CN105529216A - Outage reset thermal protector - Google Patents
Outage reset thermal protector Download PDFInfo
- Publication number
- CN105529216A CN105529216A CN201610055995.0A CN201610055995A CN105529216A CN 105529216 A CN105529216 A CN 105529216A CN 201610055995 A CN201610055995 A CN 201610055995A CN 105529216 A CN105529216 A CN 105529216A
- Authority
- CN
- China
- Prior art keywords
- thermal protector
- layer
- shell
- power
- moving contact
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H37/00—Thermally-actuated switches
- H01H37/02—Details
- H01H37/32—Thermally-sensitive members
- H01H37/52—Thermally-sensitive members actuated due to deflection of bimetallic element
- H01H37/54—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting
- H01H37/5427—Thermally-sensitive members actuated due to deflection of bimetallic element wherein the bimetallic element is inherently snap acting encapsulated in sealed miniaturised housing
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Thermally Actuated Switches (AREA)
Abstract
The invention discloses an outage reset thermal protector, aims to provide an outage reset thermal protector provided with test and having high safety performance, and solves the problem of inconvenience in fault acquisition due to no test device of the protector. The technical scheme has keys that a positive temperature coefficient (PTC) device is arranged on a shell, connected in parallel onto a movable contact and a static contact and fixed by a steel clip, a heating filament is arranged on the upper surface of a bottom plate, a test port is reserved, and an intelligent coating layer is arranged on the shell and is one or more of a photochromic coating layer, an electrochromic coating layer and a thermochromic coating layer. By the outage reset thermal protector, the effects of improving the safety performance of application, facilitating a test in advance before usage and improving the reliability are achieved.
Description
Technical field
The present invention relates to appliance component, more particularly, it relates to power-off restoration thermal protector.
Background technology
Thermal protector is widely used in the fields such as various industrial automation equipment, Aero-Space and various weaponrys.As overload or stall situation appear in motor in the course of the work, now the electric current of motor coil will increase, cause coil heating, if fault can not get getting rid of, just likely cause the insulating barrier of coil to be destroyed, cause burning of whole motor, even can breaking out of fire, make whole device damage, cause serious security incident.And for example weaponry needs the temperature at close supervision engine or bullet position, prevent the too high serious accident such as cause that the damage of engine or bullet portion blast of abnormal temperature.Therefore these equipment are generally all arranged and set foot in the heat condition that temperature protector carrys out watch-dog; once there is temperature anomaly situation; protector can sense variations in temperature fast; and judge; make protector cut-out circuit or formation feed back signal to master control system, alert device operating personnel fix a breakdown in time.
At present, on market (application number is that the Chinese patent of CN201110413749.5 discloses a kind of Automatic-resetting miniature overcurrent, overheat protector), it is connected two binding posts respectively on shell with conductive soleplate, insulating paper is clamped between shell and conductive soleplate, insulating paper on the through hole offered be fixedly connected with fixed contact, arrange bimetal disk in the enclosure, one end of bimetal disk is fixedly connected in shell by iron nail pushes up, the other end of bimetal disk is fixedly connected with moving contact, the present invention using bimetal disk as senser, the heat produced when temperature or electric current raise is delivered to bimetal disk, reach rated function temperature value, under the effect of bimetal disk, moving contact is action rapidly just, be separated with fixed contact, namely loop is caused to disconnect, cut off circuit, to reach overcurrent to electrical equipment or overheated protection.
And for example open (bulletin) number is a kind of thermal protector of Chinese patent of CN204242949U, base plate is provided with bottom the insulated enclosure paper of half frame-type structure, the outer surface that shell is arranged on base plate forms a spatial accommodation, bimetal leaf is positioned at spatial accommodation, one end is fixed on the upper end face in described shell by fixing iron nail, other end bottom is provided with moving contact, and the position corresponding with described moving contact is fixed contact, and heating wire is arranged on the upper surface of described base plate; The PTC thermistor that thermal protector of the present invention inside adopts, by lower surface spary one deck silver slurry layer respectively thereon, to form on PTC conducting surface under conducting surface and PTC, alternative metals chip architecture, effectively reduces the structure space of thermal protector.
But above structure is for the neither one testing apparatus of protector; if the bimetal leaf of protector makes its switch failure due to loses in performance or other faults; and user can not effectively judge this in advance; thus easily cause the generation of security incident; and likely owing to employing the protector of fault and causing the damage of equipment; substantially increase the maintenance cost of equipment, as from the foregoing, on the basis of existing technology the research in this direction is had great application prospect.
Summary of the invention
For the deficiency that prior art exists, the object of the invention is to: provide from tape test and the high power-off restoration thermal protector of security performance.
Above-mentioned technical purpose of the present invention is achieved by the following technical programs: a kind of power-off restoration thermal protector, comprise insulated enclosure paper, described insulated enclosure paper is half frame-type structure, base plate is provided with bottom described insulated enclosure paper, also include shell, fixing iron nail, bimetal leaf, moving contact, fixed contact and heating wire, the outer surface that described shell is arranged on described base plate forms a spatial accommodation, described bimetal leaf is positioned at described spatial accommodation, one end is fixed on the upper end face in described shell by fixing iron nail, other end bottom is provided with moving contact, the position corresponding with described moving contact is provided with fixed contact, described shell is provided with the PTC device be parallel on moving contact and fixed contact, described PTC device is fastened by steel, described heating wire is arranged on the upper surface of described base plate, and leave test port, described shell is provided with smart coat, described smart coat is photochromic coating, Electro-Discolor Coating, one or more in able thermochromic.
By above-mentioned setting, half frame-type structure effectively can save the space of enclosure, thus spatial accommodation is increased, and there are enough spaces to hold heating wire, bimetal leaf, moving contact and fixed contact etc., on the other hand, the spatial accommodation formed by base plate and shell can effectively for heating wire provides heat radiation to transmit space, bimetal leaf is just as switch, in order to fault overtemperature protection, due to both deformation degree varies samples in overheated, thus can bend, and then moving contact and fixed contact can be made to disconnect when temperature is too high, the object arranging heating wire is mainly the test before using, different with existing using method, this thermal protector heating wire when using in motor or other circuit does not work, the heating wire of this thermal protector is the performance quality for testing bimetal leaf, test port is in order to connect external power supply, now bimetal leaf is if good, can detect thermal protector cold time is channel status, by external power supply, heating wire is powered, thus heating wire is generated heat, so will due to high temperature open circuit, make the interface open circuit of thermal protector, if bimetal leaf is bad, so would not there is action to temperature, thus the quality of bimetal leaf can be gone out, in case the thermal protector of operational failure by direct-detection.On the other hand, owing to being provided with smart coat on shell, be applied in this operative scenario, effectively can carry out fault alarm and instruction, photochromic coating can be used for anti-counterfeiting mark, the warning of ultraviolet power, prevent device damage, Electro-Discolor Coating in order to detection of electrical leakage and can be warned, and able thermochromic, in order to indicated temperature situation, improves fail safe and practicality.
Can be preferably as concrete scheme of the present invention: described heating wire is tubulose or sheet, and described heating wire is also in series or in parallel with potentiometer.
By above-mentioned setting, increase the contact area of heating wire, simultaneously can the caloric value of regulation heating silk by potentiometer, thus can control effectively to the electrothermal calefactive rate of heating wire, the test being convenient to user uses.
Can be preferably as concrete scheme of the present invention: described shell is also connected with detect terminals drain conditions and the detection of electrical leakage unit of instruction.
By above-mentioned setting, being detected shell by detection of electrical leakage unit, likely there is the situation of electric leakage in the binding post due to thermal protector, therefore arranges detection of electrical leakage unit and effectively can prevent contact, improves security performance.
Can be preferably as concrete scheme of the present invention: described detection of electrical leakage unit comprises the resistance be connected on shell and the neon lamp being series at resistance one end, and the other end of described neon lamp is in order to ground connection.
By above-mentioned setting, in time having electric leakage to occur, neon lamp will be breakdown and luminous, thus carry out electric leakage instruction.
Can be preferably as concrete scheme of the present invention: described detection of electrical leakage unit comprises capacity cell, resistance, LED;
The positive pole connected with outer casing of described electric capacity, minus earth;
One end of described resistance connects the positive pole of electric capacity, and the other end connects the anode of LED;
The minus earth of described LED.
By above-mentioned setting, the storage of electricity can be carried out by electric capacity, leak electricity simultaneously occur time, LED luminous warning can be made.
Can be preferably as concrete scheme of the present invention: the main line at described moving contact place is in series with tongue tube, described tongue tube is provided with magnetic part, and described magnetic part is arranged on and housing is right against tongue tube and is isolated in a space in order to control the keying of tongue tube.
By above-mentioned setting, tongue tube is as Magnetic Induction switch element, switch can be made to close when magnetic part is close, thus reach the effect of connecting circuit, the switch of tongue tube can be disconnected by controlling magnetic part simultaneously, thus effectively can cut off the main line of circuit, play the effect of a similar master switch, need when some uses manually to carry out short circuit, directly can control the open circuit that magnetic part carries out control circuit, controlled owing to being touchless by magnetic part, therefore safer, the danger of electric shock can not be there is, improve security performance.
Can be preferably as concrete scheme of the present invention: described magnetic part is provided with air bag, described air bag is in order to control the spacing between magnetic part and tongue tube.
By above-mentioned setting, the magnetic line of force due to magnetic part is skewness, with larger near field intensity, away from the non-linear decline of field intensity after a determining deviation, the spacing that therefore can control this and tongue tube effectively can play control action, and does not affect other devices again.
Can be preferably as concrete scheme of the present invention: described moving contact be provided with lattice-shaped striped and laminating be fixed on bimetal leaf.
By above-mentioned setting, be arranged to the contact area that lattice-shaped can improve moving contact and bimetal leaf, thus improve contact performance, improve reliability.
Can be preferably as concrete scheme of the present invention: described Electro-Discolor Coating adopts multi-layer compound structure, multi-layer compound structure is followed successively by environmental encapsulation layer, electrochromic activity layer, dielectric substrate, electrode layer and substrate layer from top to bottom, between electrode layer and dielectric substrate and between electrochromic activity layer and environmental encapsulation layer, a pair auxiliary electrode is installed
Wherein, substrate layer and environmental encapsulation layer are glass, quartz, polyimides, polyester, polyethylene, polypropylene, Merlon, polyurethane or organic siliconresin, electrode layer and auxiliary electrode are gold, aluminium, silver, calcium or indium tin oxide ITO, the conductive materials of dielectric substrate is lithium perchlorate, ionic liquid, trifluoromethyl sulfonic acid lithium or sodium chloride, and electrochromic activity layer is one or both compounds in polyaniline, polythiophene or polypyrrole.
By above-mentioned setting, the controllable variations of the electrochromism of electrochromic device and reflectivity, emissivity is achieved by voltage-regulation, by DC powered, the assorted Electro-Discolor Coating such as transparent, golden yellow, light green, dark green, blackish green can be obtained, and possess different reflectivity and emissivity.
Can be preferably as concrete scheme of the present invention: described photochromic coating, Electro-Discolor Coating, able thermochromic, piezochromism coating select multiple can be partitioned into bar shaped arrange.
By above-mentioned setting, photochromic coating, Electro-Discolor Coating, able thermochromic, piezochromism coating can exist simultaneously, can effectively indicate various information after arranging layer bar shaped arrangement.
In sum, the present invention has following beneficial effect:
1, improve the security performance used, the pretesting before easy to use, improve reliability;
2, use is more convenient, and feedback indication information is more directly perceived.
Accompanying drawing explanation
Fig. 1 is the present embodiment one structural blast figure;
Fig. 2 is the present embodiment one part enlarged drawing;
Fig. 3 is the circuit theory diagrams of the present embodiment one;
Fig. 4 is the circuit theory diagrams of the present embodiment two.
In figure 1, insulated enclosure paper; 2, base plate; 3, shell; 4, fixing iron nail; 5, bimetal leaf; 6, moving contact; 7, fixed contact; 8, heating wire; 9, PTC device; 10, steel card; 11, smart coat; 12, air bag; 13, striped; A1, test port; Rp, potentiometer; 12, detection of electrical leakage unit; Ne, neon lamp; C, capacity cell; R, resistance; Kr, tongue tube; B, magnetic part.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Embodiment 1: as shown in Figure 1, a kind of power-off restoration thermal protector, comprises insulated enclosure paper 1; described insulated enclosure paper 1 is half frame-type structure, leaves a blank in the middle of insulated enclosure paper 1, and both sides turnover is upwards shaping; and chamfering is left on corner, be convenient to assembling and improve seal degree.Bottom described insulated enclosure paper 1, be provided with base plate 2, also include shell 3, fixing iron nail 4, bimetal leaf 5, moving contact 6, fixed contact 7 and heating wire 8,
As shown in Figure 2, heating wire 8 is tubulose or sheet, and tubular structure current heating is comparatively stable, and the radiation of sheet heating area is comparatively wide, respectively there is advantage, in order to improve heating swept area, be arranged to serpentine, moving contact 6 be provided with lattice-shaped striped 13 and laminating be fixed on bimetal leaf 5.Be arranged to the contact area that lattice-shaped can improve moving contact 6 and bimetal leaf 5, thus improve contact performance, improve reliability.
Shown in composition graphs 1,2, the outer surface that shell 3 is arranged on described base plate 2 forms a spatial accommodation, described bimetal leaf 5 is positioned at described spatial accommodation, one end is fixed on the upper end face in described shell 3 by fixing iron nail 4, other end bottom is provided with moving contact 6, the position corresponding with described moving contact 6 is provided with fixed contact 7, described shell 3 is provided with the PTC device 9 be parallel on moving contact 6 and fixed contact 7, described PTC device 9 is fixed by steel card 10, described heating wire 8 is arranged on the upper surface of described base plate 2, and leave test port a1, described shell 3 is provided with smart coat 11, described smart coat 11 is photochromic coating, Electro-Discolor Coating, able thermochromic, one or more in piezochromism coating.
As shown in Figure 3, bimetal leaf 5 part of thermal protector and PTC thermistor R form parallel circuits, and then with load in series, load is for motor M, and when load normally runs, PTC thermistor R can not produce high temperature; The high temperature produced when load abnormal or big current can make thermal protector open circuit, and now PTC thermistor R can produce high temperature and high value (high temperature of PTC thermistor R can make thermal protector be held in off state always), and load is out of service; The moving contact 6 of bimetal leaf 5 closes with fixed contact 7; circuit is in conducting; generate heat for some reason when making electrical appliance; when temperature rises to this product rated function temperature value; bimetal leaf 5 is heated and produces internal stress and rapidly action, pushes the moving contact 6 be arranged on bimetal leaf 5 open, cuts off the electricity supply; motor quits work, thus plays superheat protecting function.After power supply is disconnected manually, PTC thermistor R starts cooling, and after certain hour cooling, thermal protector automatically resets, and again switches on power, load operation.
Simultaneously; moving contact 6 and the fixed contact 7 of the bimetal leaf 5 of thermal protector of the present invention also can be designed as often to be opened; when making electrical appliance reach uniform temperature; the moving contact 6 of bimetal leaf 5 and fixed contact 7 are with regard to conducting; the present invention can according to the needs of product function, are set to closed type or open type.
By above-mentioned setting, half frame-type structure effectively can save the space of shell 3 inside, thus spatial accommodation is increased, and there are enough spaces can hold heating wire 8, bimetal leaf 5, moving contact 6 and fixed contact 7 etc., on the other hand, the spatial accommodation formed by base plate 2 and shell 3 can effectively for heating wire 8 provides heat radiation to transmit space, bimetal leaf 5 is just as switch, in order to fault overtemperature protection, due to both deformation degree varies samples in overheated, thus can bend, and then moving contact 6 and fixed contact 7 can be made to disconnect when temperature is too high, the object arranging heating wire 8 is mainly the test before using, different with existing using method, this thermal protector heating wire 8 when using in motor or other circuit does not work, the heating wire 8 of this thermal protector is the performance quality for testing bimetal leaf 5, test port a1 is in order to connect external power supply, now bimetal leaf 5 is if good, can detect thermal protector cold time is channel status, by external power supply, heating wire 8 is powered, thus heating wire 8 is generated heat, so will due to high temperature open circuit, make the interface open circuit of thermal protector, if bimetal leaf 5 is bad, so would not there is action to temperature, thus the quality of bimetal leaf 5 can be gone out, in case the thermal protector of operational failure by direct-detection.On the other hand, owing to being provided with smart coat 11 on shell 3, be applied in this operative scenario, effectively can carry out fault alarm and instruction, photochromic coating can be used for anti-counterfeiting mark, the warning of ultraviolet power, prevents device damage, and Electro-Discolor Coating in order to detection of electrical leakage and can be warned, able thermochromic is in order to indicated temperature situation, piezochromism coating can illustrate stressing conditions, can directly illustrate to user to mechanical shock and collsion damage, improves fail safe and practicality.
Can optimize further in the circuit of Fig. 3, heating wire 8 can also serial or parallel connection potentiometer Rp.If external testing uses constant-current source, then use the mode of potentiometer Rp series connection that the voltage of heating wire 8 is changed, thus the actual power of heating wire 8 can be changed.And if be constant pressure source for the testing power supply that outside provides, then can use the mode of potentiometer Rp parallel connection, dividing potential drop is carried out to regulate the actual power of heating wire to heating wire.Increase the contact area of heating wire 8, simultaneously can the caloric value of regulation heating silk 8 by potentiometer Rp, thus can control effectively to the electrothermal calefactive rate of heating wire 8, the test being convenient to user uses.
A test can be carried out before the use by arranging of heating wire, thus can the quality of effective verifying parts.Test port a1 is used to connect external testing power supply.
Shell 3 is also connected with detect terminals drain conditions and the detection of electrical leakage unit 12 of instruction.Being detected by detection of electrical leakage unit 12 pairs of shells 3, likely there is the situation of electric leakage in the binding post due to thermal protector, therefore arranges detection of electrical leakage unit 12 and effectively can prevent contact, improves security performance.
Electro-Discolor Coating in smart coat 11 can play the function of auxiliary display to detection of electrical leakage unit 12, when shell 3 exists electric leakage, the change of color will occur due to the change of voltage Electro-Discolor Coating.Be used to refer to drain conditions, improve vigilance and the security performance of user.
As shown in Figure 3, detection of electrical leakage unit 12 comprises the resistance R be connected on the shell 3 and neon lamp Ne being series at resistance R one end to the first circuit implementation, and the other end of described neon lamp Ne is in order to ground connection.In time having electric leakage to occur, neon lamp Ne will be breakdown and luminous, thus carry out electric leakage instruction.
As shown in Figure 4, detection of electrical leakage unit 12 comprises capacity cell C, resistance R, LED to the second circuit implementation; The positive pole connected with outer casing 3 of described electric capacity, minus earth; One end of described resistance R connects the positive pole of electric capacity, and the other end connects the anode of LED; The minus earth of described LED.
By above-mentioned setting, the storage of electricity can be carried out by electric capacity, leak electricity simultaneously occur time, LED luminous warning can be made.
Can be optimized further as concrete scheme class of the present invention, from said structure, common thermal protector has self-reparability, but sometimes once load temperature is down in certain limit, protector meeting automatic reclosing, and the fault of load is not resolved at all, increase application risk virtually, therefore technique scheme is improved, the main line at described moving contact 6 place is in series with tongue tube Kr, described tongue tube Kr is provided with magnetic part B, described magnetic part B is arranged on and housing is right against tongue tube Kr and is isolated in a space in order to control the keying of tongue tube Kr.Magnetic part B is provided with air bag 12, and described air bag 12 is in order to control the spacing between magnetic part B and tongue tube Kr.Magnetic part B is magnet or magnetic bead, and small volume can be arranged in shell 3.
By above-mentioned setting, tongue tube Kr is as Magnetic Induction switch element, switch can be made to close when magnetic part B is close, thus reach the effect of connecting circuit, the switch of tongue tube Kr can be disconnected by controlling magnetic part B simultaneously, thus effectively can cut off the main line of circuit, play the effect of a similar master switch, need when some uses manually to carry out short circuit, directly can control the open circuit that magnetic part B carries out control circuit, controlled owing to being touchless by magnetic part B, therefore safer, the danger of electric shock can not be there is, improve security performance.The magnetic line of force due to magnetic part B is skewness, and with larger near field intensity, away from the non-linear decline of field intensity after a determining deviation, the spacing that therefore can control this and tongue tube Kr effectively can play control action, and does not affect other devices again.
For above-mentioned smart coat 11, Electro-Discolor Coating adopts multi-layer compound structure, multi-layer compound structure is followed successively by environmental encapsulation layer, electrochromic activity layer, dielectric substrate, electrode layer and substrate layer from top to bottom, between electrode layer and dielectric substrate and between electrochromic activity layer and environmental encapsulation layer, a pair auxiliary electrode is installed
Wherein, substrate layer and environmental encapsulation layer are glass, quartz, polyimides, polyester, polyethylene, polypropylene, Merlon, polyurethane or organic siliconresin, electrode layer and auxiliary electrode are gold, aluminium, silver, calcium or indium tin oxide ITO, the conductive materials of dielectric substrate is lithium perchlorate, ionic liquid, trifluoromethyl sulfonic acid lithium or sodium chloride, and electrochromic activity layer is one or both compounds in polyaniline, polythiophene or polypyrrole.
By above-mentioned setting, the controllable variations of the electrochromism of electrochromic device and reflectivity, emissivity is achieved by voltage-regulation, by DC powered, the assorted Electro-Discolor Coating such as transparent, golden yellow, light green, dark green, blackish green can be obtained, and possess different reflectivity and emissivity.
Photochromic coating, Electro-Discolor Coating, able thermochromic, piezochromism coating select multiple can be partitioned into bar shaped arrange.Photochromic coating, Electro-Discolor Coating, able thermochromic, piezochromism coating can exist simultaneously, can effectively indicate various information after arranging layer bar shaped arrangement.
Illustrate: photochromic coating, component is formed: polyurethane resin 55-70 part, coupling agent 2-5 part, curing agent 8-15 part, tungstic acid 8-15 part, titanium oxide 5-12 part, alumina silicate 3-6 part and solvent 10-22 part.
Electro-Discolor Coating, multi-layer compound structure is adopted to be followed successively by environmental encapsulation layer, electrochromic activity layer, dielectric substrate, electrode layer and substrate layer from top to bottom, between electrode layer and dielectric substrate and between electrochromic activity layer and environmental encapsulation layer, a pair auxiliary electrode is installed
Wherein, substrate layer and environmental encapsulation layer are glass, quartz, polyimides, polyester, polyethylene, polypropylene, Merlon, polyurethane or organic siliconresin, electrode layer and auxiliary electrode are gold, aluminium, silver, calcium or indium tin oxide ITO, the conductive materials of dielectric substrate is lithium perchlorate, ionic liquid, trifluoromethyl sulfonic acid lithium or sodium chloride, and electrochromic activity layer is one or both compounds in polyaniline, polythiophene or polypyrrole.
Able thermochromic, namely thermo-color mainly comprises phase-change coating and look change coating, and phase-change coating is roughly divided into following several.Be the crystalline material of melting can make a temperature indicator by select under set point of temperature, utilize coating color before and after melting to change to measure body surface temperature.Cucumber is creamy white when being at room temperature solid state, when temperature raises and reaches fusing point, this material melts, become water white transparency state, such as stearate is melt into colourless transparent liquid, if they are coated onto on dark object, be white lower than 100 DEG C, higher than presenting object original color when 100 DEG C.Another kind is absorption-type, selects the heat-sensitive materials with definite melting point to mix with colored pigment, and when reaching melting temperature, due to colored pigment absorption, system color changes, and reaches thermometric object.Such as, dimethylamino benzene-azo-benzene 15 parts, titanium dioxide 4.5 parts, dimethyl cellulose 2.5 parts, water, melting at 114 DEG C, is become orange from yellow.Also have some melt substances, as aliphat higher alcohols, fatty acid, amino acid, ester, ether etc. solidify melting phenomenon in a certain temperature, control the electronics acceptable response of developer composition, make its reversible color; Such as when higher aliphatic is mixed and made into reversible thermocoating at peacock green lactone and 4-Hydroxycoumarin, its colour developing colour killing is solidified melting with product and produces, during low temperature, colour-changing agent peacock green lactone supplies 4-Hydroxycoumarin electronics and develops the color, and melting is there is when high temperature, peacock green lactone retains electronics and forms very weak color.Its discoloring temperature is the temperature near the fusing point of meltbility compound in constituent, and meltbility material has been the effect of colour developing and colour killing and has existed, can be a lot of as the material of meltbility compound, and mainly organic compound, wherein aliphat higher alcohols is better.It is have the organic compound discharging electro and color rendering that the electronics of one of this kind of thermo-color component gives component, another component is that electronics accepts component, great majority are that effect absorbs release electronics with hydroxy compounds and derivative thereof and phenolic hydroxyl-compounds or derivative.This two component is that oxidation-reduction potential is close, and when utilizing variations in temperature, both relative intensity of variations of oxidation-reduction potential are different, and the direction of redox reaction can be changed with temperature change.
The color change that look becomes the thermochromism of color generation significant change when coating mainly utilizes variations in temperature carrys out indicated temperature, and the discoloration of thermochromism plays a decisive role, and inorganic thermochromism is mainly used in making look and becomes coating.
This specific embodiment is only explanation of the invention; it is not limitation of the present invention; those skilled in the art can make to the present embodiment the amendment not having creative contribution as required after reading this specification, as long as but be all subject to the protection of Patent Law in right of the present invention.
Claims (10)
1. a power-off restoration thermal protector, comprise insulated enclosure paper (1), described insulated enclosure paper (1) is half frame-type structure, described insulated enclosure paper (1) bottom is provided with base plate (2), also include shell (3), fixing iron nail (4), bimetal leaf (5), moving contact (6), fixed contact (7) and heating wire (8), the outer surface that described shell (3) is arranged on described base plate (2) forms a spatial accommodation, described bimetal leaf (5) is positioned at described spatial accommodation, one end is fixed on the upper end face in described shell (3) by fixing iron nail (4), other end bottom is fixedly connected with moving contact (6), the position corresponding with described moving contact (6) arranges fixed contact (7), it is characterized in that: described shell (3) is provided with the PTC device (9) be parallel on moving contact (6) and fixed contact (7), described PTC device (9) is fixed by steel card (10), described heating wire (8) is arranged on the upper surface of described base plate (2), and leave test port (a1), described shell (3) is provided with smart coat (11), described smart coat (11) is photochromic coating, Electro-Discolor Coating, one or more in able thermochromic.
2. power-off restoration thermal protector according to claim 1, is characterized in that: described heating wire (8) is tubulose or sheet, and described heating wire (8) is also in series or in parallel with potentiometer (Rp).
3. power-off restoration thermal protector according to claim 1, is characterized in that: described shell (3) is also connected with detect terminals drain conditions and the detection of electrical leakage unit (12) of instruction.
4. power-off restoration thermal protector according to claim 3; it is characterized in that: described detection of electrical leakage unit (12) comprises the resistance (R) be connected on shell (3) and the neon lamp (Ne) being series at resistance (R) one end, and the other end of described neon lamp (Ne) is in order to ground connection.
5. power-off restoration thermal protector according to claim 3, is characterized in that: described detection of electrical leakage unit (12) comprises capacity cell (C), resistance (R), LED;
The positive pole connected with outer casing (3) of described electric capacity, minus earth;
One end of described resistance (R) connects the positive pole of electric capacity, and the other end connects the anode of LED;
The minus earth of described LED.
6. according to the arbitrary described power-off restoration thermal protector of claim 1 to 5; it is characterized in that: the main line at described moving contact (6) place is in series with tongue tube (Kr); described tongue tube (Kr) is provided with magnetic part (B), and described magnetic part (B) is arranged on and housing is right against tongue tube (Kr) and is isolated in a space in order to control the keying of tongue tube (Kr).
7. power-off restoration thermal protector according to claim 6; it is characterized in that: described magnetic part (B) is provided with air bag (12), described air bag (12) is in order to control the spacing between magnetic part (B) and tongue tube (Kr).
8. power-off restoration thermal protector according to claim 1, is characterized in that: described moving contact (6) be provided with lattice-shaped striped (13) and laminating be fixed on bimetal leaf (5).
9. power-off restoration thermal protector according to claim 1; it is characterized in that: described Electro-Discolor Coating adopts multi-layer compound structure; multi-layer compound structure is followed successively by environmental encapsulation layer, electrochromic activity layer, dielectric substrate, electrode layer and substrate layer from top to bottom; between electrode layer and dielectric substrate and between electrochromic activity layer and environmental encapsulation layer, a pair auxiliary electrode is installed
Wherein, substrate layer and environmental encapsulation layer are glass, quartz, polyimides, polyester, polyethylene, polypropylene, Merlon, polyurethane or organic siliconresin, electrode layer and auxiliary electrode are gold, aluminium, silver, calcium or indium tin oxide ITO, the conductive materials of dielectric substrate is lithium perchlorate, ionic liquid, trifluoromethyl sulfonic acid lithium or sodium chloride, and electrochromic activity layer is one or both compounds in polyaniline, polythiophene or polypyrrole.
10. power-off restoration thermal protector according to claim 1, is characterized in that: described photochromic coating, Electro-Discolor Coating, able thermochromic, piezochromism coating select multiple can be partitioned into bar shaped arrange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610055995.0A CN105529216B (en) | 2016-01-28 | 2016-01-28 | Power-off restoration thermal protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610055995.0A CN105529216B (en) | 2016-01-28 | 2016-01-28 | Power-off restoration thermal protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105529216A true CN105529216A (en) | 2016-04-27 |
| CN105529216B CN105529216B (en) | 2017-09-12 |
Family
ID=55771370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610055995.0A Active CN105529216B (en) | 2016-01-28 | 2016-01-28 | Power-off restoration thermal protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105529216B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105846354A (en) * | 2016-05-31 | 2016-08-10 | 国网河南省电力公司南阳供电公司 | Overhaul equipment for preventing device mistakenly entering charged interval in power engineering operation |
| CN107527766A (en) * | 2017-08-22 | 2017-12-29 | 江苏怡通控制***有限公司 | Self-hold thermal protector |
| CN107633979A (en) * | 2017-10-13 | 2018-01-26 | 江苏常恒集团控制器件制品有限公司 | One kind power-off automatic reset overload protector |
| CN108253006A (en) * | 2017-12-14 | 2018-07-06 | 中国航空工业集团公司成都飞机设计研究所 | A kind of washer that discoloration coating is caused based on power |
| CN110611976A (en) * | 2019-09-27 | 2019-12-24 | 浙江孚硕电通股份有限公司 | LED power module |
| CN112216554A (en) * | 2020-09-28 | 2021-01-12 | 常熟新都安电器股份有限公司 | Overcurrent thermal protector |
| TWI785260B (en) * | 2019-07-26 | 2022-12-01 | 富致科技股份有限公司 | overcurrent protection device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000156141A (en) * | 1998-11-17 | 2000-06-06 | Texas Instr Japan Ltd | Motor protector |
| CN102176102A (en) * | 2010-12-27 | 2011-09-07 | 航天材料及工艺研究所 | Variable emissivity and variable reflectivity electrochromic intelligent thermal control coating and preparation method |
| CN202178473U (en) * | 2011-08-05 | 2012-03-28 | 衡阳风顺车桥有限公司 | Energy-saving and anti-electric-linkage socket |
| CN203760377U (en) * | 2014-02-19 | 2014-08-06 | 青岛中阳消防科技有限公司 | Temperature-sensitive switch with disconnection detection function and temperature-sensitive detector of temperature-sensitive switch |
| WO2015002187A1 (en) * | 2013-07-02 | 2015-01-08 | タイコエレクトロニクスジャパン合同会社 | Protective device |
| CN204230156U (en) * | 2014-12-10 | 2015-03-25 | 常州市艾诺电子科技有限公司 | A kind of sealing thermal protector |
| CN204242949U (en) * | 2014-12-10 | 2015-04-01 | 常州市艾诺电子科技有限公司 | A kind of thermal protector |
| CN204516710U (en) * | 2015-04-21 | 2015-07-29 | 姚家米 | Overcurrent, overload, overheat protector |
| CN205542592U (en) * | 2016-01-28 | 2016-08-31 | 苏州工业园区凯恩电子科技有限公司 | Hot protector of power -off reset |
-
2016
- 2016-01-28 CN CN201610055995.0A patent/CN105529216B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000156141A (en) * | 1998-11-17 | 2000-06-06 | Texas Instr Japan Ltd | Motor protector |
| CN102176102A (en) * | 2010-12-27 | 2011-09-07 | 航天材料及工艺研究所 | Variable emissivity and variable reflectivity electrochromic intelligent thermal control coating and preparation method |
| CN202178473U (en) * | 2011-08-05 | 2012-03-28 | 衡阳风顺车桥有限公司 | Energy-saving and anti-electric-linkage socket |
| WO2015002187A1 (en) * | 2013-07-02 | 2015-01-08 | タイコエレクトロニクスジャパン合同会社 | Protective device |
| CN203760377U (en) * | 2014-02-19 | 2014-08-06 | 青岛中阳消防科技有限公司 | Temperature-sensitive switch with disconnection detection function and temperature-sensitive detector of temperature-sensitive switch |
| CN204230156U (en) * | 2014-12-10 | 2015-03-25 | 常州市艾诺电子科技有限公司 | A kind of sealing thermal protector |
| CN204242949U (en) * | 2014-12-10 | 2015-04-01 | 常州市艾诺电子科技有限公司 | A kind of thermal protector |
| CN204516710U (en) * | 2015-04-21 | 2015-07-29 | 姚家米 | Overcurrent, overload, overheat protector |
| CN205542592U (en) * | 2016-01-28 | 2016-08-31 | 苏州工业园区凯恩电子科技有限公司 | Hot protector of power -off reset |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105846354A (en) * | 2016-05-31 | 2016-08-10 | 国网河南省电力公司南阳供电公司 | Overhaul equipment for preventing device mistakenly entering charged interval in power engineering operation |
| CN107527766A (en) * | 2017-08-22 | 2017-12-29 | 江苏怡通控制***有限公司 | Self-hold thermal protector |
| CN107633979A (en) * | 2017-10-13 | 2018-01-26 | 江苏常恒集团控制器件制品有限公司 | One kind power-off automatic reset overload protector |
| CN108253006A (en) * | 2017-12-14 | 2018-07-06 | 中国航空工业集团公司成都飞机设计研究所 | A kind of washer that discoloration coating is caused based on power |
| TWI785260B (en) * | 2019-07-26 | 2022-12-01 | 富致科技股份有限公司 | overcurrent protection device |
| CN110611976A (en) * | 2019-09-27 | 2019-12-24 | 浙江孚硕电通股份有限公司 | LED power module |
| CN112216554A (en) * | 2020-09-28 | 2021-01-12 | 常熟新都安电器股份有限公司 | Overcurrent thermal protector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105529216B (en) | 2017-09-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105529216A (en) | Outage reset thermal protector | |
| CN205542592U (en) | Hot protector of power -off reset | |
| CN111613003A (en) | Intelligent distribution box for temperature monitoring, fire detection and fire extinguishing | |
| CN201188035Y (en) | Overtemperature detection alarm device | |
| CN102780217B (en) | Surge protection device | |
| WO2015135391A1 (en) | Passive temperature-sensitive sensing element | |
| CN107634511A (en) | Surge protection module and surge protector | |
| CN208173323U (en) | Thermal protection type varistor | |
| CN107069884A (en) | A kind of battery pack open circuit protector | |
| CN105431606B (en) | Fail safe mechanism for switchable glazings | |
| CN201189106Y (en) | Water drinking device with protection circuit | |
| KR101466579B1 (en) | Indicator for sensing temperature | |
| CN203519788U (en) | Main transformer temperature relay verifying device | |
| CN203011425U (en) | Power distribution room with humidity/temperature control and caution | |
| CN109618423A (en) | Portable test instrument automatic heating device | |
| CN202523496U (en) | Temperature control resistor with composite structure | |
| CN204348635U (en) | A kind of adjustable overcurrent non-electricity protector | |
| KR101539990B1 (en) | End lamp apparatus installed in a industrial heating cable system | |
| CN207426690U (en) | surge protection module and surge protector | |
| CN209882116U (en) | Heating cable joint | |
| CN206557323U (en) | The excessive device of resistance in a kind of sound and light alarm prompting household electrical appliances circuit | |
| CN204740330U (en) | Battery capacity testing arrangement | |
| CN205178185U (en) | Power supply adapter | |
| CN104362906A (en) | Starter with temperature fuse | |
| CN204578085U (en) | A kind of surge protection module of plug-in type |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |