CN209569825U - Overheat switch is used in a kind of heating - Google Patents
Overheat switch is used in a kind of heating Download PDFInfo
- Publication number
- CN209569825U CN209569825U CN201920270419.7U CN201920270419U CN209569825U CN 209569825 U CN209569825 U CN 209569825U CN 201920270419 U CN201920270419 U CN 201920270419U CN 209569825 U CN209569825 U CN 209569825U
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- fixed
- shell
- spring
- assembly
- piston
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Abstract
The utility model discloses a kind of heating overheat switches, including, the first shell, the first shell is fixed on second housing, and the closed end of heat accumulation chamber is linked and packed by memory spring and piston；Piston and the assembly of frizzen one end are fixed, and piston and heat accumulation chamber can slide axially, seal assembly；The frizzen other end enters the electrical intracavitary of second housing after passing through the first shell, second housing, and this end is assembled with trigger board after guide cylinder and fixed；The button face of trigger board and button switch；Coil connectors one end into the connection of the positive conductive of electric end and battery, current output terminal and relay of button switch is conductively connected, and the negative conductive of another coil connectors and battery connects；Connecting plate is fixed on relay1 case, coil is wrapped in outside iron core；Connecting plate and spring one end assembly are fixed, and the spring other end and the assembly of plectrum one end are fixed, and plectrum is hinged by swivel pin and relay1 case, and movable contact is additionally provided on plectrum.
Description
Technical field
The utility model relates to heaters, more particularly to a kind of heating overheat switch.
Background technique
In south, due to not having central heating, people generally use air-conditioning, floor heating, electric heater heating, at present air-conditioning,
Warm cost of use is relatively high, docks for thrifty family, general rarely needed.And electric heater has heat fast, instant
The features such as property, southern family is had been widely used at present.
But many heaters are there are no overheat switch, such as small solar warmer, electrothermal tube Table capable of heating at present,
Obviously this is very dangerous.In the past few decades, since the fire incident of heater initiation is numerous.
According to news media, autumn and winter is the fire high-incidence season.In actual use, it is taken to preferably reach
Warm effect, many users like covering woollen blanket, clothing etc. on knee or on heater, and midway user leaves, these hairs
Blanket or clothing can be covered on heater therewith, to cause high temperature and fire；User also, from the ground for using heater
It puts outgoing or evening during sleep, has forgotten to turn off heater, in addition covering combustible on heater, easily cause fire.Make
User needs to be very careful, powers off in time, but cannot still avoid fire hazard completely.
Therefore it is applicant's understanding that needing a kind of heating overheat switch currently on the market, it can pass through detection temperature
Degree, and high temperature is judged to realize the power supply for automatically cutting off electric heater, to avoid causing fire hidden due to electric heater continuous heating
Trouble or fire incident.
Utility model content
In view of the above drawbacks of the prior art, the technical problem to be solved by the utility model is to provide a kind of heating use
Overheat switch.
To achieve the above object, the utility model provides a kind of heating overheat switch, including, the first shell,
Second housing, first shell are fixed on second housing, and the first interior of shell is hollow heat accumulation chamber, the heat accumulation chamber
Closed end is linked and packed by memory spring and piston；
Piston and the assembly of frizzen one end are fixed, and piston and heat accumulation chamber can slide axially, seal assembly；The frizzen
The other end passes through the first shell, enters the electrical intracavitary of second housing after second housing, and this end pass through after guide cylinder with triggering
Plate assembly is fixed；
Guide cylinder is fixed on electrical cavity wall, and frizzen and guide cylinder can slide axially assembly, the trigger board and
The button face of button switch；The button switch into the positive conductive of electric end and battery connection, current output terminal and relay
Coil connectors one end is conductively connected, and the negative conductive of another coil connectors and battery connects；
The relay includes relay1 case, iron core, be fixed on the relay1 case connecting plate, normally-closed contact,
Normally opened contact, the coil are wrapped in outside iron core；
The connecting plate and spring one end assembly are fixed, and the spring other end and the assembly of plectrum one end are fixed, and plectrum passes through hinge
Outbound is hinged with relay1 case, and movable contact is additionally provided on plectrum；
The firewire of the movable contact and power grid is conductively connected, and the firewire incoming end of normally-closed contact and heater is conductively connected,
The zero curve incoming end of heater and the zero curve of power grid are conductively connected.
Preferably, it is off-state when the button switch original state, is in after button is compressed to setting stroke
Closed state.
Preferably, plectrum is made of the material that can be adsorbed with magnet.
Preferably, thermally conductive sheet is provided on the first outer shell outer wall.
Preferably, the first spring stack, first spring stack and memory spring are provided on the closed end of the heat accumulation chamber
One end suit is fixed, and the memory spring other end and second spring column sleeve dress are fixed；
The second spring column is fixed on one end face of piston, and piston other end and the assembly of frizzen one end are fixed.
Preferably, the frizzen other end passes through the first shell, can slide axially after second housing assembly with guide cylinder,
Guide cylinder is fixed on electrical cavity wall.
Preferably, the firewire incoming end of the normally-closed contact and buzzer, indicator light is conductively connected, buzzer, indicator light
The zero curve of included constant-current source, buzzer, the zero curve incoming end of indicator light and power grid is conductively connected.
Preferably, the memory spring is to extend at 80-90 DEG C, and 80 DEG C or less are kept intact or bounced back, and heat is used
Memory metal is made.
Preferably, conduction oil is filled between piston and heat accumulation chamber closed end.
It preferably, further include fixation kit, the fixation kit, including, the mounting groove on the first shell is set, is installed
Magnet is fixed in slot.
The beneficial effects of the utility model are: the utility model structure is simple, cost is relatively low, and there is preferable overheat to protect
Protective function is more conform with the real demand of current people.
The utility model does not use temperature sensor to detect temperature as the prior art, uses the longevity so as to improve
Life, and can effectively reduce cost, meanwhile, for function there is no weakening, this just considerably increases the utility model on the market
Competitiveness.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the relay construction schematic diagram of the utility model.
Fig. 3 is the first fixation kit structural schematic diagram of utility model.
Fig. 4 is second of fixation kit structural schematic diagram of utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples:
Referring to Fig. 1-Fig. 2, a kind of heating overheat switch, including, the first shell 100, second housing 300 are described
First shell 100 is fixed on second housing 300, and be provided on 100 outer wall of the first shell thermally conductive sheet 110, it is internal be hollow
Heat accumulation chamber 101, the first spring stack 120, first spring stack 120 and note are provided on the closed end of the heat accumulation chamber 101
Recall 210 one end of spring suit, fix, 210 other end of memory spring and the suit of second spring column 221 are fixed；
The second spring column 221 is fixed on 220 1 end face of piston, 220 other end of piston and 230 one end of frizzen
Assembly is fixed, and piston 220 and heat accumulation chamber 101 can slide axially, seal assembly；
230 other end of frizzen enters the electrical of second housing 300 after passing through the first shell 110, second housing 300
In chamber 301, and this end is assembled with trigger board 231 after guide cylinder 240 and is fixed；
Guide cylinder 240 is fixed on electrical 301 inner wall of chamber, and frizzen 230 and guide cylinder 240 can slide axially assembly,
421 face of button of the trigger board 231 and button switch 420, when 420 original state of button switch are off-state,
In closed state after button 421 is compressed to setting stroke；
Being connect into electric end with the positive conductive of battery 410 of the button switch 420, the line of current output terminal and relay 430
It encloses 4371 one end of connector to be conductively connected, coil connectors 4317 are arranged on coil 437；Another coil connectors 4371 are negative with battery
Pole is conductively connected；
The relay 430 includes relay1 case 431, iron core 436, is fixed with connection on the relay1 case 431
Plate 435, normally-closed contact 4381, normally opened contact 4382, the coil 437 is wrapped in outside iron core 436, to form electromagnet；
The connecting plate 435 is fixed with the assembly of 434 one end of spring, and 434 other end of spring and the assembly of 432 one end of plectrum are solid
Fixed, plectrum 432 is hinged by swivel pin 433 and relay1 case 431, and movable contact 4321 is additionally provided on plectrum 432, initially
When state, under the action of the spring, movable contact 4321 and normally-closed contact 4381 are conductively connected；
Plectrum 432 is made of the material that can be adsorbed with magnet, but it needs to carry out insulation processing between movable contact,
It prevents plectrum from charging, insulated enclosure circle can be set with outside movable contact, plectrum 432 is then embedded in by insulated enclosure circle again
It is interior.
In use, coil is powered, magnetic field is generated, overcomes spring force to pull downward on centered on swivel pin 433 plectrum,
So that contacting conduction with normally opened contact 4382 after movable contact and the disengaging of normally-closed contact 4381.
The firewire of the movable contact 4321 and power grid is conductively connected, and normally-closed contact 4381 and the firewire incoming end of heater are led
Electrical connection, the zero curve incoming end of heater and the zero curve of power grid are conductively connected.It is led when normally-closed contact 4381 is contacted with normally opened contact
When electric, heater is powered on.
The firewire incoming end of the normally-closed contact and buzzer 440, indicator light 450 is conductively connected, buzzer 440, instruction
Lamp 450 carries constant-current source, and buzzer, the zero curve incoming end of indicator light and grid zero line are conductively connected.
The memory spring 210 is to extend at 80-90 DEG C, and 80 DEG C or less are kept intact or bounced back, and hot memory is used
Metal is made.In use, thermally conductive sheet 110 constantly imports heat on the first shell 100, then extremely by the conduction of the first shell 100
Memory spring, memory spring 210 is by thermal stretching, to drive piston 220 mobile to button 421, until the triggering of trigger board 231 is pressed
Button 421 and button switch 420 is closed, at this point, coil obtains electric, plectrum is pulled into normally opened contact, heater power-off stops work
Make, and buzzer sounding, indicator light shine, so that user be reminded to overheat.
After heater stops working, the first shell heat decline, memory spring reaches retraction temperature, then automatic to return
Contracting, to drive piston reset, until trigger board and button fall off, at this point, coil blackout, normally-closed contact is contacted with movable contact and is led
Electricity, heater work on.
It is this to be designed as mechanical automation control, it can either guarantee to warm oneself, and can prevent from causing due to overheat
Fire.In addition battery is only coil power supply, is greatly improved the cruise duration of battery.In actual use, the first shell is fixed
Near heater heating surface.
Preferably, it in order to increase the sensitivity of memory spring, can be filled between piston and heat accumulation chamber closed end thermally conductive
Oil 250, outside heat can quickly be passed to the first shell 100 by the conduction oil.
First shell, thermally conductive sheet are made of high heat conductive material, and the second housing uses heat-barrier material system
At, and the relay, button switch, battery, buzzer, indicator light are installed in the electrical chamber 301 of second housing.
Referring to Fig. 3, for the fixation kit for fixing the utility model, the fixation kit, including, intermediate plate 130, institute
It states 130 one end of intermediate plate to be fixed on the first shell 100, the other end is open end, and 130 two pieces of intermediate plate are a pair, at least a pair of
It uses in pairs, forms clip slot 131 between every a pair of intermediate plate 130.When needing fixed the utility model, it is only necessary to press from both sides clip slot 131
Tightly on object.
It referring to fig. 4, is another fixation kit for fixing the utility model, the fixation kit, including, setting
Mounting groove 102 on the first shell 100 is fixed with magnet 140 in mounting groove 102, in use, only needing for magnet to be adsorbed on
Irony object can fix the utility model.
Preferably, sucker 150 is further fixed on the magnet, sucker 150 with plane for sucking, thus fixed originally practical
It is novel.
Place is not described in detail for the utility model, is the well-known technique of those skilled in the art.
The preferred embodiments of the present invention have been described in detail above.It should be appreciated that the ordinary skill people of this field
Member according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necks
Technical staff passes through logic analysis, reasoning or limited reality according to the design of the utility model on the basis of existing technology in domain
Available technical solution is tested, it all should be within the scope of protection determined by the claims.
Claims (10)
1. a kind of heating overheat switch, including, the first shell, second housing, first shell are fixed on outside second
On shell, it is characterized in that: the first interior of shell is hollow heat accumulation chamber, the closed end of the heat accumulation chamber passes through memory spring and piston
It is linked and packed；
Piston and the assembly of frizzen one end are fixed, and piston and heat accumulation chamber can slide axially, seal assembly；The frizzen is another
End enters the electrical intracavitary of second housing after the first shell, second housing, and this end fills after guide cylinder with trigger board
With fixation；
Guide cylinder is fixed on electrical cavity wall, and frizzen and guide cylinder can slide axially assembly, the trigger board and button
The button face of switch；The button switch into the positive conductive of electric end and battery connection, current output terminal and relay coil
Connector one end is conductively connected, and the negative conductive of another coil connectors and battery connects；
The relay includes relay1 case, iron core, and connecting plate, normally-closed contact, normally opened is fixed on the relay1 case
Contact, the coil are wrapped in outside iron core；
The connecting plate and spring one end assembly are fixed, and the spring other end and the assembly of plectrum one end are fixed, and plectrum passes through swivel pin
It is hinged with relay1 case, and movable contact is additionally provided on plectrum；
The firewire of the movable contact and power grid is conductively connected, and the firewire incoming end of normally-closed contact and heater is conductively connected, heating
The zero curve incoming end of device and the zero curve of power grid are conductively connected.
2. heating overheat switch as described in claim 1, it is characterized in that: being disconnected when the button switch original state
Open state, in closed state after button is compressed to setting stroke.
3. heating overheat switch as described in claim 1, it is characterized in that: plectrum is using the material that can be adsorbed with magnet
It is made.
4. heating overheat switch as described in claim 1, it is characterized in that: being provided on the first outer shell outer wall thermally conductive
Piece.
5. heating overheat switch as described in claim 1, it is characterized in that: being provided on the closed end of the heat accumulation chamber
First spring stack, first spring stack and memory spring one end suit, fixed, the memory spring other end and second spring
Column sleeve dress is fixed；
The second spring column is fixed on one end face of piston, and piston other end and the assembly of frizzen one end are fixed.
6. heating overheat switch as claimed in claim 1 or 5, it is characterized in that: the frizzen other end passes through the
Can slide axially after one shell, second housing with guide cylinder assembly, and guide cylinder is fixed on electrical cavity wall.
7. heating overheat switch as described in claim 1, it is characterized in that: the normally-closed contact and buzzer, instruction
The firewire incoming end of lamp is conductively connected, and buzzer, indicator light carry constant-current source, the zero curve incoming end and electricity of buzzer, indicator light
The zero curve of net is conductively connected.
8. heating overheat switch as described in claim 1, it is characterized in that: the memory spring is at 80-90 DEG C
Elongation, 80 DEG C or less are kept intact or are bounced back, and hot memory metal is used to be made.
9. heating overheat switch as described in claim 1, it is characterized in that: being filled out between piston and heat accumulation chamber closed end
Filled with conduction oil.
10. heating overheat switch as described in claim 1, it is characterized in that: further include fixation kit, described fixed group
Part, including, the mounting groove on the first shell is set, is fixed with magnet in mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920270419.7U CN209569825U (en) | 2019-03-04 | 2019-03-04 | Overheat switch is used in a kind of heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920270419.7U CN209569825U (en) | 2019-03-04 | 2019-03-04 | Overheat switch is used in a kind of heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209569825U true CN209569825U (en) | 2019-11-01 |
Family
ID=68334534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920270419.7U Expired - Fee Related CN209569825U (en) | 2019-03-04 | 2019-03-04 | Overheat switch is used in a kind of heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209569825U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112762504A (en) * | 2021-02-02 | 2021-05-07 | 河北晖普采暖设备有限公司 | Novel air-out of heat accumulation formula electric heater device |
-
2019
- 2019-03-04 CN CN201920270419.7U patent/CN209569825U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112762504A (en) * | 2021-02-02 | 2021-05-07 | 河北晖普采暖设备有限公司 | Novel air-out of heat accumulation formula electric heater device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191101 Termination date: 20200304 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |