CN218888132U

CN218888132U - Electrical equipment controller for garden system

Info

Publication number: CN218888132U
Application number: CN202223071102.1U
Authority: CN
Inventors: 梁海军
Original assignee: Zhejiang Zhihui Technology Co ltd
Current assignee: Zhejiang Zhihui Technology Co ltd
Priority date: 2022-11-20
Filing date: 2022-11-20
Publication date: 2023-04-18
Anticipated expiration: 2032-11-20

Abstract

The utility model discloses an electrical apparatus controller is used to gardens system belongs to gardens control technical field. The structure includes the casing, is equipped with a plurality of wiring ends that are used for with the electrical apparatus electricity connection in the casing, and the terminal end has live wire and zero line, and live wire and relay concatenate mutually and connect to the terminal end on, and a live wire corresponds a relay, and its characterized in that, corresponding to every wiring end, and parallel connection has piezo-resistor and resistance capacitance between live wire and the zero line, and piezo-resistor's turn-on voltage is higher than 380V, and all wiring ends are arranged into a row. The controller is used for controlling the work of each electrical appliance in the garden system, and can stably control the work of the electrical appliances.

Description

Electrical equipment controller for garden system

Technical Field

The utility model relates to a garden system especially relates to a controller that is used for carrying out control to the work of electrical apparatus in the garden system.

Background

The garden system can be used as an auxiliary facility for household life and can also be used as a convenient activity place in a city as a landscape system. Therefore, high-quality life breath is brought to the family life of people, and a leisure and pleasant activity place can be provided for citizens. The greening plants are used as main coverings of gardens, and the maintenance management level of the greening plants determines whether the plants can survive normally and grow healthily after being planted and whether the ecological and artistic effects of the plants can be exerted. In the garden system, the variety of the greening plants is relatively more, and for some rare plant varieties, the greening plants are relatively difficult to wait and need relatively higher cultivation techniques. Unless a specially-assigned person carries out daily maintenance on the garden system, the normal healthy growth needs of the greening plants are difficult to guarantee.

The garden system needs to be applied to a plurality of electric appliances such as water pumps, illuminating lamps, fans, sprayers and the like, and the electric appliances can start to work after being electrified and stop working after being powered off. The connection of the power supply circuit of the early electric appliance is manually controlled by a shunt circuit, the inconvenience of the use is obvious, and the intelligent control requirement on the whole garden system cannot be well met. Some simple garden system control systems also appear at present, but the use safety and stability of these control systems cannot be guaranteed, and the control of the garden system may be realized at the beginning of use, but after a period of use, the failure rate is relatively high, thereby bringing about extremely poor user experience.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem who needs the solution: the utility model provides an electrical apparatus controller is used to gardens system, this controller is good to the control stability who uses electrical apparatus.

The technical measures adopted for solving the technical problems are as follows: the utility model provides an electrical apparatus controller is used to gardens system, includes the casing, is equipped with a plurality of wiring ends that are used for with the electrical apparatus electricity to be connected in the casing, and wiring end department has live wire and zero line, and live wire and relay are connected to on the wiring end after concatenating mutually, and a live wire corresponds a relay, and its characterized in that corresponds to every wiring end, and it has piezo-resistor and resistance capacitance to connect in parallel between live wire and the zero line, and piezo-resistor's turn-on voltage is higher than 380V, and all wiring ends are arranged into one row.

The electrical appliance such as a water pump can often generate instantaneous surge voltage up to kilovolt at the moment of starting or closing, and the high voltage can be absorbed by the piezoresistor through the conduction of the piezoresistor when the high voltage is generated, so that the phenomenon that some electrical appliance elements in the circuit are broken down and damaged due to the feedback of the high voltage to an external circuit is avoided. The breakover voltage of the piezoresistor is higher than 380V, and under the condition that the breakover voltage is lower than or equal to 380V, the piezoresistor is equivalent to an insulator, and the normal application of the terminal can not be influenced. The voltage generated by the electrical appliance during starting and stopping is relatively low although the voltage is relatively high, and when the voltage is less than the voltage of the voltage dependent resistor, the voltage can be absorbed by the capacitor, so that the voltage can not be fed back to an external circuit. The high voltage generated when the electrical appliance is started and stopped can be reduced according to different application situations, and the connecting circuit is good in working safety.

Further, two pairs of live and neutral wires are arranged in parallel in one terminal. This can effectively simplify the structure for the overall structure compactness of connecting wire is good.

Furthermore, a diode is connected in parallel with the relay; the light emitting diode is connected with the first resistor in series and then connected to the relay in parallel. The diode is arranged, so that the direction of current can be controlled, and the condition that the generated reverse feedback current is conducted to an upstream element to cause damage when the electric appliance is turned on or turned off or works unstably is avoided. The light-emitting diode is arranged, so that whether the relay works or not can be visually indicated, and whether the electric appliance on the corresponding connecting circuit is electrified or not can be known.

Furthermore, the input end of the relay is connected with the output end of the field effect tube, and the optical coupler is connected with the field effect tube. The work of the relay is controlled through the optical coupler and the field effect transistor, the control is convenient, the intelligent control of the relay is convenient to realize, and the structure of the connecting circuit can be effectively simplified.

Furthermore, the optical coupler is provided with four pins, a first pin is connected with a second pin, a third pin is connected with a fourth pin, and the first pin and the second pin are isolated from the third pin and the fourth pin; the first pin is connected with direct current, and the second pin is a signal input end; the third pin is connected with the field effect transistor, and the fourth pin is connected with direct current; under the drive of the direct current on the first pin, the second pin is connected with a signal to enable the field effect transistor to be conducted, and the direct current on the fourth pin is guided to the relay, so that the relay controls the corresponding terminal to be electrified. The first pin and the second pin are physically separated from the third pin and the fourth pin, so that forward transmission of signals can be realized, interference or feedback high voltage generated when electrical appliances and electrical appliance elements work on other circuits can be effectively separated, normal communication is guaranteed, influence of the feedback high voltage on the circuits can be effectively avoided, and the operation safety of the circuits is guaranteed.

Furthermore, the third pin is grounded through a second resistor, a third resistor is connected between the third pin and the field-effect tube in series, and the field-effect tube and the third resistor are connected in parallel with the second resistor after being connected in series. By arranging the two resistors, work protection can be provided for the field effect transistor, so that the field effect transistor is good in work stability.

Furthermore, a substrate is arranged in the shell, the substrate is arranged in the middle of the shell in the depth direction in an overhead mode, the wiring end, the relay, the optical coupler and the field effect transistor are all arranged on the substrate, the wiring end is biased to one side of the substrate, one side of the substrate faces one side wall of the shell, an installation interval is reserved between one side of the substrate and the side wall, and a plurality of threading holes are formed in the side wall. The corresponding electrical appliance elements are conveniently arranged through the arrangement of the substrate, and the installation interval is reserved to conveniently connect the conducting wires connected with the electrical appliances to the wiring terminals.

Furthermore, a cover plate is arranged on the upper side of the substrate in the shell and covers the terminal, the relay, the optical coupler and the field effect transistor, and the terminal is exposed out of the cover plate in the lateral direction of the cover plate. The cover plate can provide protection for some electrical elements, and electronic identity information of the controller can be marked on the cover plate.

The utility model discloses following beneficial effect has: in the connecting circuit, all the wiring terminals are arranged in a row, so that the wiring areas are concentrated and unified, and the connection between the electrical appliances and the wiring terminals is convenient. Through the arrangement of the piezoresistor and the resistor capacitor, the surge feedback voltage generated when the electric appliance is opened and closed or generates large fluctuation in the working process can be reduced, and the use stability of the connecting circuit can be effectively ensured.

Drawings

Fig. 1 is a structural view of the present controller in an open state.

Fig. 2 is a relay drive circuit.

Fig. 3 is an enlarged view of one of the cells of fig. 2.

Fig. 4 is an opto-isolated driver circuit.

Fig. 5 is an enlarged view of one of the cells of fig. 4.

In fig. 1, a housing; 2. an upper cover; 3. installing intervals; 4. a terminal; 5. a substrate; 6. and (7) a cover plate.

Detailed Description

The mechanical structure of the controller is shown in fig. 1, and the structure comprises a shell 1, and the upper end of the shell 1 is open. An upper cover 2 is hinged to the upper end of the casing 1, and the upper cover 2 is used for closing the opening of the casing 1. A substrate 5 is provided in the housing 1 so as to be suspended in the depth direction thereof, and the substrate 5 is spaced from the bottom surface of the housing 1. One side of the substrate 5 faces a side wall of the housing 1, the side wall of the housing 1 and the substrate 5 have a mounting space 3 therebetween, and the remaining three side edges of the substrate 5 abut against three side walls of the housing 1. The substrate 5 is equivalent to a circuit board, and a corresponding control circuit is arranged on the surface of the substrate 5 to control the work of each electrical appliance.

The circuit is as described in fig. 2 to 5, and sixteen relays, i.e., relays RL1-RL16, are shown in fig. 2 in a row. Each relay is used to control a live line L1, see fig. 3, which is connected in series with the relay and then to the terminals. The zero line and the live wire are connected to the wiring ends, and one wiring end is connected with two pairs of the zero line and the live wire. The sixteen relays in fig. 1 correspond to eight terminals, namely terminals PP1-PP8.

Fig. 3 shows two relays RL1, 2 corresponding to one terminal PP1, the two relays are respectively connected with light emitting diodes LD1, 2 and diodes RD1, 2, and the two light emitting diodes LD1, 2 are respectively connected in series with the first resistors Re1, 2 and then connected in parallel with the diodes RD1, 2 on the corresponding relays RL1, 2. When the relay is connected with the live wire L1, the corresponding light-emitting diode is lightened to reflect the working condition of the relay. In fig. 2, in order to ensure the stability of use, a piezoresistor is connected in series between the corresponding zero line N1 and the corresponding live line L1, and correspondingly, 16 piezoresistors are also connected, that is, piezoresistors VR1-VR16. The on-state voltage of the voltage dependent resistor is higher than 380V, and 380V is the transmission voltage of the existing common power transmission line. The conducting voltage of the piezoresistor is 560V, that is, when the electrical appliance is started or closed and the surge induction voltage generated by the electrical appliance is greater than or equal to 560V, the piezoresistor is conducted to absorb the induction voltage. A resistor capacitor RC is also connected in series between the live line L1 and the neutral line N1, and the resistor capacitor RC is substantially formed by connecting a resistor and a capacitor in series. When the induced voltage generated in the using process is lower than 560V, the induced voltage is subjected to energy storage type absorption through the capacitor in the resistance capacitor.

The relay is driven by the optical isolation driving circuit to work, the optical isolation driving circuit comprises an optical coupler and a field effect tube, the input end of the relay is connected with the output end of the field effect tube, and the optical coupler is connected with the field effect tube.

Each relay corresponds to an opto-isolated driver circuit, also sixteen sets, with optocouplers OPx (x = 1-16) and fets Qy (y = 1-16) connected together, see fig. 4. Taking fig. 5 as an example, the optical coupler OP1 has four pins, a first pin is connected with a second pin, a third pin is connected with a fourth pin, and physical isolation is realized between the first pin and the second pin and between the third pin and the fourth pin. And a light emitting diode is arranged among the first pin, the second pin, the third pin and the fourth pin to display whether the field effect transistor is in a working state. The first pin is connected with +5V direct current and used as the working voltage of the field effect transistor; the second pin serves as a signal input terminal. In FIG. 4, the second pins in sixteen optocouplers OPx correspond to signals W0-W15, respectively. The fourth pin is connected with +24V direct current, and the third pin is connected with the field effect transistor. The third pin is grounded through second resistors Rg1-Rg16, third resistors Rq1-Rq16 are connected between the third pin and the field effect tube in series, the field effect tube is grounded, and the field effect tube and the third resistors are connected in parallel with the second resistors after being connected in series. Referring to fig. 5, when the second pin receives the signal W0, driven by the dc power on the first pin, the fet Q1 is caused to be turned on, and the output terminal J0 of the fet Q1 carries +24V, which is applied to the relay, so that the corresponding terminal of the relay control is electrified.

The output ends of the field effect transistors Q1-Q16 are correspondingly J0-J15, and the sixteen output ends are respectively connected to the relays RL1-RL16 and serve as the input ends of the relays, so that the field effect transistors can control the relays one by one. With reference to fig. 3 and 5, when the field effect transistor Q1 is turned on, the switch RELAY4P on the RELAY RL1 is closed, so as to turn on the live wire L1 connected to the RELAY RL1, and generate a voltage between the two connection terminals labeled 1 and 2 in the terminal PP1, so as to electrify the electrical appliances connected to the two connection terminals to start working. After the switch RELAY4P on the RELAY RL1 is cut off, the corresponding electrical appliance is powered off and stops working, thereby realizing the control of the work of the electrical appliance.

Referring to fig. 1, the terminals, the relay, the optocoupler and the fet are all disposed on a substrate 5, and the terminal 4 is offset to one side of the substrate 5. A cover plate 6 is arranged on the upper side of a substrate 5 in the shell 1, the cover plate 6 covers the terminal 4, the relay, the optical coupler and the field effect transistor, and the terminal 4 is exposed out of the cover plate 6 in the lateral direction of the cover plate 6. Eight wire insertion holes are formed in a side wall of the housing 1 corresponding to the mounting space 3, and the terminal 4 is exposed to the side of the cover plate 5 toward the mounting space 3. The wires connected to the electrical consumers can be passed from the threading holes into the mounting space 3 and connected to the corresponding terminals 4.

Claims

1. The utility model provides an electrical apparatus controller is used to gardens system, includes the casing, is equipped with a plurality of wiring ends that are used for with the electrical apparatus electricity to be connected in the casing, and wiring end department has live wire and zero line, and live wire and relay are connected to on the wiring end after concatenating mutually, and a live wire corresponds a relay, and its characterized in that corresponds to every wiring end, and it has piezo-resistor and resistance capacitance to connect in parallel between live wire and the zero line, and piezo-resistor's turn-on voltage is higher than 380V, and all wiring ends are arranged into one row.

2. The garden system appliance controller according to claim 1, wherein two pairs of live and neutral wires are provided in parallel in one terminal.

3. The electrical equipment controller for garden systems according to claim 1, wherein the relay is connected in parallel with a diode; the light emitting diode is connected with the first resistor in series and then connected to the relay in parallel.

4. The electrical equipment controller for garden system according to claim 1, 2 or 3, wherein the input terminal of the relay is connected to the output terminal of the FET, and the optocoupler is connected to the FET.

5. The electrical appliance controller for garden systems according to claim 4, wherein the optical coupler has four pins, the first pin is connected to the second pin, the third pin is connected to the fourth pin, and the first pin and the second pin are isolated from the third pin and the fourth pin; the first pin is connected with direct current, and the second pin is a signal input end; the third pin is connected with the field effect transistor, and the fourth pin is connected with direct current; under the drive of the direct current on the first pin, the second pin is connected with a signal to enable the field effect transistor to be conducted, and the direct current on the fourth pin is guided to the relay, so that the relay controls the corresponding terminal to be electrified.

6. The electrical appliance controller for garden systems according to claim 5, wherein the third pin is grounded through a second resistor, a third resistor is connected in series between the third pin and the FET, and the FET and the third resistor are connected in series and then connected in parallel with the second resistor.

7. The electrical equipment controller for garden systems according to claim 4, wherein a base plate is disposed in the housing, the base plate is disposed at a middle position in a depth direction of the housing in an overhead manner, the terminals, the relay, the optical coupler and the field effect transistor are disposed on the base plate, the terminals are biased to one side of the base plate, one side of the base plate faces a side wall of the housing, a mounting space is left between one side of the base plate and the side wall, and a plurality of threading holes are disposed on the side wall.

8. The electrical equipment controller for garden system according to claim 7, wherein a cover plate is provided in the housing at an upper side of the base plate, the cover plate covering the terminals, the relay, the optical coupler and the field effect transistor, the terminals being exposed to an outside of the cover plate in a lateral direction of the cover plate.