CN203824105U - Safety protection switch device for water heater - Google Patents
Safety protection switch device for water heater Download PDFInfo
- Publication number
- CN203824105U CN203824105U CN201420238924.0U CN201420238924U CN203824105U CN 203824105 U CN203824105 U CN 203824105U CN 201420238924 U CN201420238924 U CN 201420238924U CN 203824105 U CN203824105 U CN 203824105U
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- CN
- China
- Prior art keywords
- water heater
- sheet metal
- switch device
- protection switch
- insulated column
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- Expired - Fee Related
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model relates to a safety protection switch device for a water heater. The safety protection switch device for the water heater can automatically and safely protects the work of the water heater. The safety protection switch device comprises a contactor and a control assembly. A main contact of the contactor is connected with a heating piece of the water heater to form a loop, the control assembly is connected with an electromagnetic coil of the contactor to form a secondary loop, and the secondary loop controls opening and closing of the first loop through the contractor. The contractor and the control assembly are adopted to achieve automatic operation and safety protection of the miniature water heater. Compared with the prior art, the safety protection switch device has the advantages of being simple in design, small in structural size, convenient and safe to use due to the fact that the water heater can be prevented from being powered on and heated when no water exists in the heating container shell body of the water heater through a pressure sensor, and high in safety factor due to the fact that a temperature controller can prevent the excessive water temperature.
Description
Technical field
The utility model relates to a kind of water heater safety's protection switch device.
Background technology
The small water heater that existing family kitchen is used, structure is small and exquisite, uses simply, but in use, in order to prevent the overheated of water heater, user need be according to service condition Switching Power Supply ceaselessly; And the heating container of water heater is enclosed construction, once the water inlet of water heater stops up or family cuts off the water supply, user does not know in anhydrous situation to open water heater, can form empty burning in the heating container of water heater, causes water heater damage.
Summary of the invention
The purpose of this utility model is to provide a kind of water heater safety's protection switch device with automatic safe protective water heater working.
The purpose of this utility model is achieved through the following technical solutions: it comprises contactor and Control Component, the main contact of described contactor and the heating member of water heater are connected to form primary circuit, the solenoid of described Control Component and contactor is connected to form secondary circuit, and the connecting and disconnecting of the circuit of solenoid is controlled the open and close of main contact.Utilize contactor and Control Component to realize automatic operation and the security protection of miniature water-heater.
Described Control Component comprises pressure inductor, it comprises the first insulated column, upper sheet metal, lower sheet metal and pressure touch part, described the first insulated column is vertically fixed on outside the heating container housing of water heater, described upper sheet metal, the vertical interval of lower sheet metal are laid on the first insulated column, and the below that described pressure touch part is positioned at lower sheet metal is to realize the contact of sheet metal and lower sheet metal on the hydraulic pressure control of the heating container that utilizes water heater or separated; Described upper sheet metal, lower sheet metal are that secondary circuit is at two links of pressure inductor.
Described pressure touch part comprises nose bar, valve jacket and flexure strip, described valve jacket is sealingly fastened in flexure strip on the heating container housing of water heater, and on the housing of this heating container, offer the pressure through hole that contacts with flexure strip and be positioned at nose bar below, described nose bar is located at the inside of valve jacket and is positioned on flexure strip, and the top of this nose bar is stretched out valve jacket and leaned the lower surface at lower sheet metal.
Pressure inductor makes sheet metal under pressure inductor contact the main contact closure that is communicated with secondary circuit and then makes contactor with upper sheet metal under Water Pressure, realization is controlled the heating of heating member and is stopped by the hydraulic pressure in water heater, and prevents the anhydrous heating phenomena of appearance in heating container.Pressure inductor is that to take the own hydraulic pressure of running water be power.In the heating container of water heater, have hydraulic pressure, pressure inductor just can move; Otherwise pressure inductor can not move.
Described Control Component comprises temperature controller; Described temperature controller comprises arcuate bombing leaf, static contact, bimetal leaf and the second insulated column; Described the second insulated column is vertically arranged on outside the heating container housing of (water heater), described arcuate bombing leaf and static contact are vertically disposed on the second insulated column from top to bottom, described bimetal leaf be arranged on the second insulated column and be positioned at arcuate bombing leaf and static contact under, this bimetal leaf is close on the housing of described heating container; On described bimetal leaf one end away from the second insulated column, be provided with for promote that arcuate bombing leaf pops up push rod; Described arcuate bombing leaf and static contact are two links of secondary circuit on temperature controller.
Temperature controller can prevent that heating container from producing overheated water temperature, and its built-in bimetal leaf is close on the outer surface of heating container, it is heated quicker.Bimetal leaf is to be closed and formed by two kinds of very large metal notes of expanded by heating difference of coefficients, and temperature is higher, and the bent distortion of two metal vaults of bimetal leaf is larger, then by being arranged on the push rod of bimetal leaf termination, upwards promoting arcuate bombing leaf and upwards beats.
Heating member two ends on described primary circuit are also connected in parallel to an auxiliary heating part, and auxiliary heating part front end is also connected with manual combination switch.
Compared to prior art, the utility model has the advantage of: water heater safety's protection switch device simplicity of design, structural volume is little, and pressure inductor can prevent the electrical heating of crossing when anhydrous in cylindrical shell of water heater, easy to use, safe; Temperature controller prevents the too high of water temperature, easy to use, and safety coefficient is high.
Accompanying drawing explanation
Fig. 1 is the circuit connection diagram of the utility model the first embodiment.
Fig. 2 is that in the utility model the first embodiment, safety protection switch device is used in conjunction with figure on water heater.
Fig. 3 is the front view of pressure inductor in the utility model the first embodiment
Fig. 4 is the cutaway view of temperature controller in the utility model the first embodiment.
Fig. 5 is the circuit connection diagram of the utility model the second embodiment water heater safety protection switch device.
Label declaration: 1, pressure inductor; 1-1, the first insulated column; 1-2, upper sheet metal; 1-3, lower sheet metal; 1-4, nose bar; 1-5, valve jacket; 1-6, flexure strip; 1-7, pressure through hole; 1-8, the first location-plate; 1-9, the first regulating part; 1-10, the first movable contact; 1-11, the first stationary contact; 2, temperature controller; 2-1, arcuate bombing leaf; 2-2, static contact; 2-3, bimetal leaf; 2-4, the second insulated column; 2-5, push rod; 2-7, the second location-plate; 2-8, the second regulating part; 2-9, contact; 3, heating container; 4, heating member; 5, auxiliary heating part.
The specific embodiment
Below in conjunction with Figure of description and embodiment, the utility model content is elaborated:
The circuit diagram of the first water heater safety's protection switch device embodiment that the utility model as shown in Figure 1 provides, it comprises contactor and Control Component, utilizes contactor and Control Component to realize automatic operation and the security protection of miniature water-heater.In Fig. 1, main contact one end of contactor is connected with the L line live wire of leakage switch, and the other end and heating member 4 (just electrothermal tube) as shown in Figure 1 and relay indicating light are connected, and relay indicating light is connected to form primary circuit with the zero line N of leakage switch again.Control Component is that solenoid and the leakage switch of pressure inductor and temperature controller and contactor is interconnected to form secondary circuit, the break-make of solenoid makes the open and close of its Electromagnetic Control main contact producing, and then control connection has the break-make of the primary circuit circuit of heating member 4.On primary circuit, be also equipped with relay indicating light (in parallel with heating member 4), person easy to use judges the duty of heating member 4.
Fig. 2 is that in the utility model the first embodiment, safety protection switch device is used in conjunction with figure on water heater, and as shown in FIG., the pressure inductor 1 in Control Component and temperature controller 2 are all arranged on the heating container 3 of water heater.
Fig. 3 is the structural representation of pressure inductor 1 in the utility model the first embodiment, it comprises the first insulated column 1-1, upper sheet metal 1-2, lower sheet metal 1-3 and pressure touch part, described the first insulated column 1-1 is vertically fixed on outside heating container 3 housings of water heater, it is upper that described upper sheet metal 1-2, the vertical interval of lower sheet metal 1-3 are laid in the first insulated column 1-1, and described pressure touch part is arranged on the below that is positioned at lower sheet metal 1-3 to realize the contact of sheet metal 1-2 and lower sheet metal 1-3 on the hydraulic pressure control of the heating container 3 that utilizes water heater or separated; Described upper sheet metal 1-2, lower sheet metal 1-3 are that secondary circuit is at the link of pressure inductor 1.
In heating container 3, have under the effect of enough hydraulic pressure, pressure touch part upwards promotes lower sheet metal 1-3 and moves up and contact with upper sheet metal 1-2, the secondary circuit that solenoid on upper sheet metal 1-2, lower sheet metal 1-3 and contactor connects into forms path, solenoid produces electromagnetism by the closed connection of the main contact on contactor, makes to be connected to the heating member 4 energising heat releases on main contact; Otherwise, heating container 3 is interior during without hydraulic pressure, pressure touch part and lower sheet metal 1-3 restPose, go up sheet metal 1-2 separated with lower sheet metal 1-3, the secondary circuit that solenoid on upper sheet metal 1-2, lower sheet metal 1-3 and contactor connects into forms and opens circuit, solenoid quits work, and the main contact on contactor disconnects, and heating member 4 power-off that are connected on main contact quit work.
The lower surface of sheet metal 1-2 and the contact position of lower sheet metal 1-3 also can be provided with the first stationary contact 1-11 on above-mentioned, simultaneously at the upper surface of lower sheet metal 1-3 and be provided with the first movable contact 1-10 over against the position that should go up the stationary contact of sheet metal 1-2; Increasing the first stationary contact 1-11 and the first movable contact 1-10 makes to contact between sheet metal 1-2 and lower sheet metal 1-3 better.
Described pressure touch part comprises nose bar 1-4, valve jacket 1-5 and flexure strip 1-6, described valve jacket 1-5 is sealingly fastened in flexure strip 1-6 on heating container 3 housings of water heater, and on the housing of this heating container 3, contact with flexure strip 1-6 and be positioned at nose bar 1-4 lower position and offer a pressure through hole 1-7, described nose bar 1-4 is used for promoting lower sheet metal 1-3 and moves towards upper sheet metal 1-2, it is located at the inside of valve jacket 1-5 and is positioned at flexure strip 1-6 upper, and the top of this nose bar 1-4 is stretched out valve jacket 1-5 and leaned the lower surface at lower sheet metal 1-3.Above-mentioned flexure strip 1-6 adopts the material of high temperature resistant and good airproof performance, is preferably tincture sill.
Flexure strip 1-6 is withheld on pressure through hole 1-7 by valve jacket 1-5, plays water isolating seal, and under the effect of water pressure, flexure strip 1-6 can form bubble shape and raise up, and then makes nose bar 1-4 in the valve jacket 1-5 jack-up that makes progress.When the water intaking valve of water heater is when closing, without Water Pressure, flexure strip 1-6 can retract, and lower sheet metal 1-3 is separated with upper sheet metal 1-2, and heating member power-off stops heating.
On described the first insulated column 1-1, be also provided with the first location-plate 1-8, this first location-plate 1-8 is located at interval at sheet metal 1-2 top, and the first location-plate 1-8 is provided with the first regulating part 1-9 that regulates the upper sheet metal 1-2 in location.
The first regulating part 1-9 on the first location-plate 1-8 generally selects stove bolt, stove bolt rotates to regulate upper sheet metal 1-2 on pressure inductor 1 and the size of two spacing of lower sheet metal 1-3 up and down, and then adjustment nose bar 1-4 promotes the first movable contact 1-10 of lower sheet metal 1-3 and the first stationary contact 1-11 touching of upper sheet metal 1-2 contacts required pressure, thereby realize the adjusting to the pressure sensitive sensitivity of pressure inductor 1.
Stove bolt facilitates pressure inductor 1 to adjust and use according to the hydraulic pressure size of running water pipe, namely in the place of low hydraulic pressure, upper sheet metal 1-2 is regulated downwards, the space length of itself and lower sheet metal 1-3 is turned down, and then when under promoting, sheet metal 1-3 touches mutually with sheet metal 1-2, the required deflection of pressure touch part reduces.
As shown in Figure 4, described Control Component comprises temperature controller 2; This temperature controller 2 comprises arcuate bombing leaf 2-1, static contact 2-2, bimetal leaf 2-3 and the second insulated column 2-4; The second insulated column 2-4 is vertically arranged on outside the housing of heating container 1, described arcuate bombing leaf 2-1 and static contact 2-2 are vertically disposed on the second insulated column 2-4, bimetal leaf 2-3 be arranged on the second insulated column 2-1 upper and be positioned at arcuate bombing leaf 2-1 and static contact 2-2 under, and this bimetal leaf 2-3 is also close on the housing of described heating container 1; The upper one end away from the second insulated column 2-4 of bimetal leaf 2-3 be provided with for promote that arcuate bombing leaf 2-1 pops up push rod 2-5; Described arcuate bombing leaf 2-1 and static contact 2-2 are two links of secondary circuit on temperature controller 2.
Bimetal leaf 2-3 is formed by two kinds of very large metal-clads of expanded by heating difference of coefficients, temperature is higher, two metal bending distortion of bimetal leaf are larger, then by being arranged on the push rod 2-5 of bimetal leaf 2-3 termination, upwards promoting arcuate bombing leaf 2-1 over the beating critical point of this spring leaf and upwards beat.
When the heating member 4 of water heater has just been brought into use, water temperature in heating container 3 is lower, arcuate bombing leaf 2-1 on temperature controller 2 with static contact 2-2 in contacting connected state, be connected in series the secondary circuit of formation with arcuate bombing leaf 2-1 and static contact 2-2 in channel status, solenoid work on contactor also makes the main contact on this contactor connect, and is in series the heating member 4 that is connected in the heated condition of switching on main contact, continuous heating along with heating member 4, water temperature in heating container 3 slowly raises, heating column 2-6 is passed to the water body heat in heating container 3 on bimetal leaf 2-3 simultaneously, bimetal leaf 2-3 is heated and is bent upwards distortion, water temperature in heating container 3 reaches setting value, bimetal leaf 2-3 is heated and reaches enough temperatures, produce enough deflections, and by push rod 2-5, indirectly promote arcuate bombing leaf 2-1 and move up, arcuate bombing leaf 2-1 and static contact 2-2 are separated, secondary circuit disconnects, solenoid on contactor quits work, main contact on contactor disconnects, heating member 4 stops heating.
On described the second insulated column 2-4, be also provided with the second location-plate 2-7 for secured adjusted arcuate bombing leaf 2-1 position, this second location-plate 2-7 is located at interval at arcuate bombing leaf 2-1 top, and the second location-plate 2-7 is provided with the second regulating part 2-8 that regulates location arcuate bombing leaf 2-1.
Arcuate bombing leaf 2-1 has a tension force critical point, and in this critical point, the movable end of arcuate bombing leaf 2-1 can carry out bob.The second location-plate 2-7 is by the upper-lower position point that moves up and down to regulate arcuate bombing leaf 2-7 of the second regulating part 2-8 of disposed thereon, and then change the size of the tension force critical point of this arcuate bombing leaf, thereby the tension force that the contact separation critical point that changes arcuate bombing leaf 2-1 and static contact 2-2 is required, to reach the object of setting the restriction highest temperature.
User can, according to own required water temperature, regulate the position of arcuate bombing leaf 2-1 to realize the arcuate bombing leaf 2-1 temperature spot separated with static contact 2-2 by the second regulating part 2-8 on temperature controller 2.Such as when the winter, required water temperature is higher, the second regulating part on the second location-plate 2-7 is moved to rise, on the rotating plate position of arcuate bombing leaf 2-1, move, now bimetal leaf 2-3 need to produce larger deflection namely higher water temperature carry out hot conduction, could touch arcuate bombing leaf 2-1 separated with static contact 2-2.Same, two genus sheet 2-1 and static contact 2-2 also can arrange contact 2-9 so that contact better between two genus sheet 2-1 and static contact 2-2.
In addition, above-mentioned pressure inductor 1 and temperature controller 2 can be simultaneously and the contactor use that is cascaded, and play the effect of protection simultaneously.
Water heater safety's protection switch device of the second embodiment of the present invention has only been to add after main noddle on contactor an auxiliary heating part 5 that is in parallel and is connected with heating member 4 with the difference of the first embodiment; simultaneously separately connect a manual combination switch auxiliary heating part 5 is front; all the other structures are identical with water heater safety's protection switch device of the first embodiment; therefore; from concisely, at this, mainly narrate its part different from the first embodiment water heater safety protection switch device.
Fig. 5 has provided the circuit connecting wire road figure of water heater safety's protection switch device in the second embodiment of the present invention; this embodiment is connected difference and is only with the circuit of the embodiment of the first shown in Fig. 1: another root auxiliary heating part 14 that is connected in parallel in two terminations of heating member, auxiliary heating part 14 is in series with a manual combination switch simultaneously.With a manual combination switch, regulate being used in conjunction with of two heating members (for example heating tube in figure and auxiliary heating pipe), when using water heater, having like this two uses power to select, such as when the winter, use the situation of hot water more, the power of depending merely on so a heating member may not, be used hot water to need to wait for, now that manual combination switch is closed, two heating members are worked simultaneously, and heating power is just higher, and the hot water speed of generation is faster.Otherwise, when summer, use the situation of hot water less, only need open combination switch so here, so just only have a heating member in work, power is relatively little, is relatively applicable to using summer.
In a word, the safety protection switch device simplicity of design of water heater, structural volume is little, and pressure inductor can prevent the electrical heating of crossing when anhydrous in cylindrical shell of water heater, easy to use, safe; Temperature controller prevents the too high of water temperature, easy to use, and safety coefficient is high.
Claims (9)
1. water heater safety's protection switch device; it is characterized in that: it comprises contactor and Control Component; the main contact of described contactor and the heating member of water heater (4) are connected to form primary circuit; the solenoid of described Control Component and contactor is connected to form secondary circuit, and the connecting and disconnecting of the circuit of solenoid is controlled the open and close of main contact.
2. water heater safety's protection switch device according to claim 1, is characterized in that: described Control Component comprises pressure inductor (1).
3. water heater safety's protection switch device according to claim 2, it is characterized in that: described pressure inductor (1) comprises the first insulated column (1-1), upper sheet metal (1-2), lower sheet metal (1-3) and pressure touch part, described the first insulated column (1-1) is vertically fixed on outside heating container (3) housing of water heater, described upper sheet metal (1-2), the vertical interval of lower sheet metal (1-3) is laid on the first insulated column (1-1), the below that described pressure touch part is positioned at lower sheet metal (1-3) is to realize the contact of sheet metal (1-2) and lower sheet metal (1-3) on the hydraulic pressure control of the heating container (3) that utilizes water heater or separated, described upper sheet metal (1-2), lower sheet metal (1-3) are that secondary circuit is at two links of pressure inductor (1).
