CN201167305Y - Solid relay with input threshold control - Google Patents
Solid relay with input threshold control Download PDFInfo
- Publication number
- CN201167305Y CN201167305Y CNU2007200826106U CN200720082610U CN201167305Y CN 201167305 Y CN201167305 Y CN 201167305Y CN U2007200826106 U CNU2007200826106 U CN U2007200826106U CN 200720082610 U CN200720082610 U CN 200720082610U CN 201167305 Y CN201167305 Y CN 201167305Y
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- Prior art keywords
- circuit
- thresholding
- voltage
- input threshold
- threshold control
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- 239000007787 solid Substances 0.000 title claims description 27
- 230000005669 field effect Effects 0.000 claims abstract description 20
- 239000003990 capacitor Substances 0.000 claims abstract description 15
- 239000003381 stabilizer Substances 0.000 claims description 40
- 230000010355 oscillation Effects 0.000 claims description 21
- 230000001133 acceleration Effects 0.000 claims description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 2
- 238000000926 separation method Methods 0.000 abstract 1
- 230000000087 stabilizing effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model discloses a solid-state relay with an input threshold control, which comprises an accelerated release circuit, a field effect tube connected with the accelerated release circuit and used as an output end, and an input threshold control circuit. The input threshold control circuit is connected with the accelerated release circuit via an oscillator circuit of three-point capacitance or a photovoltaic coupler; and the input threshold control circuit comprises a voltage-stabilizing tube and diodes, triodes, resistors and capacitors mated therewith, wherein the voltage-stabilizing tube is used for controlling the turn-on voltage of the threshold control circuit. The solid-state relay the input threshold control is arranged on a printed circuit board and connected with a power component on a pedestal via circuits, a casing is covered on the printed circuit board and the power component, and a fastener is connected with the pedestal and the casing. The solid-state relay provided in the utility model can satisfy the separation of turn-on voltage point and turn-off voltage point, and can adjust the design value of the turn-on voltage point and the turn-off voltage point according to actual demands.
Description
(1) technical field
The utility model relates to the solid state relay technical field, is specially a kind of solid state relay with input threshold control.
(2) background technology
Solid state relay is the contactless switch element that solid-state components are formed, the shutoff of input control output end or conducting, and its no movable member and contact, reliable operation, life-span are long, and switching speed is fast, antijamming capability is strong.But existing solid state relay input control is single-point control, and connecting with closing breakpoint is same electrical voltage point, and the sensitivity of input voltage control is had relatively high expectations.
(3) utility model content
The purpose of this utility model is to provide a kind of solid state relay with input threshold control, satisfy to connect electrical voltage point and separate with the shutoff voltage point, and the design load that can dock energising pressure point and shutoff voltage point is according to actual needs adjusted.
The solid state relay with input threshold control of the utility model design, comprise and quicken to discharge circuit and the field effect transistor that is attached thereto as output, also include input threshold control circuit, input threshold control circuit is connected with acceleration release circuit through Colpitts oscillation circuit or photovoltaic coupler.Input threshold control circuit includes voltage-stabiliser tube and supporting diode, triode, resistance and electric capacity, and wherein voltage-stabiliser tube is set its voltage stabilizing value for connecting voltage-stabiliser tube, realizes the connection voltage control of thresholding control circuit.
When needs control shutoff voltage, increase voltage-stabiliser tube for turn-offing voltage-stabiliser tube, adjust its voltage stabilizing value, realize the shutoff voltage control of thresholding control circuit.
The solid state relay that the utility model design has input threshold control, relay circuit is arranged on the printed circuit board, be connected by circuit with (PCC) power on the base, jacket on printed circuit board and (PCC) power, securing member connection base and shell.
The operation method that the utlity model has the solid state relay of input threshold control is: when the input of input threshold control circuit plus signal or when adding cut-off signals not, the input threshold control circuit access failure, not starting of oscillation of Colpitts oscillation circuit or photovoltaic coupler are not worked, the field effect transistor of its control is obstructed, and relay output end opens circuit.When input signal reaches the connection voltage of connecting the voltage-stabiliser tube setting, input threshold control circuit is connected, and input voltage is added to Colpitts oscillation circuit or photovoltaic coupler, makes it to start working, its output control voltage is added in fet gate makes it conducting, and relay output end is connected.When the input terminal voltage of input threshold control circuit drops to the shutoff voltage value of turn-offing the voltage-stabiliser tube setting, the input threshold circuit turn-offs, Colpitts oscillation circuit or photovoltaic coupler input outage, the grid voltage of field effect transistor is by quickening to discharge the circuit rapid release, field effect transistor is turn-offed, the relay output end open circuit.
Adjust the voltage stabilizing value of connecting voltage-stabiliser tube, the connection voltage of control input threshold control circuit; Adjust the voltage stabilizing value of turn-offing voltage-stabiliser tube, the shutoff voltage of control input threshold control circuit.
The utlity model has the solid state relay of input threshold control and the advantage of operation method thereof is: 1, the connection electrical voltage point of relay separates with the shutoff voltage point, has reduced the requirement to input voltage control sensitivity; 2, pass through the voltage stabilizing value of the voltage-stabiliser tube of adjustment input threshold control circuit, can adjust the connection voltage or the shutoff voltage of relay, connecting the voltage setting can be at 2.7V～32V, and the shutoff voltage minimum set can reach 2V.
(4) description of drawings
Fig. 1 is the circuit structure diagram of the embodiment 1 of the solid state relay that originally has input threshold control;
Fig. 2 is the scheme of installation of the embodiment 1 of the solid state relay that originally has input threshold control;
Fig. 3 is the circuit structure diagram of the embodiment 2 of the solid state relay that originally has input threshold control.
Description of drawings: 1, input threshold control circuit; 2, Colpitts oscillation circuit; 3, quicken to discharge circuit; 4, photovoltaic coupler; 5, printed circuit board; 6 bases; 7, securing member; 8, shell.
The first thresholding controlling resistance R1, the second thresholding controlling resistance R2, the 3rd thresholding controlling resistance R3, the 4th thresholding controlling resistance R4, first thresholding control triode V3, second thresholding control triode V4, first thresholding control diode V1, second thresholding control diode V5, connect voltage-stabiliser tube V2, turn-off voltage-stabiliser tube V6, filter capacitor C1; The first oscillating circuit resistance R 5, the second oscillating circuit resistance R 6, the 3rd oscillating circuit resistance R 7, vibration output resistance R8, the first circuit capacitance C2, the second oscillating circuit capacitor C 3, the 3rd oscillating circuit capacitor C 4, oscillating circuit triode V7, transformer T and oscillating circuit diode V8;
Discharge circuit triode V10, discharge circuit diode V9, discharge circuitous resistance R9, field effect transistor V12.
(5) embodiment
The utlity model has input threshold control solid state relay embodiment 1 circuit as shown in Figure 1, the output of input threshold control circuit 1 connects Colpitts oscillation circuit 2, and the vibrate output of 2 circuit of capacitance three-point type connects and quickens to discharge the field effect transistor that connects behind the circuit 3 as relay output end.
Input threshold control circuit 1 comprises first to fourth thresholding controlling resistance R1～R4, first, second thresholding control triode V3, V4, and first, second thresholding control diode V1, V5 connect voltage-stabiliser tube V2 and turn-off voltage-stabiliser tube V6.Power supply connects first thresholding control diode V1 positive pole, the negative pole of first thresholding control diode V1 and the first thresholding controlling resistance R1 connect the emitter of first thresholding control triode V3, the first thresholding controlling resistance R1 other end is connected the negative pole of connection voltage-stabiliser tube V2 and the collector electrode of second thresholding control triode V4 with the second thresholding controlling resistance R2, the base stage of another termination first thresholding control triode of second thresholding controlling resistance R2 V3, the collector electrode and the 3rd of first thresholding control triode V3, four thresholding controlling resistance R3, R4 connects, the base stage of another termination second thresholding control triode of the 3rd thresholding controlling resistance R3 V4, the emitter of second thresholding control triode V4 is connected with the positive pole of second thresholding control diode V5, the negative pole of second thresholding control diode V5 is connected with the negative pole that turn-offs voltage-stabiliser tube V6, connects voltage-stabiliser tube V2 and is connected and connects power supply with the positive pole that turn-offs voltage-stabiliser tube V6.The output of the just very input threshold control circuit 1 of the 4th thresholding controlling resistance R4 and connection, shutoff voltage-stabiliser tube V2, V6.
