CN201420898Y

CN201420898Y - Cold-and-hot dual-purpose electric tap

Info

Publication number: CN201420898Y
Application number: CN2009203016400U
Authority: CN
Inventors: 张旭杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-03-26
Filing date: 2009-03-26
Publication date: 2010-03-10
Anticipated expiration: 2019-03-26

Abstract

The utility model discloses a cold-and-hot dual-purpose electric tap, comprising a water storage heating cavity, a heating module arranged in the water storage heating cavity, a power transfer controlcircuit (11), a leakage protection circuit (12), a silicon-controlled control heating circuit (13) for controlling heating power of the heating module, and a temperature control circuit (14) for controlling the operating mode of the silicon-controlled control heating circuit (13). A fluid sensing device (60) is arranged in a flow adjusting seat (40) which is connected with the water outlet end ofthe water storage heating cavity (50), and the water outlet end of the flow adjusting seat (40) is provided with a cold-and-hot separating valve core (70). The cold-and-hot dual-purpose electric tapcan be used reliably under leakage condition, thereby conveniently realizing transfer between cold water and hot water. The cold-and-hot dual-purpose electric tap is characterized by fast outlet of hot water, stable adjustment of water temperature, simple structure, convenient and effective operation.

Description

Cold, hot two-purpose type electric hot water tap

Technical field

The utility model relates to a kind of cold, hot two-purpose type electric heating water tap, relates in particular to a kind of cold, hot two-purpose type electric hot water tap with the magnetic water switch.

Background technique

Along with the raising of social development and living standards of the people, the tap water with natural temperature can not satisfy people's daily life needs, and the way of supplying water that hot and cold water is supplied with simultaneously more and more becomes the actual life target that people pursue.But most living areas still do not possess the heat supply water condition, or the heating equipment that is had is to utilize electric heating, combustion gas heating and solar energy heating mostly, as electric water heater, gas water-heater and solar water heater etc., generally several mode of heatings of this of Shi Yonging are owing to need to install particular device, and volume is bigger, install and the use inconvenience, cost an arm and a leg.Therefore a kind of simple in structure, convenient and practical, cold, hot two-purpose type electric heating water tap of not relying on the central heat supply drainage facility need be provided; Therefore the faucet mounted electric water heater also occurs, but substantially all be as the parts that trigger the electric heating tube heating with hydraulic pressure switch.Its working principle is that the pressure of water when flowing causes the reed distortion in the hydraulic pressure switch to be moved, and promotes the touch-switch action and makes circuit turn-on, the electric heating tube heating.This method is simple in structure, but reliability is relatively poor, especially uses the tired setting of reed material in the hydraulic pressure switch of back to cause water flowing no electric circuit or boiling water not to turn off power long-term, forms potential safety hazard, the reed of rubber mass then can wear and tear, and causes the hydraulic pressure switch inefficacy of leaking.

The day for announcing is that the granted patent ZL200620014637.7 on December 12nd, 2007 discloses a kind of faucet mounted electric water heater with the magnetic water switch, and it comprises a heating inner bag, an electric heating tube, a magnetic water switch; This electric heating tube is installed in heating inner bag inside; This magnetic water switch comprises a water switch cavity, a magnetic patch, a magnetic red pipe, a relay; This water switch cavity is installed in the below of this heating inner bag, and a water intake is offered in its bottom, and its top is communicated with this heating inner bag; This magnetic patch is installed in this water switch inside cavity; This magnetic red pipe is installed in the outside of this water switch cavity by apical position; This power supply, magnetic red pipe, relay, electric heating tube winding become a heater circuit.This kind faucet mounted electric water heater is finished beginning manufacture hot water's operation very easily, and the operational reliability height is therefore easy to adjust reliable, with low cost.But this water tap exists water temperature, power can't be according to use condition free adjustment control problem, does not also have the problem that detection of electrical leakage safety protection function etc. influences using effect simultaneously.

The model utility content

The utility model can not freely be controlled a kind of that present situation such as water-exit temperature provides and can control water-exit temperature according to the use condition free adjustment for solving existing electric heating water tap; water outlet is fast, has detection of electrical leakage safety protection cold, hot two-purpose type electric hot water tap safe in utilization.

The utility model is to solve the problems of the technologies described above the concrete technological scheme that is adopted to be: a kind of electric heating intelligent tap, comprise the water storage heating chamber and be located at the interior heating module of heating chamber, it is characterized in that also comprising: a main control circuit, comprise the power supply conversion control circuit that input 220V ac power supply is converted to D.C. regulated power supply, whether detect the alternating circuit part has the leakage protection circuit of electric leakage, the SCR control heater circuit of heating power control is provided for heating module, detect hot water temperature's temperature control circuit, the working state of SCR control heater circuit is controlled by temperature control circuit, and temperature control circuit comprises temperature sensing device; A current adjustment seat, the current adjustment seat is connected with the water outlet end of water storage heating chamber, establishes the fluid induction installation in the current adjustment seat, and the water outlet end of current adjustment seat is provided with cold-hot type and separates spool.Product can be in the incoming transport power supply automatic inspection line road electric leakage situation, judge not exist just to start the governor circuit trouble free service under the electric leakage situation, improved safety in utilization; Simultaneously be adjusted to needed hot water temperature automatically according to streamflow regime and hot water temperature's situation, can control heating water temperature free adjustment in being lower than 60 ℃ of scopes, can not scald heating power can regulate and to go out hot water speed fast, do not waste cold water, use adjusting easy to operate effectively.

As preferably, the SCR control heater circuit comprises controllable silicon and is connected adjustable potentiometer, relay on the thyristor gating circuit that the silicon controlled anode inserts copper heating chamber power supply by the relay switch of leakage protection circuit.Adopt SCR control to add heat energy and improve reliability to a greater extent, realize the electrodeless adjustment of heating power, and volume is little, cost is low, is easy to and the incorporate advantage of tap main body.

As preferably, temperature control circuit comprises intergrated circuit and is connected the thermistor of intergrated circuit input pin and is connected the triode of intergrated circuit output pin.The control of thermistor and temperature control intergrated circuit makes the temperature control of product, protection more reliable and more stable, and hot water temperature's situation according to actual needs freely adjusts and is controlled in 60 ℃ of scopes.

As preferably, the fluid induction installation comprise can be in magnet paths free sliding magnet and be arranged on dry reed-pipe in the passage wall body of magnet paths lower end; The fluid induction installation is provided with the step that shrinks to channel center at the passage place at the close dry reed-pipe place, lower end of its magnet paths, and dry reed-pipe is located in the wall body of passage lower end.The control structure of dry reed-pipe makes the product structure volume develop to littler direction volume, has also further improved the Stability Control to current, hydraulic pressure simultaneously, improves control accuracy, is quick on the draw.

As preferably, cold-hot type separates spool and comprises and be arranged on orienting water hole, hot water inlet hole, cold water inlet hole and being arranged on moving position osculum on the moving seat of spool in the spool reservation, also further improved adjustable scope on structure, adjusting function is reliable and stable.

As preferably, be provided with mounting hole near junction point on the current adjustment seat with copper heating chamber water outlet, pedestal is provided with faucet outlet.Thermistor and dry reed-pipe are embedded in the mounting hole of current adjustment seat.In this position mounting hole is set, has further improved collection, detected the accuracy of control accuracy.

As preferably, the outer sheathed fixed base of current adjustment seat, fixed base is provided with the mounting groove of mounting hole contraposition and can places the cavity that cold-hot type separates spool, the fixed base port is provided with the end that is located by connecting, cold-hot type separates spool and is embedded in cavity, and cold-hot type separates the valve end face of spool at the inner place of cavity.Cold-hot type separates spool and the current adjustment seat realizes jointly to current, hydraulic pressure, the collection of water temperature information, adjusting.Simple in structure effective.

