CN2518024Y - Electric water heater - Google Patents
Electric water heater Download PDFInfo
- Publication number
- CN2518024Y CN2518024Y CN 02201369 CN02201369U CN2518024Y CN 2518024 Y CN2518024 Y CN 2518024Y CN 02201369 CN02201369 CN 02201369 CN 02201369 U CN02201369 U CN 02201369U CN 2518024 Y CN2518024 Y CN 2518024Y
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- water
- heat
- magnetic float
- relay
- collector
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Abstract
The utility model relates to an electric water heater, and the electric water heater comprises a heating device, a water level controlling device, a controlling circuit and a casing; the heating device comprises an upper water collector, a lower water separator, and at least two heating pipes; the heating pipes are fixed between the upper water collector and the lower water separator in a communication way; the water level controlling device is respectively connected with the upper water collector and the lower water separator through pipelines; the water level controlling device comprises a water tank, and a water level controller; the bottom of the water tank is provided with a water inlet pipe and a connecting pipe connected with the lower water separator; the controlling circuit adopts the relay controlling way; the controlling circuit comprises three branch circuits connected in parallel; the first branch circuit comprises heating bodies being connected in parallel and supplying the heat to the heating pipe, and two moving contacts of the relay which are respectively connected with the heating bodies in series; the second branch circuit comprises a manual button switch connected with a relay coil in series, an ambient temperature fuse, an over temperature safety switch, an upper magnetic float controlled switch and a lower magnetic float controlled switch; the third branch circuit is a solenoid valve circuit controlling the water inlet. The electric water heater has the advantages of quick heating, power saving, and long service life.
Description
(1) technical field:
The utility model relates to a kind of electric heater unit, particularly a kind of instant electric water heater.
(2) background technology:
Large-scale electric drinking water device and family's insulating pot that general public place uses all adopt the water storage mode of heating, pyrotoxin is a heating wire, semiconductor exothermic material (PTC), ceramic heater etc., heater places water, the water of tank all could to be used after the heating, again because of easily repeating heating, the heater surface is scaliness easily, incrustation scale generates more for a long time, and the heat in the heater can not pass in the water, and the efficiency of heating surface reduces, easily cause the heater explosion, after the supplementing water, the water temperature of heating tank descends at once, can not use continuously, harmful object is constantly increased form incrustation scale because of repeating heating again, unfavorable to health.
(3) summary of the invention:
The purpose of this utility model is to provide a kind of instant electric water heater of water continuously that heats soon.This electric heater can provide boiling water, water vapour and hot water.
For achieving the above object, the utility model is taked following technical measures:
The utility model electric heater comprises: the shell of heater, water-level control apparatus, control circuit and ccontaining above device;
Heater comprises: be used for the last water collector of ccontaining hot water, the following water knockout drum of feeding cold water and at least two heat-generating pipes that are used to heat; Heat-generating pipe is fixed between water collector and the following water knockout drum communicatively;
Water-level control apparatus connects by pipeline respectively goes up water collector and following water knockout drum; Water-level control apparatus comprises: a water tank, a water level controller; The bottom of water tank is provided with the tube connector of water knockout drum under a water inlet pipe and the connection;
Control circuit comprises: at least one relay, power supply; Relay has two coils and four movable contacts; Control circuit comprises three branch roads that are in parallel; Branch road comprises two movable contacts for the calandria of heat-generating pipe heat, the relay that is connected in series with calandria respectively; Second branch road comprises: the hand push button switch that is connected in series with a relay coil, environment temperature fuse, overtemperature discharge cock, magnetic float gauge tap; The 3rd branch road is control entering water electromagnetic valve circuit; This circuit with comprise another coil of relay and the water intaking valve of water tank.
Wherein, described water level controller comprises that one floats over the ball float on the water tank level, water intaking valve, a magnetic float and a control line leading-out terminal that is positioned at above the magnetic float by the ball float braking; Ball float is connected a slide bar of establishing on water intaking valve slidably, and the trace of and ball float interlock is connected between ball float and the water intaking valve, with the keying with the control water intaking valve that fluctuates of ball float;
The side of described water tank is provided with a metal partion (metp).
Wherein, described water level controller also comprise be located at described magnetic float top be used to control magnetic float, magnetic float on water intaking valve " passs ", " opening " one.
Wherein, described control entering water electromagnetic valve circuit comprises water intaking valve, a relay movable contact that is connected in series with water intaking valve, the upper and lower magnetic float switch that is connected in series with a relay coil, with last magnetic float switch and a relay movable contact connecing.
Wherein, the distance that exceeds than last magnetic float of the mouth of pipe of described heat-generating pipe is 10～20mm.
Wherein, the described magnetic float of going up is higher than the described last end face 5～15mm that goes up water collector.
Wherein, the described magnetic float of going up is higher than the described end face 5～15mm on the water collector that goes up.
Wherein, the caliber of described heat-generating pipe is equal to or less than 50mm.
Compared with prior art, the utlity model has following effect:
Electric heater of the present utility model, the energising heating can reach serviceability temperature rapidly, and the water that replenishes from water-level control apparatus also can heat rapidly, can supply with use continuously, do not need to repeat heating, after pressing the use switch, can obtain hot water, steam or warm water at once.Can adjust cistern water level according to function of use and can reach the different thermal effects that adds.Specify as follows:
Energy-conservation: heat-generating pipe energising back is low amounts of water in the heating tube rapidly, and after being heated water and discharging, the water that replenishes into from water tank continues heating rapidly, and constantly circulation reaches continuous supply.Just consume electricity in use, the moisture that the user needs is opened in the too much bar heat-generating pipe and has been increased the heating contact area, can not repeat heat tracing to water.
Fast: every heat-generating pipe heats the water in this barrel rapidly, and water is heated very soon or is boiled, and how long the user presses heater switch, then is heated the interior water of pipe and constantly supplies with.
Pollute few long service life: by instant heating back discharging, water constantly replenishes in the pipe, and the water in the pipe can not repeat heating, and incrustation scale generates few, and exothermic material is not fragile, and heavy metal can not increase in the water.
Volume is little: water tank is only as the control water level, and it doesn't matter for water tank and output size, and generally below φ 16mm, many is one group to the caliber of heat-generating pipe, organizes or single assembly, so the thickness of this device can be accomplished minimum 40mm more.
(4) description of drawings:
Fig. 1,6,9: the floor map of the utility model electric heater embodiment;
Fig. 2: the schematic diagram of the utility model middle water level control device embodiment one;
Fig. 3: the schematic diagram of the utility model middle water level control device embodiment two;
Fig. 4,7,8: the schematic diagram of going up water collector in the utility model;
Fig. 5: the control circuit figure in the utility model.
Figure 10: the utility model middle water level control device schematic diagram is set.
(5) specific embodiment:
Reaching embodiment in conjunction with the accompanying drawings is described in detail as follows architectural feature of the present utility model:
As shown in Figure 1, electric heater of the present utility model comprises: heater 1, water-level control apparatus 2, control circuit 3 and shell; Wherein, heater 1 is made up of last water collector 11, following water knockout drum 14 and heat-generating pipe 13 and outlet pipe; Heat-generating pipe 13 is fixed between water collector 11 and the following water knockout drum 14 communicatively, and water-level control apparatus 2 connects by pipeline respectively goes up water collector 11 and following water knockout drum 14; Last water collector 11 is as the ccontaining boiling water of gushing out from the upper orifice of heat-generating pipe 13 automatically, by the delivery port 12 on the floss hole connection housing face-plate; Steam imports the steam accumulator that is positioned at water tank by tube connector, is derived by blast pipe by tank outer wall and water filtration cooling segment, to lower the discharge of steam amount again; Following water knockout drum 14 is as distributing the water source of supplying with heat-generating pipe 13.
As shown in Figure 2, it is the schematic diagram of the utility model middle water level control device 2 embodiment; In the present embodiment, water-level control apparatus 2 mainly comprises a water tank 28, a water level controller; The right side of water tank 28 is provided with a metal partion (metp) 201, when steam imports the steam accumulator that is positioned at water tank by tube connector, by metal partion (metp) 201 and water filtration and cooling steam better effects if, is derived by blast pipe again; The bottom of water tank 28 is connected with tube connector 44, and tube connector 44 is connected between the following water knockout drum 14 of water-level control apparatus 2 and heater; Water level controller mainly comprises an excessive low water level protection device, and it comprises: one floats over ball float 23 on the water tank level, magnetic float 24 and control line leading-out terminal 29, a water intaking valve 26 that connects ball float 23; Ball float 23 is connected a trace 22 of establishing at 25, one of slide bars on the water intaking valve 26 and ball float 23 interlocks slidably and is connected between ball float 23 and the water intaking valve 26, to control the keying of water intaking valve 26 with fluctuating of ball float 23; Magnetic float 24 is associated with excessive low water level protection switch in the control circuit 3; When water level was lower than magnetic float 24, excessive low water level protection switch (as adopting tongue tube) was in off-state, and the power supply of control circuit 3 is disconnected, and heat-generating pipe is not worked.
As shown in Figure 3, it is the schematic diagram of another embodiment of the utility model middle water level control device; Wherein, in the water level controller, on float 24, also be provided with two magnetic floats, promptly upper and lower magnetic float 231,232; Upper and lower magnetic float 231,232 is associated with respective switch in the control circuit; When water level was lower than magnetic float 232, water intaking valve 26 was in on-state, promptly opened water supply, and when water level rose to the position of magnetic float 231, water intaking valve 26 was closed, and stopped to supply water.
The top of water-level control apparatus 2 is provided with a vaporium 21, be used to filter and steam that cooling segment is transported through steam connection tube 42,43 by last water collector 11, discharge outside the casing by steam discharge pipe 41 again, in the present embodiment, come through pipeline B delivering vapor from last water collector 11 by not sealing valve pipeline in vapor collection chamber 21, can be to the outer wall heating of vapor collection chamber 21, the part steam that is cooled is by outside the delivery pipe 41 discharge machines.
The end of water intaking valve 26 is connected with a gate valve coupling 27 and replenishes cold water with the control of protectiveness ground.
As shown in Figure 4, it is a schematic diagram of going up water collector in the utility model; Last water collector 11 comprises a rectangular-shaped water collector body, be located at the circular base on the water collector body and be located at the delivery port 12 of water collector body end, delivery port 12 is drawn through groove 19 places of anhydrating that are located at water collector body bottom, is separated by water fender 18 between the mouth of pipe of heat-generating pipe 13; The anhydrate bottom surface of groove 19 is skewed, and delivery port 12 is positioned at minimum position, inclined plane, so that hot water flows out from delivery port 12, for use.
As shown in Figure 5, it is the control circuit schematic diagram of the utility model electric heater; Control circuit 3 in the utility model is taked relay control mode, and control circuit 3 comprises three branch roads that are in parallel; Branch road comprises the movable contact 311,312 for the calandria 131 of heat-generating pipe 13 heats, the relay that is connected in series with calandria 131 respectively; Second branch road comprises: the hand push button switch 313 that is connected in series with relay coil 31, environment temperature fuse 314, overtemperature discharge cock 315, magnetic float gauge tap 241; The 3rd branch road is control entering water electromagnetic valve circuit 33; Circuit 33 is in parallel with the branch road that comprises coil 31.More than the 3rd branch road connect power supply.
As shown in Figure 5, control entering water electromagnetic valve circuit 33 comprises water intaking valve 26, the relay movable contact 321 that is connected in series with water intaking valve 26, the upper and lower magnetic float switch 2311,2321 that is connected in series with relay coil 32, with last magnetic float switch 2311 and the relay movable contact 322 that connects.
Operation principle: when the user presses heat button switch 313, environment temperature keeps being no more than the design temperature of environment temperature fuse 314 in the machine, as 70 ℃, environment temperature is no more than design temperature as 50 ℃ in the overtemperature discharge cock 315 detection machines, and cistern water level is higher than the magnetic float 24 of excessive low water level protection device, and magnetic float gauge tap 241 is in on-state, relay coil 31 is powered, adhesive, movable contact 311,312 is connected, and makes calandria 131 power supplying and heatings; When user's hand leaves press button 313, relay coil 31 outages, movable contact 311,312 disconnects immediately, and calandria 131 does not generate heat.
Any one is in abnormal state in environment temperature fuse 314, overtemperature discharge cock 315 and the magnetic float gauge tap 241, all has to make relay coil 31 can not obtain the power supply supply, does not generate heat, thereby plays a protective role.After 314 fusing of environment temperature fuse, after needing the check circuit fault, change environment temperature fuse 314, overtemperature discharge cock 315, environment temperature can make overtemperature discharge cock 315 be in off-state above setting value in machine, after environment temperature decline, it will recover on-state.
As shown in Figure 6, it is a concrete structure schematic diagram of the present utility model; For realizing automatic water inlet; the utility model adopts magnetic valve controlled feed; promptly set up magnetic float 231 and magnetic float 232 in water tank on the excessive low water level protection device, magnetic float 232 is used to control that water intaking valve 26 " is opened ", magnetic float 231 control water intaking valves 26 " pass ".When cistern water level was lower than magnetic float 232, float 23 sank to making water intaking valve 26 be in on-state, and last magnetic float 231 is positioned at the top of magnetic float 232.
Also usable temp sensor 16 replaces Thermal Cutoffs 314 among Fig. 5 on the other hand, therewith correspondingly, in control circuit, sets up a micro-control circuit; Temperature sensor 16 is thermally sensitive thermocouple, is 100 ℃ as design temperature, when the epicoele water level of last water collector 11 is higher than temperature sensor 16, it is in is normal condition under water.When failing timely supplementing water or when going up the chamber pressure of water collector 11 more and more ambassador's water passing back into water tank 28 after the water level evaporation, temperature sensor 16 is in the water surface above (in the steam), vapor (steam) temperature is higher than 100 ℃, the resistance of temperature sensor 16 changes, to its voltage that sends back micro-control circuit or electric current are changed, at this moment, after micro-control circuit detects this signal, the control power supply is not powered relay coil 51.When the water level rising surpassed the position of temperature sensor 16, attitude can restore to the original state.If the temperature of last water collector 11 inner chambers will not be set, maximum temperature is a vapor (steam) temperature; During as steam generator, it is that the heat that absorbs water collector metal shell on the Steam Heating is taken out of outside the casing that the inner chamber of last water collector 11 keeps certain water level, increase the effect of steam generating amount, the effect of temperature sensor 16 is to guarantee that the temperature of metal shell is unlikely to too high.The upper end eloquence that guaranteeing to go up the inner chamber in the water collector 11 simultaneously has water to exceed heat-generating pipe can make relay work.Because of the moisture storage capacity of last water collector 11 is very little, after calandria 131 outage, the water in the pipe can be to the upper reaches, the water of the groove 19 that anhydrates of last water collector 11 very short time outside steam discharge reach outage, quit work.
As Fig. 7, shown in Figure 8, last water collector 11 and following water knockout drum 14 can be selected polygon for use, organize heat-generating pipe 13 more and are used in combination, be symmetry installation up and down respectively, be mainly used in fixedly heat-generating pipe 13, according to the purposes of using, last water collector 11 is used to collect hot water or steam or warm water and supplies with use.In the last water collector 11, separate by water fender 18 between the mouth of pipe 161 of heat-generating pipe, prevent that hot water from going here and there phenomenon mutually, make the water after the heating flow into the anhydrate groove 19 lower than upper orifice 161 limit portions, the groove 19 that anhydrates has certain slope, outlet 12 is positioned at minimum point, and outlet 12 can be established two-stage, and the extension tube attached of convenient two kinds of sizes connects.Following water knockout drum and water are that the tube connector D of control device 2 is straight-through, make the heat-generating pipe 13 and the water level of water tank 28 keep same horizontal plane, and when heat-generating pipe 13 any pipe water levels are lower than 28 waterline, water tank 28 enters down water knockout drum 14 by D through water inlet 15 (Fig. 1).
As shown in Figure 9, in the present embodiment, cold water enters water tank 28 from external tapping 27 through water intaking valve 26, the water inlet 15 of water tank bottom direct and following water knockout drum 14 by connecting pipe communicates, cold water is from descending water knockout drum 14 supreme water collector 11 in heat-generating pipe 13 flows through pipe respectively, and the user obtains the water that needs from intake 12.The pipeline A of last water collector 11 tops, main application is: out of control constantly when water tank feeds water at water intaking valve 26, not open and go out water solenoid valve 122, spilling water is discharged by pipeline A by heating control device 1 back, and the A delivery port is higher than the water tank end face; In addition; when water level is lower than the delivery port 12 of going up water collector 11; last water collector 11 fails to obtain in time to replenish cold water and other safeguard measures are malfunctioning; heat-generating pipe 13 continues energising simultaneously; the boiled steam that becomes of water in the pipe; steam is discharged by pipeline A at this moment, and for guaranteeing that further heat-generating pipe 13 is not impaired, the metal surface of last water collector 11 can be loaded onto temperature switch (50 ℃) and prevent the high-temperature water outlet scald.
As shown in figure 10, it is the schematic diagram that is provided with of the utility model middle water level control device, and wherein, the mouth of pipe 161 upper ends of control line leading-out terminal 29 and heat-generating pipe are at same horizontal plane.
In the present embodiment:
The distance that control line leading-out terminal 29 exceeds than last magnetic float 231 is 15mm;
Control line leading-out terminal 29 than magnetic float 232 exceed apart from 75mm;
Last magnetic float 231 is than magnetic float 24 high 80mm.
Three kinds of function declarations of electric heater of the present utility model are as follows:
1, as boiler: static water level should be lower than the mouth of pipe 10～20mm of heat-generating pipe 13 in the pipe, water is heated to the water boiling rapidly in the pipe when energising, water is heated the back and expands, and simultaneously, has steam to discharge after water is boiled, so certain upwards attraction force acts is arranged, the boiling water of upper port is gushed out from the top, after the tank 19 of last water collector 11 is collected by delivery port 12 water outlets, at this moment, water level in the heat-generating pipe begins to be lower than the water level of water tank, and water tank will replenish cold water from trend heat-generating pipe 13;
2, as steam generator: static water level should be higher than more than the mouth of pipe 5～15mm of heat-generating pipe 13 in the pipe, and the last water collector water surface should leave certain space, and outwards discharge as collecting steam in this space.Make-up water is the same with boiler, reload temperature sensor under last water collector water level, water level is lower than sensor (but design temperature 102 ℃) when detecting heat-generating pipe 13 heating, sensor is in the steam, when interior cavity temperature is higher than 102 ℃, disconnect the power supply of heat-generating pipe relay coil 31, heat-generating pipe 13 dead electricity are quit work;
3, as water heater, cistern water level is higher than end face 5～15mm on the water collector, when the user presses switch 313, connects heat-generating pipe relay coil 31 and water-suppling electromagnetic valve and is opened, and the water in the heat-generating pipe 13 of flowing through is heated.
Claims (8)
1, a kind of electric heater comprises: the shell of heater (1), water-level control apparatus (2), control circuit (3) and ccontaining above device; It is characterized in that:
Heater (1) comprising: be used for the last water collector (11) of ccontaining hot water, the following water knockout drum (14) of feeding cold water and at least two heat-generating pipes (13) that are used to heat; Heat-generating pipe 13 is fixed between water collector (11) and the following water knockout drum 14 communicatively;
Water-level control apparatus (2) connects by pipeline respectively goes up water collector (11) and following water knockout drum (14); Water-level control apparatus (2) comprising: a water tank (28), a water level controller; The bottom of water tank 28 is provided with the tube connector of water knockout drum 14 under a water inlet pipe and the connection;
Control circuit (3) comprising: at least one relay, power supply; Relay has two coils and four movable contacts; Control circuit (3) comprises three branch roads that are in parallel; Branch road comprises two movable contacts (311,312) for the calandria (131) of heat-generating pipe (13) heat, the relay that is connected in series with calandria (131) respectively; Second branch road comprises: the hand push button switch (313) that is connected in series with a relay coil (31), environment temperature fuse (314), overtemperature discharge cock (315), magnetic float gauge tap (241); The 3rd branch road is control entering water electromagnetic valve circuit (33); Circuit (33) comprises the coil (32) of relay and the water intaking valve of water tank.
2. electric heater according to claim 1, it is characterized in that described water level controller comprises that one floats over the ball float on the water tank level, a water intaking valve by the ball float braking, a magnetic float and a control line leading-out terminal that is positioned at above the magnetic float (24); Ball float is connected a slide bar of establishing on water intaking valve slidably, and the trace (22) of and ball float (23) interlock is connected between ball float (23) and the water intaking valve (26), with the keying with the control water intaking valve (26) that fluctuates of ball float (23);
The side of described water tank (28) is provided with a metal partion (metp) (201).
3, electric heater according to claim 2 is characterized in that, described water level controller also comprises the upper and lower magnetic float that is used to control water intaking valve (26) " pass ", " opening " (231,232) that is located at magnetic float (24) top.
4, electric heater according to claim 3, it is characterized in that, described control entering water electromagnetic valve circuit (33) comprises water intaking valve (26), the relay movable contact (321) that is connected in series with water intaking valve (26), the upper and lower magnetic float switch (2311,2321) that is connected in series with relay coil (32), with last magnetic float switch (2311) and the relay movable contact (322) that connects.
5, electric heater according to claim 3 is characterized in that, the distance that the mouth of pipe of described heat-generating pipe (13) exceeds than magnetic float (231) is 10～20mm.
6, electric heater according to claim 3 is characterized in that, described magnetic float 231 is higher than the described last end face 5～15mm that goes up water collector.
7, electric heater according to claim 3 is characterized in that, described magnetic float 231 is higher than the described end face 5～15mm on the water collector that goes up.
8, electric heater according to claim 1 is characterized in that, the caliber of described heat-generating pipe (13) is equal to or less than 50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02201369 CN2518024Y (en) | 2002-01-11 | 2002-01-11 | Electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02201369 CN2518024Y (en) | 2002-01-11 | 2002-01-11 | Electric water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2518024Y true CN2518024Y (en) | 2002-10-23 |
Family
ID=33684249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02201369 Expired - Fee Related CN2518024Y (en) | 2002-01-11 | 2002-01-11 | Electric water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2518024Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052753A (en) * | 2009-10-30 | 2011-05-11 | 李坚 | Boiling water supply device and water boiler |
| CN103216927A (en) * | 2012-01-18 | 2013-07-24 | 徐建成 | Commercial instant-heating water boiler |
| CN106989505A (en) * | 2017-04-20 | 2017-07-28 | 深圳市华高瀚禹科技有限公司 | A kind of heating and domestic water electric heating equipment |
| CN107084526A (en) * | 2017-06-23 | 2017-08-22 | 吉林省广联智能电热有限公司 | A kind of electrically heated boiler |
| CN107167181A (en) * | 2017-05-26 | 2017-09-15 | 广东万家乐燃气具有限公司 | The intelligent automation detection method and system of a kind of electric heater |
-
2002
- 2002-01-11 CN CN 02201369 patent/CN2518024Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052753A (en) * | 2009-10-30 | 2011-05-11 | 李坚 | Boiling water supply device and water boiler |
| CN102052753B (en) * | 2009-10-30 | 2013-07-03 | 李坚 | Water boiler |
| CN103216927A (en) * | 2012-01-18 | 2013-07-24 | 徐建成 | Commercial instant-heating water boiler |
| CN106989505A (en) * | 2017-04-20 | 2017-07-28 | 深圳市华高瀚禹科技有限公司 | A kind of heating and domestic water electric heating equipment |
| CN107167181A (en) * | 2017-05-26 | 2017-09-15 | 广东万家乐燃气具有限公司 | The intelligent automation detection method and system of a kind of electric heater |
| CN107084526A (en) * | 2017-06-23 | 2017-08-22 | 吉林省广联智能电热有限公司 | A kind of electrically heated boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |