CN219832451U - Time-delay opening and closing device - Google Patents

Abstract

The utility model relates to a time-delay opening and closing device, which relates to the technical field of switching devices and comprises an opening and closing device body and a fixing plate, wherein the fixing plate is arranged on one side of the opening and closing device body, which is close to an installation part, an inserting block is arranged on one side of the fixing plate, which is close to the installation part, a sliding rail is arranged on one side of the installation part, which is close to a sliding block, a slot for inserting the inserting block is formed in the sliding rail, the inserting direction of the inserting block is parallel to the length direction of the sliding rail, and a fixing device for fixing the inserting block is arranged on the sliding rail. The utility model has the effect of improving the convenience of the time delay opening and closing device during installation.

Description

Time-delay opening and closing device

Technical Field

The utility model relates to the technical field of switching devices, in particular to a time-delay opening and closing device.

Background

The opening and closing device is often installed in production lines, production workshops and other spaces where opening and closing are required to be controlled, and the opening and closing device is used for controlling opening and closing of a power supply loop.

In the related art, a time delay opening and closing device is generally installed on a solar controller to control the opening or closing of a circuit from a solar photovoltaic panel to a battery. The delay opening and closing device is provided with a penetrating hole for the screw to penetrate through, the mounting part on the machine body is provided with a screw hole matched with the screw thread, the screw penetrates through the penetrating hole to be inserted into the screw hole, and the screw is connected with the screw hole through the screw thread by using a screw driver, so that the screw fixes the delay opening and closing device on the mounting part on the machine body.

With respect to the related art in the above, the inventors consider that: the screw is used for fixing the delay opening and closing device, the penetrating hole is required to be aligned with the screw hole, the screw is penetrated into the screw hole, and the screw is connected in the screw hole by screw threads, so that the delay opening and closing device is pressed on the machine body by the screw, the mounting step is complicated, the delay opening and closing device is inconvenient to mount, and the improvement is provided.

Disclosure of Invention

In order to improve convenience in mounting of the delay starting and stopping device, the utility model provides the delay starting and stopping device.

The utility model provides a time-delay opening and closing device, which adopts the following technical scheme:

the utility model provides a time delay headstock gear, includes headstock gear body and fixed plate, the fixed plate sets up in the one side that the headstock gear body is close to the installation department, one side that is close to the installation department on the fixed plate is provided with the inserted block, one side that is close to the slider on the installation department is provided with the slide rail, offer on the slide rail and supply inserted block male slot, the direction of inserting of inserted block is parallel with the length direction of slide rail each other, be provided with the fixing device who is used for fixed inserted block on the slide rail.

Through adopting above-mentioned technical scheme, make the inserted block insert in the slot to make inserted block and sliding rail connection, make headstock gear body and installation department be connected, make fixing device fixed inserted block, thereby spacing in the slot with the inserted block, thereby fix headstock gear body on the installation department, and then improve the convenience of installation between headstock gear body and the installation department.

Optionally, fixing device includes limiting plate and locking subassembly, the limiting plate articulates in the slide rail and is close to slot open-ended one end, offer the spacing groove that supplies the limiting plate upset to get into on the slide rail, the spacing groove communicates with the slot each other, the limiting plate compresses tightly on the inserted block in the spacing inslot, locking subassembly sets up the one end that is close to the limiting plate on the slide rail, locking subassembly locking limiting plate and slide rail.

Through adopting above-mentioned technical scheme, after the inserted block inserts in the slot, upset limiting plate makes the limiting plate get into spacing inslot to make the limiting plate compress tightly on the inserted block, thereby spacing the inserted block in the slot along the direction of insertion of inserted block, make locking component lock limiting plate and slide rail, and then improve the stability of being connected between inserted block and the slide rail.

Optionally, the fixing device further includes a first attracting magnet and a second attracting magnet, the first attracting magnet is disposed on one side of the limiting plate, which is close to the sliding rail, the second attracting magnet is disposed on one side of the sliding rail, which is close to the first attracting magnet, and the first attracting magnet and the second attracting magnet attract each other.

Through adopting above-mentioned technical scheme, the limiting plate upset gets into the spacing inslot to make first actuation magnet and second actuation magnet mutually actuation, thereby with the limiting plate actuation on the slide rail, and then improve the stability of being connected between limiting plate and the slide rail.

Optionally, the limiting plate is provided with a first attraction groove for installing the first attraction magnet, and the sliding rail is provided with a second attraction groove for installing the second attraction magnet.

Through adopting above-mentioned technical scheme, install first actuation magnet in first actuation inslot to confirm the mounted position of first actuation magnet, and then improve the stability of being connected between first actuation magnet and the limiting plate. And the second attracting magnet is arranged in the second attracting groove, so that the installation position of the second attracting magnet is determined, and the stability of connection between the second attracting magnet and the sliding rail is improved.

Optionally, the locking subassembly includes the locking post, the locking post sets up in the one side that the slide rail is close to the limiting plate, the locking post compresses tightly in the one side that the limiting plate kept away from the inserted block, set up the slide hole that supplies the locking post to slide on the slide rail, the slide hole communicates with each other with the spacing groove.

Through adopting above-mentioned technical scheme, the limiting plate upset gets into the spacing inslot, makes the locking post follow the downthehole sliding of sliding and is close to the limiting plate to make the locking post compress tightly one side of keeping away from the inserted block on the limiting plate, thereby make the locking post along the upset direction of limiting plate with the limiting plate spacing in the spacing inslot, and then improve the stability of being connected between limiting plate and the slide rail.

Optionally, the locking assembly still includes connecting plate and push pedal, the connecting plate sets up in the one side that the locking post kept away from the slide rail, set up the spread groove that supplies the connecting plate to wear to establish and slide on the slide rail, the spread groove communicates with the slide hole each other, the push pedal sets up in the one side that the locking post was kept away from to the connecting plate.

By adopting the technical scheme, the push plate is pushed, so that the push plate drives the connecting plate to slide in the connecting groove, the connecting plate drives the locking column to slide in the sliding hole to be close to or far away from the limiting plate, and the convenience of locking the locking column and unlocking the limiting plate is improved.

Optionally, the locking component further comprises a limiting ring, the limiting ring is arranged on one side, close to the locking column, of the sliding rail, an installation groove for installing the limiting ring is formed in the sliding rail, the installation groove is mutually communicated with the sliding hole, a through hole for the locking column to penetrate is formed in the limiting ring, and the limiting ring abuts against the connecting plate.

Through adopting above-mentioned technical scheme, when the locking post slides and is close to the limiting plate, make the locking post wear to establish the perforation to make spacing ring and connecting plate offset, thereby make the spacing ring limit the connecting plate in the spread groove along the slip direction of connecting plate, thereby limit the locking post in the slide hole, avoid the locking post to break away from the slide hole as far as possible, and then improve the stability of being connected between locking post and the slide rail. The limiting ring is arranged in the mounting groove, so that the mounting position of the limiting ring is determined, and the stability of connection between the limiting ring and the sliding rail is improved.

Optionally, the locking component further comprises a pressure spring, the pressure spring is arranged between the locking column and the sliding rail, the pressure spring is located in the sliding hole, one end of the pressure spring is pressed on the locking column, the other end of the pressure spring is pressed on the sliding rail, and the pressure spring drives the locking column to be close to the limiting plate.

Through adopting above-mentioned technical scheme, install the pressure spring between locking post and slide rail to make the pressure spring drive the locking post slide and be close to the limiting plate, thereby improve the convenience of locking post locking limiting plate, improve the stability when locking post compresses tightly the limiting plate.

Optionally, the opening and closing device body comprises a switch module, a delay module and a working module;

the switch module is used for controlling the start and stop of the delay module, the switch module is connected with the delay module, and the working module is connected with the delay module; the switch module outputs an opening voltage signal, the delay module receives the opening voltage signal to enable a power supply loop of the delay module to be closed, and outputs a delay opening signal, and the working module receives the delay opening signal and responds to the delay opening signal to control the power supply loop of the working module to be closed; the switch module outputs a closing voltage signal, the delay module receives the closing voltage signal to control the power supply loop of the delay module to be disconnected and outputs a delay disconnection signal, and the working module receives the delay disconnection signal to control the power supply loop of the working module to be disconnected.

By adopting the technical scheme, the delay module is controlled by the switch module to send out a delay start signal, so that the working module is delayed to start according to the delay start signal, the working module starts working in a corresponding delay start sequence, and the safety of the working module during working is improved. The delay module is controlled by the switch module to send out a delay disconnection signal, so that the working module is delayed to be closed according to the delay disconnection signal, the working module is closed in a corresponding delay closing sequence, and the safety of the working module when the working module stops working is improved.

