CN213367413U - Electrical control structure - Google Patents

Electrical control structure Download PDF

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Publication number
CN213367413U
CN213367413U CN202021541341.7U CN202021541341U CN213367413U CN 213367413 U CN213367413 U CN 213367413U CN 202021541341 U CN202021541341 U CN 202021541341U CN 213367413 U CN213367413 U CN 213367413U
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China
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line
light
button
led indicator
self
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CN202021541341.7U
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Chinese (zh)
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陈定一
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Ningbo Beilun Juyuan Trade Co Ltd
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Ningbo Beilun Juyuan Trade Co Ltd
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Abstract

The utility model provides an electrical control structure, include: the system comprises a first mechanical self-holding relay, an auxiliary control line, a first light-touch normally-open button module, a main control line and a capacitor; one end of a switch in the first mechanical self-holding relay is connected with an L line of the input power supply, the other end of the switch is connected with a preset load, the load is connected with an N line of the input power supply, one end of a coil of the first mechanical self-holding relay is connected with the L line, and the other end of the coil is connected with the auxiliary control line; the auxiliary control line is also connected with one end of the first light-touch normally-open button module; the other end of the first light-touch normally-open button module is connected with the main control line and is connected with one end of the capacitor through the main control line; and the other end of the capacitor is connected with the N line. The scheme can realize the function of a universal switch, has less specific wiring, convenient wiring, clear wiring line, convenient wiring, effective saving of wires and convenient maintenance.

Description

Electrical control structure
Technical Field
The utility model relates to an electrical control device field, in particular to electrical control structure.
Background
Existing traditional building electrical wiring generally consists of four parts: power supplies, control protectors (miniature circuit breakers and switches), lines and loads (lights and sockets). The building electrical switch mainly comprises a seesaw switch, a pull switch, a speed regulation switch, an energy-saving switch and the like, and the installation mode of the building electrical switch comprises an open installation mode and a concealed installation mode. Illuminators, sockets and the like are usually connected in parallel to two ends of a power supply incoming line, a phase line (commonly called a live line L line) is connected to a lamp holder through a switch, a zero line is directly connected to the lamp holder, and a protective grounding wire is connected with a metal shell of the lamp.
The lighting lines are connected in two ways, wherein the luminaires, sockets, switches, etc. are directly connected from the mains supply, and the intermediate conductors allow for a jointed installation wiring method, called direct wiring method. In addition, the connection of the wires can be performed only by a mounting connection method, called a common terminal connection method, in which a switch, a device terminal lead, and no connector is allowed in the middle of the wire, which is a widely used mounting connection method.
In this conventional wiring manner, there are 2 cases for controlling the load by the switch: the first single-connection switch mode is simple in wiring; in the second multiple switch mode, this is complicated. The common multi-switch is a double-connection switch, which is called a 'one-blade double-throw switch' and has three contacts, two pairs of sub-posts of two double-connection switches are respectively connected by two wires, a phase wire is connected to a main post of one double-connection switch, a wire is connected to a load on a main post of the other double-connection switch, and the other wire of the load needs to be connected with a zero wire. The double-connection switch needs multi-strand wire connection, at least 3 wires are needed in one switch box, the occupied area is large, if more multiple-connection switches are needed, for example, a triple-connection switch needs to be changed, two double-connection switches and one triple-connection switch are needed to realize, the triple-connection switch is called a double-pole double-throw switch, 6 contacts are provided, the wiring is too complex, and the application is less.
Therefore, the current wiring method has the following defects:
(1) in the process of wiring, a multi-connection switch can be theoretically arranged, but in practice, due to the volume of the switch control box, too many switch circuits are complex, so that too many wires are formed, and the large switch control box cannot be normally installed. (2) If a line fault occurs, the maintenance process is complex, the whole line needs to be checked, and the labor cost is very consumed. (3) In the multi-connection switch, the N wires are twisted and then wrapped by the insulating adhesive tapes, and the N wires are easy to generate excessive heat in a long-time electrifying process, so that the switch is burnt, even the load is damaged, and a fire disaster is caused. (4) During wiring, most of power lines and control lines in the wires adopt uniform specifications, and the control lines account for more than half of the total amount of the wires, so that more switches control the same load, the more the number of the control lines is, and the higher the cost is. (5) In the traditional method, the upper route is a load, and the middle route consists of an L line, an N line and a switch. The lead is more, and L line holds the connection of opening before the back and all passes through electric wire and end crimping at switch wiring hole, if L line has not hard up in one of them switch, easily jumps fire, and contact failure leads to follow-up circuit can not normally work. A common switch panel is not provided with a zero line N jack (except a panel with a socket), N lines in a circuit are directly connected with a load by being bound by an insulating tape after being twisted, the insulating tape is damaged and is easy to short circuit, and poor contact can be caused by loose twisting.
SUMMERY OF THE UTILITY MODEL
In view of the above, the invention provides an electrical control structure, and provides a better electrical control structure, by which a multi-tap switch function can be realized, and the electrical control structure has the advantages of less specific wiring, convenient wiring, clear wiring line, convenient wiring, effective wire saving and convenient maintenance.
Specifically, the present invention provides the following specific embodiments:
an embodiment of the utility model provides an electrical control structure, include: the system comprises a first mechanical self-holding relay, an auxiliary control line, a first light-touch normally-open button module, a main control line and a capacitor; one end of a switch in the first mechanical self-holding relay is connected with an L line of the input power supply, the other end of the switch is connected with a preset load, the load is connected with an N line of the input power supply, one end of a coil of the first mechanical self-holding relay is connected with the L line, and the other end of the coil is connected with the auxiliary control line; the auxiliary control line is also connected with one end of the first light-touch normally-open button module; the other end of the first light-touch normally-open button module is connected with the main control line and is connected with one end of the capacitor through the main control line; and the other end of the capacitor is connected with the N line.
In a specific embodiment, the self-test device further comprises a first self-test device, wherein the first self-test device is connected with the capacitor in parallel. Further, in a specific embodiment, the first self-test apparatus includes: the LED lamp comprises a first LED indicator lamp and a first current limiting resistor; the negative electrode of the first LED indicator lamp is connected with one end of the first current-limiting resistor, and the positive electrode of the first LED indicator lamp is connected to one end, close to the N line, of the capacitor in the connection sequence; the other end of the first current limiting resistor is connected with one end, far away from the N line, of the capacitor in a connection sequence; or the anode of the first LED indicator lamp is connected with one end of the first current-limiting resistor, and the cathode of the first LED indicator lamp is connected with one end, far away from the N line, of the capacitor in the connection sequence; the other end of the first current limiting resistor is connected with one end, close to the N line, of the capacitor according to the connection sequence.
In a specific embodiment, the first light-touch normally-open button module comprises: the button self-checking device comprises a first light-touch normally-open button and a button self-checking device connected with the first light-touch normally-open button in parallel; the first light-touch normally-open button is connected in series between the main control line and the auxiliary control line; the button self-checking device comprises a button LED indicator light and a button current-limiting resistor; one end of the button LED indicator lamp is connected with one end of the button current-limiting resistor; if the other end of the button LED indicator lamp is a positive electrode, the other end of the button LED indicator lamp is connected with the main control line, and the other end of the button current-limiting resistor is connected with the auxiliary control line; if the other end of the button LED indicator lamp is a negative electrode, the other end of the button LED indicator lamp is connected with the auxiliary control line, and the other end of the button current-limiting resistor is connected with the main control line.
In a specific embodiment, the method further comprises the following steps: a fuse; wherein the fuse is connected in series between the N line and the capacitor.
In a specific embodiment, the first mechanical latching relay, the first light-touch normally-open button module and the secondary control line form a controller, and the number of the controllers is one or more.
In a specific embodiment, the method further comprises the following steps: the socket, the second light-touch normally-open button module and the second mechanical self-holding relay are arranged on the socket; one end of a switch in the second mechanical self-holding relay is connected with an L line of the input power supply, the other end of the switch is connected with the socket, the socket is connected with an N line of the input power supply, one end of a coil of the second mechanical self-holding relay is connected with the L line, and the other end of the coil of the second mechanical self-holding relay is connected with the second light-touch normally-open button module; the second light touch normally open button module is connected with the capacitor through the main control line.
In a specific embodiment, the second light-touch normally-open button module comprises a second light-touch normally-open button and a second self-checking device; the second self-checking device comprises a second LED indicator light and a second current-limiting resistor; one end of the second LED indicator lamp is connected with one end of the second current-limiting resistor; the second light-touch normally-open button is connected in series between the second mechanical latching relay coil and the main control line; one end of the second LED indicator lamp is connected with one end of the second current-limiting resistor; if the other end of the second LED indicator light is a positive electrode, the other end of the second LED indicator light is connected with the main control line, and the other end of the second current-limiting resistor is connected with the socket; if the other end of the second LED indicator light is a negative electrode, the other end of the second LED indicator light is connected with the socket, and the other end of the second current-limiting resistor is connected with the main control line.
In a specific embodiment, the second light-touch normally-open button module is the same in principle as the first light-touch normally-open button module; the second mechanical latching relay has the same structure as the first mechanical latching relay.
In a specific embodiment, the connection is made based on a push-button terminal.
Therefore, the embodiment of the utility model provides an electrical control structure is provided, include: the system comprises a first mechanical self-holding relay, an auxiliary control line, a first light-touch normally-open button module, a main control line and a capacitor; one end of a switch in the first mechanical self-holding relay is connected with an L line of the input power supply, the other end of the switch is connected with a preset load, the load is connected with an N line of the input power supply, one end of a coil of the first mechanical self-holding relay is connected with the L line, and the other end of the coil is connected with the auxiliary control line; the auxiliary control line is also connected with one end of the first light-touch normally-open button module; the other end of the first light-touch normally-open button module is connected with the main control line and is connected with one end of the capacitor through the main control line; and the other end of the capacitor is connected with the N line. The scheme can realize the function of a universal switch, has less specific wiring, convenient wiring, clear wiring line, convenient wiring, effective saving of wires and convenient maintenance.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of an electrical control structure according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an electrical control structure according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a wiring structure of an electrical control structure according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a part of wiring for intellectualization of an electrical control structure according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a part of wiring for performing intellectualization of another electrical control structure according to an embodiment of the present invention.
Illustration of the drawings:
1-a first mechanical latching relay; 2-auxiliary control line;
3-a first light-touch normally-open button module; 31-first light touch normally open button; 32-button self-test device;
4-main control line; 5-capacitance;
6-first self-checking means; 61-a first LED indicator light; 62-a first current limiting resistor;
7-a fuse; 8-a socket;
9-a second light-touch normally-open button module;
91-a second LED indicator light; 92-a second current limiting resistor; 93-second light touch normally open button;
10-a second mechanical latching relay; 100-load;
101-a mid-way switch; 102-push-button type wiring terminal; 103-an intelligent processor; 104-PLC
105-relay coil.
Detailed Description
Various embodiments of the present disclosure will be described more fully hereinafter. The present disclosure is capable of various embodiments and of modifications and variations therein. However, it should be understood that: there is no intention to limit the various embodiments of the disclosure to the specific embodiments disclosed herein, but rather, the disclosure is to cover all modifications, equivalents, and/or alternatives falling within the spirit and scope of the various embodiments of the disclosure.
The terminology used in the various embodiments of the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the various embodiments of the present disclosure. As used herein, the singular forms are intended to include the plural forms as well, unless the context clearly indicates otherwise. Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the various embodiments of the present disclosure belong. The terms (such as those defined in commonly used dictionaries) should be interpreted as having a meaning that is consistent with their contextual meaning in the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined in various embodiments of the present disclosure.
Example 1
An embodiment of the utility model provides an electrical control structure is provided, as shown in FIG. 1, include: the device comprises a first mechanical self-holding relay 1, a secondary control line 2, a first light-touch normally-open button module 3, a main control line 4 and a capacitor 5; one end of a switch in the first mechanical self-holding relay 1 is connected with an L line of the input power supply, the other end of the switch is connected with a preset load 100, the load 100 is connected with an N line of the input power supply, one end of a coil of the first mechanical self-holding relay 1 is connected with the L line, and the other end of the coil is connected with the auxiliary control line 2; the auxiliary control line 2 is also connected with one end of the first light-touch normally-open button module 3; the other end of the first light-touch normally-open button module 3 is connected with the main control line 4 and is connected with one end of the capacitor 5 through the main control line 4; the other end of the capacitor 5 is connected with the N line.
Specifically, in addition to the configuration shown in fig. 1, the solution can also be extended to changes in the local loads 100, since it is applied specifically to building electrical wiring and control lines. The change of a single load 100 can be realized only by directly installing the capacitor 5, the first mechanical latching relay 1, the first soft-touch normally-open button module 3 and the first self-checking device 6 consisting of the LED indicator light and the current-limiting resistor into the load 100 according to the structure shown in FIG. 2 without changing the whole wiring. For convenience of connection, the main control wire 4 and the auxiliary control wire 2 can be connected by inserting the key type wiring terminal 102 through a wire hole.
Specifically, in this scheme, first mechanical type latching relay 1 is by electromagnetic drive, and mechanical auto-lock has outage memory function. The working process of the first mechanical latching relay 1 is as follows: when a first light-touch normally-open button 31 (located in the first light-touch normally-open button module 3) is pressed, the coil is instantly electrified, the electromagnetic force drives the mechanical structure to realize the switching of the contacts, the normally-open state is changed into the normally-closed state, and the load is electrified; when the first light touch normally open button 31 is released, the coil is powered off, and the self-locking mechanism enables the contact to still keep the power-on state. When the power is switched on again, the contacts are switched again, the normally closed state is changed into the normally open state, and the load is powered off, which is the power-off memory function of the first mechanical self-holding relay 1, and the on-off of the load 100 can be controlled by touching the normally open button 31 by a first light touch. The relay not only retains the advantages of the conventional relay, namely that the control and the execution mechanism are separated: a large current (load current) can be controlled by a small current (relay coil current); the seesaw switch has the characteristics that: the power-saving control circuit has no power consumption at ordinary times, has a power-off self-locking retaining function, and can control the on-off of the load 100 by using one first light touch normally-open button 31. The two advantages are complementary, and the on-off of the load 100 can be realized by instantly electrifying the relay coil with weak current by using a first light-touch normally-open button 31.
In a specific application process, the capacitive reactance of the capacitor 5 can limit the current on the main control line 4 (i.e. the n line in the figure), and acts as short-circuit protection for the main control line 4. In this embodiment, an ac capacitor 5 having a withstand voltage of 500V and a capacity of 2uf can be selected. The capacitance reactance of the alternating current capacitor has the function of limiting the current, and the magnitude of the capacitance reactance is determined by the capacitance and the alternating current frequency. The 2uf capacitance is calculated to be about 140mA of the maximum current in the circuit of 220V and 50 HZ. The working current of the first mechanical self-holding relay 1 is designed to be 20mA, the power is 4.4W (proved by experiments, the working current is enough to drive a mechanical mechanism in the first mechanical self-holding relay 1 to realize contact switching), when the first mechanical self-holding relay normally works, the first light-touch normally-open button 31 is pressed, when the coil of the first mechanical self-holding relay 1 passes through the current of 20mA, and a certain coil is short-circuited, the first light touch normally open button 31 is pressed, which is equivalent to the short circuit of the L line and the N line, and then the capacitor 5 is bridged between the L line and the N line, namely, the two ends of the capacitor are power supply voltage, and the withstand voltage of the capacitor 5 is larger than the power supply voltage, so that the capacitor can be directly connected with an alternating current power supply, the current passing through the capacitor 5 is determined by the capacity and the frequency of the alternating current, so that the maximum current is limited to 140mA, a protection control circuit cannot be damaged, a power supply cannot trip, a button is released, and other relays on the circuit can still work normally.
In a specific embodiment, as shown in fig. 1, a first self-test device 6 is further included, wherein the first self-test device 6 is connected in parallel with the capacitor 5. Further, the first self-test device 6 includes: a first LED indicator 61, a first current limiting resistor 62; the cathode of the first LED indicator 61 is connected to one end of the first current-limiting resistor 62, and the anode of the first LED indicator 61 is connected to one end of the capacitor 5, which is close to the N line in the connection sequence; the other end of the first current limiting resistor 62 is connected with one end of the capacitor 5, which is far away from the N line according to the connection sequence; or the anode of the first LED indicator 61 is connected to one end of the first current-limiting resistor 62, and the cathode of the first LED indicator 61 is connected to one end of the capacitor 5, which is far away from the N line in the connection sequence; the other end of the first current limiting resistor 62 is connected to one end of the capacitor 5, which is close to the N line in the connection sequence.
Specifically, the following effects exist based on the arrangement of the first self-test device 6 on the capacitor 5:
1. when the capacitor 5 is broken down, the N line is short-circuited with the main control line 4 (see the reference number N in fig. 1), the first LED indicator lamp 61 connected in parallel with the capacitor 5 is turned off, and the button LED indicator lamp connected in parallel on the first light-touch normally-open button 31 is normal; 2. when the capacitor 5 is disconnected, the brightness of the first LED indicator lamp 61 on the capacitor 5 is increased, and the button LED indicator lamp on the first light-touch normally-open button 31 is darkened; by pressing any one of the first tact normal-open buttons 31 (there may be a plurality of controllers, and thus a plurality of first tact normal-open buttons 31 are corresponded), the first mechanical latching relay 1 does not operate.
Further, the first light-touch normally-open button module 3 includes: the touch control device comprises a first light-touch normally-open button 31 and a button self-checking device 32 connected with the first light-touch normally-open button 31 in parallel; the first light-touch normally-open button 31 is connected in series between the main control line 4 and the auxiliary control line 2; the button self-checking device 32 comprises a button LED indicator light and a button current-limiting resistor; one end of the button LED indicator lamp is connected with one end of the button current-limiting resistor; if the other end of the button LED indicator lamp is a positive electrode, the other end of the button LED indicator lamp is connected with the main control line 4, and the other end of the button current-limiting resistor is connected with the auxiliary control line 2; if the other end of the button LED indicator lamp is a negative electrode, the other end of the button LED indicator lamp is connected with the auxiliary control line 2, and the other end of the button current-limiting resistor is connected with the main control line 4.
Specifically, when the button self-checking device 32 is installed on the first normally open button 31 to form the normally open button module, the button self-checking device 32 (including the button LED indicator, the button current-limiting resistor), the capacitor 5 and the coil of the first mechanical self-holding relay 1 are connected in series to form a closed loop, and at this time, the button LED indicator works (emits light), and the coil of the first mechanical self-holding relay 1 is connected in series in the same loop, but cannot work. The load current (less than or equal to 0.5mA) of the button LED indicator lamp is limited by the button current limiting resistor, and the coil of the first mechanical self-holding relay 1 is designed to have the current of 20mA, so that the first mechanical self-holding relay does not work although being electrified.
Therefore, the button self-checking device 32 connected in parallel to the first light-touch normally-open button 31 has the following functions:
1. the position of the switch is indicated at night; 2. the button LED indicator lamp is normally on to indicate that all lines are normal; 3. when the button LED indicator light is turned off, the secondary control line 2 (marked as n-1/n-2. in figure 1) corresponding to the first light-touch normally-open button 31 is disconnected or the coil in the first mechanical self-holding relay 1 is damaged; 4. when the first light-touch normally-open button 31 is pressed, the button LED indicator lights are turned off, and the corresponding first mechanical self-holding relay 1 works, so that the first light-touch normally-open button 31 is normal; when the first light-touch normally-open button 31 is pressed down and the button LED indicator lamp is not turned off, the condition that the contact of the first light-touch normally-open button 31 is not closed or the first light-touch normally-open button 31 is damaged or the first mechanical self-holding relay coil is disconnected is shown; 5. pressing the first touch normally open button 31, turning off the button LED indicator light and turning off the load 100, and releasing the first touch normally open button 31 to turn on the button LED indicator light, which indicates that the coil in the first mechanical self-holding relay 1 corresponding to the first touch normally open button 31 is short-circuited.
The scheme has the following beneficial effects:
(1) the first light-touch normally-open button 31, the first self-checking device 32 (including the first LED indicator lamp 61, the first current-limiting resistor 62) and the corresponding outgoing line constitute a first light-touch normally-open button module, as shown in fig. 3, the first light-touch normally-open button module 3 is single-open, and can be combined with a panel into multiple specifications of more than two-open. If a certain module is damaged, the module can be independently replaced without replacing a panel, so that the replacement cost is reduced; the self-checking device can be added to quickly remove faults, reduce maintenance time and improve user experience.
(2) The function of a universal switch is realized, as shown in fig. 1, a control point is added, a first light-touch normally-open button module 3 is connected in parallel, each button box is only provided with two lines, namely a main control line 4 (marked as n in fig. 1) and an auxiliary control line 2 (marked as n-1/n-2. in fig. 1), the whole button box shares the main control line 4, and a plurality of first light-touch normally-open button modules 3 are connected with a plurality of auxiliary control lines 2 in the box, so that the universal switch can be realized with few wiring and convenient wiring no matter how many control points are.
(3) The circuit is clear, and the wiring is convenient; specifically, as shown in fig. 1, in the upper route: the power line follows the load 100, and the first mechanical latching relay 1 is a junction for connecting the power source and the load 100 and a switch. The whole structure is compact, and the wiring is convenient. A middle way: one main control line 4 is connected with the first light-touch normally-open button module 3; the middle way switch 101 can be arranged on the middle way, and a button on a switch panel of the middle way switch 101 in a follow-up actual environment is connected with the first touch normally-open button module 3, so that the method is simple and convenient, and the circuit is clear and definite.
(4) The lead and the labor are saved; in the traditional circuit, the power line and the control line have the same specification, and the control line occupies more than half of the conducting wire. In the scheme, because the current of the main control line and the auxiliary control line is very small, the section of the conducting wire can be reduced, and a large number of conducting wires can be saved. And (3) wire connection: specifically, for example, the connection between the first mechanical latching relay 1 and the power supply and output load 100 is achieved by screw crimping; as shown in fig. 3, the connection between the other main control wires and the auxiliary control wires can be achieved by inserting the key terminals 102 one by one in a hole, which is convenient and fast, and saves labor cost.
(5) The safety and reliability are realized, and the overhaul is convenient; in this scheme, the coil of the first mechanical latching relay 1 and the first touch normally open button 31 are both instantly energized, and the current is very small, so that the heating damage is not easy, and the service life is longer. The control lines are all connected in a hole-line inserting mode, and are not connected in parallel or twisted, so that the failure rate is reduced. In the traditional method, the middle way is a place where faults frequently occur; in the scheme, only the main control line 4 and the auxiliary control line 2 (n-1/n-2.) are arranged on the middle road, and the fault probability is very low. The detection function of the self-detection device (comprising the first self-detection device 6 and the button self-detection device 32) consisting of the LED indicator lamp and the current-limiting resistor R is convenient for rapidly removing faults. The two vulnerable parts of the coil of the first mechanical self-holding relay 1 and the first soft touch normally open button 31 are not easily damaged because of instant energization and small current (less than or equal to 20mA) in working. Because of this scheme not only the circuit is simplified but also possess self-checking device again, so the trouble is few, and the maintenance is fast, has reduced cost of maintenance.
(6) The intelligent control is convenient to upgrade; considering that the development trend of household appliances is intelligent control, if the scheme is used for upgrading intelligent control, the auxiliary control line 2 (such as n-1/n-2 shown in fig. 1) corresponding to the load 100 needing intelligent control is intensively connected with the output of the intelligent device. Two output methods of the intelligent control device are listed below: (the connection schematic diagram is shown in fig. 4 and 5 in detail, and the arrow directions in fig. 4 and 5 represent the directions corresponding to the input and the output) method one (as shown in fig. 4): the intelligent processor 103 is used as the output end of the intelligent control device to input a signal, the corresponding channel outputs a potential signal (n), and the n line is communicated with the auxiliary control line 2 and is equal to the button pressing. Method two (as shown in fig. 5): a PLC (programmable controller) 104 functions as an intelligent control device. The PLC can be connected with the Internet, and can input information through a computer or a mobile phone and output in various modes. The relay contact output mode is adopted, as long as information is input in a certain input channel, a relay of a corresponding output channel is electrified to work, and the normally open contact is closed by controlling the relay coil 105, which is equivalent to that a normally open button is lightly touched to be pressed down. The output has time control, 0.5 second is enough. After 0.5 second, the relay loses power, is equivalent to the light touch of the normally open button and releases, and a plurality of time modules are arranged in the PLC, so that the realization is convenient.
Example 2
The embodiment 2 of the utility model discloses an electrical control structure, on the basis of embodiment 1, still include: a fuse 7; wherein the fuse 7 is connected in series between the N line and the capacitor 5.
Specifically, the fuse 7 is installed on the N line and connected in series to the front end of the capacitor 5, and functions to detect that the indicator lamp is turned off in the first self-checking device 6 connected in parallel to the capacitor 5 when the capacitor 5 is broken down, but the line can still work normally. When a coil of a certain first mechanical self-holding relay 1 is short-circuited, a first light-touch normally-open button 31 is pressed, namely an L line and an N line are short-circuited, and the fuse 7 is fused in an overcurrent mode, so that an electrical system is protected from being damaged. The current of the fuse 7 can be selected to be 2 to 3 times the current defined by the n wires.
Example 3
The embodiment 3 of the utility model discloses an electrical control structure, on the basis of embodiment 1-2, first mechanical type self-sustaining relay 1 first touch normally open button module 3 with the controller is constituteed to vice accuse line 2, the quantity of controller is one or more. Specifically, as shown in fig. 1, 2 controllers are provided.
Example 4
The embodiment 4 of the utility model discloses an electrical control structure, on the basis of embodiment 1-3, this embodiment 4 still includes: the socket 8, the second light-touch normally-open button module 9 and the second mechanical self-holding relay 10 are arranged; one end of a switch in the second mechanical latching relay 10 is connected to the L line of the input power supply, the other end of the switch is connected to the socket 8, the socket 8 is connected to the N line of the input power supply, one end of a coil of the second mechanical latching relay 10 is connected to the L line, and the other end of the coil of the second mechanical latching relay 10 is connected to the second light-touch normally-open button module 9; the second light touch normally open button module 9 is connected with the capacitor 5 through the main control line 4.
Further, the second light-touch normally-open button module 9 includes a second light-touch normally-open button 93 and a second self-checking device; the second self-checking device comprises a second LED indicator lamp 91 and a second current-limiting resistor 92; one end of the second LED indicator 91 is connected to one end of the second current limiting resistor 92; the second soft-touch normally-open button 93 is connected in series between the second mechanical latching relay 10 and the main control line 4; one end of the second LED indicator 91 is connected to one end of the second current limiting resistor 92; if the other end of the second LED indicator 91 is a positive electrode, the other end of the second LED indicator 91 is connected to the main control line 4, and the other end of the second current limiting resistor 92 is connected to the socket 8; if the other end of the second LED indicator 91 is a negative electrode, the other end of the second LED indicator 91 is connected to the socket 8, and the other end of the second current limiting resistor 92 is connected to the main control line 4.
The second light-touch normally-open button module 9 has the same principle as the first light-touch normally-open button module 3; the second mechanical latching relay 10 has the same structure as the first mechanical latching relay 1. In one specific embodiment, the connection is made based on a push-button terminal (as shown in fig. 3). Compared with the traditional insulation tape binding, the insulation tape binding device avoids loosening or short circuit caused by poor binding.
Specifically, the self-test device when installed on the socket 8 functions as: the second LED indicator lamp 91 is on, and the socket 8 is powered on; the second LED indicator 91 goes off and the socket 8 is powered off. And if the LED lamps of the whole line are completely turned off, the L line, the N line or the N line are disconnected.
Specifically, the scheme has the following effects:
the light touch normally open button (including the first light touch normally open button 31 and the second light touch normally open button 93 in the button module 9 of the second light touch normally open button) has been adopted, has changed the seesaw switch that traditional circuit adopted, presses the button circular telegram in the twinkling of an eye, and the release button cuts off the power supply in the twinkling of an eye, does not have for a long time to the circular telegram of first mechanical type self-sustaining relay 1, makes the life of each part increase, the cost is reduced. By the self-checking device that first LED pilot lamp 61 and first current-limiting resistor 62 are constituteed, the problem that detects out the circuit that can be convenient fast makes things convenient for maintenance personal to get rid of the trouble fast. In the socket 8 part, a second mechanical self-holding relay 10, a second light-touch normally-open button 93, and a second self-checking device composed of a second LED indicator lamp 91 and a second current-limiting resistor 92 are added. The power on and off of the socket 8 can be controlled, and the safety factor of a user is increased. In addition, the universal switch function of the load 100 control switch is realized easily only by connecting a soft touch normally open button in parallel when a control point is added due to simple wiring, and only a main control line 4 (marked as N in fig. 1) and a secondary control line 2 (marked as N-1/N-2 in fig. 1) are provided in an application scene of a specific switch box, and no L line and N line exist, so that a subsequent line cannot be influenced even if one switch box breaks down. The main control line 4 and the auxiliary control line 2 (n-1/n-2.) are connected by a key type wiring terminal, so that buttons for controlling a load 100 in the switch box are only 2 lines, no matter how many light touch normally open buttons are connected in parallel to the load 100, the buttons for controlling a load 100 in each switch box are only 2 lines, wiring can be easily conducted, and the key type wiring terminal is adopted, so that the traditional insulating tape binding is avoided, and looseness or short circuit caused by poor binding is avoided.
The capacitor 5 with the withstand voltage larger than 220V is not easy to be broken down in a 220V line, but a fuse 7 is additionally arranged at the front end of the capacitor 5, so that in case of breakdown of the capacitor 5, an N line is equal to an N line (at this time, although an LED indicating lamp in a self-checking device connected in parallel to the capacitor 5 is extinguished, the capacitor 5 is not found to be broken down because the line still can work normally), a coil of the mechanical self-holding relay is short-circuited, a soft-touch normally-open button is pressed, namely the L line and the N line are short-circuited, and then the fuse 7 plays a short-circuit protection role.
Those skilled in the art will appreciate that the figures are merely schematic representations of one preferred implementation scenario and that the blocks or flow diagrams in the figures are not necessarily required to practice the present invention.
Those skilled in the art will appreciate that the modules in the devices in the implementation scenario may be distributed in the devices in the implementation scenario according to the description of the implementation scenario, or may be located in one or more devices different from the present implementation scenario with corresponding changes. The modules of the implementation scenario may be combined into one module, or may be further split into a plurality of sub-modules.
The above-mentioned invention numbers are merely for description and do not represent the merits of the implementation scenarios.
The above disclosure is only a few specific implementation scenarios of the present invention, however, the present invention is not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.

Claims (10)

1. An electrical control structure, comprising: the touch control circuit comprises a first mechanical self-holding relay, an auxiliary control line, a first light-touch normally-open button module, a main control line, a capacitor and an input power supply; wherein the content of the first and second substances,
one end of a switch in the first mechanical self-holding relay is connected with an L line of the input power supply, the other end of the switch is connected with a preset load, the load is connected with an N line of the input power supply, one end of a coil of the first mechanical self-holding relay is connected with the L line, and the other end of the coil is connected with the auxiliary control line;
the auxiliary control line is also connected with one end of the first light-touch normally-open button module;
the other end of the first light-touch normally-open button module is connected with the main control line and is connected with one end of the capacitor through the main control line;
and the other end of the capacitor is connected with the N line.
2. An electrical control structure according to claim 1, further comprising a first self-test device, wherein said first self-test device is connected in parallel with said capacitor.
3. An electrical control structure according to claim 2, wherein said first self-test means comprises: the LED lamp comprises a first LED indicator lamp and a first current limiting resistor; wherein the content of the first and second substances,
the negative electrode of the first LED indicator lamp is connected with one end of the first current-limiting resistor, and the positive electrode of the first LED indicator lamp is connected to one end, close to the N line, of the capacitor in the connection sequence; the other end of the first current limiting resistor is connected with one end, far away from the N line, of the capacitor in a connection sequence; or the anode of the first LED indicator lamp is connected with one end of the first current-limiting resistor, and the cathode of the first LED indicator lamp is connected with one end, far away from the N line, of the capacitor in the connection sequence; the other end of the first current limiting resistor is connected with one end, close to the N line, of the capacitor according to the connection sequence.
4. An electrical control structure as in claim 1 wherein said first light touch normally open button module comprises: the button self-checking device comprises a first light-touch normally-open button and a button self-checking device connected with the first light-touch normally-open button in parallel;
the first light-touch normally-open button is connected in series between the main control line and the auxiliary control line;
the button self-checking device comprises a button LED indicator light and a button current-limiting resistor; one end of the button LED indicator lamp is connected with one end of the button current-limiting resistor;
if the other end of the button LED indicator lamp is a positive electrode, the other end of the button LED indicator lamp is connected with the main control line, and the other end of the button current-limiting resistor is connected with the auxiliary control line;
if the other end of the button LED indicator lamp is a negative electrode, the other end of the button LED indicator lamp is connected with the auxiliary control line, and the other end of the button current-limiting resistor is connected with the main control line.
5. An electrical control structure according to claim 1, further comprising: a fuse; wherein the fuse is connected in series between the N line and the capacitor.
6. An electrical control structure as in claim 1, wherein said first mechanical latching relay, said first light touch normally open button module and said secondary control line constitute one or more controllers, and the number of said controllers is one or more.
7. The electrical control structure of claim 1, further comprising: the socket, the second light-touch normally-open button module and the second mechanical self-holding relay are arranged on the socket; wherein the content of the first and second substances,
one end of a switch in the second mechanical self-holding relay is connected with the L line of the input power supply, the other end of the switch is connected with the socket, the socket is connected with the N line of the input power supply, one end of a coil of the second mechanical self-holding relay is connected with the L line, and the other end of the coil of the second mechanical self-holding relay is connected with the second light-touch normally-open button module;
the second light touch normally open button module is connected with the capacitor through the main control line.
8. An electrical control structure as in claim 7 wherein said second light touch normally open button module comprises a second light touch normally open button and a second self-test device;
the second self-checking device comprises a second LED indicator light and a second current-limiting resistor; one end of the second LED indicator lamp is connected with one end of the second current-limiting resistor;
the second light-touch normally-open button is connected in series between the second mechanical latching relay coil and the main control line;
if the other end of the second LED indicator light is a positive electrode, the other end of the second LED indicator light is connected with the main control line, and the other end of the second current-limiting resistor is connected with the socket;
if the other end of the second LED indicator light is a negative electrode, the other end of the second LED indicator light is connected with the socket, and the other end of the second current-limiting resistor is connected with the main control line.
9. An electrical control arrangement as in claim 7 wherein said second light-touch normally-open button module is on the same principle as said first light-touch normally-open button module; the second mechanical latching relay has the same structure as the first mechanical latching relay.
10. An electrical control structure according to any of claims 1-9, wherein said connection is made on a push-button terminal.
CN202021541341.7U 2020-07-29 2020-07-29 Electrical control structure Active CN213367413U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021541341.7U CN213367413U (en) 2020-07-29 2020-07-29 Electrical control structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021541341.7U CN213367413U (en) 2020-07-29 2020-07-29 Electrical control structure

Publications (1)

Publication Number Publication Date
CN213367413U true CN213367413U (en) 2021-06-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
CN (1) CN213367413U (en)

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