CN209626156U - A kind of breaker of plastic casing having temperature control abnormal alarm - Google Patents
A kind of breaker of plastic casing having temperature control abnormal alarm Download PDFInfo
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- CN209626156U CN209626156U CN201920666364.1U CN201920666364U CN209626156U CN 209626156 U CN209626156 U CN 209626156U CN 201920666364 U CN201920666364 U CN 201920666364U CN 209626156 U CN209626156 U CN 209626156U
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- connecting groove
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Abstract
The utility model discloses a kind of breaker of plastic casing for having temperature control abnormal alarm, including plastic housing main body, bimetal leaf, thermistor, copper bar and alarm unit, thermistor, copper bar, alarm unit are sequentially connected in series, and and by thermistor, copper bar and the alarm unit after series connection and be connected in the intracorporal circuit loop of plastic housing master, wherein thermistor is arranged by bimetal leaf: being provided with connecting groove on the one side of plastic housing main body, connecting groove includes groove slot bottom and recess sidewall, connector is offered on groove slot bottom, connector is connected to copper bar and groove slot bottom；Dismountable mounting terminal is provided in connecting groove, and alarm unit is arranged in mounting terminal, when mounting terminal is mounted in connecting groove, the connection terminal of alarm unit is connect by connector with copper bar.The utility model proposes breaker of plastic casing in thermistor influenced resistance by bimetal leaf high temperature and be lower, circuit loop is powered to alarm unit, and alarm unit issues the user with warning.
Description
Technical field
The utility model relates to breaker technical field, in particular to a kind of breaker of plastic casing for having temperature control abnormal alarm.
Background technique
Breaker is a kind of current switch dress for distributing electric energy, carrying out real-time guard to power circuit and motor etc.
It sets, it can carry in real time, close, disconnect in normal circuit according to the normal of circuit, overload, short circuit and the states such as under-voltage
Electric current, to guarantee the safety of circuit.Breaker of plastic casing is one kind of breaker, and plastic housing refers to being made with plastic insulation
For the shell of device, and all parts are all sealed in plastic shell.
Breaker of plastic casing generally comprises arc-chutes, switch, contact system etc., does not consider generally when repairing breaker of plastic casing
Maintenance but directly replace, but the utilization rate of breaker of plastic casing is big, when usage quantity reaches a certain level, the cost replaced
Necessarily rise.Manufacturer has found that breaker of plastic casing is in use in the feedback of user, and bimetal leaf is sometimes in breaker of plastic casing
President maintains a higher temperature time, i.e. the temperature of the bimetal leaf temperature that has reached tripping fastly, but not
The temperature for reaching tripping will cause other components in breaker of plastic casing when bimetal leaf maintains higher temperature for a long time
Temperature rise, thus the hidden danger burnt out, the case where most serious, can cause breaker of plastic casing inside spontaneous combustion, to generate peace
Full accident.
Utility model content
The main purpose of the utility model is to provide a kind of breaker of plastic casing for having temperature control abnormal alarm, it is intended to solve plastic housing
Bimetal leaf maintains a higher temperature for a long time and will cause in breaker of plastic casing in the temperature of other components in breaker
Rise, thus burn out hidden danger the problem of.
To achieve the above object, the utility model proposes technical solution be:
A kind of breaker of plastic casing having temperature control abnormal alarm, including plastic housing main body, bimetal leaf, thermistor, copper bar and
Alarm unit, the bimetal leaf, the thermistor, the copper bar are arranged in the plastic housing main body, the thermistor,
The copper bar, the alarm unit are sequentially connected in series, and and the thermistor after series connection, the copper bar, the warning is single
Member is simultaneously connected in the intracorporal circuit loop of plastic housing master, wherein the thermistor is arranged by the bimetal leaf；It is described
Connecting groove is provided on the one side of plastic housing main body, the connecting groove includes groove slot bottom and recess sidewall, the groove slot
Connector is offered on bottom, the connector is connected to the copper bar and the groove slot bottom；It is additionally provided in the plastic housing main body
The mounting terminal being mounted in the connecting groove, the mounting terminal are detachably connected with the connecting groove, and described
Alarm unit is arranged in the mounting terminal, is provided with connection terminal on the alarm unit, when the mounting terminal is installed
When in the connecting groove, the connection terminal is connect by the connector with the copper bar.