As preferably; the water storage heating chamber is the copper material structure; its heating chamber water outlet port is connected with the end that is located by connecting of fixed base, and the cavity of water storage heating chamber is arranged with outer protection tube outward, and main control circuit and water storage heating chamber and silicon carbide heating module thereof all are arranged in the outer protection cylindrical shell.Structure makes product carry out the cylindrical shell of an integral body of step formation, effectively succinct, and the power of silicon carbide heating module can freely be controlled according to actual use condition simultaneously, and hot water effluent's speed can not wasted cold water, water temperature stability soon.

The beneficial effects of the utility model are: can use electric hot water tap safely under the situation that detects electric leakage, realize hot water or cold water's control transformation very easily, hot water effluent's speed is not soon, can waste cold water, hot water temperature and heating power all can be according to using the control of actual conditions free adjustment, water temperature stability, simple in structure, convenient to operation effective.

Description of drawings:

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.

Fig. 1 is the principle block diagram of the preferred implementation of the utility model cold, hot two-purpose type electric hot water tap.

Fig. 2 is the circuit theory diagrams of the preferred implementation of the utility model cold, hot two-purpose type electric hot water tap.

Fig. 3 is the reed switch contact disrupted configuration schematic representation of the utility model cold, hot two-purpose type electric hot water tap.

Fig. 4 is the reed switch contact closing structure schematic representation of the utility model cold, hot two-purpose type electric hot water tap.

Fig. 5 is the cold-hot type seperating vale cored structure schematic representation of the utility model cold, hot two-purpose type electric hot water tap preferred implementation.

Fig. 6 is the preferred implementation current adjustment seat structural representation of the utility model cold, hot two-purpose type electric hot water tap.

Fig. 7 is the optimal way current adjustment seat fixed seat structure schematic representation of the utility model cold, hot two-purpose type electric hot water tap.

Fig. 8 is the current adjustment seat and the fixed base assembly structure schematic representation thereof of the preferred implementation of the utility model cold, hot two-purpose type electric hot water tap.

Embodiment

Fig. 1, among the embodiment 1 shown in Figure 2, a kind of electric heating intelligent tap, comprise water storage heating chamber 50 and be located at the interior heating module 51 of heating chamber, main control circuit 10, comprise the power supply conversion control circuit 11 that input 220V ac power supply is converted to D.C. regulated power supply, whether detect the alternating circuit part has the leakage protection circuit 12 of electric leakage, the SCR control heater circuit 13 of heating power control is provided for heating module 51, detect hot water temperature's temperature control circuit 14, the working state of SCR control heater circuit 13 is subjected to temperature control circuit 14 controls, and temperature control circuit 14 comprises temperature sensing device 30; Current adjustment seat 40, current adjustment seat 40 is connected with the water outlet end of water storage heating chamber 50, establishes fluid induction installation 60 in the current adjustment seat 40, and the water outlet end of current adjustment seat 40 is provided with cold-hot type and separates spool 70.Power supply conversion control circuit 11 becomes the 12V DC electrical source to provide working power for governor circuit work through transformer T step-down, D1～D4, C1, C2 rectifying and wave-filtering, IC1, C3, C4 voltage regulation of voltage regulation the 220V ac power supply; The detection input pin P2 of the IC 3 of leakage protection circuit 12 is connected the P3 pin of its IC3 of back by resistance R 7 ground connection with the L utmost point of ac power supply; its IC3 detects output pin P4 and is connected with triode Q2 base stage simultaneously by inserting the collector electrode of triode Q2 behind resistance R 8 and relay K 1 coil; the collector electrode of triode Q2 is by the out-put supply 12V output terminal of relay K 1 coil access power supply conversion control circuit 11, and the P3 pin of the emitter of triode Q2 and IC 3 is connected with the ground of power control circuit.The adjustable potentiometer RT that described SCR control heater circuit 13 comprises controllable silicon SCR and is connected the resistance R 4 on the thyristor gating circuit and contacts with R4, diode D6, R5 inserts the silicon controlled trigger electrode, capacitor C 5 is connected between adjustable potentiometer RT and the diode D6 and inserts the negative electrode of controllable silicon SCR with relay K 2 polyphones, R6, C6 series connection back also is connected between controllable silicon SCR anode and the negative electrode, the anode of controllable silicon SCR inserts the L utmost point of copper heating chamber supply and AC power supply by the relay switch K1 of leakage protection circuit 12, connect with silicon nitride heating module EH in the copper water storage heating chamber N utmost point of access supply and AC power supply of the negative electrode of controllable silicon SCR; Heat at L, the N of realization ac power supply and access silicon nitride heating module EH two ends after the controllable silicon conducting.Described temperature control circuit 14 comprises 8751 ICs 2 and is connected the thermistor R2 and the triode Q1 that is connected 8751 ICs, 2 output pin P4 of 8751 ICs, 2 input pin P2; the base stage of triode Q1 meets the output pin P4 of IC2; insert the output direct current 12V power supply of power supply conversion control circuit 11 behind E utmost point serial connection relay K 2 coils of triode Q1 by dry-reed tube switch 20, relay K 2 coil two ends also connect diode protection triode Q1.Described fluid induction installation 60 comprise can be in magnet paths 61 free sliding magnet 62 and be arranged on dry reed-pipe 20 (see figure 3)s in the passage wall body of magnet paths 61 lower ends.Fluid induction installation 60 is provided with step 63 (see figure 4)s of shrinking to channel center at the passage place at close dry reed-pipe 20 places, lower end of its magnet paths 61, step 63 restriction magnet 62 downslide positions under action of gravity in magnet paths 61, dry reed-pipe 20 is located in the wall body of passage lower end, magnet 62 is not having under the flow action, glide in action of gravity and to drop on step locational the time, dry reed-pipe 20 is subjected to its contact switch of magnet 62 the action of a magnetic fields to be in off state, in the time of flow action, magnet 62 moves to rising in slideway under the current impetus, leave dry reed-pipe, the dry-reed tube switch make contact.Described cold-hot type separates spool 70 (see figure 5)s and comprises and be arranged on orienting water hole 72, hot water inlet hole 73, cold water inlet hole 74 and being arranged on moving position osculum 75 on the moving seat of spool in the spool reservation, the position of osculum 75 in the spool reservation, the moving position of change, the temperature of control hot and cold water.Be provided with mounting hole 44 (see figure 6)s near junction point on the described current adjustment seat 40 with water storage heating chamber 50 water outlets, pedestal is provided with faucet outlet 45, install and fix thermistor 30 and dry reed-pipe 20 in the mounting hole 44, detect the flow and the temperature conditions adjustment control main circuit of water and partly control the controllable silicon heater circuit.Described current adjustment seat 40 outer dress fixed base 80 (see figure 7)s, fixed base 80 is provided with the mounting groove 81 of mounting hole 44 contrapositions and can places the cavity 85 that cold-hot type separates spool 70, fixed base 80 ports are provided with the end 83 that is located by connecting, cold-hot type separates spool 70 and is embedded in cavity 85, and the cold-hot type valve end face 71 that separates spool 70 the end face 46 of cavity 85 inner places and current adjustment seat 40 relative to.Thermistor R2 and dry reed-pipe 20 are embedded in the mounting hole 44 of current adjustment seat 40, detect controlled water flow and water temperature state, and the hot water temperature can be controlled in 60 ℃ of scopes according to actual use condition.The heating chamber water outlet port of described copper water storage heating chamber 50 and heating module 51 thereof is connected with the end 83 that is located by connecting of fixed base 80; the power of its silicon carbide heating module EH can freely be adjusted control according to actual use condition; water storage heating chamber 50 is the copper material structure; its heating cavity is arranged with outer protection tube outward; main control circuit 10 all is arranged in the outer protection cylindrical shell with water storage heating chamber 50 and heating module 51 thereof; form the clean and tidy cylindrical shell of an integral body, heating module 51 is a silicon carbide heating module structure.

Among Fig. 1, the embodiment 2 shown in Figure 2, described current adjustment seat 40 adopts the overall structure production method with being connected of outer fixing seat 80, and other is identical with embodiment 1.

The circuit working principle of this electric hot water tap is: connect and be ac power supply B; system detects the electric leakage situation; when between ac power supply 220V live wire and protection ground wire electric leakage taking place (during 10mA≤I≤15mA); leakage current is after R7 and IC3 detect, compare, and 3 pin and 4 pin of IC3 are on state, and this moment, 4 pin of IC3 were low level; Q2 ends; relay K 1 dead electricity disconnects, thereby has cut off the alternating current 220V power supply of load, has realized creepage protection function..Do not have in system product under the situation of electric leakage, 3 pin, 4 pin of IC3 are open-circuit condition, and 4 pin draw on R8, are high level, Q2 conducting this moment, and K1 gets electric adhesive, for the controllable silicon SCR power regulation circuit provides indispensable power supply; After the work of transformer T energising simultaneously, the alternating current 220V power supply is reduced to interchange 15V, after the rectification circuit rectification via D1～D4 composition,, obtain the 12V DC electrical source of complete machine proper functioning again by C1～C4 filtering, IC1 voltage stabilizing; The 12V VDC is supplied with IC2 after R1 dividing potential drop current limliting, the bleeder circuit of being made up of thermistor R2 and conventional, electric-resistance R3 is as the input source of IC2. when the 2 pin voltage of IC2≤1.2V, the 4 pin output low levels of IC2, the Q1 conducting, relay K 2 electric adhesive; On the contrary, when the 2 pin voltage of IC2 〉=1.6V, the 4 pin output high level of IC2, Q1 ends, and relay K 2 dead electricity disconnect, thereby the heat protection function of product is achieved; Change the resistance of R3, the scope that the can regulate temperature is set; After K2 connected, the silicon controlled power modulation circuit entered normal working, and the T1 utmost point of SCR directly links to each other with the alternating current 220V live wire; The T1 utmost point is connected on the alternating current 220V zero line through resistance type silicon nitride heating sheet, the charge-discharge circuit of being made up of R4, RT and C5 provides trigger current through D6, R5 for the control utmost point G utmost point of SCR, make the SCR conducting. change the resistance of adjustable resistance RT, can change the time constant that discharges and recharges of C5, thereby reach the purpose that changes the SCR angle of flow, realize the effect of electrodeless power regulating function.Simultaneously when water storage heating chamber 50 and be located in the heating module 51 in the heating chamber not when cold water A is inserted in the water route from the beginning, there are not current to pass through in the copper water storage heating chamber, anhydrous flowing in the current adjustment seat 40, magnet 62 in the magnet paths 61 is avaled near normally closed dry reed-pipe 20 (see figure 3)s by gravity factor own, this moment, normally closed dry reed-pipe was disconnected by magnetic induction, and main control circuit quits work; In current adjustment seat 40, there are current out-of-date, magnet 62 in the magnet paths 61 is subjected to impact of water away from normally closed dry reed-pipe 20 (see figure 4)s, this moment, normally closed dry reed-pipe was not subjected to the magnetic induction closure, main control circuit is started working, control controllable silicon SCR heater circuit heats the silicon carbide heating module EH in the copper water storage heating chamber, regulates flow control valve this moment, regulate hot and cold water outlet, and arrive temperature control circuit 14 in the temperature detection Information Monitoring of the temperature of hot water being carried out by thermistor 20.The working state in water route is simultaneously: adjust the position (see figure 5) of moving position osculum 72 in the spool reservation that cold-hot type separates the moving seat of spool 70 upper valve cores, can regulate hot water or cold water's water outlet: when the moving position osculum 72 on the moving seat of spool not when hot and cold osculum in the spool reservation is communicated with, water tap is not for going out water state at this moment; When the moving position osculum 72 on the moving seat of spool when hot water effluent hole 73 in the spool reservation is communicated with, water tap is for going out hot water C state at this moment; When the moving position osculum 72 on the moving seat of spool when cold water osculum 74 in the spool reservation is communicated with, water tap is the state that cold water A at this moment.

Claims

1. a cold, hot two-purpose type electric hot water tap comprises water storage heating chamber (50) and is located at the interior heating module (51) of heating chamber, it is characterized in that also comprising:

Main control circuit (10), described main control circuit (10) comprise with input 220V ac power supply convert to D.C. regulated power supply power supply conversion control circuit (11), detect the alternating circuit part and whether have the leakage protection circuit (12) of electric leakage, for heating module (51) provide heating power control SCR control heater circuit (13), detect hot water temperature's temperature control circuit (14), the working state of SCR control heater circuit (13) is subjected to temperature control circuit (14) control, and temperature control circuit (14) comprises temperature sensing device (30);

Current adjustment seat (40), described current adjustment seat (40) is connected with the water outlet end of water storage heating chamber (50), establishes fluid induction installation (60) in the current adjustment seat (40), and the water outlet end of current adjustment seat (40) is provided with cold-hot type and separates spool (70).

2. according to the described cold, hot two-purpose type of claim 1 electric hot water tap; it is characterized in that: described SCR control heater circuit (13) comprises controllable silicon (SCR) and is connected adjustable potentiometer (RT), relay (K2) on the thyristor gating circuit that the anode of controllable silicon (SCR) inserts water storage heating chamber power supply by the relay switch (K1) of leakage protection circuit (12).

3. according to the described cold, hot two-purpose type of claim 1 electric hot water tap, it is characterized in that: described temperature control circuit (14) comprises intergrated circuit (IC2) and is connected the thermistor (R2) of intergrated circuit (IC2) input pin (P2) and is connected the triode (Q1) of intergrated circuit (IC2) output pin (P4).

4. by according to the described cold, hot two-purpose type of claim 1 electric hot water tap, it is characterized in that: described fluid induction installation (60) comprise can be in magnet paths (61) free sliding magnet (62) and be arranged on dry reed-pipe (20) in the passage wall body of magnet paths (61) lower end.

5. according to the described cold, hot two-purpose type of claim 4 electric hot water tap, it is characterized in that: the passage place that described fluid induction installation (60) is located near dry reed-pipe (20) in the lower end of its magnet paths (61) is provided with the step (63) that shrinks to channel center, and dry reed-pipe (20) is located in the wall body of passage lower end.

6. according to the described cold, hot two-purpose type of claim 1 electric hot water tap, it is characterized in that: described cold-hot type separates spool (70) and comprises and be arranged on orienting water hole (72), hot water inlet hole (73), cold water inlet hole (74) and being arranged on moving position osculum (75) on the moving seat of spool in the spool reservation.

7. according to the described cold, hot two-purpose type of claim 1 electric hot water tap, it is characterized in that: described current adjustment seat (40) goes up near the junction point with water storage heating chamber (50) water outlet and is provided with mounting hole (44), and pedestal is provided with faucet outlet (45).

8. according to claim 1 or 7 described cold, hot two-purpose type electric hot water taps, it is characterized in that: described current adjustment seat (40) peripheral hardware fixed base (80), fixed base (80) is provided with the mounting groove (81) of mounting hole (44) contraposition and can places the cavity (85) that cold-hot type separates spool (70), fixed base (80) port is provided with the end (83) that is located by connecting, cold-hot type separates spool (70) and is embedded in cavity (85), and cold-hot type separates the valve end face (71) of spool (70) at the inner place of cavity (85).

9. according to claim 1 or 3 or 4 described cold, hot two-purpose type electric hot water taps, it is characterized in that: described thermistor (R2) and dry reed-pipe (20) are embedded in the mounting hole (44) of current adjustment seat (40).

10. according to claim 1 or 2 or 3 or 4 or 6 or 7 described cold, hot two-purpose type electric hot water taps; it is characterized in that: described water storage heating chamber (50) is the copper material structure; its heating chamber water outlet port is connected with the end (83) that is located by connecting of fixed base (80); the cavity of water storage heating chamber (50) is arranged with outer protection tube outward; main control circuit (10) all is arranged in the outer protection cylindrical shell with water storage heating chamber (50) and heating module (51) thereof, and heating module (51) is a silicon carbide heating module structure.