotary chute, inverted counter wheel 14 and be against main shaft character wheel retracing spring 13 on the most significant digit kilobit counter wheel 18, inverted power motor and speed reduction unit 31 are connected with the inverted counter wheel 18 of being with rotary chute by inverted counting wheel shaft 25.Inverted power motor and speed reduction unit control circuit 32 comprise central processing unit 34, be connected on central processing unit 34 output terminals with the triode 38 that drives inverted power motor and speed reduction unit 31, be used to store electric flash memory 35, the isolating diode that is used for isolated data 36 that is connected on central processing unit 32 two ends and the data protection electric capacity 37 of user's purchase data etc.Probe portion is surveyed a position on the sensing shaft 20 by being through from the low level to a high position and is surveyed 15, ten on wheel and survey 16, hundred on wheel and survey wheel 17 and kilobit and survey wheel 18 and forms, and the self-sustaining release lever 21 of surveying sensing shaft 20 and self-sustaining topworks offsets.

Principle of work of the present utility model is as follows: water enters water meter from draft tube 2, makes impeller 5 rotations produce counting, and water is supplied with the user from rising pipe 3 through by-pass valve control 4 and used.When the user makes water, the counter assembly of water meter is started working, the writing speed of counter is directly proportional water consumption with the user, water meter is meshing by counter output shaft 6 and counter assembly, make position counter wheel 7 carries, individual position counter wheel 7 by one's carry wheel 12 to ten counter wheel 8 carries, by rounding wheel to hundred countings opinion 9 carries, again by rounding wheel to kilobit counter wheel 10 carries.

When the pre-charges water meter that need not working power of the present utility model dispatches from the factory, the counter assembly data presentation is 0 entirely, in the position of character wheel mint-mark 0 is recessed design, this moment, wheel 15 was surveyed in a position, survey wheel 16 for ten, survey wheel 17 for hundred, kilobit is surveyed wheel 18 and is through on the detection sensing shaft 20, surveyed under the effect of sensing shaft stage clip 19, four recessed places, position that wheel enters character wheel 0 respectively, surveying sensing shaft 20 moves downward, trigger release lever 21, it is invalid to make the self-supporting switch open valve handle 2 twisting, deficiency also just can't spur valve control backguy 24 so that self-supporting switch's balanced lever 23 is in equilibrium state, and valve is in closed condition.

When the user will store the data carrier 39 of buying the water yield information user data exchange control unit 33 of packing into, after injecting the data input jack of the pre-charges water meter that need not working power of the present utility model, the battery of user data exchange control unit 33 gives the central controller in inverted power motor and the speed reduction unit control circuit 32 34 power supplies, after central controller (can adopt PIC1673A) 34 powers on and stablizes, from data carrier 39, read the user and buy the tolerance data, judge after the legitimacy, with data storage in electric flash memory (can adopt Flash) 35, if data are legal, central controller 34 will drive triode 38 by power motor and utilize external power source to drive inverted power motor and speed reduction unit 31, inverted power motor and speed reduction unit 31 enter water meter inside by sealing axle sleeve 28, its motor driven gear 27 drives inverted counter wheel shaft gear 26,25 rotations of inverted counting wheel shaft, thereby drive 14 rotations of inverted counter wheel, be subjected to the 14 inner skewed slot effects of inverted counter wheel, inverted counter wheel 14 is to left dislocation, overcome main shaft character wheel retracing spring 13 elastic force, with ten counter wheels 8, hundred counter wheels 9, kilobit counter wheel 10 spurs left, break away from one's carry wheel 7, one's carry wheel 12 is subjected to locating stop piece 11 restrictions, can not move to left.Rotation along with inverted counter wheel 14, ten counter wheels 8 are rotated, ten counter wheels 8 whenever move a numeral, quite import ten cubic metres of water yields, inverted count detection switch 30 is used for counting, whenever move 8 one numerals of ten counter wheels, detector switch 30 is given central controller 34 by detecting signal of frizzen 29 effect outputs, and is reliable to guarantee importing data.After ten counter wheels 8 and counter backward rotation, concave point on ten counter wheels 8 is moved, this moment, ten detection wheels, 16 jack-up were surveyed sensing shaft 20 by jack-up, broke away from release lever 21, rotate self-supporting switch's handle 22 this moment, self-supporting switch's balanced lever 23 is subjected to release lever 21 effect, to anticlockwise and keep stable, the 23 pulling valves control backguys 24 of self-supporting switch's balanced lever, driving Leading valve 4, is that water passes through.

After the water yield data of user's purchase all are converted into oneself wheel demonstration of counter, inverted power motor and speed reduction unit 31 quit work, inverted counting wheel shaft 25 stops the rotation, be subjected to 13 effects of main shaft character wheel retracing spring, ten counter wheels 8, hundred counter wheels 9, kilobit counter wheel 10 returns show the water yield data of this purchase.

Water yield purchase data is restricted to ten and multiple, so inverted is ten counter wheels 8, does not just cause error in dipping at water to counter thereby do not influence the user.

When importing the water yield data of new purchase in the middle of the user is using, control system with ten counter wheel 8 inverteds of counter, surpasses ten buyers automatic carry when inverted automatically.Because of the new purchase volume inverted character wheel of system's basis, therefore can finish the demonstration that adds up of remaining data and new data automatically.

Isolating diode 36 in inverted power motor and the speed reduction unit control circuit 32 is used for isolated data protection electric capacity 37.When system just when the inverted counter is operated; if the user removes power supply or the energy content of battery when being not enough to drive system work; after the P1 mouth of central controller 34 detects, can utilize the energy of protection electric capacity 37 to protect the current data state automatically, treat to continue to finish the inverted operation when powering on once more.

The advantage that the utlity model has is: need not power supply and keep system works, therefore do not exist and disturb and number Unreliable problem according to the problem of losing and battery and voltage detecting circuit existence; With low cost, be fit to large quantities of Amount is applied.

Claims (6)

1, need not the pre-charges water meter of working power, comprise water meter case, by-pass valve control, impeller, counter assembly, it is characterized in that: also comprise the user data exchange control unit, inverted power motor and speed reduction unit control circuit, inverted power motor and speed reduction unit, probe portion, self-sustaining topworks, the output of user data exchange control unit connects inverted power motor and speed reduction unit control circuit as power supply signal, inverted power motor and the output of speed reduction unit control circuit connect inverted power motor and speed reduction unit, inverted power motor and speed reduction unit and counter assembly join, and counter assembly joins by probe portion and self-sustaining topworks.

2, the pre-charges water meter that need not working power according to claim 1, it is characterized in that: self-sustaining topworks comprises self-supporting switch and release lever, balance stem, control backguy, balanced lever is connected with the control backguy, the control backguy is connected with by-pass valve control, and the detection sensing shaft of self-supporting switch and release lever and probe portion offsets.

3, the pre-charges water meter that need not working power according to claim 1, it is characterized in that: counter assembly comprises groove that the detection wheel of inverted counter wheel, band and the probe portion of inner band rotary chute matches and several counter wheels from the low level to a high position, and inverted power motor and speed reduction unit are connected with the inverted counter wheel of being with rotary chute by inverted counting wheel shaft.

4, the pre-charges water meter that need not working power according to claim 1 is characterized in that: inverted power motor and speed reduction unit control circuit comprise central processing unit, be connected on the central processing unit output terminal joins with the triode that drives inverted power motor and speed reduction unit, with central processing unit and is used to store the electric flash memory of user's purchase data etc.

5, the pre-charges water meter that need not working power according to claim 4 is characterized in that: the isolating diode and the data protection electric capacity that are used for isolated data also being connected to of central processing unit two ends.

6, the pre-charges water meter that need not working power according to claim 1 is characterized in that: several detection wheels that probe portion is surveyed on the sensing shaft by being through from the low level to a high position are formed.