CN204089644U - A kind of integral type overcurrent overheat PTC starter - Google Patents
A kind of integral type overcurrent overheat PTC starter Download PDFInfo
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- CN204089644U CN204089644U CN201420496472.6U CN201420496472U CN204089644U CN 204089644 U CN204089644 U CN 204089644U CN 201420496472 U CN201420496472 U CN 201420496472U CN 204089644 U CN204089644 U CN 204089644U
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Abstract
A kind of integral type overcurrent overheat PTC starter, box body has the containing cavity placing overcurrent overheat protector and PTC starter respectively, both are covered in the containing cavity of box body by protector lid and starter lid respectively.This apparatus structure is simple, and the main element of overcurrent overheat protector and PTC starter is arranged in the different containing cavities of same box body respectively, can effectively reduce the volume of device, improve its versatility; Protector is connected outside line through box body with lid with the terminals of starter, and component placement can be made compacter, reasonable, is conducive to simplifying connection line; Main element is covered in containing cavity by lid, can improve its installation strength, both can improve its antidetonation and anti-strike capability, is also conducive to storing and transport, makes appearance cleaner and tidier, attractive in appearance simultaneously.
Description
Technical field
The utility model relates to PTC starter, particularly relates to a kind of integral type overcurrent overheat PTC starter that simultaneously can carry out overtemperature protection and overcurrent protection.
Background technology
Normal installing starter and protector in the use of compressor, to ensure work safety and the performance of compressor, and need to be arranged among circuit respectively because of these two kinds of devices; easily cause complex circuit, difficult in maintenance, increase electric wire cost; cause equipment volume huge, the scope of application is little simultaneously.
For the ease of installation and the use of starter and protector; both combine in order to " integrally " by existing a kind of overcurrent overheat starter; as shown in Figure 1, 2; this device comprises overcurrent overheat protector 102 and PTC starter 101; starter box body has the recess 103 placing overcurrent overheat protector, the mode that overcurrent overheat protector then overlaps grafting by terminal and female plug is fixed on recess.Although starter and protector have been combined into " integrally " by this device; but in fact; both just piece together by simply; connection line in circuit is not simplified, and equipment volume does not have corresponding reduction yet, and the relation even because both being combined causes this device volume to become larger; more be difficult to the development trend and the requirement that adapt to miniaturized compressor; the product that combines of this kind simultaneously, the structural strength between protector and starter is low, causes technique more complicated.
Summary of the invention
The utility model aims to provide a kind of integral type overcurrent overheat PTC starter that simultaneously can carry out overtemperature protection and overcurrent protection, to simplify circuit, to reduce equipment volume.
Integral type overcurrent overheat PTC starter described in the utility model, comprise overcurrent overheat protector and PTC starter, inside is had to have the box body of protector containing cavity and starter containing cavity, protector lid protector and starter are covered in respectively in protector containing cavity and starter containing cavity in addition and starter lid; An electrode of overcurrent overheat protector is connected with external circuit through protector lid, and another electrode is connected with external circuit through the bottom of box body; Overcurrent overheat protector comprises the attemperating unit with temperature opening and closing, with the heating wire of heating after energising, inside is had to have the chassis of stepped concave station, heating wire is arranged in lower floor's ladder of concave station, attemperating unit is arranged on the upper strata ladder of concave station, connector attemperating unit being equipped with splicing ear and slightly protruding from outside attemperating unit box body, one end of splicing ear is positioned at protector containing cavity and connects an electrode of attemperating unit, and the other end of splicing ear stretches out in protector lid and connects external circuit; Connector is arranged in protector containing cavity and connects another electrode of attemperating unit and one end of heating wire; The other end of heating wire is connected with pin, and the bottom of box body has the jack being communicated with pin, and the binding post of compressor is connected with pin through jack.
Integral type overcurrent overheat PTC starter described in the utility model; respectively containing cavity is set for overcurrent overheat protector and PTC starter in box body; and respectively by different lids, both being covered on box body, overcurrent overheat protector is then each passed through lid with the terminals of PTC starter and is connected external circuit with box body.This apparatus structure is simple, and the main element of overcurrent overheat protector and PTC starter is arranged in the different containing cavities of same box body respectively, can effectively reduce the volume of device, improve its versatility; Protector is connected outside line through box body with lid with the terminals of starter, and component placement can be made compacter, reasonable, is conducive to simplifying connection line; Main element is covered in containing cavity by lid, can improve its installation strength, both can improve its antidetonation and anti-strike capability, is also conducive to storing and transport, makes appearance cleaner and tidier, attractive in appearance simultaneously; Attemperating unit and heating wire connect as one by chassis, greatly can be reduced complexity and the maintenance difficulties of circuit, reduce costs simultaneously and reduce equipment volume, expand its scope of application by this kind of simple structure; Inside chassis is provided with stair-stepping concave station, attemperating unit and heating wire are arranged in the upper and lower ladder of concave station respectively, both the stability of its work can have been ensured, both directly contacts can be avoided again, thus cause the change of heating wire setup parameter or heating wire to cause attemperating unit work because transferring heat is excessive under the state of low current, effectively ensure its job stability and accuracy; Splicing ear on attemperating unit can realize being electrically connected with the part such as the plate of external circuit, pin easily, and connector slightly protrudes from outside box body, can effectively reduce its equipment volume meeting on the basis be connected with terminal board; Heating wire is arranged within the concave station on chassis, and it can be facilitated by outside terminal board, stably be connected attemperating unit; And the setting of pin, with the setting of jack bottom box body, make it be connected with compressor circuit simply and easily, improve it and convenience is installed and reduces maintenance difficulties.
Accompanying drawing explanation
Fig. 1,2 is structural representations of existing overcurrent overheat PTC starter.
Fig. 3 is the structural blast figure of overcurrent overheat PTC starter described in the utility model.
Fig. 4,5 is box body structure schematic diagrames of the PTC of overcurrent overheat shown in Fig. 3 starter.
Fig. 6 is the structural representation of the overcurrent overheat protector of the PTC of overcurrent overheat shown in Fig. 3 starter.
Embodiment
A kind of integral type overcurrent overheat PTC starter, comprise overcurrent overheat protector 1 and PTC starter 2, inside is had to have the box body 3 of protector containing cavity 31 and starter containing cavity 32, the protector lid 4 protector and starter are covered in respectively in protector containing cavity and starter containing cavity in addition and starter lid 5; An electrode of overcurrent overheat protector 1 is connected with external circuit through protector lid 4, and another electrode is connected with external circuit through the bottom of box body 3; Overcurrent overheat protector 1 comprises the attemperating unit 11 with temperature opening and closing, with the heating wire 12 of heating after energising, inside is had to have the chassis 14 of stepped concave station 13, heating wire is arranged in lower floor's ladder of concave station, attemperating unit is arranged on the upper strata ladder of concave station, attemperating unit is equipped with splicing ear 15 and slightly protrudes from the connector 16 outside attemperating unit box body, one end of splicing ear is positioned at protector containing cavity 31 and connects an electrode of attemperating unit, and the other end of splicing ear stretches out in protector lid 4 and connects external circuit; Connector is arranged in protector containing cavity 31 and connects another electrode of attemperating unit and one end of heating wire; The other end of heating wire is connected with pin 17, and the bottom of box body 3 has the jack 33 being communicated with pin, and the binding post of compressor is connected with pin through jack.
Chassis 14 outer wall of overcurrent overheat protector 1 is provided with terminal base 18 and pin base 19, and terminal board 10 to be fixed in terminal base and to connect one end and the connector 16 of heating wire 12, and pin 17 to be fixed on pin base and to connect external circuit; The shape of the protector containing cavity 31 of box body 3 is consistent with the external shape on chassis 14.In box body the shape of containing cavity and the shape on chassis consistent, on the one hand can reduce required equipment volume, also can improve bonding strength between the two on the other hand.
The bottom of the protector containing cavity 31 of box body 3 has through hole 34.Need distribute heat under the normal operating condition of heating wire, the setting of through hole is then conducive to its heat radiation, ensures the normal operation of equipment.
Protector lid 4 is fixed on box body 3 by melting, and starter lid 5 is fixed by snap on box body 3, and this kind of syndeton is simple, firm.
Claims (5)
1. an integral type overcurrent overheat PTC starter, comprise overcurrent overheat protector (1) and PTC starter (2), it is characterized in that: have inside to have the box body (3) of protector containing cavity (31) and starter containing cavity (32), the protector lid (4) respectively protector and starter are covered in protector containing cavity and starter containing cavity in addition and starter lid (5), an electrode of overcurrent overheat protector (1) is connected with external circuit through protector lid (4), and another electrode is connected with external circuit through the bottom of box body (3), overcurrent overheat protector (1) comprises the attemperating unit (11) with temperature opening and closing, with the heating wire (12) of heating after energising, inside is had to have the chassis (14) of stepped concave station (13), heating wire is arranged in lower floor's ladder of concave station, attemperating unit is arranged on the upper strata ladder of concave station, attemperating unit is equipped with splicing ear (15) and slightly protrudes from the connector (16) outside attemperating unit box body, one end of splicing ear is positioned at protector containing cavity (31) and connects an electrode of attemperating unit, the other end of splicing ear stretches out in protector lid (4) and connects external circuit, connector is arranged in protector containing cavity (31) and connects another electrode of attemperating unit and one end of heating wire, the other end of heating wire is connected with pin (17), and the bottom of box body (3) has the jack (33) being communicated with pin, and the binding post of compressor is connected with pin through jack.
2. integral type overcurrent overheat PTC starter according to claim 1, it is characterized in that: chassis (14) outer wall of overcurrent overheat protector (1) is provided with terminal base (18) and pin base (19), terminal board (10) to be fixed in terminal base and to connect one end and the connector (16) of heating wire (12), and pin (17) to be fixed on pin base and to connect external circuit; The shape of the protector containing cavity (31) of box body (3) is consistent with the external shape of chassis (14).
3. integral type overcurrent overheat PTC starter according to claim 1 and 2, is characterized in that: the bottom of the protector containing cavity (31) of box body (3) has through hole (34).
4. integral type overcurrent overheat PTC starter according to claim 1 and 2, is characterized in that: protector lid (4) is fixed on box body (3) by melting.
5. integral type overcurrent overheat PTC starter according to claim 1 and 2, is characterized in that: starter lid (5) is fixed by snap on box body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420496472.6U CN204089644U (en) | 2014-09-01 | 2014-09-01 | A kind of integral type overcurrent overheat PTC starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420496472.6U CN204089644U (en) | 2014-09-01 | 2014-09-01 | A kind of integral type overcurrent overheat PTC starter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204089644U true CN204089644U (en) | 2015-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420496472.6U Active CN204089644U (en) | 2014-09-01 | 2014-09-01 | A kind of integral type overcurrent overheat PTC starter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204089644U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108817954A (en) * | 2018-09-04 | 2018-11-16 | 常熟市天银机电股份有限公司 | With the starter automatic assembling apparatus to PTC installation function |
-
2014
- 2014-09-01 CN CN201420496472.6U patent/CN204089644U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108817954A (en) * | 2018-09-04 | 2018-11-16 | 常熟市天银机电股份有限公司 | With the starter automatic assembling apparatus to PTC installation function |
| CN108817954B (en) * | 2018-09-04 | 2024-01-26 | 常熟市天银机电股份有限公司 | Automatic starter assembling device with PTC mounting function |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |