CN2572548Y - Combined overcurrent, overheat, cut off delay composite type heat protector - Google Patents
Combined overcurrent, overheat, cut off delay composite type heat protector Download PDFInfo
- Publication number
- CN2572548Y CN2572548Y CN 02264721 CN02264721U CN2572548Y CN 2572548 Y CN2572548 Y CN 2572548Y CN 02264721 CN02264721 CN 02264721 CN 02264721 U CN02264721 U CN 02264721U CN 2572548 Y CN2572548 Y CN 2572548Y
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- overheated
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Abstract
The utility model relates to a combined overcurrent, overheat, switching off delay composite heat protector, which can protect rotary motors of various electric apparatuses stopping damage caused by overcurrent and over temperature because of blocking circulation or overload. The utility model is also suitable for overcurrent, overheat and switching off delay protection of lighting lamps or similar electric heat electric apparatuses. The utility model is provided with a casing, fixing conductive sheets of a movable contact, a fixing seat, a bimetallic element, a movable contact, fixing conductive sheets of a static contact and a static contact, wherein, the fixing seat is arranged in the casing; the bimetallic element assembly, the static contact, and an assembly combined with the fixing conductive sheets of the static contact are respectively fixed to a fixing groove of the fixing seat; fixing grooves of the fixing conductive sheets of the movable and the static contacts are respectively arranged on the upper and the lower parts of the fixing seat; both sides of the fixing groove are respectively provided with a positional and directional groove; the middle part of the bimetallic element is provided with a constant temperature butterfly-shaped annular stress ring; both sides of the temperature sensing surface of the protector casing are provided with positional and directional inversed angles.
Description
Technical field
The utility model composite type overcurrent, overheated, outage time-delay composite type heat protector relates to be to the electric rotating machine of various electrical equipment because of a kind of overcurrent that electric current increases, the temperature overtemperature causes damage, overheated, outage delay protection device that stall or overload produce, also be useful for the overcurrent of lighting and similar electric heating appliance, electric equipment, overheated, outage delay protection.
Background technology
Thermal protector is widely used in after they have used thermal protector, having prolonged the useful life of electric equipments such as motor, lighting, electric heating appliance in the various electric equipments of industry and family expenses at present, has ensured people's lives and properties.The continuous development of industry and household electrical appliance, people more and more propose requirements at the higher level to safety.Present thermal protector complex structure, manufacturing process is loaded down with trivial details, production efficiency is low, is difficult to adapt to the wilderness demand of industry and various household electrical appliance.
Summary of the invention
The utility model composite type overcurrent, overheated, outage time-delay composite type heat protector are improved a kind of novel thermel protection devices in addition on the basis of the plug-in unit combination embedded thermal protection device (ZL95240693.4) of applicant application, and its more reasonable structure, manufacturing process is simpler, production efficiency is high, low cost of manufacture, use are more convenient.
Composite type overcurrent, overheated, outage time-delay composite type heat protector take following scheme to realize: composite type overcurrent, overheated, outage time-delay composite type heat protector structure comprise shell, moving contact fixed-conductive film, holder, bimetallic element, moving contact, fixed contact fixed-conductive film, fixed contact.Device has holder in the shell, the bimetallic element assembly that the moving contact fixed-conductive film is welded with moving contact with an end is fixed in the holddown groove of moving contact fixed-conductive film of holder, the assembly that is combined with the fixed contact fixed-conductive film by fixed contact is fixed in the holddown groove of fixed contact fixed-conductive film of holder, be combined into assembly, use epoxy sealing.The holddown groove of the holddown groove of moving contact fixed-conductive film and fixed contact fixed-conductive film is separately positioned on the holder upper and lower part.Holder can adopt insulation holder or PTC heating holder.Shell can adopt plastic casing or metal shell.Composite type overcurrent, one side overheated, at the fixed contact fixed-conductive film when outage time-delay composite type heat protector adopts metal shell are lined with insulating trip; select the insulation holder for use when being used for the protection of overcurrent, overheat composite type heat, select PTC heating holder when being used for overcurrent, overheated, outage time-delay composite type heat protection for use.The centre of bimetallic element is provided with constant temperature butterfly ring-type circle stress.
Select the operation principle of insulation holder when being used for overcurrent, overheat composite type protection for use: two conducting strips are inserted protected electric loop respectively, and electric current is imported through bimetallic element, moving contact, fixed contact, is exported by the fixed contact fixed-conductive film by the moving contact conducting strip.When ambient temperature reaches the rated function temperature value of bimetallic element or the electric current by thermal protector and makes the bimetallic element temperature rise to the rated function temperature value of bimetallic element; bimetallic element is because the rapid counteragent of constant temperature butterfly ring-type circle stress energy; cut off circuit; thereby make the protected electrical equipment no longer continue to heat up, reached the purpose of overcurrent, overtemperature protection.When ambient temperature dropped to the specified recovery temperature value of bimetallic element, bimetallic element be because constant temperature ring-type circle stress can recover reset condition rapidly, and thermal protector can automatic processing circuit, and protected electrical equipment works on.
Select the operation principle of PTC heating holder when being used for overcurrent, overheated, outage time-delay composite type heat protection for use: two conducting strips are inserted protected electric loop respectively, electric current by the input of moving contact conducting strip through bimetallic element, moving contact, fixed contact, export by the fixed contact fixed-conductive film again.When ambient temperature reaches the rated function temperature value of bimetallic element or the electric current by thermal protector and makes the bimetallic element temperature rise to the rated function temperature value of bimetallic element, bimetallic element is because the rapid counteragent of constant temperature butterfly ring-type circle stress energy, the sound contact separately, cut off circuit, thereby make protected electrical equipment no longer continue to heat up, but the protection of this outage time-delay composite type heat is to select the fixing heating seat of PTC for use, when disjunction after-current in sound contact passes through bimetallic element by the moving contact conducting strip, the PTC holder that generates heat, again by the new heating loop of fixed contact fixed-conductive film output formation, thereby the temperature maintenance of thermal protector is being higher than specified recovery temperature value, and protected electrical equipment is in protected state; When cutting off circuit; when ambient temperature dropped to the specified recovery temperature value of bimetallic element, bimetallic element be because constant temperature ring-type circle stress can recover reset condition rapidly, and the sound contact of thermal protector can auto-closing; reclose circuit after fixing a breakdown, protected electrical equipment works on.Reached the purpose of overcurrent, overheated, outage delay protection.
Be used for protected electrical equipment general electric or that the insulation safety performance requirement is high and adopt PBT engineering plastics shell; Being used for the demanding heat conduction of compressive resistance has the protected electrical equipment of naked light to adopt metal shell soon, because the metal shell conduction is provided with insulating trip between shell and the fixed contact fixed-conductive film.
The utility model composite type overcurrent, overheated, outage time-delay composite type heat protector is rational in infrastructure, manufacturing process is simple, production efficiency is high, low cost of manufacture, easy to use.Be a kind of electric rotating machine that can be widely used in various electrical equipment because of a kind of overcurrent that electric current increases, the temperature overtemperature causes damage, overheated, outage delay protection device that stall or overload produce; also be useful for the overcurrent of lighting and similar electric heating appliance, electric equipment, overheated, outage delay protection; highly sensitive; good reliability has the excellent popularization using value.
Description of drawings
The utility model is described in further detail below with reference to accompanying drawing.
Fig. 1 is composite type overcurrent, overheated, outage time-delay composite type heat protector structural representation.
Fig. 2 is composite type overcurrent, overheated, outage time-delay composite type heat protector structure upward view.
Fig. 3 is composite type overcurrent, overheated, outage time-delay composite type heat protector structure vertical view.
Fig. 4 is composite type overcurrent, overheated, outage time-delay composite type heat protector A-A cutaway view.
Fig. 5 is composite type overcurrent, overheated, outage time-delay composite type heat protector employing metal shell structural representation.
Embodiment
With reference to accompanying drawing 1～4, composite type overcurrent, overheated, outage time-delay composite type heat protector structure comprise shell 3, moving contact fixed-conductive film 1, holder 2, bimetallic element 4, moving contact 5, fixed contact fixed-conductive film 7, fixed contact 6.Devices have holder 2 in composite type overcurrent, overheated, the outage time-delay composite type heat protector shell 3, and bimetallic element 4 assemblies that moving contact fixed-conductive film 1 is welded with moving contact 5 with an end are fixed in the holddown groove 11 of moving contact fixed-conductive film 1 of holder 2; The assembly that is combined with fixed contact fixed-conductive film 7 by fixed contact 6 is fixed in the holddown groove 12 of fixed contact fixed-conductive film 7 of holder 2, is combined into assembly, with epoxy 8 sealings.Holder 2 can adopt insulation holder or PTC heating holder.Shell 3 can adopt plastic casing or metal shell.Because bimetallic element 4 assemblies that the effect of shell 3 and sealing epoxy 8 is welded with moving contact fixed-conductive film 1 and an end moving contact 5 and the assembly that fixed contact 6 combines with fixed contact fixed-conductive film 7 are fixed in the holddown groove 12 of the holddown groove 11 of moving contact fixed-conductive film of the holder 2 that insulate and fixed contact fixed-conductive film 7 simultaneously; moving contact 5 is contacted with fixed contact 6; the centre of bimetallic element 4 is provided with constant temperature butterfly ring-type circle stress 13; when ambient temperature reaches the rated function temperature value of bimetallic element 4 or the electric current by thermal protector and makes bimetallic element 4 temperature rise to the rated function temperature value of bimetallic element 4; bimetallic element 4 is because the rapid counteragent of constant temperature butterfly ring-type circle stress 13 energy; thereby moving contact 5 and fixed contact 6 can be disconnected or closure rapidly, its signal output is finished by moving contact fixed-conductive film 1 and fixed contact fixed-conductive film 7.The holddown groove 11 of moving contact fixed-conductive film is separately positioned on holder 2 upper and lower parts with the holddown groove 12 of fixed contact fixed-conductive film 7. Holddown groove 11,12 both sides of the holder 2 of moving contact fixed-conductive film 1 and fixed contact fixed-conductive film 7 are respectively arranged with location, orientation notch.Moving contact fixed-conductive film 1 and fixed contact fixed-conductive film 7 are provided with leveling pit 10,16 with shell 3 contact-making surfaces.Temperature-sensitive face 14 both sides at protector outer casing are provided with location, directed chamfering 15.
With reference to accompanying drawing 1,2, bimetallic element 4 assemblies that composite type overcurrent, overheated, outage time-delay composite type heat protector adopt device one side in the metal shell 3 to have moving contact fixed-conductive film 1 that an end is welded with moving contact 5 are fixed in the holddown groove 11 of moving contact fixed-conductive film 1 of insulation holder or PTC heating holder 2; The assembly that another side is combined with fixed contact fixed-conductive film 7 by fixed contact 6 be fixed in the holddown groove 12 of fixed contact fixed-conductive film 7 of insulation holder or PTC heating holder 2 and and shell 3 between be provided with insulating trip 9 combinations assembly with 8 sealings of sealing epoxy; because being fixed on insulate holder or PTC simultaneously, bimetallic element 4 assemblies that the effect of shell 3 and sealing epoxy 8 is welded with moving contact fixed-conductive film 1 and an end moving contact 5 and the assembly that fixed contact 6 combines with fixed contact fixed-conductive film 7 generate heat in the holddown groove 12 of the holddown groove 11 of moving contact fixed-conductive film of holder 2 and fixed contact fixed-conductive film 7; moving contact 5 is contacted with fixed contact 6; the centre of bimetallic element 4 is provided with constant temperature butterfly ring-type circle stress 13; when ambient temperature reaches the rated function temperature value of bimetallic element 4 or the electric current by thermal protector and makes bimetallic element 4 temperature rise to the rated function temperature value of bimetallic element 4; bimetallic element 4 is because the rapid counteragent of constant temperature butterfly ring-type circle stress 13 energy; thereby moving contact 5 and fixed contact 6 can be disconnected or closure rapidly, its signal output is finished by moving contact fixed-conductive film 1 and fixed contact fixed-conductive film 7.
Claims (9)
1, a kind of composite type overcurrent, overheated, outage time-delay composite type heat protector have shell, it is characterized in that also having the moving contact fixed-conductive film, holder, bimetallic element, moving contact, fixed contact fixed-conductive film, fixed contact; Device has holder in the shell, the bimetallic element assembly that the moving contact fixed-conductive film is welded with moving contact with an end is fixed in the holddown groove of moving contact fixed-conductive film of holder, the assembly that is combined with the fixed contact fixed-conductive film by fixed contact is fixed in the holddown groove of fixed contact fixed-conductive film of holder, is combined into assembly.
2, composite type overcurrent according to claim 1, overheated, outage time-delay composite type heat protector is characterized in that the holddown groove of moving contact fixed-conductive film and the holddown groove of fixed contact fixed-conductive film are separately positioned on the holder upper and lower part.
3, composite type overcurrent according to claim 1, overheated, outage time-delay composite type heat protector is characterized in that holder adopts insulation holder or PTC heating holder.
4, composite type overcurrent according to claim 1, overheated, outage time-delay composite type heat protector is characterized in that shell adopts plastic casing or metal shell.
5, according to claim 1 or 4 described composite type overcurrents, overheated, outage time-delay composite type heat protector, it is characterized in that the one side at the fixed contact fixed-conductive film was lined with insulating trip when protector outer casing adopted metal shell.
6, composite type overcurrent according to claim 1, overheated, outage time-delay composite type heat protector is characterized in that the centre of bimetallic element is provided with constant temperature butterfly ring-type circle stress.
7, composite type overcurrent according to claim 1, overheated, outage time-delay composite type heat protector is characterized in that the holddown groove both sides of the holder of moving contact fixed-conductive film and fixed contact fixed-conductive film are respectively arranged with location, orientation notch.
8, composite type overcurrent according to claim 1, overheated, outage time-delay composite type heat protector is characterized in that the temperature-sensitive face both sides of protector outer casing are provided with location, directed chamfering.
9, composite type overcurrent according to claim 1, overheated, outage time-delay composite type heat protector is characterized in that moving contact fixed-conductive film and fixed contact fixed-conductive film and housing contacts face are provided with the leveling pit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02264721 CN2572548Y (en) | 2002-09-28 | 2002-09-28 | Combined overcurrent, overheat, cut off delay composite type heat protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02264721 CN2572548Y (en) | 2002-09-28 | 2002-09-28 | Combined overcurrent, overheat, cut off delay composite type heat protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2572548Y true CN2572548Y (en) | 2003-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02264721 Expired - Fee Related CN2572548Y (en) | 2002-09-28 | 2002-09-28 | Combined overcurrent, overheat, cut off delay composite type heat protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2572548Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103578850A (en) * | 2013-11-08 | 2014-02-12 | 南京海川电子有限公司 | Multifunctional motor protector |
| CN106169394A (en) * | 2016-08-30 | 2016-11-30 | 艾新(苏州)电子控制器件有限公司 | Refrigerating Compressor with Inverter protector and socket |
| CN107768191A (en) * | 2016-08-18 | 2018-03-06 | 苏州工业园区凯恩电子科技有限公司 | Current temperature protector |
-
2002
- 2002-09-28 CN CN 02264721 patent/CN2572548Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103578850A (en) * | 2013-11-08 | 2014-02-12 | 南京海川电子有限公司 | Multifunctional motor protector |
| CN103578850B (en) * | 2013-11-08 | 2015-11-18 | 南京海川电子有限公司 | Protector for electric machine |
| CN107768191A (en) * | 2016-08-18 | 2018-03-06 | 苏州工业园区凯恩电子科技有限公司 | Current temperature protector |
| CN106169394A (en) * | 2016-08-30 | 2016-11-30 | 艾新(苏州)电子控制器件有限公司 | Refrigerating Compressor with Inverter protector and socket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030910 Termination date: 20110928 |