CN204991614U - Mould shell photovoltaic circuit breaker - Google Patents
Mould shell photovoltaic circuit breaker Download PDFInfo
- Publication number
- CN204991614U CN204991614U CN201520729691.9U CN201520729691U CN204991614U CN 204991614 U CN204991614 U CN 204991614U CN 201520729691 U CN201520729691 U CN 201520729691U CN 204991614 U CN204991614 U CN 204991614U
- Authority
- CN
- China
- Prior art keywords
- circuit
- groove
- water joint
- plane
- cutting ferrule
- 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
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model relates to a mould shell photovoltaic circuit breaker, including the casing, the both sides of casing are provided with the wiring hole, the downthehole binding post of being provided with that should work a telephone switchboard, and its characterized in that: the lateral part of this casing is provided with the spout, and sliding connection has the slide in this spout, is provided with water joint on this slide, and this water joint's passageway communicates with each other with the wiring hole, and water joint is located the binding post outside, and this water joint includes the main part, and the main part includes the inlet wire passageway and the passageway of being qualified for the next round of competitions, this inlet wire passageway and be qualified for the next round of competitions and be equipped with interface channel between the passageway, the inlet wire passageway is provided with coupling assembling in the passageway respectively with being qualified for the next round of competitions, the utility model discloses lie in: be provided with water joint in binding post's top, it is effectual sealed to the electric wire, make electric wire and binding post have waterproof dirt -proof effect, make the mould shell photovoltaic circuit breaker security performance higher.
Description
Technical field
The utility model relates to electric field, refers to that one moulds shell photovoltaic circuit breaker especially.
Background technology
Existing shell photovoltaic circuit breaker of moulding is widely used in electric field, existing shell photovoltaic circuit breaker of moulding is for the ease of wiring, all on housing, be provided with wiring hole, binding post is provided with in this wiring hole, electric wire when outside is connected in use procedure with binding post, the dustproof and waterproof effect at this place is poor, causes this to mould shell photovoltaic breaker safe poor-performing.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of water proof and dust proof effect better and security performance moulds shell photovoltaic circuit breaker preferably.
The technical solution of the utility model is achieved in that one moulds shell photovoltaic circuit breaker, comprise housing, the both sides of housing are provided with wiring hole, binding post is provided with in this wiring hole, it is characterized in that: the sidepiece of this housing is provided with chute, slide plate is slidably connected in this chute, this slide plate is provided with water joint, the passage of this water joint communicates with wiring hole, and water joint is positioned at outside binding post, this water joint comprises main body, main body comprises inlet wire passage and outlet passage, interface channel is provided with between this inlet wire passage and outlet passage, coupling assembling is respectively arranged with in described inlet wire passage and outlet passage, this coupling assembling includes cutting ferrule, cap jump ring and sealing ring, the outer wall of described cutting ferrule fits on the inwall of main body, the outer wall of described cap jump ring fits on the inwall of cutting ferrule, this cap jump ring hollow is arranged, this hollow space forms connecting tube, and sealing ring is arranged in cutting ferrule, one end of described sealing ring is provided with the second projection, the cross section of this second projection is triangle, described cutting ferrule is provided with annular protrusion on the end face of cap jump ring, described cap jump ring comprises the head connected successively, convergence part, connecting portion and base portion, described connecting portion is provided with the first groove on the end face of cutting ferrule, this annular protrusion is positioned at the first groove, described annular protrusion comprises the first inclined-plane, plane and the second inclined-plane, formed by this first inclined-plane and the second inclined-plane, angle is 120 degree, described base portion and the junction of connecting portion are provided with the first projection on the end face of connecting tube, the cross section of this first projection is triangle, the outer wall of described convergence part is provided with the second groove, annular retaining ring is provided with between this second groove and first groove.
By adopting technique scheme, water joint is provided with above binding post, effective to wire seal, electric wire and binding post is made to have the effect of water proof and dust proof, make to mould shell photovoltaic breaker safe performance higher, after electric wire inserts water joint, the surface of electric wire is blocked by the first projection and the second projection, achieve joint be connected with electric wire more firmly and seal, pass through double-decker, effective placement dust and water droplet enter to binding post place, ensure that the environment of clean environment and drying.
The utility model is set to further: the sidepiece of described slide plate is provided with groove, roll in this groove and be connected with ball, spring is provided with between ball and the bottom of groove, and the sidewall of chute is provided with a registration groove, one registration groove is positioned on the motion path of ball, and wherein spring is in compressive state.
By adopting technique scheme, by detent, coordinating between ball with spring three, effectively spacing effect is carried out to the position of slide plate and chute, and structure is simple, is convenient to realize.
The utility model is set to further: described sealing ring and the junction of base portion are provided with holds mouth tightly, and this outer wall holding mouth tightly is inclined-plane, and this inclined-plane contacts with base portion inwall, and this bore holding mouth tightly is reduced to base portion direction gradually by sealing ring.
By adopting technique scheme, the bore holding mouth tightly on sealing circle can reduce toward the motion of sealing ring direction gradually with base portion, when electric wire inserts in this interface channel, only need compress cap jump ring inward, just the bore holding mouth tightly can be made less gradually, until hold electric wire tightly, thus achieve three grades of sealings to tube connector, sealing effectiveness is better.
The utility model is set to further: also comprise main control circuit, power circuit, telecommunication circuit and control relay circuit; Described telecommunication circuit will send to main control circuit after being used for making solar module work, open circuit or short circuit remote control signal analog-to-digital conversion; Described main control circuit, according to the control signal received, controls solar module by control relay circuit and carries out work, open circuit or short circuit; Described power circuit powers to respectively main control circuit, telecommunication circuit and control relay circuit.
By adopting technique scheme, can centralized control photovoltaic module, when there is electric leakage in building breaking out of fire or photovoltaic module, in photovoltaic arrays, the photovoltaic module of each series connection can be cracked into rapidly the monomer photovoltaic module of low-voltage, and by the short circuit of monomer photovoltaic module, make square formation stop generating, reply normal after treating accident.Under normal circumstances, electric current process be the normal-closed end of relay, power consumption is little, little on the generating efficiency impact of photovoltaic system.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the utility model embodiment structure schematic side view;
Fig. 2 is the utility model embodiment middle slide plate and housing fit structure cutaway view;
Fig. 3 is water joint partial sectional view in the utility model embodiment;
Fig. 4 is cap clip spring structure cross-sectional schematic in the utility model embodiment;
Fig. 5 is schematic block circuit diagram in the utility model embodiment;
Fig. 6 is governor circuit figure in the utility model embodiment;
Fig. 7 is power circuit diagram in the utility model embodiment;
Fig. 8 is telecommunication circuit figure in the utility model embodiment;
Fig. 9 is the utility model embodiment repeat circuit control circuit figure.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Fig. 1-Fig. 4, the utility model discloses one and mould shell photovoltaic circuit breaker, comprise housing 5, the both sides of housing 5 are provided with wiring hole, binding post is provided with in this wiring hole, in the utility model specific embodiment, the sidepiece of this housing 5 is provided with chute, slide plate 6 is slidably connected in this chute, this slide plate 6 is provided with water joint 8, the passage of this water joint 8 communicates with wiring hole, and water joint 8 is positioned at outside binding post, this water joint 8 comprises main body 1, main body 1 comprises inlet wire passage and outlet passage, interface channel is provided with between this inlet wire passage and outlet passage, coupling assembling is respectively arranged with in described inlet wire passage and outlet passage, this coupling assembling includes cutting ferrule 2, cap jump ring 4 and sealing ring 3, the outer wall of described cutting ferrule 2 fits on the inwall of main body 1, the outer wall of described cap jump ring 4 fits on the inwall of cutting ferrule 2, this cap jump ring 4 hollow is arranged, this hollow space forms connecting tube 46, and sealing ring 3 is arranged in cutting ferrule 2, one end of described sealing ring 3 is provided with the second projection 31, the cross section of this second projection 31 is triangle, described cutting ferrule 2 is provided with annular protrusion 21 on the end face of cap jump ring 4, described cap jump ring 4 comprises the head 41 connected successively, convergence part 42, connecting portion 43 and base portion 44, described connecting portion 43 is provided with the first groove 431 on the end face of cutting ferrule 2, this annular protrusion 21 is positioned at the first groove 431, described annular protrusion 21 comprises the first inclined-plane 211, plane 212 and the second inclined-plane 213, formed by this first inclined-plane 211 and the second inclined-plane 213, angle β is 120 degree, described base portion 44 is provided with the first projection 45 with the junction of connecting portion 43 on the end face of connecting tube, the cross section of this first projection 45 is triangle, the outer wall of described convergence part 42 is provided with the second groove 421, annular retaining ring 47 is provided with between this second groove 421 and first groove 431, the ratio of the width L1 of this annular retaining ring 47 and the width L2 of the second groove 421 is 1.2-1.6, the wall thickness H 2 of described convergence part 42 is 1.2-1.6 with the ratio of the wall thickness H 1 of connecting portion 43.
By adopting technique scheme, water joint is provided with above binding post, effective to wire seal, electric wire and binding post is made to have the effect of water proof and dust proof, make to mould shell photovoltaic breaker safe performance higher, after electric wire inserts water joint, the surface of electric wire is blocked by the first projection and the second projection, achieve joint be connected with electric wire more firmly and seal, pass through double-decker, effective placement dust and water droplet enter to binding post place, ensure that the environment of clean environment and drying.
In the utility model specific embodiment, the sidepiece of described slide plate 6 is provided with groove 61, roll in this groove 61 and be connected with ball 7, spring 8 is provided with between the bottom of ball 7 and groove 61, and (in Fig. 2, ball overlaps with detent the sidewall of chute to be provided with a registration groove, therefore do not mark), a registration groove is positioned on the motion path of ball 7, and wherein spring 8 is in compressive state.
By adopting technique scheme, by detent, coordinating between ball with spring three, effectively spacing effect is carried out to the position of slide plate and chute, and structure is simple, is convenient to realize.
In the utility model specific embodiment, described sealing ring 3 is provided with the junction of base portion 44 and holds mouth 32 tightly, this outer wall holding mouth 32 tightly is inclined-plane, and this inclined-plane contacts with base portion 44 inwall, and this bore holding mouth 32 tightly is reduced gradually by sealing ring 3 to base portion 44 direction.
By adopting technique scheme, the bore holding mouth tightly on sealing circle can reduce toward the motion of sealing ring direction gradually with base portion, when electric wire inserts in this interface channel, only need compress cap jump ring inward, just the bore holding mouth tightly can be made less gradually, until hold electric wire tightly, thus achieve three grades of sealings to tube connector, sealing effectiveness is better.
As shown in Figure 5, in the utility model specific embodiment, also comprise main control circuit, power circuit, telecommunication circuit and control relay circuit; Described telecommunication circuit will send to main control circuit after being used for making solar module work, open circuit or short circuit remote control signal analog-to-digital conversion; Described main control circuit, according to the control signal received, controls solar module by control relay circuit and carries out work, open circuit or short circuit; Described power circuit powers to respectively main control circuit, telecommunication circuit and control relay circuit.
As shown in Figure 6, master controller uses the STM8S207S6T6C processor of ST, data processing rate 20MIPS; Capacity 32KFlash and 2KRAM; Number of vias 34I/O.Use SW1 and SW2 two toggle switchs to arrange address for photovoltaic fireproof breaker, plug-in unit J1 is used for software debugging.The UART1 interface of chip STM8S207S6T6C and UART3 interface respectively connect with 1 tunnel 485 circuit, be respectively used to and PC control end and control desk end communication, PB0 ~ PB5 interface of chip STM8S207S6T6C is used for control relay work, and PB6, PB7 can expand as required.
As shown in Figure 7, receiving J2 interface by 24V storage battery is system power supply, power supply inputs DC/DC chip LM2596 after electrochemical capacitor C5 filtering, the voltage exporting 5V after voltage regulation filtering is powered to main core STM8S207S6T6C, the voltage of 485 circuit supplies by after isolated from power chip B0505S-1W voltage stabilizing, with isolated communication circuit, the less interference that it is subject to.
As shown in Figure 8, telecommunication circuit uses Modbus-RTU communications protocol, and its physical interface selects the most frequently used RS485 two-wire system interface.Photovoltaic fireproof breaker has two-way 485 passage, supply PC control end and console communication respectively.485 circuit adopt high speed photo coupling 6N137, and ensure that circuit can carry out high-speed communication, control chip uses conventional MAX487 chip.
As shown in Figure 9, control relay circuit: the break-make between centralized control photovoltaic series component, and output of confluxing.Be reserved with 6 Control ports, and can expand as required, relay normal-closed end is connected between photovoltaic module, and Chang Kaiduan is connected in parallel on photovoltaic module two ends, can realize the cracking of photovoltaic array and the short circuit of photovoltaic module during relay work simultaneously.When Control end exports high level, NPN pipe S9013 ON operation, relay input is applied in the forward voltage of 24V, relay work; When Control end output low level, NPN pipe S9013 ends, and relay input does not have voltage, relay recovery previous status.
By adopting technique scheme, can centralized control photovoltaic module, when there is electric leakage in building breaking out of fire or photovoltaic module, in photovoltaic arrays, the photovoltaic module of each series connection can be cracked into rapidly the monomer photovoltaic module of low-voltage, and by the short circuit of monomer photovoltaic module, make square formation stop generating, reply normal after treating accident.Under normal circumstances, electric current process be the normal-closed end of relay, power consumption is little, little on the generating efficiency impact of photovoltaic system.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (4)
1. mould shell photovoltaic circuit breaker for one kind, comprise housing, the both sides of housing are provided with wiring hole, binding post is provided with in this wiring hole, it is characterized in that: the sidepiece of this housing is provided with chute, slide plate is slidably connected in this chute, this slide plate is provided with water joint, the passage of this water joint communicates with wiring hole, and water joint is positioned at outside binding post, this water joint comprises main body, main body comprises inlet wire passage and outlet passage, interface channel is provided with between this inlet wire passage and outlet passage, coupling assembling is respectively arranged with in described inlet wire passage and outlet passage, this coupling assembling includes cutting ferrule, cap jump ring and sealing ring, the outer wall of described cutting ferrule fits on the inwall of main body, the outer wall of described cap jump ring fits on the inwall of cutting ferrule, this cap jump ring hollow is arranged, this hollow space forms connecting tube, and sealing ring is arranged in cutting ferrule, one end of described sealing ring is provided with the second projection, the cross section of this second projection is triangle, described cutting ferrule is provided with annular protrusion on the end face of cap jump ring, described cap jump ring comprises the head connected successively, convergence part, connecting portion and base portion, described connecting portion is provided with the first groove on the end face of cutting ferrule, this annular protrusion is positioned at the first groove, described annular protrusion comprises the first inclined-plane, plane and the second inclined-plane, formed by this first inclined-plane and the second inclined-plane, angle is 120 degree, described base portion and the junction of connecting portion are provided with the first projection on the end face of connecting tube, the cross section of this first projection is triangle, the outer wall of described convergence part is provided with the second groove, annular retaining ring is provided with between this second groove and first groove.
2. according to claim 1ly mould shell photovoltaic circuit breaker, it is characterized in that: the sidepiece of described slide plate is provided with groove, roll in this groove and be connected with ball, spring is provided with between ball and the bottom of groove, and the sidewall of chute being provided with a registration groove, a registration groove is positioned on the motion path of ball.
3. according to claim 1 and 2ly mould shell photovoltaic circuit breaker, it is characterized in that: described sealing ring and the junction of base portion are provided with holds mouth tightly, this outer wall holding mouth tightly is inclined-plane, and this inclined-plane contacts with base portion inwall, and this bore holding mouth tightly is reduced to base portion direction gradually by sealing ring.
4. according to claim 1 and 2ly mould shell photovoltaic circuit breaker, it is characterized in that: also comprise main control circuit, power circuit, telecommunication circuit and control relay circuit; Described telecommunication circuit will send to main control circuit after being used for making solar module work, open circuit or short circuit remote control signal analog-to-digital conversion; Described main control circuit, according to the control signal received, controls solar module by control relay circuit and carries out work, open circuit or short circuit; Described power circuit powers to respectively main control circuit, telecommunication circuit and control relay circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520729691.9U CN204991614U (en) | 2015-09-21 | 2015-09-21 | Mould shell photovoltaic circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520729691.9U CN204991614U (en) | 2015-09-21 | 2015-09-21 | Mould shell photovoltaic circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204991614U true CN204991614U (en) | 2016-01-20 |
Family
ID=55125955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520729691.9U Expired - Fee Related CN204991614U (en) | 2015-09-21 | 2015-09-21 | Mould shell photovoltaic circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204991614U (en) |
-
2015
- 2015-09-21 CN CN201520729691.9U patent/CN204991614U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210897471U (en) | Battery module casing and battery module | |
| CN204991614U (en) | Mould shell photovoltaic circuit breaker | |
| CN203984336U (en) | A kind of photovoltaic module | |
| CN209321205U (en) | Underwater fish subdivision connects thimble waterproof port structure | |
| CN201937987U (en) | Outdoor communication cabinet | |
| CN211296102U (en) | Connecting mechanism of bus duct | |
| CN205092878U (en) | Available router cuts off power supply | |
| CN208522050U (en) | Buried deep cycle battery group | |
| CN209642380U (en) | A kind of auxiliary power unit | |
| CN207264366U (en) | A kind of data storage device | |
| CN209282221U (en) | Intelligent imbrication component | |
| CN205263154U (en) | Bistable state electric energy meter signal connector | |
| CN204103197U (en) | A kind of network power supply wire jumper | |
| CN208401130U (en) | A kind of multi-function metal fixed frame connector | |
| CN209218134U (en) | A kind of automatic meter reading system based on ICP/IP protocol | |
| CN215072465U (en) | Anti-power-off router for 5G network | |
| CN210351162U (en) | Multiport wired signal centralized management equipment | |
| CN214959965U (en) | Optical fiber switch with high processing rate | |
| CN212908285U (en) | Five-core waterproof head | |
| CN202524690U (en) | Cover plate for motor controllers | |
| CN216648727U (en) | Data acquisition device with edge computing capability | |
| CN204517299U (en) | A kind of automobile slip ring | |
| CN214481706U (en) | Distributed photovoltaic power generation big data management device | |
| CN216563725U (en) | Patch cord with waterproof function | |
| CN212676787U (en) | Power distribution line switching device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20170921 |