CN101083174A - Switch having explosion prevention function for household electrical appliance - Google Patents
Switch having explosion prevention function for household electrical appliance Download PDFInfo
- Publication number
- CN101083174A CN101083174A CN 200610083416 CN200610083416A CN101083174A CN 101083174 A CN101083174 A CN 101083174A CN 200610083416 CN200610083416 CN 200610083416 CN 200610083416 A CN200610083416 A CN 200610083416A CN 101083174 A CN101083174 A CN 101083174A
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- switch
- box body
- clarinet
- prevention function
- explosion prevention
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- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention relates to an explosion-proof function switch, which belongs to the gate lamp switch as well as the switching element of the thermostat. It is composed of key-press, switch box body which contains the circuit switching installment, touch foot which connects the circuit and soft gum cover and the outer covering, the soft gum cover covers on the switch-box body and with the box body forms the cavity hold the key-press, the box body corresponds the aperture of the key-press located in the cavity, the outer covering nests on the soft gum cover which contacts the switch-box body, the soft gum cover hermetic connects the switch-box body, the touch foot hermetic connects the switch-box body, the air in the cavity and the switch-box body inner space is isolated with the air in the switch-box body exterior space. The explosion-proof function switch also can be the clarinet switch which is composed of the clarinet body and the touch foot of junction circuit. The explosion-proof function switch has low cost and easy to install and maintenance.
Description
Technical field
The present invention relates to a kind of explosion-proof function switch that has that is used for household electrical appliances.
Background technology
Existing this type of switch does not all have explosion prevention function, mainly is the poor sealing of switch, and gas enters the inside easily, can't accomplish explosion-proof.
Documents 1, the patent No. is to disclose a kind of flame-proof switch in 01217314.2 the Chinese patent literature, as shown in Figure 1, it comprises an insulation crust 11 ' and is installed in the interior control circuit board 12 ' of insulation crust that circuit board is connected with plug 14 ' by drawing lead 13 '.But embedding flame-retardant epoxide resin material between shell and the control circuit board, and through vacuumizing processing, curing molding, circuit board is connected with plug by drawing lead, and silicon rubber 15 ' sealing can be adopted in the joint.The utility model is not only safe in utilization, reliable, and long service life.
The above used construction of switch complexity of invention is difficult for realizing, is difficult for the defective of installation and maintenance.Be to solve the above-mentioned deficiency of prior art, the inventor is according to the own professional knowledge that is possessed and the experience of long-term work, and through test in a large number, contrast by analysis proposes a kind of being equipped with and has the explosion prevention function switch.
Summary of the invention
For overcoming the defective of above-mentioned prior art, the object of the present invention is to provide a kind of explosion-proof function switch that has that is used for household electrical appliances.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of household electrical appliances that are equipped with explosion prevention function switch, described have door lamp switch that the explosion prevention function switch is and a switch block in the thermostat, it is characterized in that, described have the explosion prevention function switch by button, in the switch box body of circuit closing device is arranged, the haptic element of connecting circuit and flexible glue cover and shell constitute, described flexible glue cover is enclosed within on the switch enclosure body and with box body and constitutes the cavity that holds button, the opening of the corresponding button of box body is positioned at described cavity, shell is nested in the flexible glue that contacts with the switch box body and puts, the flexible glue cover is connected with the sealing of switch box body, being connected of described haptic element and switch box body sealing, the gas of described cavity and switch box body inner space and switch enclosure external body space gas-insulated.
The gas of described cavity and switch box body inner space is inert gas, can prevent the oxidation of switch contact like this, prolongs the pot life of switch.
The gas of described cavity and switch box body inner space is nitrogen, can prevent the oxidation of switch contact like this, prolongs the pot life of switch.
The haptic element of described connecting circuit is a metal pin.The design of employing pin can make things convenient for the installation and removal of flame-proof switch, is easy to safeguard and change.
Increase a shell and flexible glue cover in the such scheme on switch, in gum cover injecting glue sealing between switch, the sheet metal place also wants the injecting glue sealing, and whole like this switch just is in the state of sealing, and extraneous gas also just can't enter, thereby has reached explosion-proof function.Described have door lamp switch that the explosion prevention function switch can be used as and a switch block in the thermostat.
In addition, because, list in, the usage frequency of door of refrigerator lamp switch is more frequent, and door often has bigger impulsive force when closing, this just causes the above-mentioned flexible glue cover with explosion prevention function switch aging damaged easily, thereby the present invention also provides another to have the door lamp switch that the explosion prevention function switch is, it is characterized in that, it is described that to have the explosion prevention function switch be the clarinet switch, described clarinet switch is that the haptic element by clarinet body and connecting circuit constitutes, and described clarinet body is airtight body.Can utilize the door magnetic stripe that has usually on the refrigerator doors to control opening of described clarinet switch, a permanent magnet also can be installed in the position of refrigerator doors correspondence control opening of described clarinet switch with closed with closed.
Gas in the described clarinet body is inert gas.
Gas in the described clarinet body is nitrogen.
In the described clarinet body is vacuum state.
More than three kinds of schemes can guarantee the operate as normal of flame-proof switch, prolong the service time of switch.
The haptic element of described connecting circuit is the needle-like pin.This design can make things convenient for the installation and removal of flame-proof switch, is easy to safeguard and change.
The door lamp switch that this switch is used for, it is characterized in that having a groove to be positioned at the frame that refrigerator body contacts with refrigerator doors, the needle-like pin is plugged in the jack in the groove, the clarinet body is arranged in described groove, and a described permanent magnet is installed on the position of refrigerator doors correspondence.
Use beneficial effect of the present invention to be: can guarantee that gas can not enter switch inside, reaches explosion-proof purpose; And switch is with low cost, is easy to promote the use of.
Description of drawings
Fig. 1 is a prior art constructions schematic diagram in the documents;
Fig. 2 is the vertical view of flame-proof switch
Fig. 3 is the front view of flame-proof switch
Fig. 4 is the left side view of flame-proof switch
Fig. 5 is the front view of clarinet switch
Fig. 6 is the schematic diagram that the refrigerator with explosion prevention function switch is housed
Embodiment
Below by specific embodiment, the present invention is described in detail for accompanying drawing in addition.
Specific embodiment 1
A kind of because household electrical appliances have an explosion prevention function switch, described have door lamp switch that the explosion prevention function switch is and a switch block in the thermostat.Described have explosion prevention function switch 10 by button 15, in have the haptic element 14 of switch box body 11, connecting circuit of circuit closing device and flexible glue cover 13 and shell 12 to constitute.Described flexible glue cover 13 is enclosed within on the switch box body 11 and with box body 11 and constitutes the cavity 16 that holds button, and the opening of the corresponding button of box body is positioned at described cavity 16.Shell 12 is nested on the flexible glue cover 13 that contacts with the switch box body, and flexible glue cover 13 is connected with 11 sealings of switch box body, i.e. the 21 places injecting glue sealing of slit between flexible glue cover 13 and switch box body 11.Described haptic element 14 is connected with 11 sealings of switch box body, i.e. the 22 places injecting glue sealing of slit between haptic element 14 and switch box body 11.The gas of described like this cavity 16 and switch box body inner space and switch enclosure external body space gas-insulated.At described cavity 16 and switch box body inner space inert gas injecting, normally used gas is nitrogen, can prevent the oxidation of switch contact like this, prolongs the pot life of switch.The haptic element 14 of connecting circuit is a metal pin.The design of employing pin can make things convenient for the installation and removal of flame-proof switch 10, is easy to safeguard and change.
On switch, increase a flexible glue cover 13 and shell 12 in the such scheme, in gum cover 13 injecting glue sealing between switch box body 11, also injecting glue sealing of 22 places, slit that metal pin 14 contacts with switch box body 11, and in switch box body 11 nitrogen injection, whole like this switch just is in the state of sealing, extraneous gas also just can't enter, thereby has reached explosion-proof function.
During described door lamp switch with 10 conducts of explosion prevention function switch.When refrigerator doors was closed, button 15 was pressed by the door body, and gate light is closed.When refrigerator doors was opened, button 15 recovered to upspring, and gate light is opened.
Described when having explosion prevention function switch 10 as the switch block in the thermostat.When temperature rises, when the temperature sensing part in the thermostat was stretched to the length of setting, button 15 was pressed by temperature sensing part, opens the cooling circuit.When temperature decline, when the temperature sensing part in the thermostat was shunk less than the length of setting, button 15 recovered to upspring, and the cooling circuit is closed.
Because the usage frequency of door lamp switch is more frequent, and door often has bigger impulsive force when closing, this just may cause the above-mentioned flexible glue cover with explosion prevention function switch aging damaged, thereby the present invention also provides another to have the door lamp switch of explosion prevention function switch.Described to have the explosion prevention function switch be clarinet switch 30, and this clarinet switch 30 is that the haptic element 32 by clarinet body 31 and connecting circuit constitutes, and described clarinet body 31 is airtight body.Gas in the described clarinet body 31 is helium or nitrogen, can guarantee the operate as normal of flame-proof switch like this, prolongs the service time of switch.The haptic element 32 of connecting circuit is the needle-like pin, and the needle-like pin is plugged in the jack that connects the gate light circuit, and this design can make things convenient for the installation and removal of flame-proof switch, is easy to safeguard and change.
One groove 44 is arranged at the top of the framework 43 that contacts with refrigerator doors 42 at refrigerator body 41, be provided with jack 45 in the groove, clarinet switch 30 is plugged in the jack 45 that connects the gate light circuit by the haptic element 32 of needle-like pin, clarinet body 31 is arranged in described groove 44, in the position of refrigerator doors 42 respective slot 45 permanent magnet 46 is installed.When refrigerator doors 42 was closed, permanent magnet 46 was near clarinet switch 30 and make clarinet switch 30 be in the state of disconnection, and gate light is closed.When refrigerator doors 42 was opened, permanent magnet 46 was away from clarinet switch 30, and clarinet switch 30 reverts to the state that circuit connects, and gate light is opened.
By above two specific embodiments as seen, the present invention has following outstanding effect:
1, the inside and outside space of switch in being installed on is isolated fully, thereby has realized good explosion-proof effect;
2, above-mentioned construction of switch is simple, and is with low cost, is easy to promote the use of;
3, above-mentioned switch all adopts the connected mode of grafting, easily installation and maintenance.
Claims (10)
1. one kind is equipped with and has the explosion prevention function switch, it is characterized in that, described have the explosion prevention function switch by button, in the switch box body of circuit closing device is arranged, the haptic element of connecting circuit and flexible glue cover and shell constitute, described flexible glue cover is enclosed within on the switch enclosure body and with box body and constitutes the cavity that holds button, the opening of the corresponding button of box body is positioned at described cavity, shell is nested in the flexible glue that contacts with the switch box body and puts, the flexible glue cover is connected with the sealing of switch box body, being connected of described haptic element and switch box body sealing, the gas of described cavity and switch box body inner space and switch enclosure external body space gas-insulated.
2. the explosion prevention function switch described in claim 1 is characterized in that, the gas of described cavity and switch box body inner space is inert gas.
3. the explosion prevention function switch described in claim 2 is characterized in that, the gas of described cavity and switch box body inner space is nitrogen.
4. the explosion prevention function switch described in claim 1 or 2 or 3 is characterized in that, the haptic element of described connecting circuit is a metal pin.
5. one kind is equipped with the household electrical appliances with explosion prevention function switch, it is characterized in that, described to have the explosion prevention function switch be the clarinet switch, and described clarinet switch is that the haptic element by clarinet body and connecting circuit constitutes, and described clarinet body is airtight body.
6. the household electrical appliances described in claim 5 is characterized in that, the gas in the described clarinet body is inert gas.
7. the household electrical appliances described in claim 5 is characterized in that, the gas in the described clarinet body is nitrogen.
8. the household electrical appliances described in claim 5 is characterized in that, are vacuum state in the described clarinet body.
9. the household electrical appliances described in claim 5 or 6 or 7 or 8 is characterized in that, the haptic element of described connecting circuit is the needle-like pin.
10. household electrical appliances described in claim 9, it is characterized in that, the frame that the casing that has a groove to be positioned at described household electrical appliances contacts with door, the needle-like pin is plugged in the jack in the groove, the clarinet body is arranged in described groove, and a permanent magnet that is used to control the clarinet switch is installed on the position of refrigerator doors correspondence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610083416 CN101083174A (en) | 2006-05-31 | 2006-05-31 | Switch having explosion prevention function for household electrical appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610083416 CN101083174A (en) | 2006-05-31 | 2006-05-31 | Switch having explosion prevention function for household electrical appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101083174A true CN101083174A (en) | 2007-12-05 |
Family
ID=38912636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610083416 Pending CN101083174A (en) | 2006-05-31 | 2006-05-31 | Switch having explosion prevention function for household electrical appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101083174A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105097310A (en) * | 2014-05-12 | 2015-11-25 | 钟志刚 | Cover type switch |
| CN106971879A (en) * | 2014-04-24 | 2017-07-21 | 姬志强 | A kind of square rail electromechanical linkage explosion-proof switch |
| CN110571071A (en) * | 2018-06-05 | 2019-12-13 | 上海三菱电梯有限公司 | plug-in contact switch, socket assembly and elevator |
-
2006
- 2006-05-31 CN CN 200610083416 patent/CN101083174A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106971879A (en) * | 2014-04-24 | 2017-07-21 | 姬志强 | A kind of square rail electromechanical linkage explosion-proof switch |
| CN107481876A (en) * | 2014-04-24 | 2017-12-15 | 姬志强 | A kind of square rail electromechanical linkage explosion-proof switch electromechanical linkage box housing |
| CN106971879B (en) * | 2014-04-24 | 2019-01-01 | 河北世勇科技有限公司 | A kind of square rail electromechanical linkage explosion-proof switch |
| CN105097310A (en) * | 2014-05-12 | 2015-11-25 | 钟志刚 | Cover type switch |
| CN110571071A (en) * | 2018-06-05 | 2019-12-13 | 上海三菱电梯有限公司 | plug-in contact switch, socket assembly and elevator |
| CN110571071B (en) * | 2018-06-05 | 2021-05-25 | 上海三菱电梯有限公司 | Plug-in contact switch, socket assembly and elevator |
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| C06 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |