CN101001014A - Protector for electrical equipment - Google Patents
Protector for electrical equipment Download PDFInfo
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- CN101001014A CN101001014A CN 200610042136 CN200610042136A CN101001014A CN 101001014 A CN101001014 A CN 101001014A CN 200610042136 CN200610042136 CN 200610042136 CN 200610042136 A CN200610042136 A CN 200610042136A CN 101001014 A CN101001014 A CN 101001014A
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- elastic
- conducting strip
- protective device
- electrical equipment
- temperature
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Abstract
The invention discloses a protector of electrical installation, which connects electrically in the circuit, which includes an insulating base, a temperature controlling device and a temperature protecting device. In which, the temperature controlling device and the temperature protecting device is installed on the insulation base.
Description
Technical field
The present invention relates to a kind of protective device that is used for electrical equipment.
Background technology
The protective device that is used for electrical equipment is used very extensive at existing household electrical appliances.General protective device all includes a temperature protective device and a temperature controller.Temperature protective device is used to prevent that the electrical equipment temperature is too high and cause the badly damaged of electrical equipment or prevent that power supply from damaging that this moment, temperature protective device should cut off circuit immediately reliably.Temperature controller is used for automatically cutting off or energized according to the temperature of the monitored part of electrical equipment under unmanned situation, has heat-insulating property, protective value.Existing protective device has following shortcoming: temperature protective device and temperature controller take up room greatly, cost is high and appliance circuit between the connection inconvenience.
Summary of the invention
Take up room for the protective device that overcomes existing electrical equipment is existing big, cost is high and appliance circuit between the shortcoming of connection inconvenience; a kind of protective device that is used for electrical equipment is provided; it combines temperature protective device and temperature controller, take up room little, cost is low and electrical equipment between easy to connect.
The present invention adopts following technical scheme: be used for the protective device of electrical equipment, it is connected in appliance circuit, and it comprises an insulating base, a thermostat arrangement and a temperature protective device, wherein, and the shared insulating base of thermostat arrangement and temperature protective device; Described thermostat arrangement and temperature protective device shared one shared splicing ear.
Described thermostat arrangement comprises:
First elastic conducting strip, it has one and is positioned insulating base and can conducts electricity first elastic portion that first stiff end that is connected in appliance circuit and a conduction be connected in first stiff end and have elastic force;
Thermostat, it has mobilizable first movable contact portion when electrical heating arrives certain predetermined temperature;
Wherein, first elastic portion can be conducted electricity and is connected in shared splicing ear under normal circumstances; When electrical heating during to predetermined temperature the first movable contact portion movable and disconnect connection between first elastic portion and the shared splicing ear, the first movable contact portion resetted when electrical equipment was cooled to another predetermined temperature by the time, made between first elastic portion and the shared splicing ear to reconnect together.
First elastic portion of described first elastic conducting strip is resisted against shared splicing ear normally closed type under the elastic force effect.
Described temperature protective device comprises:
Second elastic conducting strip, it has one and is positioned insulating base and can conducts electricity second elastic portion that second stiff end that is connected in appliance circuit and a conduction be connected in second stiff end and can be away from shared splicing ear under the elastic force effect;
Temperature protector, its have when circuit occur being heated when unusual fusible fusible and one after fusible fusing mobilizable second movable contact portion;
Wherein, second movable contact portion contact second elastic portion makes second elastic portion to conduct electricity and is connected in shared splicing ear under normal circumstances; When electrical heating during to certain predetermined temperature the second movable contact portion movable and disconnect connection between second elastic portion and the shared splicing ear.
Described shared splicing ear is the conductive stator that is positioned insulating base, and it has the 3rd stiff end and free end, and wherein, the 3rd stiff end is fixed in the insulating base middle part, and the free end lower surface is made as first conductive part, and upper surface is provided with second conductive part.
Described thermostat comprises a temperature sense sheet and one first interlock post, one end of the first interlock post is resisted against the temperature distortion portion of temperature sense sheet, the other end is resisted against first elastic conducting strip, wherein, electrical heating during to certain predetermined temperature the distortion of temperature sense sheet and by the first interlock capital support first elastic conducting strip make win between the elastic portion and first conductive part against disconnection, the distortion of temperature sense sheet recovered when electrical equipment was cooled to another predetermined temperature by the time, and first elastic portion and first conductive part are abutted together again under the first elastic conducting strip elastic force effect.
Described temperature protector comprises one fusible and one second interlock post; one end of the second interlock post is resisted against fusible; the other end is resisted against second conductive part against second elastic conducting strip with making the second elastic portion normally closed type; wherein, circuit occur when unusual fusible melted by heat make between second elastic portion and second conductive part against disconnection.
Described insulating base comprises that a circular bottom wall and extends upward the perisporium that forms by the diapire periphery;
The diapire bottom surface is fixed with conductive one first binding post and one second binding post;
First elastic conducting strip is positioned at perisporium, and coupling has one first conductive rivet in addition, and its conduction connects first stiff end and first binding post of first elastic conducting strip;
Second elastic conducting strip is positioned at perisporium, and coupling has one second conductive rivet in addition, and its conduction connects second stiff end and second binding post of second elastic conducting strip.
Described first elastic conducting strip is side " V ", it comprises that first stiff end and that is fixed in the insulating base bottom wall upper surface is fixed in the elastic arm of first stiff end, the terminal part of this elastic arm is first elastic portion, and wherein, the lower end abutment of the first interlock post is in first elastic arm.
Described second elastic conducting strip, its second stiff end is fixed in perisporium top, the middle part, bottom surface of this second elastic conducting strip is for conducting electricity second elastic portion that is connected in second conductive part, and wherein, the lower end abutment of the second interlock post is in the terminal part of second elastic conducting strip.
Also comprise:
One is connected in the loam cake at insulating base perisporium top, it has the positioning seat, of being located at the loam cake bottom surface and is located at the positioning through hole that the holder and of loam cake upper surface is communicated with holder and loam cake bottom surface, wherein, fusible is positioned in the positioning seat, the temperature sense sheet is positioned holder, and the first interlock post passes positioning through hole;
But one is located at gland on the loam cake and heat conduction, its fixed cover and insulating base.
Also comprise:
One lock is paid frame, and it is used for protective device is fixed in electrical equipment.
Described gland comprises that a upper wall and extends downwards the connecting wall that forms by the upper wall periphery, connecting wall socket loam cake and part upper perimeter wall, and loam cake and insulating base be fixed together.
By above-mentioned description to structure of the present invention as can be known, compare with background technology, the present invention has following advantage:
One, the protective device that is used for electrical equipment of the present invention combines temperature protective device and temperature controller and shared insulating base, take up room little, cost is low and electrical equipment between easy to connect;
Its two, the free end lower surface of stator is made as first conductive part, upper surface is provided with second conductive part, the total compactness, protection is reliable;
Its three, electrical heating during to certain predetermined temperature the distortion of temperature sense sheet and by the first interlock capital support first elastic conducting strip make win between the elastic portion and first conductive part against disconnection, appliance circuit disconnects; This temperature sense plate shape recovered when electrical equipment was cooled to another predetermined temperature by the time, and then first elastic portion of first elastic conducting strip is resisted against first conductive part normally closed type under the elastic force effect, and appliance circuit is communicated with; When thermostat inefficacy (being bonded on first conductive part) or the rising of electrical equipment temperature rapid abnormal such as first elastic portion, between first elastic portion and first conductive part against not disconnecting, this moment fusible melted by heat and make between second elastic portion and second conductive part against disconnection, appliance circuit disconnects; This protective device protection is reliable;
Its four, pay a frame with lock protective device be fixed on the electrical equipment, and this protective device is connected in series in the appliance circuit, easy to use;
Its five, by gland fixed cover and insulating base, easily manufactured.
Description of drawings
The present invention is further illustrated below in conjunction with accompanying drawing.
Fig. 1 is the three-dimensional decomposition texture schematic diagram that is used for the protective device of electrical equipment of the present invention.
Fig. 2 is the vertical view that is used for the protective device of electrical equipment of the present invention.
Fig. 3 is in A-A generalized section under the conducting state for Fig. 2 when protective device.
Fig. 4 is the upward view that is used for the protective device of electrical equipment of the present invention;
Fig. 5 is the A-A generalized section of Fig. 2 under the thermostat of protective device is in running order.
Fig. 6 is the A-A generalized section of Fig. 2 under the temperature protective device of protective device is in running order.
Embodiment
A kind of protective device that is used for electrical equipment, as shown in Figure 1, it comprises an insulating base 1, a stator 2, one first elastic conducting strip 3, a thermostat 4, one second elastic conducting strip 5, a temperature protector 6, a loam cake 7, a gland 8 and a lock pair frame 9.Stator 2, first elastic conducting strip 3, thermostat 4, second elastic conducting strip 5, temperature protector 6 all are positioned at insulating base 1.Wherein, the thermostat 4 and first elastic conducting strip 3 cooperate the formation thermostat arrangement, and second elastic conducting strip 5 and temperature protector 6 cooperate the formation temperature protective devices.
Shown in Fig. 1,3, insulating base 1 comprises that diapire 11, extends upward the upper perimeter wall 14 that location wall 13 that the lower peripheral wall that forms 12, stretches out by lower peripheral wall 12 peripheries and is extended upward to by location wall 13 peripheries by diapire 11 peripheries down, wherein, lower peripheral wall 12, upper perimeter wall 14 are the face of cylinder, and the axis of the axis of location wall 13 and following diapire 11 does not overlap.The location is set with one first fixed station 15 on the wall 13, one second fixed station, 16, the second fixed stations 16 are higher than first fixed station 15.Shown in Fig. 2,4, following diapire 11 bottom surfaces are fixed with conductive one first binding post 17 and one second binding post 18.
Shown in Fig. 1,3,5,6, first elastic conducting strip 3 is side " V ", it comprises that a base 31 and that is fixed in down diapire 11 upper surfaces is fixed in the elastic arm 32 of 31 ends, base, the terminal part on this base 31 is first stiff end, the terminal part upper surface of this elastic arm 32 is provided with a conductive contact, and this conductive contact is first elastic portion.First elastic portion is resisted against first conductive contact of stator 2 normally closed type under elastic arm 32 elastic force effects.
Shown in Fig. 1,3,5,6, second elastic conducting strip 5, its second stiff end are fixed in second fixed station, 16 upper surfaces, and second elastic portion can be away from second conductive contact under the elastic force effect of second elastic conducting strip 5.
Shown in Fig. 2,4, coupling has one first conductive rivet in addition, and it is fixedly connected on down diapire 11 bottom surfaces with first binding post 17, and conduction connects first stiff end of first elastic conducting strip.Coupling has one second conductive rivet in addition, and it is fixedly connected on down diapire 11 bottom surfaces with second binding post 18, and conduction connects second stiff end of second elastic conducting strip.
Shown in Fig. 1,3,5,6, loam cake 7 can be connected in upper perimeter wall 14 tops, and its bottom surface outer peripheral edges are provided with a location step, and step is provided with a positive stop lug boss.Loam cake 7 positioning steps are positioned upper perimeter wall 14 inwalls, and this positive stop lug boss is inserted in a stopper slot that is opened in upper perimeter wall 14 tops.Loam cake 7 has a fixed via 71, that is communicated with loam cake 7 top and bottom and is located at the positioning through hole 73 that the holder 72 and of loam cake 7 upper surfaces is communicated with loam cake 7 top and bottom.
Can be connected in the gland 8 of electrical equipment detected portion with heat conduction, it comprises that a upper wall 81 and extends the connecting wall 82 that forms downwards by upper wall 81 peripheries.81 times diapires of upper wall are provided with an annulus wall that is used for contraposition, and itself and holder 72 are complementary.Connecting wall 82 socket loam cakes 7 and part upper perimeter wall 14, and loam cake 7 and insulating base 1 be fixed together, this fixed form can adopt spinning or impact style.
The bottom surface of fixed via 71 and upper wall 81 cooperates the formation positioning seat.
Shown in Fig. 1,3,5,6, thermostat 4 comprises a temperature sense sheet 41 and one first interlock post 42; Temperature sense sheet 41 is arranged in the holder 72 of loam cake 7, and temperature sense sheet 41 can be connected in gland 8 with heat conduction.The first interlock post, 42 1 ends are resisted against the temperature distortion portion of temperature sense sheet 41, and the other end passes positioning through hole 73 and is resisted against elastic arm 32.Wherein, electrical heating during to certain predetermined temperature the distortion of temperature sense sheet and by the first interlock post, 42 contact elastic arms 32 make win between the elastic portion and first conductive contact against disconnection, appliance circuit disconnects; This temperature sense sheet distortion recovered when electrical equipment was cooled to another predetermined temperature by the time, and then first elastic portion is resisted against first conductive contact normally closed type under the elastic force effect of elastic arm 32, and appliance circuit is communicated with.
Lock is paid frame 9, and it comprises an annulus 91 and two positioning tabs 92 that are fixed in annulus 91 both sides.Have a great circle and the internal diameter ringlet less than great circle on the endoporus of annulus 91, wherein the great circle internal diameter is greater than gland 8 external diameters, and the ringlet internal diameter is less than gland 8 external diameters; Two positioning tabs 92 are symmetrical arranged.The annulus 91 that lock is paid frame 9 is socket gland 8 from the bottom up, and by two positioning tabs 92 will lock pay a frame 9 be fixed in the electrical equipment surface soon the whole protecting device be fixed in the electrical equipment surface.
This electrical equipment can be insulating pot automatic heat preserving protective device.Described insulating base 1 is a base of ceramic.The first interlock post 42 is the porcelain bar.
Another embodiment: thermostat arrangement comprises:
First elastic conducting strip, it has one and is positioned insulating base and can conducts electricity first elastic portion that first stiff end that is connected in appliance circuit and a conduction be connected in first stiff end and can be away from first conductive contact under the first elastic conducting strip elastic force effect;
Thermostat, it comprises a temperature sense sheet and one first interlock post, one end of the first interlock post is resisted against the temperature distortion portion of temperature sense sheet, the other end is resisted against first elastic conducting strip and the elastic conducting strip of winning is connected with first conductive contact, wherein, electrical heating temperature sense sheet distortion and make the interlock post of winning unclamp contact during to certain predetermined temperature to first elastic conducting strip, make under the elastic force effect win between the elastic portion and first conductive contact against disconnection, the distortion of temperature sense sheet recovered when electrical equipment was cooled to another predetermined temperature by the time, the temperature sense sheet contact first interlock post, the first interlock capital supports first elastic conducting strip, and making wins is abutted together between the elastic portion and first conductive contact again.
The above, only for preferred embodiment of the present invention, so can not limit scope of the invention process with this, i.e. the equivalence of doing according to the present patent application claim and description changes and modification, all should still belong in the scope that patent of the present invention contains.
Claims (10)
1, be used for the protective device of electrical equipment, it is connected in appliance circuit, it is characterized in that: it comprises an insulating base, a thermostat arrangement and a temperature protective device, wherein, and the shared insulating base of thermostat arrangement and temperature protective device; Described thermostat arrangement and temperature protective device shared one shared splicing ear.
2, the protective device that is used for electrical equipment according to claim 1, it is characterized in that: described thermostat arrangement comprises:
First elastic conducting strip, it has one and is positioned insulating base and can conducts electricity first elastic portion that first stiff end that is connected in appliance circuit and a conduction be connected in first stiff end and have elastic force;
Thermostat, it has mobilizable first movable contact portion when electrical heating arrives certain predetermined temperature;
Wherein, first elastic portion can be conducted electricity and is connected in shared splicing ear under normal circumstances; When electrical heating during to predetermined temperature the first movable contact portion movable and disconnect connection between first elastic portion and the shared splicing ear, the first movable contact portion resetted when electrical equipment was cooled to another predetermined temperature by the time, made between first elastic portion and the shared splicing ear to reconnect together.
3, the protective device that is used for electrical equipment according to claim 2 is characterized in that: first elastic portion of described first elastic conducting strip is resisted against shared splicing ear normally closed type under the elastic force effect.
4, according to claim 2 or the 3 described protective devices that are used for electrical equipment, it is characterized in that: described temperature protective device comprises:
Second elastic conducting strip, it has one and is positioned insulating base and can conducts electricity second elastic portion that second stiff end that is connected in appliance circuit and a conduction be connected in second stiff end and can be away from shared splicing ear under the elastic force effect;
Temperature protector, its have when circuit occur being heated when unusual fusible fusible and one after fusible fusing mobilizable second movable contact portion;
Wherein, second movable contact portion contact second elastic portion makes second elastic portion to conduct electricity and is connected in shared splicing ear under normal circumstances; When electrical heating during to certain predetermined temperature the second movable contact portion movable and disconnect connection between second elastic portion and the shared splicing ear.
5, the protective device that is used for electrical equipment according to claim 4; it is characterized in that: described shared splicing ear is the conductive stator that is positioned insulating base; it has the 3rd stiff end and free end; wherein; the 3rd stiff end is fixed in the insulating base middle part; the free end lower surface is made as first conductive part, and upper surface is provided with second conductive part.
6; the protective device that is used for electrical equipment according to claim 5; it is characterized in that: described thermostat comprises a temperature sense sheet and one first interlock post; one end of the first interlock post is resisted against the temperature distortion portion of temperature sense sheet; the other end is resisted against first elastic conducting strip; wherein; electrical heating during to certain predetermined temperature the distortion of temperature sense sheet and by the first interlock capital support first elastic conducting strip make win between the elastic portion and first conductive part against disconnection; the distortion of temperature sense sheet recovered when electrical equipment was cooled to another predetermined temperature by the time, made to win to be abutted together again between the elastic portion and first conductive part under the first elastic conducting strip elastic force effect.
7, the protective device that is used for electrical equipment according to claim 5; it is characterized in that: described temperature protector comprises one fusible and one second interlock post; one end of the second interlock post is resisted against fusible; the other end is resisted against second conductive part against second elastic conducting strip with making the second elastic portion normally closed type; wherein, circuit occur when unusual fusible melted by heat make between second elastic portion and second conductive part against disconnection.
8, the protective device that is used for electrical equipment according to claim 4 is characterized in that:
Described insulating base comprises that a circular bottom wall and extends upward the perisporium that forms by the diapire periphery;
The diapire bottom surface is fixed with conductive one first binding post and one second binding post;
First elastic conducting strip is positioned at perisporium, and coupling has one first conductive rivet in addition, and its conduction connects first stiff end and first binding post of first elastic conducting strip;
Second elastic conducting strip is positioned at perisporium, and coupling has one second conductive rivet in addition, and its conduction connects second stiff end and second binding post of second elastic conducting strip.
9, the protective device that is used for electrical equipment according to claim 2; it is characterized in that: described first elastic conducting strip is side " V "; it comprises that first stiff end and that is fixed in the insulating base bottom wall upper surface is fixed in first elastic arm of first stiff end; the terminal part of this first elastic arm is first elastic portion; wherein, the lower end abutment of the first interlock post is in first elastic arm.
10, the protective device that is used for electrical equipment according to claim 4; it is characterized in that: described second elastic conducting strip; its second stiff end is fixed in perisporium top; the middle part, bottom surface of this second elastic conducting strip is for conducting electricity second elastic portion that is connected in second conductive part; wherein, the lower end abutment of the second interlock post is in the terminal part of second elastic conducting strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100421364A CN100533904C (en) | 2006-01-09 | 2006-01-09 | Protector for electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100421364A CN100533904C (en) | 2006-01-09 | 2006-01-09 | Protector for electrical equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101001014A true CN101001014A (en) | 2007-07-18 |
| CN100533904C CN100533904C (en) | 2009-08-26 |
Family
ID=38692876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100421364A Active CN100533904C (en) | 2006-01-09 | 2006-01-09 | Protector for electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100533904C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106653478A (en) * | 2017-02-22 | 2017-05-10 | 佛山市川东磁电股份有限公司 | Compatible type temperature controller |
| CN106710988A (en) * | 2017-02-22 | 2017-05-24 | 佛山市川东磁电股份有限公司 | Novel fusing temperature controller |
| CN110600324A (en) * | 2019-10-18 | 2019-12-20 | 佛山市高明欧一电子制造有限公司 | Floating type adjustable temperature controller with overtemperature protection contact |
-
2006
- 2006-01-09 CN CNB2006100421364A patent/CN100533904C/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106653478A (en) * | 2017-02-22 | 2017-05-10 | 佛山市川东磁电股份有限公司 | Compatible type temperature controller |
| CN106710988A (en) * | 2017-02-22 | 2017-05-24 | 佛山市川东磁电股份有限公司 | Novel fusing temperature controller |
| CN106653478B (en) * | 2017-02-22 | 2018-08-17 | 佛山市川东磁电股份有限公司 | A kind of compatible type temperature controller |
| CN110600324A (en) * | 2019-10-18 | 2019-12-20 | 佛山市高明欧一电子制造有限公司 | Floating type adjustable temperature controller with overtemperature protection contact |
| CN110600324B (en) * | 2019-10-18 | 2021-12-03 | 佛山市高明欧一电子制造有限公司 | Floating type adjustable temperature controller with overtemperature protection contact |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100533904C (en) | 2009-08-26 |
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