CN2529125Y

CN2529125Y - Portable electric water heater

Info

Publication number: CN2529125Y
Application number: CN 02230180
Authority: CN
Inventors: 王景贤
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-03-27
Filing date: 2002-03-27
Publication date: 2003-01-01
Anticipated expiration: 2012-03-27

Abstract

The utility model relates to a household appliance, in particular to a household electric water heater, comprising a shell, a heating device, an isolation phase-selection circuit, a water temperature adjusting circuit, a water inlet valve, etc. Without requirement of repeated grounding, the water quantity and water temperature can be independently adjusted; the volume is small, the connection is convenient, without requirement of pre-heating; the utility model can be used at once when the connection is carried out and is a washing shower electric water heater suitable for household and travel.

Description

Portable electric heater

One, technical field: the utility model relates to a kind of household electrical appliance, relates in particular to a kind of domestic, electric water heater.

Two, background technology: domestic condenser type water heater early has production, and its power is big, must preheating, and the energy does not have middle loss, and volume is little; But the condenser type water heater needs multiple grounding to guarantee safety, and the adjusting of water temperature pins down mutually with the variation of the water yield, can be used widely.

Three, summary of the invention: the purpose of this utility model is to overcome the deficiency that the condenser type water heater needs the trouble of multiple grounding and water temperature and the water yield to pin down mutually in adjusting, provide a kind of water temperature, the water yield all can regulate separately, can not need the novel portable electric heater of multiple grounding.

The utility model is a kind of condenser type water heater with electronic technology control, comprises plastic casing, and the condenser type electro-heat equipment is isolated and selected circuitry phase, water temperature regulating circuit.Electro-heat equipment, water intaking valve, water inlet section header are installed in the shell, the adjusting knob of water intaking valve links by the gang potentiometer LTR in link gear and the water temperature regulating circuit, the knob of temperature-adjusting potentiometer TWR and relay indicating light are installed on the panel, cavity in the shell is installed and is isolated the circuit board that selects circuitry phase, water temperature regulating circuit etc., power supply is drawn connection with the single-phase three-wire plug, water supply connector is pressed abd fixed on the shell by clamp nut, hold out against screw electro-heat equipment is further fixedly held out against in the enclosure, the top of plastic casing is provided with suspension arm.

Electro-heat equipment in the utility model adopts three form of sleeve, by loam cake, lower cover, metal sleeve, draw binding post, mesopore housing screw, the screw that discharges water and form; There are three electrode fairleads the upper end of loam cake, draws binding post and mesopore housing screw in order to installation, and the lower end of lower cover is a delivery port, and side is a water inlet, and the lower end also has the dewatering orifice, in order to the installation screw that discharges water.

Isolation in the utility model selects circuitry phase by neon tube NL ₁, NL ₂, neon tube current-limiting resistance NR ₁, NR ₂, dc source ZLDY, receive amplifying relay circuit JFJ ₁, JFJ ₂, control utmost point clamp resistance R ₁, R ₂, switch bidirectional triode thyristor SK ₁, SK ₂, pressure regulation bidirectional triode thyristor ST ₁, ST ₂Form.

Water temperature regulating circuit in the utility model is made up of spacing resistance XR, interior accent potentiometer NTR, gang potentiometer LTR, temperature-adjusting potentiometer TWR, capacitor C, two-way trigger tube SC.

ZR is in parallel with relay indicating light ZL, indicator lamp resistance for heat generating components WR, forms operating circuit GZDL, and its node H connects one and draws binding post, and node E connects in addition two and draws binding post; Attaching mutual inductance type electric current relay IJ on the main circuit, the normally-closed contact IJ of IJ _BBe connected in the temperature adjustment control circuit, fastp-acting fuse RD is equipped with in power supply introducing place.

The utility model selects circuitry phase by isolation, make the external circuit in the electrical equipment, promptly draw power line X line and Y line on the plug, reach consistent with the connecting mode of interior circuit to the requirement of phase zero position, external circuit in connecting then, making middle in an electro-heat equipment metal sleeve is to connect phase line eventually, two metal sleeves are to connect zero line eventually in addition, water inlet and delivery port just needn't multiple groundings, and be safe in utilization; Make the water yield and the water temperature can separate regulation by the water temperature regulating circuit simultaneously, the convenient use; Electric current relay IJ and fastp-acting fuse RD can send signal and protection device security under unexpected situation.

