CN2220807Y

CN2220807Y - Quick heating electrothermal shower-bath with temp. regulating and low voltage

Info

Publication number: CN2220807Y
Application number: CN 94231871
Authority: CN
Inventors: 唐家禄; 唐家福
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-12-30
Filing date: 1994-12-30
Publication date: 1996-02-28
Anticipated expiration: 2004-12-30

Abstract

The utility model relates to a quick heating electrothermal shower-bath with temp. regulating and low voltage, which is composed of a casing, a transformer, a hot water valve, a cold water valve, a hot water conduit, electric heating elements, a sprinkler head, a water inlet pipe, a water outlet pipe, etc. The hot water conduit is a heat conducting water pipe in a zigzag shape, electric heating elements are installed in the hot water conduit, or electrothermal wires are wound outside the hot water conduit. Two ends of the electric heating elements or electrothermal wires are connected with two parallel circuits in parallel. The power supply is a safe voltage lowered from ordinary 220V through a transformer. The hot water conduit can also adopt heat conducting non-conductive materials, and electric current can not be conducted into water by the electrothermal wires wound outside the hot water conduit even under the condition of low voltage, which is more safety. The utility model has the functions of automatic switching on the power supply when the water is supplied, and automatic switching off the power supply when the water supply is cut off. The utility model has the advantages of convenient operation, low energy consumption, low cost, etc.

Description

But Instant heating type temperature adjustment low-voltage electroheating shower

The utility model relates to a kind of electric heater, but refers to a kind of Instant heating type temperature adjustment low-voltage electroheating shower especially.

The general supply voltage of existing electric heating shower is 220V, has the unsafe factor that the people is got an electric shock to exist, and is not whether well all families all possess the running check shower entery and delivery port condition of ground connection.And the design of low-voltage electroheating hydrophone the thermo electric material impedance is higher has problems owing to existing owing to reduced voltage, and electric current is less, power must descend water-heater efficiency is reduced greatly, and the phenomenon that can cause the long-time heat of water not get up.Existing electric heating shower also exists and gives hot time and longly generally needed 5-15 minute to give heat, and not as Instant heating type convenience, and the adjustment aspect is also undesirable, for example adopts the hot water pipe aperture to regulate, and operates very inconvenient.

But the purpose of this utility model is to provide a kind of Instant heating type temperature adjustment low-voltage electroheating shower, thereby solve above-mentioned employing 220V supply voltage and make people's unsafe problem of getting an electric shock easily, and efficient is not high when adopting low-voltage electric heater, the long-time heat of water is not got up and there is the unfavorable problem of long adjustment of hot time of giving in general electric heating shower.

The purpose of this utility model reaches by following measure:

The hot water conduit is the water pipe that is a plurality of bendings, and heating is contained in respectively respectively to bend in the water pipe and is connected with the transformer secondary output coil by in parallel, also is connected to temperature regulating switch on parallel line; On the described water inlet pipe hydraulic pressure switch is housed, this hydraulic pressure switch has switch enclosure, water inlet pipe enters the switch enclosure place sealing fastener is housed, and on the mouth of pipe of water inlet pipe, adorn a reed, two little springs that are fixed on the switch box body are housed on this reed, also have a curved boom on reed, this curved boom stretches out and inserts the aperture on the release knob of microswitch from switch enclosure one side; Be connected to the outlet pipe that is connected with the hot water conduit on switch enclosure top; Heating is a kind of parallel connection combination of heating wire; Described hot water conduit is the bending water pipe that a plurality of inverted U-shaped and positive U-shapeds link to each other, 2 holes are arranged respectively at the bottom at inverted U-shaped top and positive U-shaped, 2 hollow plug screws respectively are housed, these hollow plug screws have a sulculus outward, above-mentioned heating wire stretches in the hot water conduit, and the heating wire tail end passes hollow plug screw and bends in this sulculus and welds; On this hollow plug screw, twist the nut of a band binding post, on binding post, be inserted in the wiring strip and fasten with nut; The two ends of the heating in the pipe of the inverted U-shaped part of all of hot water conduit left side also are unified into a loop, i.e. a-c loop, and the two ends of the heating in all inverted U-shaped right sides pipes of hot water conduit and become another loop, i.e. b-c loop; Described temperature regulating switch is contained on the b-c loop; Above-mentioned a-c loop and b-c loop constitute a pair of shunt circuit.

The utlity model has following effect and advantage:

1, compares with the electric heating shower of direct employing 220V electric current and be perfectly safe, low owing to adopting the low pressure parallel circuit to solve low-voltage electric heater efficient simultaneously, the problem that heat is not got up, parallel circuit heating wire length overall can reach ten several meters, even and general circuit is close around heating wire 0.5-0.6 rice only.

2, owing to adopt hydraulic pressure switch, open the valve water inlet pipe, the water heater work of promptly switching on voluntarily, valve-off, water heater promptly voluntarily outage quit work, use extremely convenient and increased the sense of security, unlikely generation is cut off the water and is not had a power failure and produce superheating phenomenon.

3, owing to adopt temperature regulating switch, temperature can be regulated easily, the dual temperature adjustment of hot and cold water valve can be utilized in case of necessity, easy to use.

4, the heating outside the hot water conduit or insert the effect that heating in the hot water conduit all has magnetized drinking water is beneficial to human body.

Be described further below in conjunction with drawings and Examples:

Fig. 1 is structure and the circuit connection diagram of embodiment one of the present utility model.

Fig. 2 is the installation and the connection layout of the heating wire of embodiment one of the present utility model.

Fig. 3 is wiring strip and the hot-water line connection layout of embodiment one of the present utility model.

Fig. 4 is pressure switch construction figure.

Fig. 5 is the structural representation of embodiment two of the present utility model.

Fig. 6 is the structural representation of embodiment three of the present utility model.

Fig. 7 is the Jiong type bending hot water conduit schematic diagram of another embodiment of the present utility model.

Be the Instant heating type temperature adjustment low-voltage electroheating shower of embodiment one of the present utility model but see also Fig. 1, by housing B, transformer 1, temperature regulating switch 2, heating wire 3,3 ', compositions such as hot water conduit 4, hot-water valve 5, Cold water tap 7, shower nozzle 8 and pressure switch 9.Its power supply is family expenses 220V supply socket, circuit is reduced to safe voltage (36V is following) back through transformer 1 with voltage and is connected to the formation parallel circuit by temperature regulating switch 2 and pressure switch 9 with heating wire 3, wherein the heating wire 3 in the pipe of the left side of a line and all reverse U shape pipes of indentation hot water conduit 4 links to each other and forms the loop by the C line, the b line then with the right side pipe of all reverse U shape pipes of zigzag hot water conduit 4 in heating wire 3 ' link to each other and pass through c line formation loop.Between a line and b line, be equiped with a temperature regulating switch 2, whole heating wire 3 and 3 ' all pass through electric current when making temperature regulating switch 2 closures, and have only part heating wire 3 by electric current when temperature regulating switch 2 is disconnected, by the closed of temperature regulating switch 2 or disconnect the purpose that reaches the control temperature.The c line is before getting back to transformer 1, and by a pressure switch 9, when opening hot-water valve 5, pressure switch 9 then was in off-state when hydraulic pressure made pressure switch 9 closures close hot water valve 5 automatically.The concrete structure of pressure switch 9 repeats after holding.

See also Fig. 2 and Fig. 3, hot water conduit 4 is the indentation water pipe that a plurality of U words link to each other, in its U font welded top or be screwed into hollow plug screw 15, there is a sulculus 13 hollow plug screw outside, pack into heating wire 3 and 3 among the hot water conduit 4 ' tail end 12 bend in sulculus 13 and weld, on plug screw 15, twist the nut 11 of a band binding post 14, on binding post 14, be inserted in wiring strip 17 and also fasten with nut 10.

See also Fig. 4, hydraulic pressure switch 9 has switch enclosure 30, its underpart is connected to water inlet pipe 18, enter switch enclosure 30 places at water inlet pipe 18 sealing fastener 19 is housed, reed 21 is housed on the mouth of pipe of water inlet pipe 18, two small extension springs 20 that are fixed on the switch enclosure 30 are being housed on the reed 21, one curved boom 23 is arranged on reed 21, curved boom 23 stretches out from switch enclosure 30 1 sides, and one sealing plug 22 being housed stretching out the place, curved boom 23 stretches out in the aperture 24 of the release knob 26 that inserts microswitch 27 in the back, at the screw 25 that has 4 to fasten on the switch enclosure 30 on the microswitch 27, be connected to outlet pipe 28 on switch enclosure 30 tops, sealing fastener 29 is housed on outlet pipe 28.

See also Fig. 5, embodiment two of the present utility model is that embodiment one is internal heat type with the difference of embodiment one, and embodiment two is an external-heat, can see that from Fig. 5 heating wire 32 is wrapped in hot water conduit 4 outsides, and hot water conduit 4 can use heat conduction and non electrically conductive material (for example heat resistant glass) making, has so more strengthened the security of using.

Other structure of embodiment two is identical with embodiment one, no longer adds narration here.

See also Fig. 6, embodiment three of the present utility model also is an internal heat type, with the difference of embodiment one be embodiment one usefulness be heating wire 3 and 3 ' and embodiment three usefulness be electrothermal tube 33 and 33 ', other is identical with embodiment one, no longer describes in detail here.

See also Fig. 7, another embodiment of the present utility model just makes the hot water conduit pipe that many Jiong shapes connect, and other is identical with embodiment one.

Be the use of the various embodiments described above below: when needs are had a bath, turn on hot-water valve 5 earlier, the water that has certain hydraulic pressure enters hydraulic pressure switch 9 by pipe 6, hot-water valve 5 and by water inlet pipe 18, back down reed 21, water enters switch box body 30 and enters outlet pipe 28, and the curved boom 23 on the reed 21 also touches microswitch 27 and makes current lead-through at this moment.As can be seen from Figure 1 after the transformer secondary output conducting, electric heater is started working, hot water is promptly from shower nozzle 8 ejections, when if water temperature is not high enough, can be with temperature regulating switch 2 closed this moment of all heating wire 3,3 ' (or heating wire 32,32 ' or electrothermal tube 33,33 ') all by current flow heats water, if sensation water is too warm, temperature regulating switch 2 can be disconnected.Also can come the dual regulation water temperature in case of necessity by the aperture of regulating hot-water valve 5 and Cold water tap 7.When finishing using, close hot-water valve 5 and Cold water tap 7, hydraulic pressure descends in the water inlet pipe 18, the strength of jack-up reed 21 disappears, and small extension spring 20 retracts reed 21 and resets, and curved boom 23 is also return original position, microswitch 27 disconnects, and transformer secondary output does not have the loop, and electric heater quits work.Very convenient, as safe as a house.

Claims

But 1, a kind of Instant heating type temperature adjustment low-voltage electroheating shower, comprise shower housing, transformer, hot-water valve, Cold water tap, hot water conduit, heating, shower nozzle, water inlet pipe, it is characterized in that: described hot water conduit is the water pipe that is a plurality of bendings, described heating is contained in respectively respectively to bend in the water pipe and is connected with the transformer secondary output coil by in parallel, also is connected to temperature regulating switch on parallel line; On the described water inlet pipe hydraulic pressure switch is housed, this hydraulic pressure switch has switch enclosure, water inlet pipe enters the switch enclosure place sealing fastener is housed, and on the mouth of pipe of water inlet pipe, adorn a reed, two little springs that are fixed on the switch box body are housed on this reed, also have a curved boom on reed, this curved boom stretches out and inserts the aperture on the release knob of microswitch from switch enclosure one side; Be connected to the outlet pipe that is connected with the hot water conduit on switch enclosure top.
But 2, Instant heating type temperature adjustment low-voltage electroheating shower according to claim 1 is characterized in that: described heating is a kind of parallel connection combination of heating wire; Described hot water conduit is the bending water pipe that a plurality of inverted U-shaped and positive U-shapeds link to each other, 2 holes are arranged respectively at the bottom at inverted U-shaped top and positive U-shaped, 2 hollow plug screws respectively are housed, these hollow plug screws have a sulculus outward, above-mentioned heating wire stretches in the hot water conduit, and the heating wire tail end passes hollow plug screw and bends in this sulculus and welds; On this hollow plug screw, twist the nut of a band binding post, on binding post, be inserted in the wiring strip and fasten with nut.
But 3, Instant heating type temperature adjustment low-voltage electroheating shower according to claim 1, all inverted U-shaped part left sides that it is characterized in that described hot water conduit are managed the two ends of interior heating and are unified into a loop, it is the a-c loop, and all inverted U-shaped right sides of hot water conduit are managed the two ends of interior heating and are become another loop, i.e. the b-c loop; Described temperature regulating switch is contained on the b-c loop; Above-mentioned a-c loop and b-c loop constitute a pair of shunt circuit.