Optionally, the switch module comprises a start unit and a stop unit, the delay module comprises a first delay unit and a second delay unit, and the work module comprises a first response unit and a second response unit;

the starting unit is connected with the first delay unit, the starting unit outputs an opening voltage signal, and the first delay unit receives the opening voltage signal and outputs an instant closing signal and a delayed closing signal; the first response unit is connected with the first delay unit and responds to the instant closing signal to control the power supply loop of the first response unit to be closed; the second response unit is connected with the first delay unit and responds to the delay closing signal to control the closing of a power supply loop of the second response unit;

the stopping unit is connected with the second delay unit, and outputs a closing voltage signal, and the second delay unit receives the closing voltage signal and outputs an instant disconnection signal and a delay disconnection signal; the first delay unit is connected with the second delay unit, the first delay unit responds to a delay disconnection signal sent by the second delay unit to control the disconnection of a power supply loop of the first delay unit, the first delay unit sends out an instant disconnection signal, and the first response unit responds to the instant disconnection signal sent by the first delay unit to control the disconnection of the power supply loop of the first response unit; the second response unit is connected with the second delay unit, and the second response unit responds to the instant disconnection signal sent by the second delay unit to control the disconnection of the power supply loop of the second response unit.

By adopting the technical scheme, when the starting unit is started, the first delay unit sends out an instant closing signal and a delay closing signal, so that the first response unit responds to the instant closing signal to be started instantly, and the second response unit responds to the delay closing signal to be started in a delay way, thereby controlling the working sequence of the first response unit and the second response unit and improving the safety of the first response unit and the second response unit during working. When the stopping unit is started, the second delay unit outputs an instant disconnection signal and a delay disconnection signal, so that the second response unit responds to the instant disconnection signal sent by the second delay unit to control the power supply loop of the second response unit to be disconnected, the first delay unit responds to the delay disconnection signal sent by the second delay unit to output the instant disconnection signal, and the first response unit responds to the instant disconnection signal sent by the first delay unit to control the power supply loop of the first response unit to be disconnected, thereby controlling the sequence when the first response unit and the second response unit stop working, and further improving the safety when the first response unit and the second response unit stop working.

In summary, the present utility model includes at least one of the following beneficial technical effects:

1. the plug is inserted into the slot, so that the plug is connected with the slide rail, the opening and closing device body is connected with the installation part, the fixing device is used for fixing the plug, the plug is limited in the slot, the opening and closing device body is fixed on the installation part, and therefore the installation convenience between the opening and closing device body and the installation part is improved;

2. after the inserting block is inserted into the slot, the limiting plate is turned over, so that the limiting plate enters the limiting groove, the limiting plate is pressed on the inserting block, the inserting block is limited in the slot along the inserting direction of the inserting block, the locking assembly locks the limiting plate and the sliding rail, and the stability of connection between the inserting block and the sliding rail is improved;

3. the delay module is controlled by the switch module to send out a delay start signal, so that the work module is delayed to start according to the delay start signal, the work module starts working in a corresponding delay start sequence, the safety of the work module during working is improved, the delay module is controlled by the switch module to send out a delay disconnection signal, the work module is delayed to be closed according to the delay disconnection signal, the work module is closed in a corresponding delay closing sequence, and the safety of the work module during stopping working is improved.

Drawings

Fig. 1 is a schematic structural diagram of a delay start-stop device in an embodiment of the present utility model.

Fig. 2 is an exploded view of a limiting plate, an insert block and a slide rail according to an embodiment of the present utility model.

Fig. 3 is an exploded view of a limiting plate, a first attracting magnet, a second attracting magnet, a slide rail, a compression spring, a locking post, and a limiting ring according to an embodiment of the present utility model.

Fig. 4 is an exploded view of the limiting plate, the first attracting magnet, the second attracting magnet and the slide rail according to the embodiment of the present utility model.

Fig. 5 is a schematic circuit diagram of the opening and closing device body according to an embodiment of the present utility model.

Reference numerals illustrate: 1. an opening and closing device body; 11. a switch module; 1101. a starting unit; 1102. a stopping unit; 12. a delay module; 1201. a first delay unit; 1202. a second delay unit; 13. a working module; 1301. a first response unit; 1302. a second response unit; 2. a fixing plate; 3. a mounting part; 4. inserting blocks; 5. a slide rail; 51. a slot; 52. a limit groove; 53. a second suction groove; 54. a slide hole; 55. a connecting groove; 56. a mounting groove; 6. a fixing device; 61. a limiting plate; 6101. a first suction groove; 62. a locking assembly; 6201. locking the column; 6202. a connecting plate; 6203. a push plate; 6204. a limiting ring; 62041. perforating; 6205. a pressure spring; 63. a first attracting magnet; 64. and a second attracting magnet.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-5.

Referring to fig. 1 and 2, an embodiment of the utility model discloses a time delay opening and closing device, which comprises an opening and closing device body 1, a fixed plate 2, an inserting block 4, a sliding rail 5 and a fixed device 6. The opening and closing device body 1 is respectively and electrically connected with the solar photovoltaic panel and the battery, so that the opening and closing device body 1 controls the closing and opening of a power supply loop between the solar photovoltaic panel and the battery. The fixed plate 2 is installed on one side of the opening and closing device body 1 near the installation part 3. The insert 4 is integrally provided on one side of the fixing plate 2 near the mounting portion 3. The sliding rail 5 is welded to one side of the mounting portion 3, which is close to the insert block 4, and a slot 51 into which the insert block 4 is inserted is formed in the sliding rail 5. The fixing device 6 is installed at one end of the sliding rail 5 near the insert block 4, and the fixing device 6 is used for limiting the insert block 4 in the slot 51. The plug 4 is inserted into the slot 51, the fixing device 6 limits the plug 4 in the slot 51, the plug 4 is connected with the slide rail 5, the fixing plate 2 is connected with the mounting part 3, and the opening and closing device body 1 is connected with the solar photovoltaic panel and the battery.

Referring to fig. 2 and 3, the fixing device 6 includes a limiting plate 61, a locking assembly 62, a first attracting magnet 63, and a second attracting magnet 64. The limiting plate 61 is hinged to one end of the sliding rail 5 near the opening of the slot 51. The slide rail 5 is provided with a limit groove 52 for the limit plate 61 to turn into. The limiting plate 61 is turned into the limiting groove 52, so that the limiting plate 61 is pressed on the insert block 4, and the limiting plate 61 limits the insert block 4 in the slot 51 along the insertion direction of the insert block 4.

Referring to fig. 3 and 4, the first engaging magnet 63 is embedded in a side of the limiting plate 61 near the sliding rail 5, and a first engaging groove 6101 for installing the first engaging magnet 63 is formed on the limiting plate 61. The second attracting magnet 64 is embedded in one side of the sliding rail 5 near the first attracting magnet 63, and the sliding rail 5 is provided with a second attracting groove 53 for installing the second attracting magnet 64. The first attracting magnet 63 and the limiting plate 61 are reinforced by epoxy glue when necessary, and the second attracting magnet 64 and the slide rail 5 are reinforced. The second attracting magnet 64 and the first attracting magnet 63 are opposite in polarity on the side close to each other, so that the first attracting magnet 63 and the second attracting magnet 64 attract each other. The limiting plate 61 is turned over into the limiting groove 52, so that the first attracting magnet 63 and the second attracting magnet 64 attract the limiting plate 61 on the sliding rail 5, and the limiting plate 61 is limited in the limiting groove 52 along the turning direction of the limiting plate 61.

Referring to fig. 3 and 4, the locking assembly 62 includes a locking post 6201, a connecting plate 6202, a push plate 6203, a stop collar 6204, and a compression spring 6205. The locking post 6201 is mounted to the side of the slide rail 5 adjacent to the stop plate 61. The sliding rail 5 is provided with a sliding hole 54 for the locking post 6201 to pass through and slide, and the sliding hole 54 is communicated with the limit groove 52. After the limiting plate 61 is turned into the limiting groove 52, the locking post 6201 slides in the sliding hole 54 to be close to the limiting plate 61, so that a part of the locking post 6201 is left in the sliding hole 54, and the other part of the locking post 6201 is pressed on the limiting plate 61, so that the locking post 6201 limits the limiting plate 61 in the limiting groove 52 along the turning direction of the limiting plate 61.