Four, description of drawings:

Accompanying drawing one is portable electric heater profile and structure diagram

Accompanying drawing two is portable electric heater electrical schematic diagram

Five, the specific embodiment:

The utility model is a kind of portable electric heater, comprises plastic casing 1, electro-heat equipment is housed in the plastic casing 1, isolates and select circuitry phase, water temperature regulating circuit, water intaking valve 2 etc.The water inlet of the lower cover 12 of electro-heat equipment connects with water intaking valve 2, water intaking valve 2 connects with water inlet section header 3, water inlet section header 3 is fixed by clamp nut 4 and is pressed on the plastic casing 1, the water inlet of water inlet section header 3 connects the water source by flexible pipe, holds out against screw 9 electro-heat equipment is fixedly held out against in plastic casing 1; The knob 5 of water intaking valve 2 is by the interlock of the gang potentiometer LTR in mechanical linkage 6 and the water temperature regulating circuit, make the water yield transfer that resistance reduces when big, resistance increased when the water yield was turned down, thereby water temperature changed little when the water yield was regulated, temperature-adjusting potentiometer knob 7, relay indicating light 8 in the water temperature regulating circuit are contained on the panel, and suspension arm 10 is arranged at the top of plastic casing 1.Electro-heat equipment is by loam cake 11, lower cover 12,

metal sleeve

13,14,15,

draw binding post

16,17,18,

mesopore housing screw

19,20,21, the screw 22 that discharges water is formed, and there are three electrode fairleads the upper end of loam cake 11, draws binding post and mesopore housing screw 19 in order to installation, 20,21, the lower end of lower cover 12 is a delivery port, in order to connect spray quinoline device or flexible pipe, the lower end of lower cover 12 also has the dewatering orifice, in order to the installation screw 22 that discharges water, the side of lower cover 12 is other to be water inlet, in order to connect water intaking valve 2, the another side of lower cover 12 also has a shallow bore hole, is held out against in order to hold out against screw 9; The inner face of lower cover 12 and loam cake 11 has garden shape groove, in order to fixing

metal sleeve

13,14,15,11 of lower cover 12 and loam cakes can adopt fastening connecting modes such as screw thread combination to link, equally distributed several discharge orifices 23 are arranged on the same cross section of lower, transverse of the top of

metal sleeve

13,15 and metal sleeve 14, water is flowed between sleeve; Respectively there is a vertical screw 24 upper end of metal sleeve, draws binding

post

16,17,18 in order to installation, and

mesopore housing screw

19,20,21 is drawn

binding post

16,18 and connected operating circuit node E in order to the enclosed electrode fairlead, and 17 connect operating circuit node H.Isolating selects circuitry phase by neon tube NL ₁, NL ₂, neon tube current-limiting resistance NR ₁, NR ₂, dc source ZLDY, receive amplifying relay circuit JFJ ₁, JFJ ₂, control utmost point clamp resistance R ₁, R ₂, switch bidirectional triode thyristor SK ₁, SK ₂, pressure regulation bidirectional triode thyristor ST ₁, ST ₂Form.Isolate and select circuitry phase, be i.e. external circuit in the electrical equipment and the operating circuit GZDL in the electrical equipment, i.e. interior circuit bidirectional triode thyristor SK in the electrical equipment plug-in power pack X line, Y line in the electrical equipment ₁, SK ₂, ST ₁, ST ₂Off-state isolate, on plug patches, in the power supply, isolate and select circuitry phase to select getting type earlier, and then the interior external circuit in the electrical equipment is connected by the mode that chooses, avoid taking place security incident, in that just import and export also needn't multiple grounding; Its connected mode is NL ₁Be connected on the X line of plug cord, pass through NR ₁Earth connection G, when X is phase line, NL ₁Just send optical signal, JFJ ₁In photosensitive tube GM ₁Receive optical signal, by amplifying starting relay J ₁, J ₁Two groups of normally opened contact J _1K1Just connect SK ₁Circuits for triggering, make SK ₁Be in conducting state, J _1K2Connect ST ₁Circuits for triggering, make ST ₁Be in adjustment state, J ₁One group of normally-closed contact J _1BWith J ₂Pin, misoperation does not take place, so just finished the getting type of selecting phase line zero line under the isolation, connect operating circuit then, make electrical work.In like manner, NL ₂Be connected on the plug cord Y line, pass through NR ₂Earth connection G, when the Y line is phase line, NL ₂Just send optical signal, JFJ ₂In photosensitive tube GM ₂Receive optical signal, by amplifying starting relay J ₂, J ₂Two groups of normally opened contact J _2K1Connect SK ₂Circuits for triggering, make SK ₂Be in conducting state, J _2K2Connect ST ₂Circuits for triggering, make ST ₂Be in adjustment state, J ₂One group of normally-closed contact J _2BWith J ₁Pin, misoperation does not take place, so just make the node H on the operating circuit GZDL follow phase line, node E follows zero line, just guaranteed that also the metal sleeve 14 in the electro-heat equipment is to follow phase line eventually,

metal sleeve

13,15 then end be then zero line, so the intake-outlet of electrical equipment needn't multiple grounding, guaranteed the security performance of electrical equipment; R ₁, R ₂Be respectively SK ₁, SK ₂Clamp resistance on the circuits for triggering, the normally opened contact connection by relay is to SK ₁, SK ₂Control utmost point CZ ₁, CZ ₂JFJ ₁And JFJ ₂Power by dc source ZLDY; Operating circuit GZDL, promptly interior circuit comprises electro-heat equipment WR, indicator lamp ZL and indicator lamp resistance ZR, during WR work, ZL is just shinny, and the briliancy that WR is in high-power state ZL is just high, and the briliancy that WR is in small-power state ZL is just low.The water temperature regulating circuit has spacing resistance XR ₁, interior accent potentiometer NTR, gang potentiometer LTR, temperature-adjusting potentiometer TWR, capacitor C, two-way trigger tube SC form.Its connected mode is to regulate ST by changes in resistance ₁Or ST ₂The angle of flow, be one group of pressure regulation circuits for triggering; The maximum that XR places restrictions on circuits for triggering allows the electricity value, NTR is in order to regulate maximum temperature rise, when dispatching from the factory, call, the knob interlock of LTR by mechanical linkage and water intaking valve, the water yield transfers that resistance is corresponding when big turns down, the corresponding accent of resistance was big when the water yield was turned down, it is little that water temperature is changed, and cut off the power supply when setting the 1/4 little water yield, in case scald out of control, the knob 7 of TWR is contained on the panel, regulates water temperature for the user; C is a charge and discharge capacitance.Mutual inductance type electric current relay IJ and fastp-acting fuse RD have been installed as protective device in the Circuits System.Isolate and select the signal transmission in the circuitry phase also can adopt magnetoelectric effect, on-off system also can adopt contactor, and the linkage in the water temperature regulating circuit can replace with hydraulic pressure sensor, and suspension arm 10 is arranged at the top of plastic casing 1.

Claims

1, the utility model is a kind of portable electric heater, comprises plastic casing (1), it is characterized in that being equipped with in the plastic casing (1) electro-heat equipment, isolates and select circuitry phase, water temperature regulating circuit, water intaking valve (2) etc.The water inlet of the lower cover of electro-heat equipment (12) connects with water intaking valve (2), water intaking valve (2) connects with water inlet section header (3), water inlet section header (3) is fixed by clamp nut (4) and is pressed on the plastic casing (1), the water inlet of water inlet section header (3) connects the water source by flexible pipe, holds out against screw (9) electro-heat equipment is fixedly held out against in plastic casing (1); The knob (5) of water intaking valve (2) is by the interlock of the gang potentiometer LTR in mechanical linkage (6) and the water temperature regulating circuit, temperature-adjusting potentiometer knob (7), relay indicating light (8) in the water temperature regulating circuit are contained on the panel, and suspension arm (10) is arranged at the top of plastic casing (1).

2, portable electric heater according to claim 1, it is characterized in that described electro-heat equipment is by loam cake (11), lower cover (12), metal sleeve (13), (14), (15), draw binding post (16), (17), (18), mesopore housing screw (19), (20), (21), the screw (22) that discharges water is formed, there are three electrode fairleads the upper end of loam cake (11), draw binding post (16) in order to installation, (17), (18) and mesopore housing screw (19), (20), (21), the lower end of lower cover (12) is a delivery port, in order to connect spray quinoline device or flexible pipe, the lower end of lower cover (12) also has the dewatering orifice, in order to the installation screw (22) that discharges water, the side of lower cover (12) is other be water inlet, in order to connection water intaking valve (2), the another side of lower cover (12) also has a shallow bore hole, is held out against in order to hold out against screw (9); The inner face of lower cover (12) and loam cake (11) has garden shape groove, in order to fixing metal sleeve (13), (14), (15), can adopt fastening connecting modes such as screw thread combination to link between lower cover (12) and loam cake (11), on the same cross section of lower, transverse of the top of metal sleeve (13), (15) and metal sleeve (14) equally distributed several discharge orifices (23) are arranged, water is flowed between sleeve; Respectively there is a vertical screw (24) upper end of metal sleeve, draw binding post (16), (17), (18) in order to installation, mesopore housing screw (19), (20), (21) are in order to the enclosed electrode fairlead, draw binding post (16), (18) connection operating circuit node E, draw binding post (17) and connect operating circuit node H.

3, portable electric heater according to claim 1 is characterized in that the described circuitry phase that selects is by neon tube NL ₁, NL ₂, neon tube current-limiting resistance NR ₁, NR ₂, dc source ZLDY, receive amplifying relay circuit JFJ ₁, JFJ ₂, control utmost point clamp resistance R ₁, R ₂, switch bidirectional triode thyristor SK ₁, SK ₂, pressure regulation bidirectional triode thyristor ST ₁, ST ₂Form.Isolate and select circuitry phase, be i.e. external circuit in the electrical equipment and the operating circuit GZDL in the electrical equipment, i.e. interior circuit bidirectional triode thyristor SK in the electrical equipment plug-in power pack X line, Y line in the electrical equipment ₁, SK ₂, ST ₁, ST ₂Off-state isolate, on plug patches, in the power supply, isolate and select circuitry phase to select getting type earlier, and then the interior external circuit in the electrical equipment is connected by the mode that chooses, avoid taking place security incident, in that just import and export also needn't multiple grounding; Its connected mode is NL ₁Be connected on the X line of plug cord, pass through NR ₁Earth connection G, when X is phase line, NL ₁Just send optical signal, JFJ ₁In photosensitive tube GM ₁Receive optical signal, by amplifying starting relay J ₁, J ₁Two groups of normally opened contact J _1K1Just connect SK ₁Circuits for triggering, make SK ₁Be in conducting state, J _1K2Connect ST ₁Circuits for triggering, make ST ₁Be in adjustment state, J ₁One group of normally-closed contact J _1BWith J ₂Pin, misoperation does not take place, so just finished the getting type of selecting phase line zero line under the isolation, connect operating circuit then, make electrical work.In like manner, NL ₂Be connected on the plug cord Y line, pass through NR ₂Earth connection G, when the Y line is phase line, NL ₂Just send optical signal, JFJ ₂In photosensitive tube GM ₂Receive optical signal, by amplifying starting relay J ₂, J ₂Two groups of normally opened contact J _2K1Connect SK ₂Circuits for triggering, make SK ₂Be in conducting state, J _2K2Connect ST ₂Circuits for triggering, make ST ₂Be in adjustment state, J ₂One group of normally-closed contact J _2BWith J ₁Pin, misoperation does not take place, so just make the node H on the operating circuit GZDL follow phase line, node E follows zero line, just guaranteed that also the metal sleeve in the electro-heat equipment (14) is to follow phase line eventually, metal sleeve (13), (15) then eventually are then zero lines, so the intake-outlet of electrical equipment needn't multiple grounding, have guaranteed the security performance of electrical equipment; R ₁, R ₂Be respectively SK ₁, SK ₂Clamp resistance on the circuits for triggering, the normally opened contact connection by relay is to SK ₁, SK ₂Control utmost point CZ ₁, CZ ₂JFJ ₁And JFJ ₂Power by dc source ZLDY; Operating circuit GZDL, promptly interior circuit comprises electro-heat equipment WR, indicator lamp ZL and indicator lamp resistance ZR, during WR work, ZL is just shinny, and the briliancy that WR is in high-power state ZL is just high, and the briliancy that WR is in small-power state ZL is just low.

4, portable electric heater according to claim 1, it is characterized in that described water temperature regulating circuit is made up of spacing resistance XR, interior accent potentiometer NTR, gang potentiometer LTR, temperature-adjusting potentiometer TWR, capacitor C, two-way trigger tube SC, its connected mode is to regulate ST by changes in resistance ₁Or ST ₂The angle of flow, be one group of pressure regulation circuits for triggering; The maximum that XR places restrictions on circuits for triggering allows the electricity value, NTR is in order to regulate maximum temperature rise, LTR is by the knob interlock of mechanical linkage and water intaking valve, the water yield transfers that resistance is corresponding when big turns down, and the corresponding accent of resistance was big when the water yield was turned down, makes that water temperature changes little in the water yield adjustment process, and cut off the power supply when setting the 1/4 little water yield, in case scald out of control, the knob of TWR (7) is contained on the panel, regulates water temperature for the user; C is a charge and discharge capacitance.

5, portable electric heater according to claim 1 is characterized in that having installed in the described Circuits System mutual inductance type electric current relay IJ and fastp-acting fuse RD.

6, portable electric heater according to claim 1, it is characterized in that described isolation selects the signal transmission in the circuitry phase also can adopt magnetoelectric effect, on-off system also can adopt the linkage in contactor, the water temperature regulating circuit to replace with hydraulic pressure sensor, and suspension arm (10) is arranged at the top of plastic casing (1).