CN216980446U

CN216980446U - Three-phase timer

Info

Publication number: CN216980446U
Application number: CN202220661050.4U
Authority: CN
Inventors: 文毅
Original assignee: Ningbo Haibei Electrical Appliance Co ltd
Current assignee: Ningbo Haibei Electrical Appliance Co ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-07-15
Anticipated expiration: 2032-03-25

Abstract

The application provides a three-phase timer, which comprises an upper shell, a lower shell and an inner core arranged between the upper shell and the lower shell, wherein the upper shell is provided with a manual switch, the inner core comprises a module board, a control board and a relay from top to bottom, the module board is connected with the control board through a wiring board, the control board is connected with the relay through a lead, the module board comprises a communication data processing chip and an MCU chip, the communication data processing chip is used for remote communication and outputting a signal to the MCU chip, the control board comprises a driving chip and a metering circuit, the MCU chip is connected with the driving chip through the wiring board, the driving chip is connected with the relay through a lead, the driving chip is used for controlling the work or the non-work of the relay, the number of the relays is three, the three relays are arranged in parallel, the front and the rear of the relay are respectively provided with a row of wiring terminals, and the wiring terminals are connected with three-phase external equipment, the three relays are respectively connected with the three-phase wiring terminals and are used for controlling the on-off of the three-phase external equipment.

Description

Three-phase timer

Technical Field

The utility model relates to the field of timers, in particular to a three-phase timer.

Background

The timer has wide use scenes and is generally applied to daily life of people, and the function of the timer capable of being turned on/off at fixed time can meet different scenes. In the application of three-phase high-power electrical appliances, the most common is a mechanical switch, the operation of the mechanical switch is inconvenient and not intelligent, and the mechanical timer is large in volume and poor in universality. The traditional automatic timer is small in capacity, cannot be suitable for a three-phase power supply, does not have the limitations of operation display and various protective measures, and further does not have the requirements of temporary operation loads and a convenient scheme for providing temporary operation. Meanwhile, in the application of three-phase high-power electrical appliances, a common timer only has an on-off function, and in practical application, the electric quantity of each path also needs to be known, which cannot be realized by the existing timer.

In view of this, the utility model provides a three-phase timer, which is applied to a three-phase high-power electrical appliance, can be controlled intelligently, has a small volume, and can collect the electric quantity of each path respectively.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a three-phase timer which is applied to a three-phase high-power electric appliance, can be intelligently controlled, has a small volume and can be used for respectively collecting the electric quantity of each path.

A three-phase timer comprises an upper shell 1, a lower shell 2 and an inner core 3 arranged between the upper shell 1 and the lower shell 2, wherein a manual switch 11 is arranged on the upper shell 1, a key 111 of the manual switch 11 can automatically rebound after being pressed down, the inner core 3 comprises a module board 31, a control board 32 and a relay 33 from top to bottom, the module board 31 is connected with the control board 32 through a wiring board 34, the control board 32 is connected with the relay 33 through a lead 35, the module board 31 comprises a communication data processing chip and an MCU chip, the communication data processing chip is used for remote communication and outputting signals to the MCU chip, the control board 32 comprises a driving chip and a metering circuit, the MCU chip is connected with the driving chip through the wiring board 34, the driving chip is connected with the relay 33 through the lead 35, the driving chip is used for controlling the work or the non-work of the relay 33, the relays 33 are three, and the three relays 33 are arranged in parallel, the front and back of the relay 33 are respectively provided with a row of wiring terminals 36, the wiring terminals 36 are connected with three-phase external equipment, the three relays 33 are respectively connected with three-phase wiring terminals 361, and the relay 33 is used for controlling the on-off of the three-phase external equipment.

In some embodiments, a support rod 112 is fixed at the bottom of the key 111 of the manual switch 11, a spring 113 is sleeved on the periphery of the support rod 112, a hollow fixing member 114 is sleeved on the periphery of the key 111, a through hole 115 is formed in the bottom of the fixing member 114, the key 111 is pressed, the support rod 112 passes through the through hole 115, the bottom end of the support rod 112 is lower than the lower surface of the through hole 115, the bottom end of the support rod 112 is in contact with a switch contact 311 on the module board 31, and the spring 113 is used for enabling the key 111 to automatically rebound after being pressed.

Further, the fixing member 114 is a transparent fixing member 114, and when the indicator light on the module board 31 is turned on, the light is transmitted through the fixing member 114.

Further, the switch contact 311 is connected with a communication data processing chip, the bottom end of the supporting rod 112 contacts with the switch contact 311 to send a pulse signal to the communication data processing chip, and the communication data processing chip sends a signal to control the relay to work; when the key 111 is pressed again, the bottom end of the support rod 112 contacts the switch contact piece 311 again, a pulse signal is sent to the communication data processing chip, and the communication data processing chip sends a signal to control the relay to be out of operation.

Further, the driving chip is used for controlling the three relays 33 to work or not work simultaneously.

Further, the communication data processing chip is configured to send and receive a remote communication signal, where the remote communication signal includes: wifi, Bluetooth, Zigbee, RFID, LIFI, Z-wave, UWB, EnOcean signal.

In some embodiments, there is a space between the module board 31 and the control board 32, a space between the control board 32 and the relays 33, and a space between the three relays 33.

Further, the relay 33 is further connected with a metering circuit, the metering circuit is used for collecting electric quantity, one or more of the relays 33 are connected with the metering circuit, and one relay 33 is connected with one metering circuit and is used for collecting electric quantity of each path respectively.

Further, if only one relay 33 is connected to the metering circuit, only one metering circuit is provided for detecting the electric quantity of one of the three phases (one phase); if two relays 33 are connected with the metering circuit, the two relays 33 are respectively connected with the two metering circuits and are used for respectively detecting the electric quantity of two paths (two phases) in the three phases; if three relays 33 are connected to the metering circuit, the three relays 33 are respectively connected to the three metering circuits, and are used for respectively detecting the electric quantities of three paths (three phases) of the three phases.

In some embodiments, the core 3 further includes a core upper case 37, a core middle case 38, and a core bottom plate 39, the module board 31 and the control board 32 are disposed in the core upper case 37, the core middle case 38 is fixed to the core upper case 37 and the core bottom plate 39, the relay 33 and the connection terminal 36 are disposed in the core middle case 38, and lower surfaces of the relay 33 and the connection terminal 36 are fixed to the core bottom plate 39.

Further, a row of wiring terminals 36 arranged in front of the relay 33 are connected wiring terminals, a row of wiring terminals 36 arranged behind the relay 33 are connected wiring terminals, each row of wiring terminals 36 has 4 wiring terminals, the three wiring terminals on the left side are three-phase wiring terminals 361 and are respectively marked as wiring terminals a, wiring terminals B and wiring terminals C, and the wiring terminal on the rightmost side is an N-pole wiring terminal 362 and is marked as wiring terminal N.

Drawings

Fig. 1 is a schematic structural diagram of a three-phase timer according to the present application.

Fig. 2 is an exploded view of the three-phase timer of the present application.

Fig. 3 is a schematic structural diagram of a manual switch of the three-phase timer according to the present application.

Fig. 4 is another schematic structural diagram of the manual switch of the three-phase timer of the present application.

Fig. 5 is a schematic structural diagram of the three-phase timer according to the present application after the fixing member is removed from the manual switch.

Fig. 6 is a schematic structural view of the inner core of the three-phase timer according to the present application after removing the upper core shell and the middle core shell.

Description of main component symbols:

the upper case 1, the lower case 2, the core 3, the manual switch 11, the key 111, the strut 112, the spring 113, the fixing member 114, the through hole 115, the module board 31, the control board 32, the relay 33, the wiring board 34, the wire 35, the connection terminal 36, the core upper case 37, the core middle case 38, the core bottom board 39, the switch contact 311, the three-phase terminal 361, and the N-pole connection terminal 362.

Detailed Description

The following examples are described to aid in the understanding of the present application and are not, and should not be construed to, limit the scope of the present application in any way.

In the following description, those skilled in the art will recognize that components may be described throughout this discussion as separate functional units (which may include sub-units), but those skilled in the art will recognize that various components or portions thereof may be divided into separate components or may be integrated together (including being integrated within a single system or component).

Also, connections between components or systems are not intended to be limited to direct connections, but rather, data between these components may be modified, reformatted, or otherwise changed by intervening components. Additionally, additional or fewer connections may be used. It should also be noted that the terms "coupled," "connected," or "input" should be understood to include direct connections, indirect connections through one or more intermediate devices, and wireless connections.

Example 1:

a three-phase timer, as shown in figures 1-6, comprises an upper shell 1, a lower shell 2 and an inner core 3 arranged between the upper shell 1 and the lower shell 2, wherein the upper shell 1 is provided with a manual switch 11, a key 111 of the manual switch 11 can automatically rebound after being pressed, the inner core 3 comprises a module board 31, a control board 32 and a relay 33 from top to bottom, the module board 31 is connected with the control board 32 through a wiring board 34, the control board 32 is connected with the relay 33 through a wire 35, the module board 31 comprises a communication data processing chip and an MCU chip, the communication data processing chip is used for remote communication and outputting signals to the MCU chip, the control board 32 comprises a driving chip and a metering circuit, the MCU chip is connected with the driving chip through the wiring board 34, the driving chip is connected with the relay 33 through the wire 35, the driving chip is used for controlling the work or non-work of the relay 33, the three relays 33 are arranged in parallel, a row of wiring terminals 36 are arranged in front of and behind the relays 33 respectively, the wiring terminals 36 are connected with three-phase external equipment, the three relays 33 are connected with three-phase wiring terminals 361 respectively, and the relays 33 are used for controlling the on-off of the three-phase external equipment.

A supporting rod 112 is fixed at the bottom of a key 111 of the manual switch 11, a spring 113 is sleeved on the periphery of the supporting rod 112, a hollow fixing piece 114 is sleeved on the periphery of the key 111, a through hole 115 is formed in the bottom of the fixing piece 114, the key 111 is pressed, the supporting rod 112 penetrates through the through hole 115, the bottom end of the supporting rod 112 is lower than the lower surface of the through hole 115, the bottom end of the supporting rod 112 is in contact with a switch contact piece 311 on the module board 31, and the spring 113 is used for enabling the key 111 to automatically rebound after being pressed. The fixing member 114 is a transparent fixing member 114, and when an indicator light on the module board 31 is on, the fixing member 114 transmits light. The switch contact piece 311 is connected with the communication data processing chip, the bottom end of the supporting rod 112 is contacted with the switch contact piece 311 to send a pulse signal to the communication data processing chip, and the communication data processing chip sends a signal to control the relay to work; when the key 111 is pressed again, the bottom end of the support rod 112 contacts the switch contact piece 311 again, a pulse signal is sent to the communication data processing chip, and the communication data processing chip sends a signal to control the relay to be out of operation. The driving chip is used for controlling the three relays 33 to work or not work simultaneously. The communication data processing chip is used for sending and receiving remote communication signals, and the remote communication signals are wifi signals.

The module board 31 and the control board 32 have a space therebetween, the control board 32 and the relays 33 have a space therebetween, and the three relays 33 also have a space therebetween. The relay 33 is also connected with a metering circuit, the metering circuit is used for collecting electric quantity, one or more of the relays 33 are connected with the metering circuit, and one relay 33 is connected with one metering circuit and is used for collecting the electric quantity of each path respectively. If only one relay 33 is connected with the metering circuit, only one metering circuit is used for detecting the electric quantity of one path (one phase) of the three phases; if two relays 33 are connected with the metering circuit, the two relays 33 are respectively connected with the two metering circuits and are used for respectively detecting the electric quantity of two paths (two phases) in the three phases; if three relays 33 are connected to the metering circuit, the three relays 33 are respectively connected to the three metering circuits, and are used to respectively detect the electric quantities of three (three) phases of the three phases.

The inner core 3 further comprises an inner core upper shell 37, an inner core middle shell 38 and an inner core bottom plate 39, the module board 31 and the control board 32 are arranged in the inner core upper shell 37, the inner core middle shell 38 is fixed with the inner core upper shell 37 and the inner core bottom plate 39, the relay 33 and the wiring terminal 36 are arranged in the inner core middle shell 38, and the lower surfaces of the relay 33 and the wiring terminal 36 are fixed with the inner core bottom plate 39. The one row of binding post 36 that sets up in relay 33 the place ahead is the binding post of access, and the one row of binding post 36 that sets up in relay 33 rear is the binding post of connecing out, and every row of binding post 36 total 4 binding posts, and the three binding post on the left side is three-phase wiring end 361, marks respectively and is binding post A, binding post B and binding post C, and the binding post on the rightmost side is N utmost point binding post 362, marks as binding post N.

While various aspects and embodiments have been disclosed herein, it will be apparent to those skilled in the art that other aspects and embodiments can be made without departing from the spirit of the disclosure, and that several modifications and improvements can be made without departing from the spirit of the disclosure. The various aspects and embodiments disclosed herein are for purposes of illustration only and are not intended to be limiting, with the true scope of the disclosure being indicated by the following claims.

Claims

1. A three-phase timer comprises an upper shell (1), a lower shell (2) and an inner core (3) arranged between the upper shell (1) and the lower shell (2), and is characterized in that a manual switch (11) is arranged on the upper shell (1), a key (111) of the manual switch (11) can automatically rebound after being pressed down, the inner core (3) comprises a module board (31), a control board (32) and a relay (33) from top to bottom, the module board (31) is connected with the control board (32) through a wiring board (34), the control board (32) is connected with the relay (33) through a wire (35), the module board (31) comprises a communication data processing chip and an MCU chip, the communication data processing chip is used for remote communication and outputting a signal to the MCU chip, the control board (32) comprises a driving chip and a metering circuit, the MCU chip is connected with the driving chip through the wiring board (34), driver chip passes through wire (35) and is connected with relay (33), driver chip is used for controlling the work or not work of relay (33), relay (33) have threely, three relay (33) set up side by side, the front and back of relay (33) is provided with one row of binding post (36) respectively, binding post (36) are connected with three-phase external device, three relay (33) are connected with three-phase wiring end (361) respectively, relay (33) are used for controlling three-phase external device's break-make.

2. The three-phase timer according to claim 1, wherein a support rod (112) is fixed at the bottom of the button (111) of the manual switch (11), a spring (113) is sleeved on the periphery of the support rod (112), a hollow fixing piece (114) is sleeved on the periphery of the button (111), a through hole (115) is formed in the bottom of the fixing piece (114), the button (111) is pressed, the support rod (112) penetrates through the through hole (115), the bottom end of the support rod (112) is lower than the lower surface of the through hole (115), the bottom end of the support rod (112) is in contact with a switch contact piece (311) on the module board (31), and the spring (113) is used for enabling the button (111) to automatically rebound after being pressed.

3. The three-phase timer according to claim 2, wherein the fixing member (114) is a transparent fixing member (114), and the indicator light on the module board (31) transmits light through the fixing member (114) when the indicator light is turned on.

4. The three-phase timer according to claim 2, wherein the switch contact (311) is connected with a communication data processing chip, the bottom end of the supporting rod (112) is contacted with the switch contact (311) to send out a pulse signal to the communication data processing chip, and the communication data processing chip sends out a signal to control the relay to work; and when the key (111) is pressed again, the bottom end of the support rod (112) is contacted with the switch contact piece (311) again, a pulse signal is sent to the communication data processing chip, and the communication data processing chip sends a signal to control the relay to be out of work.

5. The three-phase timer according to claim 1, wherein the driving chip is used for controlling three relays (33) to be operated or not operated simultaneously; the communication data processing chip is used for sending and receiving remote communication signals, and the remote communication signals comprise: wifi, Bluetooth, Zigbee, RFID, LIFI, Z-wave, UWB, EnOcean signal.

6. Three-phase timer according to claim 1, characterised in that there is a distance between the module board (31) and the control board (32), a distance between the control board (32) and the relays (33), and a distance between the three relays (33).

7. Three-phase timer according to claim 6, characterized in that the relays (33) are further connected to a metering circuit for collecting the electric quantity, one or more of the relays (33) being connected to the metering circuit, one relay (33) being connected to one metering circuit for collecting the electric quantity of each way separately.

8. Three-phase timer according to claim 7, characterized in that if only one relay (33) is connected to the metering circuit, there is also only one metering circuit for detecting the electric quantity of one of the three phases; if two relays (33) are connected with the metering circuit, the two relays (33) are respectively connected with the two metering circuits and are used for respectively detecting the electric quantity of two paths in the three phases; if three relays (33) are connected with the metering circuit, the three relays (33) are respectively connected with the three metering circuits and used for respectively detecting the electric quantity of three paths in three phases.

9. The three-phase timer according to claim 1, wherein the inner core (3) further comprises an inner core upper shell (37), an inner core middle shell (38) and an inner core bottom plate (39), the module board (31) and the control board (32) are disposed in the inner core upper shell (37), the inner core middle shell (38) is fixed to the inner core upper shell (37) and the inner core bottom plate (39), the relay (33) and the connection terminal (36) are disposed in the inner core middle shell (38), and lower surfaces of the relay (33) and the connection terminal (36) are fixed to the inner core bottom plate (39).

10. A three-phase timer according to claim 9, characterized in that the row of terminals (36) arranged in front of the relay (33) is incoming terminals, the row of terminals (36) arranged behind the relay (33) is outgoing terminals, there are 4 terminals in each row of terminals (36), the three terminals on the left are three-phase terminals (361) respectively designated as terminal a, terminal B and terminal C, and the terminal on the far right is an N-pole terminal (362) designated as terminal N.