Referring to fig. 3 and 4, the connecting plate 6202 is integrally disposed on a side of the locking post 6201 remote from the sliding rail 5. The slide rail 5 is provided with a connecting groove 55 for the connecting plate 6202 to pass through and slide, and the connecting groove 55 is mutually communicated with the slide hole 54. The push plate 6203 is integrally provided on the side of the connecting plate 6202 remote from the locking post 6201. Pushing the push plate 6203, the push plate 6203 drives the connecting plate 6202 to slide in the connecting groove 55, so that the connecting plate 6202 drives the locking post 6201 to approach or separate from the limiting plate 61, and the locking post 6201 is convenient to lock or unlock the limiting plate 61.

Referring to fig. 3 and 4, the stop collar 6204 is mounted on a side of the sliding rail 5 near the locking post 6201, and the stop collar 6204 abuts against the connecting plate 6202. The slide rail 5 is provided with a mounting groove 56 for mounting the limiting ring 6204, and the mounting groove 56 is communicated with the slide hole 54. The stop collar 6204 is provided with a through hole 62041 through which the locking post 6201 passes. The locking post 6201 slides in the sliding hole 54 in a direction approaching the limiting plate 61, so that the locking post 6201 penetrates through the through hole 62041, thereby pressing the connecting plate 6202 on the limiting ring 6204, limiting the connecting plate 6202 in the connecting groove 55 along the sliding direction of the connecting plate 6202, and limiting the locking post 6201 in the sliding hole 54 along the sliding direction of the locking post 6201 by the limiting ring 6204.

Referring to fig. 3 and 4, the compression spring 6205 is installed between the locking post 6201 and the sliding rail 5, and the compression spring 6205 is located in the sliding hole 54. One end of the pressure spring 6205 is pressed on the locking post 6201, and the other end of the pressure spring 6205 is pressed on the sliding rail 5, so that the pressure spring 6205 drives the locking post 6201 to slide in the sliding hole 54 to be close to the limiting plate 61, the locking post 6201 locks the limiting plate 61, the locking post 6201 is convenient to lock the limiting plate 61, and the locking post 6201 is more stable when locking the limiting plate 61.

Referring to fig. 5, the opening and closing device body 1 includes a switch module 11, a delay module 12, and a working module 13. The switch module 11 includes a start unit 1101 and a stop unit 1102. The delay module 12 includes a first delay unit 1201 and a second delay unit 1202. The working module 13 includes a first response unit 1301 and a second response unit 1302. The start-up unit 1101 includes a first push reset switch SB1. The first press reset switch SB1 is a type XB2 push button switch. The stop unit 1102 includes a second push reset switch SB2. The second press reset switch SB2 is an XB2 push button switch.

The first delay unit 1201 includes a first time relay coil KT1, a first time relay snap-open contact KT1-1, and a first time relay delay contact KT1-2. The first time relay coil KT1 is an H3Y-2 power-on delay closed relay, and the delay time of the relay can be two seconds. The first time relay instant opening contact KT1-1 and the first time relay extension contact KT1-2 are normally open. The second delay unit 1202 includes a second time relay coil KT2, a second time relay delay break contact KT2-1, and a second time relay snap break contact KT2-2. The second time relay KT2 is an NTE8-B type electrifying delay disconnection relay, and the delay time of the relay can be two seconds. The second time relay delay breaking contact KT2-1 and the second time relay instantaneous breaking contact KT2-2 are normally closed.

The first response unit 1301 includes battery b+, a first ac contactor coil KM1, and a first ac contactor contact KM1-1. The first ac contactor KM1 is an LC1D65M7C ac contactor, and the ac contactor is closed by energization. The second response unit 1302 includes solar photovoltaic pv+, a second ac contactor coil KM2, and a second ac contactor contact KM2-2. The second ac contactor KM2 is an LC1D65M7C ac contactor, and the ac contactor is energized and closed.

