CN207503881U - Electrothermal relay - Google Patents
Electrothermal relay Download PDFInfo
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- CN207503881U CN207503881U CN201721346569.9U CN201721346569U CN207503881U CN 207503881 U CN207503881 U CN 207503881U CN 201721346569 U CN201721346569 U CN 201721346569U CN 207503881 U CN207503881 U CN 207503881U
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Abstract
A kind of electrothermal relay, including thermal tripping structure, the thermal tripping structure includes patch panel assemblies and the bi-metallic element and heater element that are installed on patch panel assemblies, there are gaps, the heater element side protrusion between bi-metallic element and heater element to be equipped with the reinforcing rib for preventing the excessively high deformation of temperature.The utility model electrothermal relay uses heater element and bi-metallic element gap setting, the side protrusion setting reinforcing rib of heater element, increase heater element overall construction intensity, heater element is prevented to be heated (when welding or work) to deform, performance safety is stablized, it is simple and compact for structure, it is at low cost.
Description
Technical field
The utility model is related to Low Voltage Electrical Apparatus, more particularly to a kind of electrothermal relay.
Background technology
Electrothermal relay for protecting motor, generally include heater element, main double golden bending mechanisms, displacement transfer device and
Tripping mechanism and shell.When the operating overload for flowing through motor, the heat that heater element generates makes double gold curve through position
It moves transfer device and is transmitted to tripping mechanism, electrothermal relay is threaded off, and achievees the purpose that protect motor.
The both ends of existing heater element are respectively required for being welded on the upper and lower contact plate of contact plate.Bi-metallic element leans on spiral shell
Nail is fastened on contact plate.After the both ends of heater element are welded on the upper and lower contact plate of contact plate, heater element is easy
It is uneven that torsional deformation causes the heating surface of heater element to be generated heat, and influences bimetallic element acting characteristic.
In addition, the auxiliary contact protection structural strength of existing housing is insufficient, it is easily damaged in transportational process.
Invention content
The purpose of the utility model is to overcome the defects of the prior art, provide a kind of simple and compact for structure, performance safety
Stablize, electrothermal relay at low cost.
To achieve the above object, the utility model employs following technical solution：
A kind of electrothermal relay, including thermal tripping structure, the thermal tripping structure includes patch panel assemblies 1 and is installed on wiring
Bi-metallic element 2 and heater element 3 on plate component 1, it is described there are gap 3011 between bi-metallic element 2 and heater element 3
3 side of heater element protrusion is equipped with the reinforcing rib 301 for preventing the excessively high deformation of temperature.
Further, the patch panel assemblies 1 include upper contact plate 11 and the lower contact plate 12 positioned at upper 11 lower section of contact plate,
The bi-metallic element 2 is installed on contact plate 11, and the both ends of heater element 3 are fixed with upper contact plate 11 and lower contact plate 12
Connection, bi-metallic element 2 and heater element 3 are arranged in parallel.
Further, the heater element 3 is convex shape platy structure, including the hair towards the protrusion setting of bi-metallic element 2
Hot ontology 31 and the fixed plate 32 positioned at 31 both ends of fever ontology, the both ends of fever ontology 31 pass through angularly disposed linkage section 33
It is connect with the fixed plate 32 at both ends, the reinforcing rib 301 is set on fever ontology 31 backwards to the side of bi-metallic element 2.
Further, the reinforcing rib 301 is set along 3 length direction of heater element, and reinforcing rib 301 is 3 direction of heater element
The convex ribs for protruding from another side surface that the direct extrusion process of a middle side part of bi-metallic element 2 is formed, the side of heater element 3
Form processing groove 302.
Further, the upper contact plate 11 include orthogonal first terminal plate, 111 and first bending plate 112, under connect
Touch panel 12 includes orthogonal second terminal plate, 121 and second bending plate 122, and the second terminal plate 121 is located at the first terminal plate
The side of the first terminal plate 111 is stretched in 111 lower section, the upper end that the first bending plate 112 is connected to the first terminal plate 111, and second
The opposite side of the first terminal plate 111 is stretched in the upper end that bending plate 122 is connected to the second terminal plate 121, under the first terminal plate 111
Side extension of the end side wall to the first terminal plate 111, which is equipped with, connect fixed first fixing end 113 with one end of heater element 3,
First fixing end 113 is vertical with the first terminal plate 111 and the first bending plate 112 simultaneously, the bottom side of the wall of the second terminal plate 121 to
The side extension of second terminal plate 121, which is equipped with, connect fixed second fixing end 123 with the other end of heater element 3, and second is solid
Fixed end 123 is vertical with the second bending plate 122 and the second terminal plate 121 simultaneously, and the second fixing end 123 is located at the first fixing end 113
It lower section and is arranged in parallel with the first fixing end 113.
Further, the bi-metallic element 2 includes the bimetal leaf 21 being oppositely arranged with heater element 3 and bimetal leaf 21
The bimetal leaf fixed plate 22 of one end connection, the first terminal plate 111 of bimetal leaf fixed plate 22 and upper contact plate 11 it is parallel and
Fixation is connect using screw with the first terminal plate 111.
Further, pedestal 4 is further included, the thermal tripping structure is installed in pedestal 4, and the lateral wall of the pedestal 4 is equipped with
For the auxiliary contact of auxiliary contact to be protected to protect structure, the auxiliary contact protection structure is protrusion set on the outside of pedestal 4
4 outside of pedestal is stretched out for wiring, adjacent two piece of first separation in first demarcation strip 41 of wall, one end of the terminal plate of auxiliary contact
Between plate 41 formed for accommodate auxiliary contact terminal plate one end the first installation cavity 42；Close to the outermost of pedestal 4
The first support dowel 401 for increasing intensity is equipped between adjacent two piece of first demarcation strip, 41 lower end.
Further, the lateral wall of the pedestal 4 also protrudes to be equipped with protects structure for the main contact for protecting main contact；It is main to touch
Head protection structure is second demarcation strip 45 of the protrusion set on the lateral wall of pedestal 4, and pedestal 4 is stretched out in one end of the terminal plate of main contact
Lateral wall formed for wiring, between adjacent two piece of second demarcation strip 45 for accommodate auxiliary contact terminal plate one end the
Two installation cavities 46；The second support dowel for increasing intensity is equipped between the lower end of adjacent two piece of second demarcation strip 45.
Further, it is equipped with to increase intensity between adjacent two pieces of demarcation strips, 41 lower end of 4 inside of close pedestal
First support dowel 401.
Further, two groups of auxiliary contacts are installed on the pedestal 4, each pair of auxiliary contact include two it is setting up and down auxiliary
Contact is helped, the two rows of pedestal 4 are respectively equipped with two auxiliary contacts, and first demarcation strip 41 divides two rows to be set on pedestal 4
Side wall, three piece of first demarcation strip 41 of often row's setting.
The utility model electrothermal relay uses heater element and bi-metallic element gap setting, and the side of heater element is protruded
Reinforcing rib is set, increases heater element overall construction intensity, heater element is prevented to be heated (when welding or work) and is deformed, property
Energy safety and stability, it is simple and compact for structure, it is at low cost.The reinforcing rib is set on fever ontology backwards to the side of bi-metallic element, hair
Thermal element it is simple and compact for structure, it is clear that reinforcing rib can also be set on side of the heater element towards bi-metallic element, can also rise
To corresponding effect.
Description of the drawings
Fig. 1 is the stereogram of the utility model thermal tripping mechanism；
Fig. 2 is the side view of the utility model thermal tripping mechanism；
Fig. 3 is another orientation side view of the utility model thermal tripping mechanism；
Fig. 4 is the stereoscopic schematic diagram of this practicality heater element；
Fig. 5 is the back side diagram of the utility model heater element；
Fig. 6 is the front diagram of the utility model heater element；
Fig. 7 is the front view of one pedestal of embodiment of the utility model electrothermal relay；
Fig. 8 is the stereogram of one pedestal of embodiment of the utility model electrothermal relay；
Fig. 9 is the front view of two pedestal of embodiment of the utility model electrothermal relay；
Figure 10 is the stereogram of two pedestal of embodiment of the utility model electrothermal relay；
Figure 11 is the front view of three pedestal of embodiment of the utility model electrothermal relay；
Figure 12 is the stereogram of three pedestal of embodiment of the utility model electrothermal relay.
Specific embodiment
Below in conjunction with the embodiment that attached drawing 1 to 12 provides, the specific reality of the electrothermal relay of the utility model is further illustrated
Apply mode.The utility model electrothermal relay is not limited to the following description.
As shown in Fig. 1-6,7,8, the utility model electrothermal relay, including pedestal 4 and the relay machine being installed in pedestal 4
Structure, relay mechanism include thermal tripping mechanism, and the thermal tripping structure includes patch panel assemblies 1 and is installed on patch panel assemblies 1
On bi-metallic element 2 and heater element 3, there are gap 3011 between bi-metallic element 2 and heater element 3, the fever member
3 side of part protrusion is equipped with the reinforcing rib 301 for preventing the excessively high deformation of temperature.The utility model electrothermal relay is using heater element and double
Metal assembly gap setting, the side protrusion setting reinforcing rib of heater element, increases heater element overall construction intensity, prevents
Heater element is heated (when welding or work) and deforms, and performance safety is stablized, simple and compact for structure, at low cost.
As shown in Figs. 1-3, the patch panel assemblies 1 include upper contact plate 11 and the lower contact positioned at upper 11 lower section of contact plate
Plate 12, the bi-metallic element 2 are installed on contact plate 11, the both ends of heater element 3 and upper contact plate 11 and lower contact plate
12 are fixedly connected, and bi-metallic element 2 and heater element 3 are arranged in parallel.The utility model thermal tripping mechanism it is simple and compact for structure.
Specifically, as shown in figure 4, the heater element 3 is convex shape platy structure, including convex towards bi-metallic element 2
The fever ontology 31 for going out setting and the fixed plate 32 positioned at fever ontology 31 both ends, the both ends of fever ontology 31 pass through angularly disposed
Linkage section 33 connect with the fixed plate 32 at both ends, the reinforcing rib 301 be set on fever ontology 31 backwards to bi-metallic element 2 one
Side.Heater element 3 it is simple and compact for structure, it is clear that reinforcing rib 301 can also be set on heater element towards bi-metallic element 2
Side can also play the role of corresponding.
As shown in Figure 5,6, the reinforcing rib 301 is set along 3 length direction of heater element, and reinforcing rib 301 is heater element 3
The convex ribs for protruding from another side surface formed towards the direct extrusion process of a middle side part of bi-metallic element 2, heater element 3
Side forms processing groove 302.Reinforcing rib 301 is processed directly to be formed by extrusion process in a side surface of heater element 3
Simply, it is at low cost.Reinforcing rib 301 can also have other set-up modes, such as use lateral arrangement, it is clear that a plurality of reinforcement may be used
Muscle.
As shown in Figs. 1-3, the upper contact plate 11 includes orthogonal first terminal plate, 111 and first bending plate 112,
Lower contact plate 12 includes orthogonal second terminal plate, 121 and second bending plate 122, and the second terminal plate 121 connects positioned at first
The side of the first terminal plate 111 is stretched in the lower section of line plate 111, the upper end that the first bending plate 112 is connected to the first terminal plate 111,
The opposite side of the first terminal plate 111, the first terminal plate 111 are stretched in the upper end that second bending plate 122 is connected to the second terminal plate 121
Side from bottom side of the wall to the first terminal plate 111 extension be equipped with fixed first fixing end is connect with one end of heater element 3
113, the first fixing end 113, lower end side of second terminal plate 121 vertical with the first terminal plate 111 and the first bending plate 112 simultaneously
Side extension of the wall to the second terminal plate 121, which is equipped with, connect fixed second fixing end 123 with the other end of heater element 3, the
Two fixing ends 123 are vertical with the second bending plate 122 and the second terminal plate 121 simultaneously, and the second fixing end 123 is located at the first fixing end
It is arranged in parallel below 113 and with the first fixing end 113.The utility model patch panel assemblies are arranged using up-down structure, with fever
Element 3 welds, simple and compact for structure.
As shown in Figure 2,3, the bi-metallic element 2 includes the bimetal leaf 21 being oppositely arranged with heater element 3 and double gold
Belong to the bimetal leaf fixed plate 22 of 21 one end of piece connection, bimetal leaf fixed plate 22 and the first terminal plate 111 of upper contact plate 11
It is parallel and fixation is connect using screw with the first terminal plate 111.Bimetal leaf 21 is adopted with upper contact plate 11 and is screwed, fixed
Compact-sized convenience can also be fixedly connected with mode using other, riveting, clamping etc..
As shown in fig.7-12, the utility model electrothermal relay is equipped with multiple main contacts, the side of main contact on pedestal 4
Auxiliary contact is installed, the lateral wall of the pedestal 4 is equipped with for the auxiliary contact of auxiliary contact to be protected to protect structure, described auxiliary
Contact protection structure is helped to include first demarcation strip 41 of the protrusion set on the lateral wall of pedestal 4, one end of the terminal plate of auxiliary contact
It stretches out 4 outside of pedestal and is used for wiring, the terminal plate one for accommodating auxiliary contact is formed between adjacent two piece of first demarcation strip 41
First installation cavity 42 at end；It is equipped with to increase between outermost adjacent two piece of first demarcation strip, 41 lower end of pedestal 4
First support dowel 401 of reinforcement degree.The utility model electrothermal relay is equipped with multiple main contacts in the lateral wall of pedestal, main
The side of contact is equipped with auxiliary contact, and the lateral wall of pedestal is equipped with auxiliary contact and protects structure, and auxiliary contact protection structure includes
Set on the demarcation strip of the lateral wall of pedestal, setting supports between the outermost adjacent two pieces of demarcation strip lower ends of pedestal connects protrusion
Muscle is connect, problem is easily broken in transportational process to reduce auxiliary contact protection structure.
It is to be understood that outermost adjacent two piece of first demarcation strip, 41 lower end close to pedestal 4 refers to adjacent two pieces
The part on the lower of the lower end of first demarcation strip 41 and the first demarcation strip 41, reserves the wiring space of terminal screw i.e.
It can.
Specifically, as Figure 7-8, the lateral wall of the pedestal 4, which also protrudes, is equipped with that the master of main contact is protected to touch
Head protection structure；Main contact protection structure includes second demarcation strip 45 of the protrusion set on the lateral wall of pedestal 4, the wiring of main contact
The lateral wall that pedestal 4 is stretched out in one end of plate is used for wiring, is formed between adjacent two piece of second demarcation strip 45 tactile for accommodating auxiliary
Second installation cavity 46 of terminal plate one end of head；It is equipped with to increase intensity between the lower end of adjacent two piece of second demarcation strip 45
The second support dowel (not shown), main contact can be set to protect structure, while touched to main in the lateral wall of pedestal
Head also functions to protective effect.
Further, the support for increasing intensity is equipped between adjacent two pieces of demarcation strips, 41 lower end of 4 inside of pedestal
Dowel 401.Support dowel 401 is also provided between adjacent two pieces of demarcation strips 41 of the inside of pedestal 4, to being set to base
The auxiliary contact of seat inside plays a protective role.
As shown in fig.7-12, the first support dowel 401 is connected to the lower end end of adjacent two piece of first demarcation strip 41
Portion, the first support dowel 401 form U-shaped structure with adjacent two piece of first demarcation strip 41.Be equipped on the pedestal 4 two groups it is auxiliary
Contact is helped, each pair of auxiliary contact includes two auxiliary contacts setting up and down, and the two rows of pedestal 4 are respectively equipped with two auxiliary
Contact, first demarcation strip 41 divide two rows of side walls for being set on pedestal 4, three piece of first demarcation strip 41 of often row's setting.Fig. 7,8 reality
It applies in example, often arranges and support dowel is both provided between adjacent two piece of first demarcation strip 41.In the embodiment of Fig. 9-10, only exist
Setting support dowel between outermost adjacent two piece of first demarcation strip of pedestal 4.The height of the first support dowel 401
Equal to or less than the height of the first demarcation strip 41, in the embodiment of Figure 11-12, the height of the first support dowel 401 is less than
The height of first demarcation strip 41.Particularly, the first support 401 and first demarcation strip 41 of dowel is integrally formed or is only
Erect the individual component put.The present embodiment, the first support dowel 401 are integrally formed with the first demarcation strip 41.
As shown in Figure 10, the madial wall protrusion of adjacent two pieces of demarcation strips 41 is equipped with the wiring for being used to support auxiliary contact
The support protrusion 411 of plate forms the interspersed slot 412 that terminal screw passes through between supported on both sides raised 411.Support protrusion 411 is right
Support auxiliary contact is played a supporting role, and terminal screw passes through wiring from interspersed slot 412, simple and reliable for structure.
As shown in Figure 10, particularly, in order to preferably protect auxiliary contact, it can also set and assist in the top of auxiliary contact
Contact protective cover, protective cover are clasped with pedestal 4, and first installation cavity 42 is in the side wall of the first demarcation strip 41 of side
Notch groove 405 directed downwardly is tilted equipped with notch, notch groove 405 coordinates with protective cover installation.
As shown in figure 8, the bottom of the pedestal 4 is equipped with to install fixed mounting plate 48 to both sides extension, pacify
The turning point for filling fixed plate 48 and the side wall of pedestal 4 is equipped with the enhancing muscle 481 for increasing intensity.Fill fixed plate 48 and the side of pedestal 4
The turning point of wall is also provided with the enhancing muscle 481 for increasing intensity, increases the intensity of mounting plate 48, prevents from occurring during installation disconnected
It splits.
The above content is combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, several simple deduction or replace can also be made, should all be regarded
To belong to the scope of protection of the utility model.
Claims (10)
1. a kind of electrothermal relay, including thermal tripping structure, it is characterised in that：The thermal tripping structure includes patch panel assemblies (1)
With the bi-metallic element (2) and heater element (3) being installed on patch panel assemblies (1), bi-metallic element (2) and heater element
(3) there are gap (3011), heater element (3) the side protrusion between to be equipped with the reinforcing rib for preventing the excessively high deformation of temperature
(301)。
2. electrothermal relay according to claim 1, it is characterised in that：The patch panel assemblies (1) include upper contact plate
(11) the lower contact plate (12) and below upper contact plate (11), the bi-metallic element (2) are installed on contact plate (11)
On, the both ends of heater element (3) are fixedly connected with upper contact plate (11) and lower contact plate (12), bi-metallic element (2) and fever
Element (3) is arranged in parallel.
3. electrothermal relay according to claim 1 or 2, it is characterised in that：The heater element (3) is convex shape plate knot
Structure, including the fever ontology (31) towards bi-metallic element (2) protrusion setting and the fixed plate positioned at fever ontology (31) both ends
(32), the both ends of fever ontology (31) are connect by angularly disposed linkage section (33) with the fixed plate (32) at both ends, described to add
Strengthening tendons (301) are set on fever ontology (31) backwards to the side of bi-metallic element (2).
4. electrothermal relay according to claim 1 or 2, it is characterised in that：The reinforcing rib (301) is along heater element (3)
Length direction is set, and reinforcing rib (301) is a middle side part direct extrusion process of the heater element (3) towards bi-metallic element (2)
The convex ribs for protruding from another side surface formed, the side of heater element (3) form processing groove (302).
5. electrothermal relay according to claim 2, it is characterised in that：The upper contact plate (11) includes orthogonal
One terminal plate (111) and the first bending plate (112), lower contact plate (12) include orthogonal second terminal plate (121) and
Two bending plates (122), the second terminal plate (121) are connected to positioned at the lower section of the first terminal plate (111), the first bending plate (112)
The side of the first terminal plate (111) is stretched in the upper end of first terminal plate (111), and the second bending plate (122) is connected to the second wiring
The opposite side of the first terminal plate (111) is stretched in the upper end of plate (121), and the bottom side of the wall of the first terminal plate (111) is to the first wiring
The side extension of plate (111), which is equipped with, connect fixed first fixing end (113), the first fixing end with one end of heater element (3)
(113) while vertical with the first terminal plate (111) and the first bending plate (112), the bottom side of the wall of the second terminal plate (121) is to
The side extension of two terminal plates (121), which is equipped with, connect fixed second fixing end (123) with the other end of heater element (3), the
Two fixing ends (123) while vertical with the second bending plate (122) and the second terminal plate (121), the second fixing end (123) is positioned at
It is arranged in parallel below one fixing end (113) and with the first fixing end (113).
6. electrothermal relay according to claim 2, it is characterised in that：The bi-metallic element (2) includes and heater element
(3) the bimetal leaf fixed plate (22) that the bimetal leaf (21) being oppositely arranged is connected with bimetal leaf (21) one end, bimetal leaf
Fixed plate (22) is parallel with the first terminal plate (111) of upper contact plate (11) and is connect with the first terminal plate (111) using screw
It is fixed.
7. electrothermal relay according to claim 1 or 2, it is characterised in that：Further include pedestal (4), the thermal tripping structure
It is installed in pedestal (4), the lateral wall of the pedestal (4) is equipped with that the auxiliary contact of auxiliary contact is protected to protect structure, institute
State the first demarcation strip (41) that auxiliary contact protection structure is the lateral wall that protrusion is set on pedestal (4), the terminal plate of auxiliary contact
One end stretch out outside pedestal (4) for wiring, formed to accommodate auxiliary contact between adjacent two piece of first demarcation strip (41)
Terminal plate one end the first installation cavity (42)；Under outermost adjacent two piece of first demarcation strip (41) of pedestal (4)
The first support dowel (401) for increasing intensity is equipped between end.
8. electrothermal relay according to claim 7, it is characterised in that：The lateral wall of the pedestal (4) is also protruded equipped with use
Structure is protected in the main contact of protection main contact；Main contact protection structure is second point of the lateral wall that protrusion is set on pedestal (4)
The lateral wall of pedestal (4) is stretched out for wiring, adjacent two piece of second demarcation strip in partition board (45), one end of the terminal plate of main contact
(45) between formed for accommodate auxiliary contact terminal plate one end the second installation cavity (46)；Adjacent two piece of second demarcation strip
(45) the second support dowel for increasing intensity is equipped between lower end.
9. electrothermal relay according to claim 7, it is characterised in that：Adjacent two pieces points on the inside of the close pedestal (4)
The first support dowel (401) for increasing intensity is equipped between partition board (41) lower end.
10. electrothermal relay according to claim 7, it is characterised in that：Two groups of auxiliary are installed on the pedestal (4) to touch
Head, each pair of auxiliary contact include two auxiliary contacts setting up and down, and the two rows of pedestal (4) are respectively equipped with two auxiliary and touch
Head, the two rows of side walls for being set on pedestal (4) of first demarcation strip (41) point, three piece of first demarcation strip (41) of often row's setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721346569.9U CN207503881U (en) | 2017-10-19 | 2017-10-19 | Electrothermal relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721346569.9U CN207503881U (en) | 2017-10-19 | 2017-10-19 | Electrothermal relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207503881U true CN207503881U (en) | 2018-06-15 |
Family
ID=62500910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721346569.9U Active CN207503881U (en) | 2017-10-19 | 2017-10-19 | Electrothermal relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207503881U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112310517A (en) * | 2019-10-15 | 2021-02-02 | 宁德时代新能源科技股份有限公司 | Secondary battery, battery module, battery pack, device, and manufacturing method |
-
2017
- 2017-10-19 CN CN201721346569.9U patent/CN207503881U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112310517A (en) * | 2019-10-15 | 2021-02-02 | 宁德时代新能源科技股份有限公司 | Secondary battery, battery module, battery pack, device, and manufacturing method |
| US11837736B2 (en) | 2019-10-15 | 2023-12-05 | Contemporary Amperex Technology Co., Limited | Secondary battery, battery module, battery pack, device, and manufacturing method |
| CN112310517B (en) * | 2019-10-15 | 2024-02-20 | 宁德时代新能源科技股份有限公司 | Secondary battery, battery module, battery pack, device, and manufacturing method |
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