4. water heater safety's protection switch device according to claim 3, it is characterized in that: described pressure touch part comprises nose bar (1-4), valve jacket (1-5) and flexure strip (1-6), described valve jacket (1-5) is sealingly fastened in flexure strip (1-6) on heating container (3) housing of water heater, and on the housing of this heating container (3), offer the pressure through hole (1-7) that contacts with flexure strip (1-6) and be positioned at nose bar (1-4) below, described nose bar (1-4) is located at the inside of valve jacket (1-5) and is positioned on flexure strip (1-6), the top of this nose bar (1-4) is stretched out valve jacket (1-5) and is leaned the lower surface at lower sheet metal (1-3).
5. water heater safety's protection switch device according to claim 3; it is characterized in that: on described the first insulated column (1-1), be also provided with the first location-plate (1-8); sheet metal (1-2) top is located at this first location-plate (1-8) interval, and the first location-plate (1-8) is provided with the first regulating part (1-9) that regulates the upper sheet metal (1-2) in location.
6. according to the water heater safety's protection switch device described in claim 1 to 5 any one, it is characterized in that: described Control Component comprises temperature controller (2).
7. water heater safety's protection switch device according to claim 6, is characterized in that: described temperature controller (2) comprises arcuate bombing leaf (2-1), static contact (2-2), bimetal leaf (2-3) and the second insulated column (2-4); Described the second insulated column is vertically arranged on outside the housing of heating container (1), described arcuate bombing leaf (2-1) and static contact (2-2) are vertically disposed on the second insulated column (2-4) from top to bottom, described bimetal leaf (2-3) be arranged on the second insulated column (2-1) upper and be positioned at arcuate bombing leaf (2-1) and static contact (2-2) under, this bimetal leaf (2-3) is close on the housing of described heating container (1); On described bimetal leaf (2-3) one end away from the second insulated column (2-4), be provided with for promote that arcuate bombing leaf (2-1) pops up push rod (2-5); Described arcuate bombing leaf (2-1) and static contact (2-2) are two links of secondary circuit on temperature controller (2).
8. water heater safety's protection switch device according to claim 7; it is characterized in that: on described the second insulated column (2-4), be also provided with the second location-plate (2-7); this second location-plate (2-7) is located at interval at arcuate bombing leaf (2-1) top, and the second location-plate (2-7) is provided with the second regulating part (2-8) that regulates location arcuate bombing leaf (2-1) bob critical point.
9. water heater safety's protection switch device according to claim 1; it is characterized in that: the heating member on described primary circuit (4) two ends are also connected in parallel to an auxiliary heating part (5), auxiliary heating part (5) front end is also connected with manual combination switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420238924.0U CN203824105U (en) | 2014-05-09 | 2014-05-09 | Safety protection switch device for water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420238924.0U CN203824105U (en) | 2014-05-09 | 2014-05-09 | Safety protection switch device for water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203824105U true CN203824105U (en) | 2014-09-10 |
Family
ID=51479592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420238924.0U Expired - Fee Related CN203824105U (en) | 2014-05-09 | 2014-05-09 | Safety protection switch device for water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203824105U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106247628A (en) * | 2016-08-16 | 2016-12-21 | 芜湖美的厨卫电器制造有限公司 | Water heater capable of preventing dry heating |
| CN107710371A (en) * | 2015-11-17 | 2018-02-16 | 株式会社Lg化学 | For the system and method using bimetallic independent control relay |
-
2014
- 2014-05-09 CN CN201420238924.0U patent/CN203824105U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107710371A (en) * | 2015-11-17 | 2018-02-16 | 株式会社Lg化学 | For the system and method using bimetallic independent control relay |
| CN106247628A (en) * | 2016-08-16 | 2016-12-21 | 芜湖美的厨卫电器制造有限公司 | Water heater capable of preventing dry heating |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20170509 |