CN2220037Y - Tap with electric water heater - Google Patents

Abstract

The utility model belongs to a tap with an electric water heater for heating main water from the tap, which comprises a tap main water heater and a safety circuit controller. The utility model is characterized in that the tap main water heater adopts a guide socket which is matched with a plug of the safety circuit controller, and the guide socket uses three copper strips as conductor wires; the electric heating elements are a big, a middle and a small heating cups; the safety circuit controller adopts a current switch composed of a dry reed diode and a coil to control circuits through a self-locking and self-braking circuit, adopts an anti-leak phase reorganization protection circuit composed of a bidirectional thyristor, etc., adopts a gear dividing switch in a main heating circuit, etc., so that the water-out temperature of the tap with an electric water heater can be freely regulated between 30 DEG C and 70DEG. C. The utility model can be freely opened when used at any time; cutting off water and cutting electricity are simultaneously carried out; the utility model has the advantages of convenient operation and high safety without the hidden troubles of electric shock and electric leakage.

Description

The tap electric heater

The utility model relates to a kind of electric heater that family provides hot water that can be used as.Particularly a kind of tap electric heater of temp .-regulating type security control.

The electric heater that the past people use mostly is heating water storage type greatly, must dispose special water container, and volume is big, cost is high, wait the long time, and water can be heated to a certain degree, and the water yield is limited, and the water time is restricted, very inconvenience.So, a kind of water tap electric heater has appearred in the market, and its quick heating as long as open water valve from the beginning, just can go out hot water endlessly, and low price, is subjected to user's welcome deeply.But these tap electric heaters adopt general civilian electric wire and heating to join mostly, and do not adopt the safety circuit controller, so cause the trouble of electric shock and electric leakage easily, very dangerous, damage easily, can not regulate water temperature again, and under the voltage instability stable condition, bad use.

The purpose of this utility model is at above-mentioned shortcoming, and a kind of adjustable water saving temperature is provided, and also can regulate use under the situation of voltage instability, and the i.e. outage of cutting off the water not have the trouble of electric shock and electric leakage and has the tap electric heater of safety circuit controller.

The technical solution of the utility model comprises leading running water heater and safety circuit controller two partly.

1, tap running water heater comprises the chipware 1 that is provided with socket 2, the top of core body 1 is provided with the intake antrum 4 that can join by leading securing member 3 and leading delivery port, intake antrum 4 is provided with heating chamber 5 with core body 1 bottom and is communicated with, insulation shell 6 is adopted in the outside of heating chamber 5, lower part of frame has a delivery port 7, it is characterized in that the socket 2 on the heater core 1 is guide socket, three copper bars (8 ', 8 "; 8 ) inject core body 1 as the socket lead; and respectively with heating chamber 5 in three of heatings little (interior); in; big (outward) heating glass (9 '; 9 " 9 ) contact, wherein, middle heating cup 9 " with the leads 8 of phase-connecting wire " joins, in, outer two heating cups (9 ', 9 ) the connecting to neutral line (8 ', 8 ).

2, patch on mains supply and be used for controlling the safety circuit controller of running water heater, mainly recognized by leakproof and touch operating circuit mutually, autotomy (the i.e. outage of cutting off the water supply) control loop circuit and heating major loop operating circuit of self-locking formed.Leakproof is recognized and is touched operating circuit mutually mainly by bidirectional thyristor VS ₁Connect with relay J and at bidirectional thyristor VS ₁Control utmost point G and the ground connection of running water own between insert a current-limiting resistance R ₁And form.Self-locking self-breaking circuit mainly adopts dried spring diode K ₂With around dried spring diode K ₂On the adhesive, the disconnection that come the control relay normally opened contact by self-locking self-breaking circuit of the current switch formed of coil L.Two normally opened contacts on the relay J of heating major loop operating circuit are connected on respectively on the end of the end of heating R and coil L, and the other end of the other end of coil L and heating R joins.

The utlity model has following some advantage.1, adopt leakproof to recognize the phase holding circuit, directed plug, socket make the long-term ground connection of running water pipe, and the also long-term connecting to neutral of zero-power line is dual fail-safe, do not get an electric shock and the trouble of electric leakage.2, use import SUS ₃₀₄L ₂B stainless steel speed hot material manufacturing heating cup, the water outlet heating is fast, uses with the opening, and mixes step switch K again, the water temperature of water outlet can be adjusted in arbitrarily between 30-70 ℃, and under the situation of voltage instability, can conveniently regulate use.3, adopt dried spring diode K ₂The current switch of forming with coil L comes control relay adhesive, disconnection by self-locking self-breaking circuit, makes the tap electric heater only could connect power supply when current are arranged, and the i.e. outage of cutting off the water supply prevents the dry combustion method phenomenon, prolongs to use and receives a mandate.Advantages such as in addition, the utility model also has little, the low price of volume, and is easy for operation.It is the desirable hot-water heater in family, hotel, barber shop, restaurant.

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

The structural representation of the leading running water heater of Fig. 1.

Fig. 2 is the directed plug contour structures front view on the safety circuit controller.

Fig. 3 is the directed plug cross-section front view on the safety circuit controller.

Fig. 4 is the circuit theory diagrams of safety circuit controller.

Fig. 5 is the self-locking self-breaking circuit schematic diagram of the another kind of embodiment of safety circuit controller.

As shown in Figure 1, leading running water heater comprises heater core 1, guide socket 2, leading securing member 3, intake antrum 4, heating chamber 5, insulation shell 6, delivery port 7 etc.Guide socket 2 is 2mm by the cross section ²Copper bar form a typing shape as three leads (8 ', 8 ", 8 ) inject insulation core body 1 and form.The three flat copper line terminals of revealing in the guide socket mouth (8 ', 8 ", 8 ); have below in the socket mouth two convex static lines 10 just in time with controller on directed plug matrix holddown groove 17 coincide (as shown in Figure 2); being that plug insertion socket must be to be defined as a direction; can not transfer mistake is other direction; that is to say middle that root lead 8, " must join with the phase line on the controller, zero line, ground wire on two leads on both sides (8 ', 8 ) and the controller join; In the heating chamber 4 three be provided with several osculums 11 little (interior), in, big (outward) heating cup (9 ', 9 ", 9 ) be tightened on the tower core body below the core body 1; and contact with three leads that inject core body respectively; wherein; middle heating cup 9 " with phase line lead 8 " contact; generate heat glass (9 ', 9 ) and zero line lead (8 ', 8 ) of little (interior), big (outward) contacts; just form heat-generating system after switching on by water, its operation principle is that to utilize water be to conduct electricity the coal body loop to generate heat.When the thickness of large, medium and small heating cup is 1m, it is of a size of the long 16mm of cuvette, external diameter 36mm; Middle cup long 30mm, external diameter 41mm; When the long 39mm of mug, external diameter 46mm, wherein heating cup is 1.9-2.1mm with the gap of little (interior) heating cup, big (outward) heating cup, if the size of large, medium and small heating cup becomes big or diminishes, its gap also along with change greatly or diminish and change.The top opening part of insulation crust 6 be provided with a concave groove that is used for placing sealing ring 12 and screw thread just in time with core body 1 screwing hermetic.Be covered with a water cover 13 that is provided with many tiny osculums on the delivery port 7 below insulation crust 6, leading fastener mainly is made up of leading Sealed casing pipe 14, adapter sleeve 15, fastening cap 16 etc.

Patch as shown in Figure 4 on mains supply and be used for controlling the safety circuit controller of leading running water heater, mainly recognize and touch autotomy (the i.e. outage of cutting off the water supply) control loop circuit and heating major loop operating circuit of operating circuit, self-locking mutually and form by leakproof.(1) leakproof shown in the A among Fig. 4 is recognized and is touched operating circuit mutually mainly by bidirectional thyristor VS ₁Connect with relay J, and at bidirectional thyristor VS ₁Control utmost point G and the ground connection of running water own between series connection insert a current-limiting resistance R ₁And form.Its operation principle is: when mains supply access security circuit controller, and the directed plug of controller when inserting the guide socket of leading running water heater (just from mains supply to safety circuit device controller until leading running water heater line identification when connecting), because of the ground connection of running water own, the running water internal resistance is by current-limiting resistance R ₁Trigger crawl bidirectional thyristor VS ₁Control utmost point G, bidirectional thyristor VS ₁Conducting, the relay J adhesive, electric current is by the heating of running water heater; If the plug wrong plug of safety circuit controller and running water heater direction, when outer heating glass is started to exchange fire line, will produce electric leakage.Therefore the plug and socket of safety circuit controller and running water heater is necessary for orientation.(2) operating circuit of autotomying of the self-locking shown in B among Fig. 4 mainly adopts dried spring diode K ₂With around dried spring diode K ₂On coil L form current switch, dried spring diode K ₂With current-limiting resistance R ₂Series connection back and bidirectional thyristor VS ₁Parallel connection, series connection is on relay J, and at bidirectional thyristor control G and electrode (T again ₁) between insert a capacitor C ₁, capacitor C ₁For misoperation is used.Its principle is: because coil L is connected on the heating major loop, when opening running water valve, when the tap electric heater was connected power supply, the running water heater generated heat, and electric current reaches more than the 4A, and electric current produces magnetic field, dried spring diode K by coil L ₂Conducting, electric current is through current-limiting resistance R ₂Trigger bidirectional thyristor VS ₁Control utmost point G ₁, bidirectional thyristor VS ₁Work, the normally opened contact adhesive self-locking of relay, electric current generates heat by electric heater.When turning off running water valve and cut off the water supply, its heating major loop does not have loop current, and this moment, tap electric heater electric current dropped to below the 4A, and current coil L does not have magnetic field and produces dried spring diode K ₂Often open the relay J outage.(3) the adjustable heating major loop operating circuit shown in the C among Fig. 4: two normally opened contacts on the relay J are connected on respectively on the end of the end of heating major loop heating R and coil L, and the other end of the other end of coil L and heating R joins.And relay J and the negative thermal element R that disconnects (R ', R ", R ) join between series connection insert a third gear switch K (K ', K ", K ).Its operation principle is, when K switch " " work when position is connected (when switch is beaten lock O shelves); heating R ', R at K, heat heat cup 9 just " with big (outward) heating cup 9 heatings (also claiming the major loop heating); and little (interior) heating cup 9 ' not generates heat; this moment can be under the higher situation of voltage, and it is minimum that water temperature is adjustable; When K switch is connected in K position (when switch is beaten to 2 grades), heating R ', R ", R works, just big (outward), middle or small (interior) heating cup all generate heats (we claim major loop, assist the loop all generate heat), water temperature is adjustable the highest at this moment; When K switch is connected in K ' position (when switch is beaten to 1 grade), because after the adjusting of diode D, reduced the negative loop current of cutting of heating R , though glass also all generate heat this moment big (outward), middle or small (interior) three heatings, water temperature to have reduced uniform temperature be middle-grade.Step switch K is mainly used in when voltage instability and regularly is used for regulating the water temperature effect in addition.

Fig. 5 is the autotomy embodiment of operating circuit of the another kind of self-locking of safety circuit controller of the present utility model.The dried spring diode K of the same employing of this circuit same as above ₂With around dried spring diode K ₂On coil L form current switch, its circuit connects and is: dried spring diode K ₂With current-limiting resistance R ₂Series connection back and unidirectional thyristor VS ₂In parallel, and then with series connection after rectifier is in parallel on relay J, its operation principle is similar for the operating circuit of autotomying with top described self-locking, promptly when open from the beginning water valve, when electric heater is connected power supply, the heating of running water heater, electric current reaches more than the 4A, and electric current produces magnetic field, normally closed dried spring diode K by coil L ₂Conducting, electric current is through current-limiting resistance R ₂Trigger unidirectional thyristor VS ₂Work, again through the capacitor C coupling, to rectifier output, relay adhesive self-locking, electric current generates heat by electric heater; When turning off water valve from the beginning, no magnetic field produces, dried spring diode K ₂Often open unidirectional thyristor VS ₂End, the relay outage disconnects, the outage of running water heater.

These two kinds of embodiment, relay adopts JQX-12A type, bidirectional thyristor VS ₁Be MAR ₉₇A ₆Type, unidirectional thyristor VS ₂Be the MCR100-6 type, coil L is φ 5mm * Q0.9mm * 2 and 6 circles, dried spring diode K ₂, rectifier, capacitor C, metalfilmresistor R ₁And R ₂, trigger switch K ₁, red and green luminous pipe LED ₂, LED ₂, step switch K, all electronic devices and components are mutually to be electrically connected in the box that is installed in the safety circuit controller, the box of controller is provided with an attaching plug and a directed plug (as Fig. 2, shown in Figure 3) that is used for patching the running water heater.

Using method of the present utility model is: at first leading Sealed casing pipe 14, adapter sleeve 15, fastening cap 16 etc. are enclosed within above the water tap, water inlet 4 with running water heater core 1 is enclosed within on the leading sealed tube 14 then, put adapter sleeve 15 earlier, revolve in the direction of the clock with fastening cap 16 at last leading running water heating is tightened on tap, and then the safety circuit controller is inserted on the 220V mains supply, at this moment red indicator lamp LED ₁Bright expression is switched on, more directed plug is inserted the guide socket 2 of the core body of leading running water heater, opens water valve, touches safety circuit controller touch-switch K with finger ₁, green indicator lamp LED ₂Bright, expression tap electric heater is worked (as green indicator lamp LED ₂Do not work, represent the attaching plug wrong plug direction in the safety circuit control, this moment, leading electric heater was not worked, and did not go out hot water, this plug please be inserted toward rightabout), 2-3 second, interior running water promptly was converted into hot water endlessly.The hot water water temperature can be regulated arbitrarily by size and the third gear switch K that opens water valve between 30-70 ℃.Generally when line voltage 220V is above, can open toward 0 grade; On the low side when 200V is following as voltage, please open toward 1 grade or 2 grades; The end, can not use when 170V.

Claims (8)

1, it comprises leading running water heater and safety circuit controller two partly a kind of tap electric heater: (1) leading running water heater comprises the core body 1 that is provided with socket 2, the top of core body 1 is provided with the intake antrum 4 that can join by leading securing member 3 and faucet spout, intake antrum 4 is communicated with the heating chamber 5 that core body 1 bottom is provided with, the outside of heating chamber 5 adopts the bottom to have the insulation shell 6 of a delivery port 7, it is characterized in that the socket on the core body 1 is a guide socket, three copper bars (8 ', 8 "; 8 ) as the lead of socket inject core body 1 and respectively with heating chamber 5 in three of heatings little; in; big heating cup (9 '; 9 " 9 ) contact, heating cup and 9 wherein " with the lead 8 of phase-connecting wire " joins, little heating cup and big heating cup (9 ', 9 ) respectively with the lead of zero line (8 ', 8 ) join; (2) the safety circuit controller that patches on mains supply and be used for controlling leading running water heater has a directed plug, and it is mainly recognized by leakproof and touches autotomy control loop operating circuit and heating major loop operating circuit of operating circuit, self-locking mutually and form; Leakproof is recognized and is touched operating circuit mutually mainly by bidirectional thyristor VS ₁Connect with relay J and at VS ₁Control utmost point G ₁And series connection inserts a current-limiting resistance R between the ground connection of running water own ₁And form; The self-locking control loop of autotomying mainly adopts dried spring diode K ₂With around dried spring diode K ₂On the adhesive, the disconnection that come the normally opened contact of control relay J by self-locking self-breaking circuit of the current switch formed of coil L; Heating major loop operating circuit, two normally opened contacts on the relay J are connected on respectively on the end of the end of heating major loop heating R and coil L, and the other end of the other end of coil L and heating R joins.

2, tap electric heater according to claim 1 is characterized in that the self-locking control loop circuit of autotomying can adopt 1. dried spring diode K ₂With current-limiting resistance R ₂Series connection back and bidirectional thyristor VS ₁Parallel connection, series connection maybe can be adopted 2. dried spring diode K on the disconnection relay J again ₂With current-limiting resistance R ₂Series connection back and unidirectional thyristor VS ₂Parallel connection, and then with series connection after rectifier is in parallel on relay J.

3, tap electric heater according to claim 1 and 2, it is characterized in that little, in, big heating (9 ', 9 ", 9 ) adopt SUS ₃₀₄L ₂The B stainless steel material is made.

4, tap electric heater according to claim 1 and 2, it is characterized in that between the normally opened contact of relay J of heating main loop circuit and heating R connect series connection insert a step switch K (K ', K ", K ).

5, tap electric heater according to claim 3, it is characterized in that between the normally opened contact of relay J of heating main loop circuit and heating R connect series connection insert a step switch K (K ', K ", K ).

6, tap electric heater according to claim 1 and 2 is characterized in that leading securing member mainly is made up of leading Sealed casing pipe 14, adapter sleeve 15, fastening cap 16.

7, tap electric heater according to claim 3 is characterized in that leading securing member mainly is made up of leading Sealed casing pipe 14, adapter sleeve 15, fastening cap 16.

8, tap electric heater according to claim 4 is characterized in that leading securing member mainly is made up of leading Sealed casing pipe 14, adapter sleeve 15, fastening cap 16.

9, tap electric heater according to claim 5 is characterized in that leading securing member mainly is made up of leading Sealed casing pipe 14, adapter sleeve 15, fastening cap 16.

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