CN202711970U - Photovoltaic solar energy isolation switch - Google Patents
Photovoltaic solar energy isolation switch Download PDFInfo
- Publication number
- CN202711970U CN202711970U CN 201220242908 CN201220242908U CN202711970U CN 202711970 U CN202711970 U CN 202711970U CN 201220242908 CN201220242908 CN 201220242908 CN 201220242908 U CN201220242908 U CN 201220242908U CN 202711970 U CN202711970 U CN 202711970U
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- slide block
- contact
- lip
- shaped
- main shaft
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Abstract
The utility model relates to a photovoltaic solar energy isolation switch. The photovoltaic solar energy isolation switch comprises a base, a contact system, an operation mechanism and an energy storage mechanism, wherein the contact system, the operation mechanism and the energy storage mechanism are arranged on the base. The contact system comprises a lip-shaped contact and knife-shaped contacts matched with the lip-shaped contact, wherein the lip-shaped contact and the knife-shaped contacts are arranged in the insulation base. The lip-shaped contact is a conductive piece according to which both ends are metal sheets and the middle is a through hole. Arc-shaped arc-extinction plates are arranged on both sides of the conductive piece. The center through hole of the lip-shaped contact is connected with a main shaft. Two knife-shaped contacts are respectively electrically connected with two connector components at the input end and output end. When the main shaft drives the lip-shaped contact to rotate and when the lip-shaped contact rotates to contact the knife-shaped contacts, the two connector components switch a circuit on through the metal sheets at both ends of the lip-shaped contact. The photovoltaic solar energy isolation switch provided by the utility model has the advantages that the design of the operation mechanism is optimized; the strength of parts are enhanced, and the service life are improved; the design of the energy storage mechanism is optimized; a torsion spring is reasonably restrained to prevent the situations, and the security risks are eliminated; the use reliability is improved; and a reasonable assembly relationship is designed.
Description
Technical field
The utility model relates to a kind of switch, particularly photovoltaic system is provided the photovoltaic solar isolating switch of protection.
Background technology
The photovoltaic solar isolating switch mainly acts on isolation and the breaking function of photovoltaic system DC power supply, and assurance inverter and DC power supply can reliably be isolated.Also can be used in simultaneously general low-voltage distribution protection system and serve as the main switch use.
Existing photovoltaic solar isolating switch mainly has pedestal, contact system, and operating mechanism, stored energy mechanism forms.The interrupting performance of switch and speed depend primarily on the size of the stored energy of torque spring energy store mechanism and the reliability of operating mechanism.
Up and down play can appear in torsion spring in the existing stored energy mechanism, seriously can jump out rotation axis and cause operating mechanism to lose efficacy.Also have and upwarp the phenomenon of withstanding lid according to observing at ordinary times torsion spring, this causes the Speed Reduction of switch disjunction, handle feel variation.
Power transmission shaft and the keeper of existing operating mechanism are working of plastics, and because will bear very large impulsive force in transfer process, there are certain potential safety hazard in its intensity and security reliability.
The assembling of existing isolating switch is complicated, and production efficiency is lower, and labour intensity is large.
Summary of the invention
For the problem of above existence, the utility model provides a kind of photovoltaic solar isolating switch, is also providing more highly reliable operating characteristics, the stored energy mechanism of stability and safety more, more convenient and rational assembling mode.
To achieve these goals, the utility model is by the following technical solutions:
The photovoltaic solar isolating switch, comprise pedestal, and be installed in contact system on the pedestal, operating mechanism and stored energy mechanism, contact system also comprises the lip contact that is installed in the insulating base and the cutter type contact that cooperates with it, described lip contact is that two ends are that the centre of sheet metal is the electric-conductor of through hole, and the both sides of electric-conductor are provided with the arc arc extinguishing board, the central through hole of lip contact is connected with main shaft, two cutter type contacts are connected the junction block electrical component with input respectively and are connected with output, when main shaft drives the rotation of lip contact, when the lip contact turned to cutter type contact and touches mutually, two junction block assemblies were connected circuit by the sheet metal at lip contact two ends; Otherwise circuit disconnects;
The main shaft upper end is provided with boss, be provided with longitudinally hole in the boss, the slide block that boss is provided with about one outward or slide in front and back, the main shaft upper end be provided with stored energy mechanism, the axle of stored energy mechanism lower end is inserted in the hole of boss, stored energy mechanism is a rotation axis, and the rotation axis overcoat has torsion spring, and the top of torsion spring is provided with split washer, and split washer is stuck in the groove of rotation axis, stretch out two projections on the rotation axis, the torsion spring two ends are stuck in slide block two protruding sides;
When slide block slides into an end, when projection was positioned at an end of slide block groove, the outer extension of slide block one end was stuck in the groove of shell, and slide block can not rotate, and at this moment, energy storing structure self rotates;
When slide block slides into the other end, when projection is positioned at the other end of slide block groove, the outer extension of slide block one end withdraws from outside the groove of shell, the two ends of torsion spring lay respectively at the both sides of the right and left projection of slide block, the extension of rotation axis also withstands on a projection side of slide block, at this moment, stored energy mechanism and slide block and following main shaft rotate together;
The upper end of rotation axis links to each other with handle on the shell.
The next door of the back side mounting groove of housing is provided with retainer, is provided with back-moving spring in the retainer, and back-moving spring can move along the groove horizontal direction retainer.
The beneficial effects of the utility model: the Optimum Operation mechanism design has strengthened parts intensity and has improved useful life.Optimize the stored energy mechanism design, torsion spring is reasonably retrained, to prevent above-mentioned situation, eliminate its potential safety hazard, improve dependability.Design is assembly relation more reasonably.
Description of drawings
Fig. 1, front view of the present utility model;
Fig. 2, stored energy mechanism initial position schematic diagram of the present utility model;
Fig. 3, stored energy mechanism of the present utility model final position schematic diagram;
Fig. 4, the utility model stored energy mechanism structure chart;
Fig. 5, the utility model contact system structure chart;
Fig. 6, the utility model operating mechanism cutaway view.
Fig. 7, the utility model shell schematic rear view.
Embodiment
Such as Fig. 5, shown in Figure 6, the photovoltaic solar isolating switch, comprise pedestal 15, and be installed in contact system on the pedestal 15, operating mechanism and stored energy mechanism, contact system also comprises the lip contact that is installed in the insulating base 7 and the cutter type contact 5 that cooperates with it, described lip contact 6 is that the centre of sheet metal is the electric-conductor of through hole for two ends, and the both sides of electric-conductor are provided with the arc arc extinguishing board, the central through hole of lip contact 6 is connected with main shaft, two cutter type contacts 5 are electrically connected with input and output two junction block assemblies 4 respectively, when main shaft drives 6 rotation of lip contact, when lip contact 6 turned to cutter type contact 5 and touches mutually, two junction block assemblies 4 were connected circuit by the sheet metal at lip contact 6 two ends; Otherwise circuit disconnects;
Such as Fig. 2, Fig. 3, shown in Figure 4, the main shaft upper end is provided with boss, is provided with longitudinally hole in the boss, the slide block 8 that boss is provided with about outward or slide in front and back, main shaft upper end be provided with stored energy mechanism, the axle of stored energy mechanism lower end is inserted in the hole of boss, and stored energy mechanism is a rotation axis 3, and rotation axis 3 overcoats have torsion spring 2, the top of torsion spring 2 is provided with split washer 1, split washer 1 is stuck in the groove of rotation axis 3, stretches out two projections on the rotation axis 3, and torsion spring 2 two ends are stuck in slide block two protruding sides.
When slide block 8 slides into an end, when projection was positioned at an end of slide block groove, the outer extension of slide block one end was stuck in the groove 9 of shell, and slide block can not rotate, and at this moment, energy storing structure self rotates;
When slide block slides into the other end, when projection is positioned at the other end of slide block groove, the outer extension of slide block one end withdraws from outside the groove of shell, the two ends of torsion spring 2 lay respectively at the both sides of the right and left projection of slide block, the extension of rotation axis 3 also withstands on a projection side of slide block, at this moment, stored energy mechanism and slide block and following main shaft rotate together;
As shown in Figure 1, the upper end of rotation axis links to each other with handle on the shell.
During use, the handle on the rotation case turns an angle, energy storing structure begins energy storage, simultaneously, drive slide block movement, when slide block slides into the other end, when boss is positioned at the other end of slide block groove, the outer extension of slide block one end withdraws from outside the groove of shell, and the two ends of torsion spring 2 lay respectively at the both sides of the right and left projection of slide block, and the extension of rotation axis 3 also withstands on a projection side of slide block, at this moment, stored energy mechanism and slide block and following main shaft rotate together; Make slide block slide into make position (slide block is stuck in the groove of loam cake vertical direction among Fig. 3 at this moment).
The energy that energy storing structure stores in the synchronizing process begins to discharge, and main shaft drives lip contact 6 and rotates,
When lip contact 6 turned to cutter type contact 5 and touches mutually, two junction block assemblies 4 were connected circuit by the sheet metal at lip contact 6 two ends; Otherwise circuit disconnects.
As shown in Figure 7, the next door of the back side mounting groove of housing is provided with retainer 14, is provided with back-moving spring 13 in the retainer 14, and back-moving spring 13 can move along the groove horizontal direction retainer 14.
What should be understood that is that above-described embodiment is just for explanation of the present utility model, rather than to restriction of the present utility model, any utility model that exceeds in the connotation scope of the present utility model is created, and all falls within the protection range of the present utility model.
Claims (2)
1. photovoltaic solar isolating switch, comprise pedestal (15), and be installed in contact system on the pedestal (15), operating mechanism and stored energy mechanism, it is characterized in that, contact system also comprises the lip contact that is installed in the insulating base (7) and the cutter type contact (5) that cooperates with it, described lip contact (6) is that the centre of sheet metal is the electric-conductor of through hole for two ends, and the both sides of electric-conductor are provided with the arc arc extinguishing board, the central through hole of lip contact (6) is connected with main shaft, two cutter type contacts (5) are electrically connected with input and output two junction block assemblies (4) respectively, when main shaft drives lip contact (6) rotation, when lip contact (6) turns to cutter type contact (5) when touching mutually, two junction block assemblies (4) are connected circuit by the sheet metal at lip contact (6) two ends; Otherwise circuit disconnects;
The main shaft upper end is provided with boss, be provided with longitudinally hole in the boss, the slide block that boss is provided with about one outward or slide in front and back, main shaft upper end be provided with stored energy mechanism, the axle of stored energy mechanism lower end is inserted in the hole of boss, stored energy mechanism is a rotation axis (3), and rotation axis (3) overcoat has torsion spring (2), the top of torsion spring (2) is provided with split washer (1), split washer (1) is stuck in the groove of rotation axis (3), rotation axis stretches out two projections on (3), and torsion spring (2) two ends are stuck in slide block two protruding sides;
When slide block slides into an end, when projection was positioned at an end of slide block groove, the outer extension of slide block one end was stuck in the groove of shell, and slide block can not rotate, and at this moment, energy storing structure self rotates;
When slide block slides into the other end, when projection is positioned at the other end of slide block groove, the outer extension of slide block one end withdraws from outside the groove of shell, the two ends of torsion spring (2) lay respectively at the both sides of the right and left projection of slide block, the extension of rotation axis (3) also withstands on a projection side of slide block, at this moment, stored energy mechanism and slide block and following main shaft rotate together;
The upper end of rotation axis links to each other with handle on the shell.
2. photovoltaic solar isolating switch as claimed in claim 1, it is characterized in that: the next door of the back side mounting groove of housing is provided with retainer (14), be provided with back-moving spring (13) in the retainer (14), back-moving spring (13) can move along the groove horizontal direction retainer (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220242908 CN202711970U (en) | 2012-05-25 | 2012-05-25 | Photovoltaic solar energy isolation switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220242908 CN202711970U (en) | 2012-05-25 | 2012-05-25 | Photovoltaic solar energy isolation switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202711970U true CN202711970U (en) | 2013-01-30 |
Family
ID=47592249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220242908 Expired - Lifetime CN202711970U (en) | 2012-05-25 | 2012-05-25 | Photovoltaic solar energy isolation switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202711970U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103681033A (en) * | 2013-12-19 | 2014-03-26 | 山东华宁矿业集团有限公司 | High-protection switch isolation bolt mechanical locking device |
| CN103887094A (en) * | 2014-01-16 | 2014-06-25 | 温州奔一电气有限公司 | PV isolation protection switch assembly |
| CN107622883A (en) * | 2017-10-31 | 2018-01-23 | 浙江科瑞普电气有限公司 | A kind of direct-current isolating switch |
-
2012
- 2012-05-25 CN CN 201220242908 patent/CN202711970U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103681033A (en) * | 2013-12-19 | 2014-03-26 | 山东华宁矿业集团有限公司 | High-protection switch isolation bolt mechanical locking device |
| CN103887094A (en) * | 2014-01-16 | 2014-06-25 | 温州奔一电气有限公司 | PV isolation protection switch assembly |
| CN107622883A (en) * | 2017-10-31 | 2018-01-23 | 浙江科瑞普电气有限公司 | A kind of direct-current isolating switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130130 |