CN212365906U - Resistor fuse fusing value control mechanism according to service life of electrical component - Google Patents
Resistor fuse fusing value control mechanism according to service life of electrical component Download PDFInfo
- Publication number
- CN212365906U CN212365906U CN202020968429.0U CN202020968429U CN212365906U CN 212365906 U CN212365906 U CN 212365906U CN 202020968429 U CN202020968429 U CN 202020968429U CN 212365906 U CN212365906 U CN 212365906U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- fixedly connected
- shell
- control mechanism
- bottom plate
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Fuses (AREA)
Abstract
The utility model relates to a controlgear art field specifically is a resistance insurance fusing value control mechanism according to electrical components and parts year of use, the last fixed surface of bottom plate is connected with the head rod, the upper surface set screw hole of bottom plate, the upper surface run through sliding connection of head rod has the circuit board, the lower surface of second connecting rod passes through the internal surface elastic connection of supporting spring with the head rod, the last fixed surface of second connecting rod is connected with the circuit board, the top of circuit board is provided with the roof. The effect of controlling the fusing value of the safety resistor according to the service life of the electrical component is achieved, the first contact piece and the second contact piece can be in contact with each other after the circuit board deforms under specific conditions, so that the indicating lamp is triggered to prompt a user that the service life of the circuit board reaches the peak value, and the circuit connection of the circuit board is disconnected through the control box, so that the electrical appliance is used safely.
Description
Technical Field
The utility model relates to a controlgear technical field specifically is a resistance insurance fusing value control mechanism according to electrical components and parts year of use.
Background
The safety resistor has the function of a common resistor under normal conditions, once the circuit fails and exceeds the rated power of the circuit, the circuit can be disconnected within a specified time, so that the effect of protecting other components is achieved, meanwhile, the safety resistor can protect normal use of equipment while protecting other components, and more serious consequences are avoided when the circuit fails.
However, when the electronic components are used for a long time, the carrying capacity of the electronic components for voltage and current is reduced, the electronic components are more easily overloaded, and the fuse resistor with a fixed value is gradually not matched with the aged electronic components and cannot play a role of protecting a circuit.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a resistance insurance fusing value control mechanism according to electrical components year of use, by following concrete technical means reach:
the utility model provides a resistance fuse fusing value control mechanism according to electrical components service life, includes the bottom plate, the last fixed surface of bottom plate is connected with the head rod, the upper surface of bottom plate sets up threaded hole, the upper surface of head rod runs through sliding connection and has the circuit board, the internal surface of head rod passes through the lower surface elastic connection of supporting spring with the second connecting rod, the last fixed surface of second connecting rod is connected with the circuit board, the top of circuit board is provided with the roof, the last fixed surface of roof is connected with the pilot lamp.
The lower surface intermediate position department fixedly connected with casing of circuit board, the lower surface of casing runs through sliding connection and has the bracing piece, the upper surface of bracing piece passes through the internal surface elastic connection of expansion spring with the casing, the inside bilateral symmetry fixedly connected with limiting plate of casing, the spacing groove has been seted up on the limiting plate, the inside of spacing groove has insurance resistance towards the outside one side fixed mounting of casing, sliding connection is run through to the left and right sides upper end symmetry of bracing piece has the connection feeler, the left side fixedly connected with second contact of the lower surface of casing, be provided with first contact and be located the upper surface of circuit board under the second contact.
As optimization, four corners of the lower surface of the top plate are fixedly connected with first connecting rods, and four corners of the upper surface of the bottom plate are fixedly connected with first connecting rods.
As optimization, threaded holes are formed in four corners of the upper surface of the base plate and are located between the opposite surfaces of the first connecting rods.
And optimally, the size of the connecting contact block is matched with that of the limiting groove, and the opposite surfaces of the connecting contact block are elastically connected through a compression spring.
Preferably, the shells are respectively positioned at the middle positions of the lower surfaces of the top plates and the upper surfaces of the bottom plates, and the shells are cylindrical in shape.
Preferably, the expansion spring is in a stretched state in the normal state.
Preferably, the compression spring is in a compressed state in a normal state.
For optimization, the farther the fuse resistor is away from the supporting block, the smaller the resistance value of the fuse resistor is.
The utility model discloses possess following beneficial effect:
1. this resistance insurance fusing value control mechanism according to electrical components and parts year of use, when the circuit board produced deformation, the circuit board produced the extrusion force to the bracing piece of laminating mutually with it, after the bracing piece received the extrusion force, broken two force balances between extension spring and the compression spring, connect the touch multitouch and break away from current spacing groove, upwards slide in the casing, then block to the spacing inslot of next stage to the effect of controlling the fusing value of insurance resistance according to electrical components and parts year of use has been reached.
2. This resistance fuse fusing value control mechanism according to electrical components and parts year of use can contact through first contact and second contact behind the specific condition of circuit board deformation to trigger the pilot lamp and reach the peak value with the service life of suggestion user's circuit board, and break off the circuit connection of circuit board through the control box, so that electrical apparatus is used in safer use.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front cross-sectional view of the present invention;
FIG. 3 is an enlarged view of a portion of the housing of the present invention;
fig. 4 is an enlarged view of a portion a in fig. 2.