Turn-off voltage-stabiliser tube V6 when shutoff voltage requires can save when hanging down, i.e. the emitter of second thresholding control triode V4 directly is connected with the negative pole of connection voltage-stabiliser tube V2 through second thresholding control diode V5.
As shown in Figure 1, Colpitts oscillation circuit 2 comprises first to the 3rd oscillating circuit resistance R, 5～R7 and vibration output resistance R8, first to the 3rd oscillating circuit capacitor C, 2～C4, oscillating circuit triode V7, transformer T and oscillating circuit diode V8, first of series connection, two oscillating circuit resistance R 5 and R6 two ends are input, the first oscillating circuit resistance R 5 is in parallel with the first oscillating circuit capacitor C 2, the second oscillating circuit resistance R 6 is in parallel with the 3rd oscillating circuit resistance R 7 and the second oscillating circuit capacitor C 3, first, two oscillating circuit capacitor C 2, C3 connects the base stage of oscillating circuit triode V7, the primary coil of transformer T connects the other end of the first oscillating circuit capacitor C 2 and the collector electrode of oscillating circuit triode V7, the emitter of oscillating circuit triode V7 connects the other end of the second oscillating circuit capacitor C 3, the 3rd oscillating circuit capacitor C 4 is connected between the emitter and collector of oscillating circuit triode V7, the secondary coil of transformer T connects behind the oscillating circuit diode V8 in parallel with vibration output resistance R8, and the output voltage of Colpitts oscillation circuit 2 is added on the vibration output resistance R8.The input of Colpitts oscillation circuit 2, promptly Chuan Lian first and second oscillating circuit resistance R 5 and R6 two ends are in parallel with the output and the filter capacitor C1 of input threshold control circuit 1.
Quickening to discharge circuit 3 comprises release circuit triode V10, discharges circuit diode V9, discharges circuitous resistance R9, the positive pole that discharges circuit diode V9 connects the base stage of the vibration output resistance R8 and the release circuit triode V10 of Colpitts oscillation circuit, the negative pole that discharges circuit diode V9 connects the emitter that discharges circuit triode V10, discharges circuitous resistance R9 and is connected between the collector electrode and vibration output resistance R8 that discharges circuit triode V10.Discharge circuit diode V9 meets field effect transistor V12 through resistance R 11 grid.
The vibration output resistance R8 of Colpitts oscillation circuit 2 also is parallel with resistance R 10 and diode V11.
The solid state relay mounting structure that present embodiment has an input threshold control as shown in Figure 2, relay circuit is arranged on the printed circuit board 5, be connected by circuit with the (PCC) power on the base 6, shell 8 covers on printed circuit board 5 and the (PCC) power, and securing member 7 connects bases 6 and shells 8.
The operation method of the solid state relay with input threshold control of this example is as follows:
When input threshold control circuit 1 input of this relay plus signal or when adding cut-off signals not, input threshold control circuit 1 access failure, Colpitts oscillation circuit 2 not starting of oscillations, circuit is not worked, and field effect transistor V12 is obstructed, this relay output end open circuit.When input signal reaches the connection voltage of connecting voltage-stabiliser tube V2 setting, input threshold control circuit 1 is connected, input voltage is added to Colpitts oscillation circuit 2 by first thresholding control triode V3, this oscillating circuit work, output control voltage is added in field effect transistor V12 grid, field effect transistor V12 conducting, this relay output end is connected, when the input terminal voltage of input threshold control circuit 1 drops to second thresholding control diode V5, when turn-offing the shutoff voltage value of voltage-stabiliser tube V6 setting, input threshold control circuit 1 is turn-offed, Colpitts oscillation circuit 2 input outages, the grid voltage of field effect transistor V12 is by discharging circuit triode V10, discharge circuitous resistance R9 rapid release, field effect transistor V12 turn-offs, this relay output end open circuit.
Adjust the voltage stabilizing value of connecting voltage-stabiliser tube V2, the connection voltage of control input threshold control circuit 1; Adjust the voltage stabilizing value of turn-offing voltage-stabiliser tube V6, the shutoff voltage of control input threshold control circuit 1.
Embodiment 2
The utlity model has input threshold control solid state relay embodiment 2 as shown in Figure 3, comprise the input threshold control circuit 1 identical with embodiment 1, quicken to discharge circuit 3 and field effect transistor, its difference is for having replaced the Colpitts oscillation circuit 2 among the embodiment 1 with photovoltaic coupler 4.Again behind the series resistor R5 ', connect the input of photovoltaic coupler 4 behind the 4th thresholding controlling resistance R4 of the input threshold control circuit output 1 filter capacitor C1 in parallel.The output voltage of photovoltaic coupler 4 is added on the vibration output resistance R8, connects and quickens to discharge circuit 3.The operation method of the solid state relay with input threshold control of this example is also similar to example 1: when input threshold control circuit 1 input plus signal or when adding cut-off signals during access failure not, photovoltaic coupler 4 is not worked, field effect transistor V12 is obstructed, this relay output end open circuit.When input signal reaches the connection voltage of connecting voltage-stabiliser tube V2 setting, input threshold control circuit 1 is connected, and input threshold control circuit 1 pressurization makes it to start working for photovoltaic coupler 4, and output controls voltage to field effect transistor V12 grid, field effect transistor V12 conducting, this relay output end is connected.When the input signal of input threshold control circuit 1 drops to second thresholding control diode V5, input threshold control circuit 1 is turn-offed when turn-offing the shutoff voltage value that voltage-stabiliser tube V6 is provided with, photovoltaic coupler 4 input outages, quit work, the grid voltage of field effect transistor V12 discharges by rapid release circuit 3, field effect transistor V12 turn-offs, this relay output end open circuit.
Claims (7)
1, the solid state relay that has input threshold control comprises the field effect transistor as output of quickening release circuit (3) and being attached thereto, and it is characterized in that:
Also include input threshold control circuit (1), input threshold control circuit (1) is connected with acceleration release circuit (3) through Colpitts oscillation circuit (2) or photovoltaic coupler (4); Input threshold control circuit (1) includes voltage-stabiliser tube and supporting diode, triode, resistance and electric capacity, and voltage-stabiliser tube wherein is for realizing the voltage-controlled connection voltage-stabiliser tube of connection of thresholding control circuit (1).
2, the solid state relay with input threshold control according to claim 1 is characterized in that:
Described input threshold control circuit (1) realizes the shutoff voltage-stabiliser tube of the shutoff voltage control of thresholding control circuit in addition.
3, the solid state relay with input threshold control according to claim 1 is characterized in that:
Described input threshold control circuit (1) comprises that (R1～R4), first, second thresholding is controlled triode (V3, V4) to first to fourth thresholding controlling resistance, and first, second thresholding control diode (V1, V5) is connected voltage-stabiliser tube (V2); Power supply connects first thresholding control diode (V1) positive pole, the negative pole of first thresholding control diode (V1) and the first thresholding controlling resistance (R1) connect the emitter of first thresholding control triode (V3), first thresholding controlling resistance (R1) other end is connected the negative pole of connection voltage-stabiliser tube (V2) and the collector electrode of second thresholding control triode (V4) with the second thresholding controlling resistance (R2), the base stage of another termination first thresholding control triode (V3) of the second thresholding controlling resistance (R2), the collector electrode and the 3rd of first thresholding control triode (V3), four thresholding controlling resistance (R3, R4) connect, the base stage of another termination second thresholding control triode (V4) of the 3rd thresholding controlling resistance (R3), the emitter of second thresholding control triode (V4) is connected with the positive pole of second thresholding control diode (V5), and the negative pole of second thresholding control diode (V5) is connected and connects power supply with the positive pole of connecting voltage-stabiliser tube (V2); The positive pole of the 4th thresholding controlling resistance (R4) and connection voltage-stabiliser tube (V2) is respectively the output of input threshold control circuit (1).
4, the solid state relay with input threshold control according to claim 3 is characterized in that:
Described input threshold control circuit (1) also is connected to turn-offs voltage-stabiliser tube (V6), and the negative pole of second thresholding control diode (V5) is connected with the negative pole that turn-offs voltage-stabiliser tube (V6), connects voltage-stabiliser tube (V2) and is connected and connects power supply with the positive pole that turn-offs voltage-stabiliser tube (V6); The positive pole of the 4th thresholding controlling resistance (R4) and connection, shutoff voltage-stabiliser tube (V2, V6) is respectively the output of input threshold control circuit (1).
5, according to claim 3 or 4 described solid state relays, it is characterized in that with input threshold control:
Described Colpitts oscillation circuit (2) comprises first to the 3rd oscillating circuit resistance (R5～R7) and vibration output resistance (R8), first to the 3rd oscillating circuit electric capacity (C2～C4), oscillating circuit triode (V7), transformer (T) and oscillating circuit diode (V8), first of series connection, two oscillating circuit resistance (R5, R6) two ends are input, the first oscillating circuit resistance (R5) is in parallel with the first oscillating circuit electric capacity (C2), the second oscillating circuit resistance (R6) is in parallel with the 3rd oscillating circuit resistance (R7) and the second oscillating circuit electric capacity (C3), first, two oscillating circuit electric capacity (C2, C3) connect the base stage of oscillating circuit triode (V7), the primary coil of transformer (T) connects the other end of the first oscillating circuit electric capacity (C2) and the collector electrode of oscillating circuit triode (V7), the emitter of oscillating circuit triode (V7) connects the other end of the second oscillating circuit electric capacity (C3), the 3rd oscillating circuit electric capacity (C4) is connected between the emitter and collector of oscillating circuit triode (V7), it is in parallel with vibration output resistance (R8) that the secondary coil of transformer (T) connects oscillating circuit diode (V8) back, and the output voltage of Colpitts oscillation circuit (2) is added on the vibration output resistance (R8); The input of Colpitts oscillation circuit (2), promptly Chuan Lian first and second oscillating circuit resistance (R5, R6) two ends are in parallel with the output and the filter capacitor (C1) of input threshold control circuit (1).
6, according to claim 3 or 4 described solid state relays, it is characterized in that with input threshold control:
Again behind the series resistor (R5 '), connect the input of photovoltaic coupler (4) behind the 4th thresholding controlling resistance (R4) filter capacitor in parallel (C1) of described input threshold control circuit (1) output; The output voltage of photovoltaic coupler (4) is added on the vibration output resistance (R8), connects to quicken to discharge circuit (3).
7, the solid state relay with input threshold control according to claim 1 and 2 is characterized in that:
Described solid state relay circuit with input threshold control (1) is arranged on the printed circuit board (5), be connected by circuit with the (PCC) power on the base (6), shell (8) covers on printed circuit board and the (PCC) power, and securing member (7) connects base (6) and shell (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200826106U CN201167305Y (en) | 2007-12-18 | 2007-12-18 | Solid relay with input threshold control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200826106U CN201167305Y (en) | 2007-12-18 | 2007-12-18 | Solid relay with input threshold control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201167305Y true CN201167305Y (en) | 2008-12-17 |
Family
ID=40192697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200826106U Expired - Lifetime CN201167305Y (en) | 2007-12-18 | 2007-12-18 | Solid relay with input threshold control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201167305Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101465637B (en) * | 2007-12-18 | 2011-01-12 | 桂林航天电子有限公司 | Solid relay with input threshold control and running method thereof |
| CN112187236A (en) * | 2020-11-03 | 2021-01-05 | 桂林航天电子有限公司 | Solid-state relay control circuit |
-
2007
- 2007-12-18 CN CNU2007200826106U patent/CN201167305Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101465637B (en) * | 2007-12-18 | 2011-01-12 | 桂林航天电子有限公司 | Solid relay with input threshold control and running method thereof |
| CN112187236A (en) * | 2020-11-03 | 2021-01-05 | 桂林航天电子有限公司 | Solid-state relay control circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20081217 Effective date of abandoning: 20071218 |