One end of a first push reset switch SB1 is connected with a live wire L, the other end of the first push reset switch SB1 is connected with one end of a first time relay coil KT1 and one end of a first time relay extension contact KT1-2 respectively, the other end of the first time relay coil KT1 is connected with one end of a second time relay extension contact KT2-1, and the other end of the second time relay extension contact KT2-1 is connected with a zero line N. The first time relay instant-opening contact KT1-1 is connected in parallel to both ends of the first push reset switch SB1. The first pressing reset switch SB1 is pressed for two seconds, so that a live wire, the first pressing reset switch SB1, the first time relay coil KT1, the second time relay delay contact KT2-1 and a zero line N form a closed loop, the first time relay coil KT1 is electrified to send out an instant closing signal, the first time relay instant opening contact KT1-1 is instantly closed after receiving the instant closing signal, the live wire, the first time relay instant opening contact KT1-1, the first time relay coil KT1, the second time relay delay contact KT2-1 and the zero line N form a closed loop, and the first pressing reset switch SB1 is reset.

The first alternating-current contactor coil KM1 is connected in parallel with two ends of a series circuit of the first time relay coil KT1 and the second time relay delay contact KT 2-1. The first ac contactor contact KM1-1 is connected in the supply circuit of battery b+. The first time relay instantaneous opening contact KT1-1 is closed, so that a closed loop is formed by a live wire, the first time relay instantaneous opening contact KT1-1, the first alternating current contactor coil KM1 and a zero line N, and accordingly the first alternating current contactor coil KM1 is electrified to send a closing signal, the first alternating current contactor contact KM1-1 receives the closing signal to be closed, and a power supply loop of a storage battery B+ is closed.

One end of a first time relay delay contact KT1-2 is connected with a first pressing reset switch SB1, the other end of the first time relay delay contact KT1-2 is connected with one end of a second alternating current contactor coil KM2, the other end of the second alternating current contactor coil KM2 is connected with one end of a second time relay instantaneous break contact KT2-2, the other end of the second time relay instantaneous break contact KT2-2 is connected with a zero line N and one end of a second time relay delay contact KT2-1, and the second alternating current contactor contact KM2-2 is connected in a power supply loop of solar photovoltaic PV+. Two seconds after the first time relay instant-opening contact KT1-1 is closed, the first time relay extends the opening contact KT1-2 to be closed, so that a live wire L, the first time relay instant-opening contact KT1-1, the first time relay extends the opening contact KT1-2, a second alternating current contactor coil KM2, a second time relay instant-opening contact KT2-2 and a zero line N form a closed loop, so that the second alternating current contactor coil KM2 is electrified to send a closing signal, so that the second alternating current contactor contact KM2-2 receives the closing signal to be closed, so that a power supply loop of a solar photovoltaic PV+ is closed, and so that a power supply loop of the solar photovoltaic PV+ is closed after the power supply loop of a storage battery B+ is closed for two seconds.

The second pressing reset switch SB2 is connected in series with the second time relay coil KT2 and then connected in parallel with the two ends of the first time relay coil KT1 and the second time relay delay contact KT 2-1. The second pressing reset switch SB2 presses for five seconds, so that the live wire L, the first time relay instant opening contact KT1-1, the second pressing reset switch SB2, the second time relay coil KT2 and the zero line N form a closed loop, and the second time relay coil KT2 is electrified to send an instant opening signal and a delayed opening signal, and the second pressing reset switch SB2 is reset. The second time relay instantaneous breaking contact KT2-2 receives the instantaneous breaking signal to break, so that a closed loop of the live wire L, the first time relay instantaneous breaking contact KT1-1, the first time relay extension breaking contact KT1-2, the second alternating current contactor coil KM2, the second time relay instantaneous breaking contact KT2-2 and the zero line N is broken, so that the second alternating current contactor coil KM2 is powered off to send a breaking signal, the second alternating current contactor contact KM2-2 receives the breaking signal, and a power supply loop of the solar photovoltaic PV+ is broken.

After the second time relay instantaneous-off contact KT2-2 is opened for two seconds, the second time relay delay-off contact KT2-1 receives a delay-off signal to be opened, so that a live wire L, a first time relay instantaneous-off contact KT1-1, a first time relay coil KT1, a second time relay delay-off contact KT2-1 and a closed loop of a zero line N are opened, the first time relay coil KT1 is opened to send an opening signal, the first time relay instantaneous-off contact KT1-1 receives the opening signal to be opened, the closed loop of the live wire L, the first time relay instantaneous-off contact KT1-1, the first alternating current contactor coil KM1 and the zero line N is opened, the first alternating current contactor coil KM1-1 is powered off to send an opening signal, and the first alternating current contactor contact KM1-1 receives the opening signal to be opened, and a power supply loop of a storage battery B+ is opened after the power supply loop of a solar photovoltaic PV+ is opened for two seconds.

The implementation principle of the delay starting and stopping device of the embodiment of the utility model is as follows:

1. the insert 4 is inserted into the slot 51, so that the insert 4 is connected with the slide rail 5, the limiting plate 61 is turned over, the limiting plate 61 enters the limiting groove 52, so that the limiting plate 61 is pressed on the insert 4, the limiting plate 61 limits the insert 4 in the slot 51, the first attracting magnet 63 and the second attracting magnet 64 attract each other, the limiting plate 61 is attracted on the slide rail 5, the push plate 6203 is pushed in the direction close to the limiting plate 61, the connecting plate 6202 slides in the connecting groove 55, the connecting plate 6202 drives the locking post 6201 to slide in the slide hole 54, the locking post 6201 is pressed on the limiting plate 61, the pressure spring 6205 drives the locking post 6201 to be pressed on the limiting plate 61, and accordingly the locking effect of the locking post 6201 on the limiting plate 61 is maintained, and the opening and closing device body 1 is mounted on the mounting part 3.

2. The starting unit 1101 outputs an opening voltage signal, so that the first delay unit 1201 receives the opening voltage signal and outputs an instantaneous closing signal and a delayed closing signal, and the first response unit 1301 receives the instantaneous closing signal to control the power supply loop of the first response unit 1301 to be closed, thereby operating the first response unit 1301; the second response unit 1302 receives the delayed closing signal, so that the second response unit 1302 receives the delayed closing signal to control the power supply loop of the second response unit 1302 to be closed, and the second response unit 1302 operates after the first response unit 1301 operates for two seconds;

the stopping unit 1102 outputs a closing voltage signal, so that the second delay unit 1202 receives the closing voltage signal and outputs an instantaneous disconnection signal and a delayed disconnection signal, and the second response unit 1302 receives the instantaneous disconnection signal to control the power supply loop of the second response unit 1302 to be disconnected, and the second response unit 1302 stops working; the first response unit 1301 is caused to receive a delay disconnection signal to control the power supply loop of the first response unit 1301 to be disconnected, thereby causing the first response unit 1301 to stop operating two seconds after the second response unit 1302 stops operating.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (10)

1. A time delay headstock gear, its characterized in that: including headstock gear body (1) and fixed plate (2), fixed plate (2) set up in headstock gear body (1) one side near installation department (3), one side near installation department (3) on fixed plate (2) is provided with insert (4), one side near the slider on installation department (3) is provided with slide rail (5), offer on slide rail (5) and supply insert (4) male slot (51), insert direction and the length direction of slide rail (5) of insert (4) are parallel to each other, be provided with on slide rail (5) fixing device (6) that are used for fixed insert (4).

2. A time delay start and stop device as claimed in claim 1, wherein: fixing device (6) are including limiting plate (61) and locking subassembly (62), limiting plate (61) articulates in slide rail (5) and is close to slot (51) open-ended one end, offer spacing groove (52) that supply limiting plate (61) upset to get into on slide rail (5), spacing groove (52) communicate with slot (51) each other, limiting plate (61) compress tightly on insert block (4) in spacing groove (52), locking subassembly (62) set up on slide rail (5) be close to the one end of limiting plate (61), locking subassembly (62) lock limiting plate (61) and slide rail (5).

3. A time delay start and stop device as claimed in claim 2, wherein: the fixing device (6) further comprises a first attracting magnet (63) and a second attracting magnet (64), the first attracting magnet (63) is arranged on one side, close to the sliding rail (5), of the limiting plate (61), the second attracting magnet (64) is arranged on one side, close to the first attracting magnet (63), of the sliding rail (5), and the first attracting magnet (63) and the second attracting magnet (64) attract each other.

4. A time delay start and stop device as claimed in claim 3, wherein: the limiting plate (61) is provided with a first attracting groove (6101) for installing the first attracting magnet (63), and the slide rail (5) is provided with a second attracting groove (53) for installing the second attracting magnet (64).

5. A time delay start and stop device as claimed in claim 2, wherein: the locking assembly (62) comprises a locking column (6201), the locking column (6201) is arranged on one side, close to the limiting plate (61), of the sliding rail (5), the locking column (6201) is pressed on one side, far away from the inserting block (4), of the limiting plate (61), a sliding hole (54) for sliding of the locking column (6201) is formed in the sliding rail (5), and the sliding hole (54) is mutually communicated with the limiting groove (52).

6. The time delay starting and stopping device of claim 5, wherein: the locking assembly (62) further comprises a connecting plate (6202) and a pushing plate (6203), the connecting plate (6202) is arranged on one side, far away from the sliding rail (5), of the locking column (6201), a connecting groove (55) for the connecting plate (6202) to penetrate through and slide is formed in the sliding rail (5), the connecting groove (55) is communicated with the sliding hole (54), and the pushing plate (6203) is arranged on one side, far away from the locking column (6201), of the connecting plate (6202).

7. The time delay starting and stopping device of claim 6, wherein: the locking assembly (62) further comprises a limiting ring (6204), the limiting ring (6204) is arranged on one side, close to the locking column (6201), of the sliding rail (5), an installation groove (56) for installing the limiting ring (6204) is formed in the sliding rail (5), the installation groove (56) is mutually communicated with the sliding hole (54), a through hole (62041) for the locking column (6201) to penetrate is formed in the limiting ring (6204), and the limiting ring (6204) is propped against the connecting plate (6202).

8. The time delay starting and stopping device of claim 7, wherein: the locking assembly (62) further comprises a pressure spring (6205), the pressure spring (6205) is arranged between the locking post (6201) and the sliding rail (5), the pressure spring (6205) is located in the sliding hole (54), one end of the pressure spring (6205) is pressed on the locking post (6201), the other end of the pressure spring (6205) is pressed on the sliding rail (5), and the pressure spring (6205) drives the locking post (6201) to be close to the limiting plate (61).

9. A time delay start and stop device as claimed in claim 1, wherein: the opening and closing device body (1) comprises a switch module (11), a delay module (12) and a working module (13);

the switch module (11) is used for controlling the start and stop of the delay module (12), the switch module (11) is connected with the delay module (12), and the working module (13) is connected with the delay module (12); the switch module (11) outputs an opening voltage signal, the delay module (12) receives the opening voltage signal to enable a power supply loop of the delay module (12) to be closed, and outputs a delay opening signal, and the working module (13) receives the delay opening signal and responds to the delay opening signal to control the power supply loop of the working module (13) to be closed; the switch module (11) outputs a closing voltage signal, the delay module (12) receives the closing voltage signal to control the power supply loop of the delay module (12) to be disconnected and outputs a delay disconnection signal, and the working module (13) receives the delay disconnection signal to control the power supply loop of the working module (13) to be disconnected.

10. The time delay starting and stopping device of claim 9, wherein: the switch module (11) comprises a starting unit (1101) and a stopping unit (1102), the delay module (12) comprises a first delay unit (1201) and a second delay unit (1202), and the working module (13) comprises a first response unit (1301) and a second response unit (1302);

the starting unit (1101) is connected with the first delay unit (1201), the starting unit (1101) outputs an opening voltage signal, and the first delay unit (1201) receives the opening voltage signal and outputs an instant closing signal and a delayed closing signal; the first response unit (1301) is connected with the first delay unit (1201), and the first response unit (1301) responds to the instant closing signal to control the closing of the power supply loop of the first response unit (1301); the second response unit (1302) is connected with the first delay unit (1201), and the second response unit (1302) responds to the delay closing signal to control the closing of a power supply loop of the second response unit (1302);

the stopping unit (1102) is connected with a second delay unit (1202), the stopping unit (1102) outputs a closing voltage signal, and the second delay unit (1202) receives the closing voltage signal and outputs an instant disconnection signal and a delay disconnection signal; the first delay unit (1201) is connected with the second delay unit (1202), the first delay unit (1201) responds to a delay disconnection signal sent by the second delay unit (1202) to control the power supply loop of the first delay unit (1201) to be disconnected, the first delay unit (1201) sends out an instant disconnection signal, and the first response unit (1301) responds to the instant disconnection signal sent by the first delay unit (1201) to control the power supply loop of the first response unit (1301) to be disconnected; the second response unit (1302) is connected with the second delay unit (1202), and the second response unit (1302) responds to an instant disconnection signal sent by the second delay unit (1202) to control the disconnection of a power supply loop of the second response unit (1302).