Preferably, the mounting terminal includes terminal body and the elastic arm that is mounted on terminal body outer peripheral surface, described
Elastic arm is for the mounting terminal to be fixed in the connecting groove；Top of the terminal body far from the groove slot bottom
Side offers installation groove, and the installation groove is for installing the alarm unit；It is provided in the slot bottom of the installation groove
Insert port corresponding with the connector, slot bottom that the insert port is connected to the installation groove and the terminal body are close to institute
The bottom side for stating groove slot bottom, when the mounting terminal is mounted in the connecting groove, the insert port and the connector
Connection.
Preferably, the elastic arm is in convex, and the elastic arm includes integrally formed interconnecting piece and convex shaped part, described
The end of interconnecting piece is connect with one end on the terminal body outer peripheral surface close to the groove slot bottom, and the end of the interconnecting piece
The end face in portion is concordant close to the bottom side of the groove slot bottom with the terminal body, and the elastic arm is tilted along the end, institute
Elastic arm is stated along the end at an acute angle between the convex shaped part direction and the terminal body；It is separate in the recess sidewall
One end of the groove slot bottom is provided with a pair of of limited block, and is provided with preset interval between two limited blocks, when the peace
When dress terminal is mounted in the connecting groove, the interconnecting piece is close to one end of the convex shaped part and the limited block close to institute
The end thereof contacts of groove slot bottom are stated, and the convex shaped part is between two limited blocks.
Preferably, the one end of the convex shaped part far from the interconnecting piece extends into control to far from the terminal body direction
End, when the convex shaped part is between two limited blocks, the control terminal is located at outside the connecting groove.
Preferably, asbestos adapter sleeve is provided in the installation groove, it is single that the asbestos adapter sleeve is set in the warning
In member, and the alarm unit and the asbestos adapter sleeve are interference fitted.
Preferably, the terminal body is in cuboid, and the circumferentially upper symmetrical two sides of the terminal body are respectively arranged with bullet
Property arm；The connecting groove is in cuboid, is respectively arranged in the recess sidewall on two sides corresponding with two elastic arms
A pair of of limited block.
Preferably, the connecting groove of 1 or 1 or more quantity is provided in the mounting terminal, each connection is recessed
One mounting terminal is installed on slot.
Preferably, the alarm unit includes light emitting diode or buzzer.
Compared with prior art, the utility model at least have it is following the utility model has the advantages that
It after thermistor, copper bar, alarm unit are sequentially connected in series and is connected in the intracorporal circuit loop of plastic housing master, works as bimetallic
Piece maintain a higher temperature again without triggering breaker disconnect when, thermistor due to bimetal leaf high temperature influence electricity
Resistive is low, and circuit loop can normally power to alarm unit at this time, and alarm unit issues the user with warning alert user and checks, whole
Body structure is simple, and being detachably connected by mounting terminal and connecting groove, convenient to replace at any time.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram for the breaker of plastic casing embodiment 1 for having temperature control abnormal alarm of the utility model；
Fig. 2 is the enlarged drawing in Fig. 1 at A；
Fig. 3 is the structural schematic diagram for not installing mounting terminal in Fig. 1；
Fig. 4 is the enlarged drawing in Fig. 3 at B；
Fig. 5 is the right view of Fig. 3；
Fig. 6 is the enlarged drawing in Fig. 5 at C；
Fig. 7 is the structural schematic diagram of mounting terminal in Fig. 1；
Fig. 8 is the left view of Fig. 7；
Fig. 9 is cross-sectional view of the Fig. 8 in the direction A-A.
Drawing reference numeral explanation:
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only used for explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, such as
When the fruit particular pose changes, then directionality instruction also correspondingly changes correspondingly.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and cannot manage
Solution is its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.It is " more in the description of the present invention,
It is a " it is meant that at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " connection ", " fixation " etc. should do broad sense reason
Solution, for example, " fixation " may be a fixed connection, may be a detachable connection, or integral；It can be mechanical connection, it can also
To be electrical connection；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary
Or the interaction relationship of two elements, unless otherwise restricted clearly.It for the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
It in addition, the technical solution between each embodiment of the utility model can be combined with each other, but must be with ability
Based on domain those of ordinary skill can be realized, it will be understood that when the combination of technical solution appearance is conflicting or cannot achieve
The combination of this technical solution is not present, also not within the protection scope of the requires of the utility model.
The utility model proposes a kind of breaker of plastic casing for having temperature control abnormal alarm.
A kind of breaker of plastic casing having temperature control abnormal alarm as shown in Figures 1 to 6, including plastic housing main body 100, bimetallic
Piece, thermistor, copper bar 110 and alarm unit 400, bimetal leaf, thermistor, copper bar 110 are arranged in plastic housing main body 100
In, thermistor, copper bar 110, alarm unit 400 are sequentially connected in series, and and by after series connection thermistor, copper bar 110 and warning
In unit 400 and the circuit loop being connected in plastic housing main body 100, wherein thermistor is arranged by bimetal leaf；Plastic housing main body
Connecting groove 200 is provided on 100 one side, connecting groove 200 includes groove slot bottom 210 and recess sidewall 220, groove slot bottom
Connector 211 is offered on 210, connector 211 is connected to copper bar 110 and groove slot bottom 210；It is additionally provided in plastic housing main body 100
The mounting terminal 300 being mounted in connecting groove 200, mounting terminal 300 are to be detachably connected with connecting groove 200, and warning is single
Member 400 is arranged in mounting terminal 300, connection terminal 410 is provided on alarm unit 400, when 300 company of being mounted on of mounting terminal
When connecing on groove 200, connection terminal 410 is connect by connector 211 with copper bar 110.
Thermistor is since the influence resistance of bimetal leaf high temperature is lower, and circuit loop can be normally to alarm unit at this time
400 power supplies, issue the user with warning alert user and check that overall structure is simple, and pass through mounting terminal 300 and connecting groove
200 be detachably connected, keeps the replacement of alarm unit 400 convenient.
Referring to Fig. 7 to Fig. 9, mounting terminal 300 includes terminal body 310 and is mounted on 310 outer peripheral surface of terminal body
Elastic arm 320, elastic arm 320 is for mounting terminal 300 to be fixed in connecting groove 200；Terminal body 310 is far from groove slot
The top side at bottom 210 offers installation groove 311, and installation groove 311 is for installing alarm unit 400；The slot bottom of installation groove 311
It is inside provided with insert port 312 corresponding with connector 211, insert port 312 is connected to the slot bottom and terminal body of installation groove 311
310 close to the bottom side of groove slot bottom 210, when mounting terminal 300 is mounted in connecting groove 200, insert port 312 and connector
211 connections.It is damaged since the spread of voltage of thermistor may cause alarm unit 400, therefore mounting terminal 300 and connection are recessed
The cooperation of slot 200 can be convenient the replacement of alarm unit 400, and the cost of alarm unit 400 and its cheap, will not make to user
At other financial burden.Elastic arm 320 can be connect by spring with terminal body 310 as needed, pass through the bullet of spring
Mounting terminal 300 is fixed in connecting groove 200 by power；Or elastic arm is exactly the bullet being attached on 310 outer peripheral surface of terminal body
Property material, directly by mounting terminal 300 be pressed into connecting groove 200 in, make 200 two interference of mounting terminal 300 and connecting groove
Cooperation.
Elastic arm 320 is in convex, and elastic arm 320 includes integrally formed interconnecting piece 321 and convex shaped part 322, interconnecting piece
321 end is connect with one end on 310 outer peripheral surface of terminal body close to groove slot bottom 210, and the end of the end of interconnecting piece 321
Face is concordant close to the bottom side of groove slot bottom 210 with terminal body 310, and elastic arm 320 is tilted along end, and elastic arm 320 is along end
To at an acute angle between the top-direction and terminal body 310 of convex shaped part 322；The one of separate groove slot bottom 210 in recess sidewall 220
End is provided with a pair of of limited block 221, and is provided with preset interval between two limited blocks 221, when mounting terminal 300 is mounted on connection
When on groove 200, interconnecting piece 321 close to convex shaped part 322 one end and limited block 221 close to groove slot bottom 210 end thereof contacts,
And convex shaped part 322 is between two limited blocks 221.The setting of elastic arm 320 and limited block 221 can be convenient elastic arm 320
It is fixed in terminal body 310.
The one end of convex shaped part 322 far from interconnecting piece 321 extends into control terminal 323 to far from 310 direction of terminal body, when convex
When shape portion 322 is between two limited blocks 221, control terminal 323 is located at outside connecting groove 200.User is by pushing down control terminal 323
Mounting terminal 300 can be manipulated and pass in and out mouth of connecting trough.
Asbestos adapter sleeve 313 is provided in installation groove 311, asbestos adapter sleeve 313 is set on alarm unit 400, and
Alarm unit 400 is interference fitted with asbestos adapter sleeve 313.Asbestos adapter sleeve 313 can play protection, fastening alarm unit
400 effect, and in the case where alarm unit 400 is burnt out, asbestos adapter sleeve 313 also has fireproof effect.
It is provided with the connecting groove 200 of 1 or 1 or more quantity in mounting terminal, installs one in each connecting groove 200
Mounting terminal 300.The setting of multiple connecting grooves 200, each connecting groove 200 connect a thermistor, a copper bar
110, and the positive temperature coefficient of the thermistor of the connection of each connecting groove 200 is different, and connected in each connecting groove 200
Thermistor, copper bar 110, between alarm unit 400 at parallel connection.So when the temperature rises, corresponding alarm unit 400 issues
Warning, so that it may the temperature regime in breaker be judged according to the quantity that alarm unit 400 issues warning, be more clear user
Understand situation in breaker.
Terminal body 310 is in cuboid, and the circumferential symmetrical two sides of terminal body 310 are respectively arranged with elastic arm 320；Even
Connecing groove 200 is in cuboid, is respectively arranged with a pair of of limited block on two sides corresponding with two elastic arms 320 in recess sidewall 220
221.Being used cooperatively for upper and lower two pairs of limited blocks 221 and two elastic arms 320, can make mounting terminal 300 in connecting groove 200
It is inside more firm.
Alarm unit 400 includes light emitting diode or buzzer, and the acquisition cost of light emitting diode or buzzer is cheap.
The above is only the preferred embodiments of the utility model, and therefore it does not limit the scope of the patent of the utility model, all
Under the inventive concept of the utility model, equivalent structure transformation made based on the specification and figures of the utility model, or
Directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (8)
1. a kind of breaker of plastic casing for having temperature control abnormal alarm, which is characterized in that including plastic housing main body, bimetal leaf, temperature-sensitive electricity
Resistance, copper bar and alarm unit, the bimetal leaf, the thermistor, the copper bar are arranged in the plastic housing main body, described
Thermistor, the copper bar, the alarm unit are sequentially connected in series, and and by the thermistor after series connection, the copper bar, institute
It states alarm unit and is connected in the intracorporal circuit loop of plastic housing master, wherein the thermistor is arranged in the bimetal leaf
It is other；It is provided with connecting groove on the one side of the plastic housing main body, the connecting groove includes groove slot bottom and recess sidewall, described
Connector is offered on groove slot bottom, the connector is connected to the copper bar and the groove slot bottom；In the plastic housing main body also
It is provided with the mounting terminal being mounted in the connecting groove, the mounting terminal is to be detachably connected with the connecting groove,
And the alarm unit is arranged in the mounting terminal, connection terminal is provided on the alarm unit, when the installation end
When son is mounted in the connecting groove, the connection terminal is connect by the connector with the copper bar.
2. a kind of breaker of plastic casing for having temperature control abnormal alarm according to claim 1, which is characterized in that the installation end
The elastic arm that attached bag includes terminal body and is mounted on terminal body outer peripheral surface, the elastic arm is for consolidating the mounting terminal
It is scheduled in the connecting groove；The terminal body offers installation groove, the installation far from the top side of the groove slot bottom
Groove is for installing the alarm unit；Insert port corresponding with the connector is provided in the slot bottom of the installation groove,
Slot bottom that the insert port is connected to the installation groove and the terminal body are close to the bottom side of the groove slot bottom, when the peace
When dress terminal is mounted in the connecting groove, the insert port is connect with the connector.
3. a kind of breaker of plastic casing for having temperature control abnormal alarm according to claim 2, which is characterized in that the elastic arm
In convex, the elastic arm includes integrally formed interconnecting piece and convex shaped part, the end of the interconnecting piece and the terminal sheet
It is connected on external circumferential surface close to one end of the groove slot bottom, and the end face of the end of the interconnecting piece is leaned on the terminal body
The bottom side of the nearly groove slot bottom is concordant, and the elastic arm is tilted along the end, and the elastic arm is along the end to described
It is at an acute angle between convex shaped part direction and the terminal body；One end in the recess sidewall far from the groove slot bottom is provided with
A pair of of limited block, and it is provided with preset interval between two limited blocks, when the mounting terminal is mounted on the connecting groove
When upper, the interconnecting piece close to the convex shaped part one end and the limited block close to the groove slot bottom end thereof contacts, and
The convex shaped part is between two limited blocks.
4. a kind of breaker of plastic casing for having temperature control abnormal alarm according to claim 3, which is characterized in that the convex shaped part
One end far from the interconnecting piece extends into control terminal to far from the terminal body direction, when the convex shaped part is located at two limits
When between block, the control terminal is located at outside the connecting groove.
5. according to a kind of any breaker of plastic casing for having temperature control abnormal alarm of claim 2-4, which is characterized in that described
Asbestos adapter sleeve is provided in installation groove, the asbestos adapter sleeve is set on the alarm unit, and the alarm unit
It is interference fitted with the asbestos adapter sleeve.
6. according to a kind of any breaker of plastic casing for having temperature control abnormal alarm of claim 2-4, which is characterized in that described
Terminal body is in cuboid, and the circumferentially upper symmetrical two sides of the terminal body are respectively arranged with elastic arm；The connecting groove is in
Cuboid is respectively arranged with a pair of of limited block on two sides corresponding with two elastic arms in the recess sidewall.
7. a kind of breaker of plastic casing for having temperature control abnormal alarm according to claim 1 to 4, which is characterized in that described
It is provided with the connecting groove of 1 or 1 or more quantity in mounting terminal, a mounting terminal is installed in each connecting groove.
8. a kind of breaker of plastic casing for having temperature control abnormal alarm according to claim 1 to 4, which is characterized in that described
Alarm unit includes light emitting diode or buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920666364.1U CN209626156U (en) | 2019-05-10 | 2019-05-10 | A kind of breaker of plastic casing having temperature control abnormal alarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920666364.1U CN209626156U (en) | 2019-05-10 | 2019-05-10 | A kind of breaker of plastic casing having temperature control abnormal alarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209626156U true CN209626156U (en) | 2019-11-12 |
Family
ID=68442787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920666364.1U Active CN209626156U (en) | 2019-05-10 | 2019-05-10 | A kind of breaker of plastic casing having temperature control abnormal alarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209626156U (en) |
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2019
- 2019-05-10 CN CN201920666364.1U patent/CN209626156U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 413002 No. 1 Xuefu Road West, Longling Industrial Park, Heshan District, Yiyang City, Hunan Province Patentee after: Hunan SDEC Intelligent Technology Co.,Ltd. Address before: 413002 No. 1 Xuefu Road West, Longling Industrial Park, Heshan District, Yiyang City, Hunan Province Patentee before: HUNAN SIDEKE SMART SWITCH Co.,Ltd. |