CN117272900A - SPICE-based magnetic latching relay circuit simulation model - Google Patents
SPICE-based magnetic latching relay circuit simulation model Download PDFInfo
- Publication number
- CN117272900A CN117272900A CN202311215696.5A CN202311215696A CN117272900A CN 117272900 A CN117272900 A CN 117272900A CN 202311215696 A CN202311215696 A CN 202311215696A CN 117272900 A CN117272900 A CN 117272900A
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- China
- Prior art keywords
- circuit
- contact
- reset
- current control
- magnetic latching
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- 238000004088 simulation Methods 0.000 title claims abstract description 25
- 235000013599 spices Nutrition 0.000 title claims abstract 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/30—Circuit design
- G06F30/36—Circuit design at the analogue level
- G06F30/367—Design verification, e.g. using simulation, simulation program with integrated circuit emphasis [SPICE], direct methods or relaxation methods
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
Abstract
The invention discloses a magnetic latching relay circuit simulation model based on SPICE, and belongs to the technical field of circuit simulation models. The invention creatively uses the holding circuit to simulate the function of the permanent magnet, and on the basis of ensuring the smooth realization of the function of the magnetic holding relay, the invention does not influence an external circuit, thereby solving the problem of the current non-magnetic holding relay circuit simulation model.
Description
Technical Field
The invention belongs to the technical field of circuit simulation models, and relates to a magnetic latching relay circuit simulation model based on SPICE.
Background
SPICE (Simulation Program for Integrated Circuits Emphasis) is a general circuit simulation program, and can perform circuit analysis such as direct current analysis and alternating current analysis on an electronic circuit, and when SPICE is used for circuit analysis, a circuit simulation model of a corresponding component must be established.
At present, no simulation model of the circuit of the magnetic latching relay based on SPICE is found, and only a simulation model (no magnetic latching function) of a common relay is found. Based on the simulation model, the invention provides a simulation model of a magnetic latching relay circuit based on SPICE, which is used for constructing a simulation circuit of a product containing the magnetic latching relay and analyzing the circuit principle of the product.
Disclosure of Invention
The invention aims to provide a magnetic latching relay circuit simulation model based on SPICE, which replaces the magnetic latching function of a permanent magnet by constructing a retaining circuit.
The technical scheme of the invention is as follows:
a simulation model of a magnetic latching relay circuit based on SPICE comprises a driving circuit, a holding circuit, a reset circuit and a contact circuit.
The driving circuit comprises 2 external wiring terminals X1 and X2 (positive pins and negative pins of the driving coil) and is used for being connected with a driving circuit power supply of the magnetic latching relay; and 1 resistor R1, 1 inductor L1 and 1 current control switch control source V1 are connected in series between the 2 connecting terminals, and the current control switch control source V1 is a circuit model of a driving circuit coil.
The holding circuit comprises 1 voltage source V3 for providing a holding voltage; 1 current control switch control source V4 for controlling the connection and disconnection of contacts in the contact circuit; 1 current limiting resistor R0 for providing the loop with the appropriate current; 3 current control switches W1, W2, W3, wherein W1 is a normally open switch controlled by a control source V1 in the driving circuit, W2 is a normally open switch controlled by a control source V4 in the holding circuit, and W3 is a normally open switch controlled by a control source V2 in the reset circuit; wherein, V3, W1, W3, V4 are connected in series to form 1 loop, and W2 is connected in parallel with W1.
The reset circuit comprises 2 external wiring terminals Y1 and Y2 (positive pins and negative pins of a reset coil) and is used for being connected with a reset circuit power supply of the magnetic latching relay; and 1 resistor R2, 1 inductor L2 and 1 current control switch control source V2 are connected in series between the 2 connecting terminals, and the circuit model of the reset circuit coil is formed.
The contact circuit comprises 6 external wiring terminals A1, A2, A3 (A group of contacts) and B1, B2, B3 (B group of contacts), and four current control switches W4, W5, W6 and W7; a2 is connected with A1 through W4, A2 is connected with A3 through W5; b2 is connected to B1 via W6, and B2 is connected to B3 via W7. Wherein A1 is a normally closed contact of the group A, A2 is a movable contact of the group A, and A3 is a normally open contact of the group A; b1 is a normally closed contact of the group B, B2 is a movable contact of the group B, and B3 is a normally open contact of the group B. W4 and W6 are normally closed switches controlled by a current control switch control source V4; w5 and W7 are normally open switches controlled by a current control switch control source V4.
In the driving circuit, after a power supply meeting the work of the driving circuit is provided between X1 and X2, a current control switch control source V1 controls a normally open switch W1 in a holding circuit to be closed, V3, W1, W3, R0 and V4 in the holding circuit form a loop, and V4 controls the normally open switch W2 to be converted into a closed state to form a self-locking circuit; meanwhile, W4, W5, W6 and W7 in the V4 control contact circuit work, W4 and W6 are converted from normally closed to open states, and W5 and W7 are converted from normally open to closed states; the magnetic latching relay is in a driving working state. When the power supply in the driving circuit disappears, the V4 in the holding circuit is still in a working state, so that the contacts in the contact circuit are ensured to be in a working state, and the holding function is realized.
The reset circuit is characterized in that after a power supply meeting the work of the reset circuit is provided between Y1 and Y2, a normally closed switch W3 in a current control switch control source V2 control holding circuit is switched off, a power supply loop of a current control switch control source V4 is cut off, W2 controlled by V4 is switched into an off state, and preparation is made for the next driving circuit to work; at the same time, the switch in the contact circuit controlled by V4 is reset, W4 and W6 are reset from the open state to the closed state, and W5 and W7 are reset from the closed state to the open state.
And constructing the SPICE circuit simulation model according to the technical parameters of the actual magnetic latching relay according to the structure of the magnetic latching relay circuit simulation model.
The invention has the beneficial effects that: the invention creatively uses the holding circuit to simulate the function of the permanent magnet, and on the basis of ensuring the smooth realization of the function of the magnetic holding relay, the invention does not influence an external circuit, thereby solving the problem of the current non-magnetic holding relay circuit simulation model.
Drawings
Fig. 1 is a schematic functional diagram of a simulation model of a magnetic latching relay circuit (current control switch).
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings.
As shown in FIG. 1, a SPICE-based magnetic latching relay circuit simulation model comprises a driving circuit, a holding circuit, a reset circuit and a contact circuit.
The driving circuit comprises 2 external wiring terminals X1 and X2 and is used for being connected with a driving circuit power supply of the magnetic latching relay; and 1 resistor R1, 1 inductor L1 and 1 current control switch control source V1 are connected in series between the 2 connecting terminals, and the current control switch control source V1 is a circuit model of a driving circuit coil.
The holding circuit comprises 1 voltage source V3 for providing a holding voltage; 1 current control switch control source V4 for controlling the connection and disconnection of contacts in the contact circuit; 1 current limiting resistor R0 for providing the loop with the appropriate current; 3 current control switches W1, W2, W3, wherein W1 is a normally open switch controlled by a control source V1 in the driving circuit, W2 is a normally open switch controlled by a control source V4 in the holding circuit, and W3 is a normally open switch controlled by a control source V2 in the reset circuit; wherein, V3, W1, W3, V4 are connected in series to form 1 loop, and W2 is connected in parallel with W1.
The reset circuit comprises 2 external wiring terminals Y1 and Y2 and is used for being connected with a reset circuit power supply of the magnetic latching relay; and 1 resistor R2, 1 inductor L2 and 1 current control switch control source V2 are connected in series between the 2 connecting terminals, and the circuit model of the reset circuit coil is formed.
The contact circuit comprises 6 external wiring terminals A1, A2, A3 (A group of contacts) and B1, B2, B3 (B group of contacts), and four current control switches W4, W5, W6 and W7; a2 is connected with A1 through W4, A2 is connected with A3 through W5; b2 is connected to B1 via W6, and B2 is connected to B3 via W7. Wherein A1 is a normally closed contact of the group A, A2 is a movable contact of the group A, and A3 is a normally open contact of the group A; b1 is a normally closed contact of the group B, B2 is a movable contact of the group B, and B3 is a normally open contact of the group B. W4 and W6 are normally closed switches controlled by a current control switch control source V4; w5 and W7 are normally open switches controlled by a current control switch control source V4.
In the driving circuit, after a power supply meeting the work of the driving circuit is provided between X1 and X2, a current control switch control source V1 controls a normally open switch W1 in a holding circuit to be closed, V3, W1, W3, R0 and V4 in the holding circuit form a loop, and V4 controls the normally open switch W2 to be converted into a closed state to form a self-locking circuit; meanwhile, W4, W5, W6 and W7 in the V4 control contact circuit work, W4 and W6 are converted from normally closed to open states, and W5 and W7 are converted from normally open to closed states; the magnetic latching relay is in a driving working state. When the power supply in the driving circuit disappears, the V4 in the holding circuit is still in a working state, so that the contacts in the contact circuit are ensured to be in a working state, and the holding function is realized.
The reset circuit is characterized in that after a power supply meeting the work of the reset circuit is provided between Y1 and Y2, a normally closed switch W3 in a current control switch control source V2 control holding circuit is switched off, a power supply loop of a current control switch control source V4 is cut off, W2 controlled by V4 is switched into an off state, and preparation is made for the next driving circuit to work; at the same time, the switch in the contact circuit controlled by V4 is reset, W4 and W6 are reset from the open state to the closed state, and W5 and W7 are reset from the closed state to the open state.
And constructing the SPICE model according to the structure of the magnetic latching relay circuit simulation model. In actual use, parameters of each component in the SPICE model and the number of contact groups (2 groups of contacts in the embodiment) can be set according to the actual technical index of the magnetic latching relay, and the number of contact groups in the contact circuit can be adjusted according to actual conditions.
Claims (2)
1. A simulation model of a magnetic latching relay circuit based on SPICE is characterized by comprising a driving circuit, a holding circuit, a reset circuit and a contact circuit;
the driving circuit comprises 2 external wiring terminals X1 and X2 and is used for being connected with a driving circuit power supply of the magnetic latching relay; 1 resistor R1, 1 inductor L1 and 1 current control switch control source V1 are connected in series between the 2 connecting terminals, and the resistor R1, the inductor L1 and the current control switch control source V1 are a circuit model of a driving circuit coil;
the holding circuit comprises 1 voltage source V3 for providing a holding voltage; 1 current control switch control source V4 for controlling the connection and disconnection of contacts in the contact circuit; 1 current limiting resistor R0 for providing the loop with the appropriate current; 3 current control switches W1, W2, W3, wherein W1 is a normally open switch controlled by a control source V1 in the driving circuit, W2 is a normally open switch controlled by a control source V4 in the holding circuit, and W3 is a normally open switch controlled by a control source V2 in the reset circuit; wherein, V3, W1, W3 and V4 are connected in series to form 1 loop, W2 is connected in parallel with W1;
the reset circuit comprises 2 external wiring terminals Y1 and Y2 and is used for being connected with a reset circuit power supply of the magnetic latching relay; 1 resistor R2, 1 inductor L2 and 1 current control switch control source V2 are connected in series between the 2 connecting terminals, and are circuit models of reset circuit coils;
the contact circuit comprises 6 external wiring terminals A1, A2, A3, B1, B2 and B3, and four current control switches W4, W5, W6 and W7; a2 is connected with A1 through W4, A2 is connected with A3 through W5; b2 is connected with B1 through W6, and B2 is connected with B3 through W7; wherein A1 is a normally closed contact of the group A, A2 is a movable contact of the group A, and A3 is a normally open contact of the group A; b1 is a normally closed contact of the B group, B2 is a movable contact of the B group, and B3 is a normally open contact of the B group; w4 and W6 are normally closed switches controlled by a current control switch control source V4; w5 and W7 are normally open switches controlled by a current control switch control source V4;
and constructing the SPICE circuit simulation model according to the technical parameters of the actual magnetic latching relay according to the structure of the magnetic latching relay circuit simulation model.
2. The simulation model of a magnetic latching relay circuit based on SPICE according to claim 1, wherein the driving circuit is characterized in that after a power supply meeting the operation of the driving circuit is provided between X1 and X2, a current control switch control source V1 controls a normally open switch W1 in a holding circuit to be closed, V3, W1, W3, R0 and V4 in the holding circuit form a loop, and V4 controls the normally open switch W2 to be converted into a closed state to form a self-locking circuit; meanwhile, W4, W5, W6 and W7 in the V4 control contact circuit work, W4 and W6 are converted from normally closed to open states, and W5 and W7 are converted from normally open to closed states; the magnetic latching relay is in a driving working state; when the power supply in the driving circuit disappears, the V4 in the holding circuit is still in a working state, so that the contacts in the contact circuit are ensured to be in the working state, and the holding function is realized;
the reset circuit is characterized in that after a power supply meeting the work of the reset circuit is provided between Y1 and Y2, a normally closed switch W3 in a current control switch control source V2 control holding circuit is switched off, a power supply loop of a current control switch control source V4 is cut off, W2 controlled by V4 is switched into an off state, and preparation is made for the next driving circuit to work; at the same time, the switch in the contact circuit controlled by V4 is reset, W4 and W6 are reset from the open state to the closed state, and W5 and W7 are reset from the closed state to the open state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311215696.5A CN117272900A (en) | 2023-09-20 | 2023-09-20 | SPICE-based magnetic latching relay circuit simulation model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311215696.5A CN117272900A (en) | 2023-09-20 | 2023-09-20 | SPICE-based magnetic latching relay circuit simulation model |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117272900A true CN117272900A (en) | 2023-12-22 |
Family
ID=89213704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311215696.5A Pending CN117272900A (en) | 2023-09-20 | 2023-09-20 | SPICE-based magnetic latching relay circuit simulation model |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117272900A (en) |
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2023
- 2023-09-20 CN CN202311215696.5A patent/CN117272900A/en active Pending
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