CN105448593A - Leakage protection device of heater - Google Patents
Leakage protection device of heater Download PDFInfo
- Publication number
- CN105448593A CN105448593A CN201410432023.XA CN201410432023A CN105448593A CN 105448593 A CN105448593 A CN 105448593A CN 201410432023 A CN201410432023 A CN 201410432023A CN 105448593 A CN105448593 A CN 105448593A
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- China
- Prior art keywords
- slide bar
- heater
- expander
- protection device
- expansion chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Cookers (AREA)
- Resistance Heating (AREA)
- Control Of Resistance Heating (AREA)
Abstract
Provided is a leakage protection device of a heater. The leakage protection device comprises a micro switch, a slide bar, an expander, and a base. The micro switch is connected to a heating circuit of the heater. The control rod of the micro switch is in contact with one end of the slide bar. The base comprises a water tank, an expansion chamber, and a spring chamber. A through hole is arranged between the water tank and the expansion chamber. The expander is installed in the expansion chamber. The slide bar is arranged between the expansion chamber and the spring chamber and is restricted to horizontal movement. One end of the slide bar is in contact with the expander, and the other end of the slide bar is in contact with a spring in the spring chamber. The slide bar is provided with a clamp slot. The leakage protection device is simple in structure and easy to use. When water leaks, the leakage protection device is quickly triggered and may always maintain a circuit cut-off state in order to prevent a user from being subjected to electric shock, protect the fault state and facilitate overhaul.
Description
Technical field
The present invention relates to a kind of accessory of heater, particularly a kind of escape protection device of heater.
Background technology
Quartz tube heater, structure is simple, and the heat efficiency is high, health environment-friendly, is widely used in the product such as fast-heating type drinking machine, water heater.But the ferrule of quartz ampoule is bad, and easily cracked after being clashed into, quartz ampoule can be caused to leak, and then the Electric radiant Heating Film on quartz ampoule outer wall and electrode generation leak electricity short-circuit can be made, also can make the water-band electricity spilt, there is potential safety hazard.
For solving the problem, people are some escape protection devices for heater specialized designs, as the patent No. 201320296743.9 " a kind of calandria escape protection device ", it is provided with the tank for collecting percolating water below calandria, be placed with the inflating medium of water-swellable in tank, above inflating medium, be provided with the jacking block that can touch sensitive switch; Sensitive switch is arranged on calandria, and it can reflation media expansion formula, the cutting-off controlling circuit because jacking block touches.
But the deformation that the expansion only relying on inflating medium due to this sensitive switch produces triggers, expander is again be arranged on heater outside, when after the moisture natural evaporation in expander, jacking block loses support, once more the power supply circuits of calandria are in on-state, now be energized, especially easily cause the danger of electric shock and Electric radiant Heating Film short circuit.
Summary of the invention
Technical problem to be solved by this invention: the escape protection device providing a kind of heater, when leaking, it will be triggered and can remain circuitry cuts state, be conducive to maintenance.
The present invention's adopted technical scheme that solves the problem is: a kind of escape protection device of heater, comprise sensitive switch, slide bar, expander and pedestal, sensitive switch is connected on the heater circuit of heater, the control lever of sensitive switch and the end thereof contacts of slide bar, it is characterized in that: described pedestal comprises Storage water tank, expansion chamber and spring cavity, through hole is had between Storage water tank and expansion chamber, expander is arranged in expansion chamber, slide bar is arranged between expansion chamber and spring cavity, and be restricted to and only can move horizontally, one end of slide bar contacts with expander, the other end and the spring contact be fixed in spring cavity, described slide bar is provided with draw-in groove.
Described expander is nonwoven fabrics compression body, bentonite or macromolecule sponge compression body.
Described expander is square or cylindrical.
Described sensitive switch is hilted broadsword or multipole switch.
Compared with prior art, the invention has the advantages that: once leak, it will trigger rapidly and can remain that heater circuit disconnects, and " memory " malfunction, be conducive to maintenance.
Escape protection device have employed horizontal Slide bar structure, and the control lever of sensitive switch contacts with slide bar, and the end of slide bar upwards compresses the control lever of sensitive switch, and sensitive switch is connected, and heater circuit is powered; When there being water in Storage water tank, be inflated body through through hole and absorb, expander expands, Compress Spring, and slide bar is moved to the left, and the control lever of sensitive switch falls within draw-in groove, and sensitive switch disconnects, and cuts off heater circuit.When the water evaporation of Storage water tank is dry, when expander returns to compact state, spring promotes slide bar and resets to the right, but the control lever of sensitive switch is stuck in chute, can not reset, and thus sensitive switch will continue to keep heater circuit dissengaged positions, avoid electric leakage.
When described sensitive switch is multipole switch, zero line and the live wire of circuit will be cut off simultaneously, thoroughly eliminate the hidden danger of electric leakage.
Accompanying drawing explanation
Fig. 1, structural representation of the present invention (when not leaking).
Fig. 2, structural representation of the present invention (when leaking).
Fig. 3, structural representation of the present invention (when state keeps).
Embodiment
An escape protection device for heater, comprises sensitive switch 1, slide bar 4, expander 5 and pedestal 2, and sensitive switch 1 is connected on the heater circuit (omitting in figure) of heater, the control lever 11 of sensitive switch and the end thereof contacts of slide bar 4.
Described pedestal 2 comprises Storage water tank 21, expansion chamber 22 and spring cavity 23, has through hole 24 between Storage water tank and expansion chamber, and expander 5 is arranged in expansion chamber 11, and one end of slide bar 4 contacts with expander 5, and the other end contacts with the spring 3 be fixed in spring cavity; Described slide bar 4 is provided with draw-in groove 41.
Described expander 5 is nonwoven fabrics compression body, bentonite or macromolecule sponge compression body, and its shape is square or cylindrical.When expander 5 is cylindrical, bottom surface and slide bar contact.
Described sensitive switch is hilted broadsword or multipole switch.Recommend to adopt multipole switch, cut off zero line and the live wire of heater circuit simultaneously.When avoiding other loops of heater to connect, cause zero line band high pressure, cause electric shock.
Described Storage water tank 21 is arranged at the below of heating tube, or is drained in Storage water tank in the place that in fast-heating type drinking machine, each easily leaks by conduit.
As shown in Figure 1, when normally working, the control lever of sensitive switch contacts with slide bar, and the end of slide bar upwards compresses the control lever of sensitive switch, and sensitive switch is connected, and heater circuit is powered.
As shown in Figure 2, when leaking, start retaining in Storage water tank, water 6 enters in expansion chamber 22 through through hole 24, is inflated body 5 and absorbs.Expander 5 expands, Compress Spring 3, and slide bar 4 is moved to the left, and the control lever 11 of sensitive switch falls within draw-in groove 41, and sensitive switch disconnects, and cuts off heater circuit.
As shown in Figure 1, after sensitive switch triggers, control lever 11 will fall into draw-in groove 41.Even if water 6 is done by natural evaporation, expander 5 recovers, and push rod moves right under the thrust of spring 3, will block control lever 11, will keep heater circuit dissengaged positions, when avoiding again starting, causes electric leakage.
This is designed with the safety being beneficial to protection user, prevents accidental shock, and heater can be made to keep malfunction, is conducive to checking fault and maintenance.
Claims (4)
1. the escape protection device of a heater, comprise sensitive switch (1), slide bar (4), expander (5) and pedestal (2), sensitive switch is connected on the heater circuit of heater, the control lever (11) of sensitive switch and the end thereof contacts of slide bar (4), it is characterized in that: described pedestal comprises Storage water tank (21), expansion chamber (22) and spring cavity (23), through hole (24) is had between Storage water tank and expansion chamber, expander (5) is arranged in expansion chamber (22), slide bar (4) is arranged between expansion chamber and spring cavity, and be restricted to and only can move horizontally, one end of slide bar contacts with expander (5), the other end contacts with the spring be fixed in spring cavity (3), described slide bar is provided with draw-in groove (41).
2. the escape protection device of heater according to claim 1, is characterized in that: described expander (5) is nonwoven fabrics compression body, bentonite or macromolecule sponge compression body.
3. the escape protection device of heater according to claim 1, is characterized in that: described expander (5) is for square or cylindrical.
4. the escape protection device of heater according to claim 1, is characterized in that: described sensitive switch (1) is hilted broadsword or multipole switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410432023.XA CN105448593B (en) | 2014-08-29 | 2014-08-29 | The escape protection device of heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410432023.XA CN105448593B (en) | 2014-08-29 | 2014-08-29 | The escape protection device of heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105448593A true CN105448593A (en) | 2016-03-30 |
| CN105448593B CN105448593B (en) | 2018-08-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410432023.XA Expired - Fee Related CN105448593B (en) | 2014-08-29 | 2014-08-29 | The escape protection device of heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105448593B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110931322A (en) * | 2019-11-29 | 2020-03-27 | 广东欧文特电气有限公司 | Miniature circuit breaker with electric switching-on and switching-off device |
| CN113719759A (en) * | 2021-08-19 | 2021-11-30 | 碧水源(深圳)环境净化设备制造有限公司 | Water leakage protector |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04206322A (en) * | 1990-11-30 | 1992-07-28 | Hiroyuki Marui | Water detecting method using water absorptive resin and water detector |
| CN2821472Y (en) * | 2004-04-24 | 2006-09-27 | 麦广海 | Closed micro pressure water storage water heater |
| CN103337408A (en) * | 2013-06-20 | 2013-10-02 | 宁波圣莱达电器股份有限公司 | Power switch capable of powering off quickly when meeting water |
| CN204088188U (en) * | 2014-08-29 | 2015-01-07 | 宁波金阳光电热科技有限公司 | The escape protection device of heater |
-
2014
- 2014-08-29 CN CN201410432023.XA patent/CN105448593B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04206322A (en) * | 1990-11-30 | 1992-07-28 | Hiroyuki Marui | Water detecting method using water absorptive resin and water detector |
| CN2821472Y (en) * | 2004-04-24 | 2006-09-27 | 麦广海 | Closed micro pressure water storage water heater |
| CN103337408A (en) * | 2013-06-20 | 2013-10-02 | 宁波圣莱达电器股份有限公司 | Power switch capable of powering off quickly when meeting water |
| CN204088188U (en) * | 2014-08-29 | 2015-01-07 | 宁波金阳光电热科技有限公司 | The escape protection device of heater |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110931322A (en) * | 2019-11-29 | 2020-03-27 | 广东欧文特电气有限公司 | Miniature circuit breaker with electric switching-on and switching-off device |
| CN113719759A (en) * | 2021-08-19 | 2021-11-30 | 碧水源(深圳)环境净化设备制造有限公司 | Water leakage protector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105448593B (en) | 2018-08-31 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 Termination date: 20210829 |
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| CF01 | Termination of patent right due to non-payment of annual fee |