CN209246406U

CN209246406U - A kind of electric heater protective device of water heater

Info

Publication number: CN209246406U
Application number: CN201821784003.9U
Authority: CN
Inventors: 周献文; 朱正标
Original assignee: Changzhou Accom Machinery Co Ltd
Current assignee: Changzhou Accom Machinery Co Ltd
Priority date: 2018-10-31
Filing date: 2018-10-31
Publication date: 2019-08-13
Anticipated expiration: 2028-10-31

Abstract

The utility model relates to water heater equipment technical fields; and disclose a kind of electric heater protective device of water heater; the electric heater protective device of the water heater; including water storage box; left side perforation at the top of the water storage box is connected with water inlet; the bottom of the water inlet inner cavity is fixedly connected with left side solenoid valve, and the right side perforation at the top of the water storage box is connected with water outlet.The electric heater protective device of the water heater; water can be exported in water storage box by water outlet; the water in heater can be heated by the heating tube in heater again; it can control when heating tube is heated with heating tube by float switch again; to make the water in water storage box that can stop the heating of heating tube when there is no water; so that heating tube is not had still working again for water again, the electric heater protective device of the water heater is enable to achieve the purpose that protect heater.

Description

A kind of electric heater protective device of water heater

Technical field

The utility model relates to water heater equipment technical field, the electric heater of specially a kind of water heater protects dress It sets.

Background technique

Heater is using water as heat transfer medium, and electric heating heating passes through high-temperature water pump forced circulation heat supply.Applied to discomfort Oil being closed with thermal field as a heat transfer medium is shared, water heater core heating part is using the design of tubulose cluster type structure, equipment Thermal response is fast, and the thermal efficiency is high, and temperature is controlled using microcomputer-recognized intelligent double temperature double control mode, and PID automatic adjustment, temperature-controlled precision is high, It is widely used in the petrochemical industry of operating temperature≤98 DEG C, textile printing and dyeing, printing industry, the multiple fields such as pharmacy medical treatment heating guarantor The techniques such as temperature use thermal process.Main component is configured using international and domestic brand product, long service life, safety and environmental protection.

Existing water heater is during heating water, there is no setting than more comprehensive protective device when in heater Water discharged after, user is not turned off heater or continues to discharge water into heater again when, the heating wire in heater is still So can be persistently overheating, there is the problem of damaging or occur waste electricity so as to cause heating wire.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of electric heater protective device of water heater, tool Standby the advantages of capable of protecting to heater, solves after the water in heater discharged, and user is not turned off heater again Or when continuing to discharge water into heater, the heating wire in heater still can be persistently overheating, damages so as to cause heating wire Or there is the problem of waste electricity.

(2) technical solution

For the purpose that the above-mentioned heater of realization is protected, the utility model is provided the following technical solutions: a kind of water heating The electric heater protective device of device, including water storage box, the left side perforation at the top of the water storage box are connected with water inlet, the water inlet The bottom of mouthful inner cavity is fixedly connected with left side solenoid valve, and the right side perforation at the top of the water storage box is connected with water outlet, it is described go out The bottom of mouth of a river inner cavity is fixedly connected with right side solenoid valve, and the right side perforation at the top of the water storage box is connected with float switch, institute It states and is fixedly connected to support rod at left and right sides of water storage box bottom, the support rod is fixedly connected with far from the side of water storage box Bottom plate, the left side perforation of the water storage box bottom are connected with outlet pipe, and the bottom perforation of the outlet pipe is connected with urgent draining It manages, water valve is fixedly connected on the pipe shaft of the emergency draining, the inner cavity of the water storage box is equipped with insulating layer, the insulating layer Bottom be fixedly connected with having heaters, the heater includes protecting tube, equidistant along horizontal cross on the pipe shaft of the protecting tube Be connected to fixed ring from fixing sleeve, the bottom of the fixed ring is fixedly connected on the bottom of insulating layer inner cavity, the protecting tube it is interior Chamber is fixedly connected with heating tube, is fixedly connected with temperature detector at the top of the insulating layer inner cavity.

Preferably, the floating ball of the float switch bottom runs through the outer wall at the top of insulating layer and extends to the interior of water storage box In chamber, circuit connection between the float switch and left side solenoid valve and right side solenoid valve and heating tube.

Preferably, the heating tube is along horizontal longitudinal equidistant bottom for being fixedly connected on insulating layer, and the heating tube is just The length in face is slightly less than the positive length of water storage box.

Preferably, the material of the insulating layer and heating tube is aluminum metal, and the material of the water storage box is copper metal.

Preferably, the left side perforation of the water storage box bottom is connected with wire connecting tube, the pipe shaft of the wire connecting tube Through water storage box bottom and extend to the left side of protecting tube and connect with heater circuit.

Preferably, the positive middle part of the water storage box is fixedly connected with temperature indicator, the temperature indicator and temperature Circuit connection between detector.

Preferably, the top perforation of the outlet pipe pipe shaft is connected to the bottom of insulating layer, the bottom of the emergency draining Portion is through the inner cavity of bottom plate.

(3) beneficial effect

Compared with prior art, the utility model provides a kind of electric heater protective device of water heater, have with It is lower the utility model has the advantages that

1, the electric heater protective device of the water heater, can be delivered water into water storage box, then pass through by water inlet Water outlet can export water in water storage box, then be able to detect in water storage box whether there are also water by float switch, then pass through right side Connection between solenoid valve and left side solenoid valve and float switch, so as to make float switch can control the water inlet in water storage box and Water outlet, then the water in heater can be heated by the heating tube in heater, then pass through float switch and heating tube energy When control heating tube is heated, to make the heating that can stop heating tube in water storage box when without water, is made Heating tube still will not work again in the case where there be not water, and the electric heater protective device of the water heater is enable to reach pair The purpose that heater is protected.

2, the electric heater protective device of the water heater can keep the temperature the water temperature in water storage box by insulating layer, Water erosion heating tube can be prevented by protecting tube again, then by outlet pipe and emergency draining and water valve, it can be in the device When electronic failure occur can not be drained by solenoid valve, the water in water storage box can be discharged by water valve to protect the dress It sets, so that the electric heater protective device of the water heater be enable to achieve the purpose that improve safety.

Detailed description of the invention

Fig. 1 is the utility model front overall structure diagram；

Fig. 2 is the utility model cistern interior structural schematic diagram；

Fig. 3 is that the utility model heater overlooks face structural schematic diagram；

Fig. 4 is the utility model protecting tube schematic diagram of internal structure.

In figure: 1, water storage box；2, water inlet；3, water outlet；4, float switch；5, support rod；6, wire connecting tube；7, Bottom plate；8, emergency draining；9, water valve；10, left side solenoid valve；11, right side solenoid valve；12, temperature detector；13, insulating layer； 14, heater；141, fixed ring；142, protecting tube；143, heating tube；15, outlet pipe.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-4, a kind of electric heater protective device of water heater, including water storage box 1 are please referred to, 1 top of water storage box Left side perforation is connected with water inlet 2, and the bottom of 2 inner cavity of water inlet is fixedly connected with left side solenoid valve 10, the right side at 1 top of water storage box Side perforation is connected with water outlet 3, and the bottom of 3 inner cavity of water outlet is fixedly connected with right side solenoid valve 11, the right side at 1 top of water storage box Perforation is connected with float switch 4, support rod 5 is fixedly connected at left and right sides of 1 bottom of water storage box, support rod 5 is far from water storage The side of case 1 is fixedly connected with bottom plate 7, and the left side perforation of 1 bottom of water storage box is connected with outlet pipe 15, and the bottom of outlet pipe 15 is passed through Lead to and be connected to emergency draining 8, water valve 9 is fixedly connected on the pipe shaft of emergency draining 8, the inner cavity of water storage box 1 is equipped with heat preservation Layer 13, the bottom of insulating layer 13 are fixedly connected with having heaters 14, and heater 14 includes protecting tube 142, the pipe shaft of protecting tube 142 On along the equidistant fixing sleeve of horizontal cross be connected to fixed ring 141, the bottom of fixed ring 141 is fixedly connected on 13 inner cavity of insulating layer Bottom, the inner cavity of protecting tube 142 are fixedly connected with heating tube 143, and insulating layer is fixedly connected with temperature detection at the top of 13 inner cavity Device 12.

The floating ball of 4 bottom of float switch runs through the outer wall at 13 top of insulating layer and extends in the inner cavity of water storage box 1, floats Circuit connection between ball switch 4 and left side solenoid valve 10 and right side solenoid valve 11 and heating tube 143, being beneficial to can be by floating Ball switch 4 controls flowing into and out for the water source in water storage box 1.

Heating tube 143 is along horizontal longitudinal equidistant bottom for being fixedly connected on insulating layer 13, the positive length of heating tube 143 Degree is slightly less than the positive length of water storage box 1, is beneficial to that heating tube 143 can be enable more quickly to carry out the water source in water storage box 1 Heating.

The material of insulating layer 13 and heating tube 143 is aluminum metal, and the material of water storage box 1 is copper metal, is beneficial to protect Warm layer 13 and heating tube 143 can quickly absorb the heat that heating wire gives out, and water storage box 1 then the temperature on outer wall not with Temperature in insulating layer 13 rise and rise.

The left side perforation of 1 bottom of water storage box is connected with wire connecting tube 6, and the pipe shaft of wire connecting tube 6 is through water storage box 1 Bottom and extend to protecting tube 142 left side and 14 circuit connection of heater, the electric wire being beneficial in wire connecting tube 6 will not It is corroded easily by water.

The positive middle part of water storage box 1 is fixedly connected with temperature indicator, the temperature indicator and temperature detector 12 it Between circuit connection, be beneficial to how high convenient for users to understanding temperature in water storage box 1 by observation temperature indicator.

The top perforation of 15 pipe shaft of outlet pipe is connected to the bottom of insulating layer 13, and the bottom of emergency draining 8 is the bottom of through The inner cavity of plate 7, being beneficial to again can be by opening the water in the releasing water storage box 1 of water valve 9 when solenoid valve breaks down.

Working principle: the electric heater protective device of the water heater when in use, when the water in water storage box 1 runs out Afterwards, the floating ball on float switch 4 will pull downward on switch, power off heating tube 143, make the left side being electrically connected with float switch 4 Side solenoid valve 10 is opened, so that water flow is put into water storage box 1, can make to float after the water in water storage box 1 reach a certain height Floating ball on ball switch 4 floats, and heats heating tube 143 to trigger float switch 4, makes the water temperature liter in water storage box 1 After height is discharged to the water solved in heater 14, user is not turned off heater 14 again or continues to discharge water into heater When in 14, the heating wire in heater 14 still can be persistently overheating, occurs damaging or occurring waste electricity so as to cause heating wire The problem of.

In conclusion the electric heater protective device of the water heater, can deliver water into water storage box 1 by water inlet 2 It is interior, then water can be exported in water storage box 1 by water outlet 3, then whether be also able to detect in water storage box 1 by float switch 4 Water, then by the connection between right side solenoid valve 11 and left side solenoid valve 10 and float switch 4, so as to enable float switch 4 The inflow and outflow in water storage box 1 is controlled, then the water in heater can be added by the heating tube 143 in heater 14 Temperature, then can control when heating tube 143 is heated with heating tube 143 by float switch 4, to make in water storage box 1 The heating that can stop heating tube 143 when without water still carries out work in the case where so that heating tube 143 there not to be water again again Make, the electric heater protective device of the water heater is enable to achieve the purpose that protect heater 14；The water heater Electric heater protective device can keep the temperature the water temperature in water storage box 1 by insulating layer 13, then can be prevented by protecting tube 142 Only water erosion heating tube 143, then by outlet pipe 15 and emergency draining 8 and water valve 9, electronics event can occur in the device When barrier can not be drained by solenoid valve, the water in water storage box 1 can be discharged by water valve 9 to protect the device, thus The electric heater protective device of the water heater is set to achieve the purpose that improve safety.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in process, method, article or equipment including the element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of electric heater protective device of water heater, including water storage box (1), it is characterised in that: water storage box (1) top The left side perforation in portion is connected with water inlet (2), and the bottom of water inlet (2) inner cavity is fixedly connected with left side solenoid valve (10), Right side perforation at the top of the water storage box (1) is connected with water outlet (3), and the bottom of water outlet (3) inner cavity is fixedly connected with Right side solenoid valve (11), the right side perforation at the top of the water storage box (1) are connected with float switch (4), water storage box (1) bottom The left and right sides be fixedly connected to support rod (5), the support rod (5) is fixedly connected with bottom far from the side of water storage box (1) The left side perforation of plate (7), water storage box (1) bottom is connected with outlet pipe (15), and the bottom of the outlet pipe (15), which penetrates through, to be connected It is connected to emergency draining (8), is fixedly connected with water valve (9) on the pipe shaft of the emergency draining (8), the water storage box (1) Inner cavity is equipped with insulating layer (13), and the bottom of the insulating layer (13) is fixedly connected having heaters (14), heater (14) packet It includes protecting tube (142), is connected to fixed ring (141), institute along the equidistant fixing sleeve of horizontal cross on the pipe shaft of the protecting tube (142) The bottom for stating fixed ring (141) is fixedly connected on the bottom of insulating layer (13) inner cavity, and the inner cavity of the protecting tube (142) is fixed to be connected It is connected to heating tube (143), is fixedly connected with temperature detector (12) at the top of insulating layer (13) inner cavity.

2. a kind of electric heater protective device of water heater according to claim 1, it is characterised in that: the floating ball is opened The floating ball for closing (4) bottom runs through the outer wall at the top of insulating layer (13) and extends in the inner cavity of water storage box (1), and the floating ball is opened Close circuit connection between (4) and left side solenoid valve (10) and right side solenoid valve (11) and heating tube (143).

3. a kind of electric heater protective device of water heater according to claim 1, it is characterised in that: the heating tube (143) along horizontal longitudinal equidistant bottom for being fixedly connected on insulating layer (13), the positive length of the heating tube (143) is smaller In water storage box (1) positive length.

4. a kind of electric heater protective device of water heater according to claim 1, it is characterised in that: the insulating layer It (13) is aluminum metal with the material of heating tube (143), the material of the water storage box (1) is copper metal.

5. a kind of electric heater protective device of water heater according to claim 1, it is characterised in that: the water storage box (1) the left side perforation of bottom is connected with wire connecting tube (6), and the pipe shaft of the wire connecting tube (6) is through water storage box (1) Bottom and left side and heater (14) circuit connection for extending to protecting tube (142).

6. a kind of electric heater protective device of water heater according to claim 1, it is characterised in that: the water storage box (1) positive middle part is fixedly connected with temperature indicator, circuit connection between the temperature indicator and temperature detector (12).

7. a kind of electric heater protective device of water heater according to claim 1, it is characterised in that: the outlet pipe (15) the top perforation of pipe shaft is connected to the bottoms of insulating layer (13), and the bottom of the emergency draining (8) is through bottom plate (7) Inner cavity.