In the figure: 1. a top plate; 2. a circuit board; 3. a first connecting rod; 4. an indicator light; 5. a base plate; 6. a threaded hole; 7. a second connecting rod; 8. a support spring; 9. a housing; 10. an expansion spring; 11. a limiting plate; 12. a compression spring; 13. a support bar; 14. connecting the contact blocks; 15. A limiting groove; 16. a safety resistor; 17. a first contact piece; 18. a second contact.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, a fuse resistance value control mechanism according to the service life of an electrical component includes a bottom plate 5, four corners of the upper surface of the bottom plate 5 are respectively provided with a threaded hole 6 and are located between the opposite surfaces of first connecting rods 3, the upper surface of the bottom plate 5 is fixedly connected with the first connecting rods 3, and the upper surface of the bottom plate 5 is provided with the threaded holes 6.
The upper surface of head rod 3 runs through sliding connection and has circuit board 2, and the internal surface of head rod 3 passes through supporting spring 8 and the lower surface elastic connection of second connecting rod 7, and the last fixed surface of second connecting rod 7 is connected with circuit board 2, and the top of circuit board 2 is provided with roof 1, the equal fixedly connected with head rod 3 in lower surface four corners of roof 1.
The equal fixedly connected with head rod 3 in upper surface four corners of bottom plate 5, the last fixed surface of roof 1 is connected with pilot lamp 4, indicate circuit board 2's lower surface intermediate position department fixedly connected with casing 9, the lower surface of casing 9 runs through sliding connection and has bracing piece 13, the internal surface elastic connection of expanding spring 10 and casing 9 is passed through to the upper surface of bracing piece 13, the inside bilateral symmetry fixedly connected with limiting plate 11 of casing 9, limiting groove 15 has been seted up on limiting plate 11, limiting groove 15's inside has insurance resistance 16 towards the outside one side fixed mounting of casing 9.
The upper end of the left side and the right side of the supporting rod 13 is symmetrically penetrated through and slidably connected with a connecting contact block 14, the size of the connecting contact block 14 is matched with that of the limiting groove 15, a second contact piece 18 is fixedly connected with the left side of the lower surface of the shell 9 through a compression spring 12 in an elastic connection mode between opposite surfaces of the connecting contact block 14, and a first contact piece 17 is arranged right below the second contact piece 18 and located on the upper surface of the circuit board 2.
When the circuit board 2 deforms, the circuit board 2 generates an extrusion force on the support rod 13 attached to the circuit board 2, after the support rod 13 receives the extrusion force, the two-force balance between the expansion spring 10 and the compression spring 12 is broken, the connection contact block 14 is separated from the current limit groove, slides upwards in the shell 9 and then is clamped in the limit groove 15 of the next stage, and therefore the effect of controlling the fusing value of the safety resistor according to the service life of the electrical component is achieved.
The first contact piece 17 and the second contact piece 18 are contacted after the circuit board 2 is deformed under a specific condition, so that the indicator lamp 4 is triggered to prompt a user that the service life of the circuit board 2 reaches a peak value, and the circuit connection of the circuit board 2 is disconnected through the control box, so that the electric appliance is used more safely.
When the circuit board is used, firstly, the circuit board 2 is arranged between the top plate 1 and the bottom plate 5, then the circuit board 2 is arranged in the electric appliance through the threaded hole 6 on the bottom plate 5, then the circuit board 2 can deform along with the increase of the service life, when the circuit board 2 deforms, the surface of the circuit board 2 is sunken or raised, the raised surface of the circuit board 2 can generate extrusion force to the supporting rod 13 attached with the circuit board 2, the thrust generated by the compression spring 12 to the connecting contact block 14 and the tension generated by the expansion spring 10 to the connecting contact block through the supporting rod 13 keep balance with the supporting force generated by the circuit board 2 to the supporting rod 13, after the supporting rod 13 receives the extrusion force, the balance between two forces of the expansion spring 10 and the compression spring 12 is broken, the connecting contact block 14 is separated from the current limiting groove, slides upwards in the shell 9 and then is clamped into the limiting groove 15 of the next stage, after the supporting rod 13 slides upwards, the deformation of the circuit board 2 reaches a fixed value within a certain time, the supporting rod 13 does not bear extrusion force any more, the thrust generated by the compression spring 12 to the connecting contact block 14 and the tension generated by the expansion spring 10 to the connecting contact block through the supporting rod 13 and the supporting force generated by the circuit board 2 to the supporting rod 13 keep balance, along with the increase of service years, the deformation of the circuit board 2 is more serious, the circuit board continues to contact with the supporting rod 13 to a certain degree, the supporting rod 13 continues to slide upwards in the shell 9, when the deformation of the circuit board 2 reaches a certain degree, the first contact piece 17 and the second contact piece 18 are contacted, so that the indicator lamp 4 is triggered to prompt a user that the service life of the circuit board 2 reaches a peak value, and the circuit connection of the circuit board 2 is disconnected through the control box, so that the electrical appliance.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a resistance fuse fusing value control mechanism according to electrical components and parts year of use, includes bottom plate (5), its characterized in that: the upper surface of the bottom plate (5) is fixedly connected with a first connecting rod (3), the upper surface of the bottom plate (5) is provided with a threaded hole (6), the upper surface of the first connecting rod (3) is connected with a circuit board (2) in a penetrating and sliding mode, the inner surface of the first connecting rod (3) is elastically connected with the lower surface of a second connecting rod (7) through a supporting spring (8), the upper surface of the second connecting rod (7) is fixedly connected with the circuit board (2), a top plate (1) is arranged above the circuit board (2), and the upper surface of the top plate (1) is fixedly connected with an indicator lamp (4);
a shell (9) is fixedly connected at the middle position of the lower surface of the circuit board (2), the lower surface of the shell (9) is connected with a support rod (13) in a penetrating and sliding way, the upper surface of the support rod (13) is elastically connected with the inner surface of the shell (9) through an expansion spring (10), limiting plates (11) are fixedly connected in the shell (9) in a bilateral symmetry manner, limiting grooves (15) are formed in the limiting plates (11), a safety resistor (16) is fixedly arranged on one side of the inner part of the limiting groove (15) facing the outer part of the shell (9), the upper ends of the left side and the right side of the supporting rod (13) are symmetrically connected with connecting contact blocks (14) in a penetrating and sliding way, the left side of the lower surface of the shell (9) is fixedly connected with a second contact piece (18), and a first contact piece (17) is arranged right below the second contact piece (18) and is positioned on the upper surface of the circuit board (2).
2. The mechanism of claim 1, wherein the fuse-resistor value control mechanism comprises: the lower surface four corners of roof (1) all fixedly connected with head rod (3), the upper surface four corners of bottom plate (5) all fixedly connected with head rod (3).
3. The mechanism of claim 1, wherein the fuse-resistor value control mechanism comprises: threaded holes (6) are formed in four corners of the upper surface of the base plate (5), and the four corners of the upper surface of the base plate are located between opposite surfaces of the first connecting rods (3).
4. The mechanism of claim 1, wherein the fuse-resistor value control mechanism comprises: the size of the connecting contact block (14) is matched with that of the limiting groove (15), and the opposite surfaces of the connecting contact block (14) are elastically connected through a compression spring (12).
5. The mechanism of claim 1, wherein the fuse-resistor value control mechanism comprises: the shell (9) is respectively positioned at the middle positions of the lower surface of the top plate (1) and the upper surface of the bottom plate (5), and the shell (9) is cylindrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020968429.0U CN212365906U (en) | 2020-06-01 | 2020-06-01 | Resistor fuse fusing value control mechanism according to service life of electrical component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020968429.0U CN212365906U (en) | 2020-06-01 | 2020-06-01 | Resistor fuse fusing value control mechanism according to service life of electrical component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212365906U true CN212365906U (en) | 2021-01-15 |
Family
ID=74155556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020968429.0U Expired - Fee Related CN212365906U (en) | 2020-06-01 | 2020-06-01 | Resistor fuse fusing value control mechanism according to service life of electrical component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212365906U (en) |
-
2020
- 2020-06-01 CN CN202020968429.0U patent/CN212365906U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212365906U (en) | Resistor fuse fusing value control mechanism according to service life of electrical component | |
| CN211479975U (en) | Fuse base convenient for replacing parts | |
| CN210167190U (en) | Safety type piezoresistor | |
| CN204857615U (en) | Firm electric leakage circuit breaker of wiring | |
| CN214200478U (en) | Pressure detection sensor | |
| CN214753540U (en) | Desk type large-current temperature limiter capable of sensitively disconnecting control contact | |
| CN103794425B (en) | Earth leakage protective device | |
| CN100440676C (en) | One display device for multichip drop out of power supply SPD | |
| CN211628958U (en) | High-power switch | |
| CN214101966U (en) | Quick assembly disassembly's compensation module | |
| CN109152308B (en) | From taking radiator module structure with warning instruction function | |
| CN215178249U (en) | Temperature measuring device for circuit breaker | |
| CN211530242U (en) | Electric shock prevention large current connector | |
| CN110752578B (en) | Circuit protection device for paper shredder | |
| CN215064972U (en) | Force cell sensor elastomer structure | |
| CN219989162U (en) | Internet of things-based automobile overspeed alarm device with reminding function | |
| CN215870074U (en) | Protection against electric shock protection device is used in electromechanical installation | |
| CN215343242U (en) | Overload protection socket | |
| CN220085963U (en) | Power regulator with built-in fast fuse | |
| CN220672311U (en) | Piezoresistor | |
| CN213483673U (en) | Be used for electric leakage circuit breaker and empty circuit breaker to assemble structure | |
| CN220570311U (en) | Leakage protector convenient to installation | |
| CN216528377U (en) | Novel copper strips for transformer | |
| CN209766351U (en) | Isolated fast acting fuse convenient to dismouting | |
| CN217642690U (en) | Thermal release and indication mechanism and surge protection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210115 Termination date: 20210601 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |