CN205039793U - Electronic control board - Google Patents
Electronic control board Download PDFInfo
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- CN205039793U CN205039793U CN201520790671.2U CN201520790671U CN205039793U CN 205039793 U CN205039793 U CN 205039793U CN 201520790671 U CN201520790671 U CN 201520790671U CN 205039793 U CN205039793 U CN 205039793U
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- control circuit
- circuit
- control
- triode thyristor
- bidirectional triode
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Abstract
The utility model provides an electronic control board, including control circuit, protection circuit and output circuit, control circuit includes input interface, optoelectronic coupler and bidirectional thyristor, control circuit passes through the input interface and is connected with the control terminal electricity for according to the control command that the control terminal who receives sent, control optoelectronic coupler drives the bidirectional thyristor and switches on, output circuit is connected with the control circuit electricity for state according to the on -state of bidirectional thyristor control control signal, control signal's state includes: output state and output state not, the protection circuit is connected with the control circuit electricity for bidirectional thyristor to among the control circuit is protected, and it makes output signal be sinusoidal wave through output state of photoelectric coupling control bidirectional thyristor, and this wave form is undistorted, electromagnetic interference is little, the noiseless, and stabilization of output, and the above -mentioned trigger circuit who constitutes is simple reliable, life is longer and the input cost low, the staff's of also being convenient for later maintenance.
Description
Technical field
The utility model relates to electronic technology field, in particular to electronic control panel.
Background technology
Relay is the automatic switch element with isolation features, and being widely used in remote control, remote measurement, communication, automatically control, electromechanical integration and power electronic equipment, is one of most important control element.Relay, owing to simplifying and high efficiency, has been widely used in every field, as controlled each equipment in industrial production, as being used as the electricity consumption switch control rule etc. in family life.
At present, the control circuit based on relay mainly comprises: relay and the relay control module for playing control action to relay; Relay control module itself can be an integrated circuit, and this integrated circuit is electrically connected with relay, for control relay.In the industrial production, with being by control terminal control relay control module per family, in order to control relay, finally realize the control to the start and stop state of controlled device.And in above-mentioned whole control circuit, also comprising glass tube, the effect of above-mentioned glass tube is for monitoring relay, and in relay short circuit or when there are other faults, it disconnects automatically, to ensure the Electrical Safety of user.
Inventor finds under study for action, uses relay to control controlled device as control appliance, the contact meeting loose contact of relay after long-time, thus easily causes the voltage instability of output, even causes not having voltage to export; Further, the relay life of prior art is shorter, needs frequently to change, and makes input cost high and staff's maintenance process is loaded down with trivial details.
Utility model content
The purpose of this utility model is to provide a kind of electronic control panel, export as sinusoidal wave by controllable silicon, waveform is undistorted, electromagnetic interference is little, noiseless, output voltage stabilization and circuits for triggering are simple and reliable, and input cost is high and maintenance process is loaded down with trivial details, useful life is longer.
First aspect, the utility model embodiment provides a kind of electronic control panel, comprising: control circuit, protective circuit and output circuit; Described control circuit comprises: input interface, photoelectrical coupler and bidirectional triode thyristor;
Described control circuit is electrically connected with control terminal by described input interface, for the control command sent according to the described control terminal received, control described photoelectrical coupler and drive described bidirectional triode thyristor conducting, and generate control signal when described bidirectional triode thyristor conducting;
Described output circuit is electrically connected with described control circuit, for exporting described control signal;
Described protective circuit is electrically connected with described control circuit, for protecting the bidirectional triode thyristor in described control circuit.
In conjunction with first aspect, the utility model embodiment provides the first possible execution mode of first aspect, and wherein, above-mentioned electronic control panel also comprises power module; Described power module is electrically connected with power supply, described control circuit and described protective circuit respectively, for providing power supply for whole electronic control panel.
In conjunction with the first possible execution mode of first aspect, the utility model embodiment provides the possible execution mode of the second of first aspect, and wherein, described control circuit comprises: photoelectrical coupler and bidirectional triode thyristor; When described electronic control panel powers on, described photoelectrical coupler controls the conducting state of described bidirectional triode thyristor;
First pin of described photoelectrical coupler is connected with described power module by the first divider resistance; 4th pin of described photoelectrical coupler is connected with one end of described bidirectional triode thyristor by the second divider resistance, and the 6th pin of described photoelectrical coupler is connected with the other end of described bidirectional triode thyristor.
In conjunction with the execution mode that the second of first aspect is possible, the utility model embodiment provides the third possible execution mode of first aspect, wherein, described control circuit comprises: piezo-resistance, be connected in parallel with described bidirectional triode thyristor, for protecting the damage of instantaneous voltage sudden change to described control circuit.
In conjunction with the third possible execution mode of first aspect, the utility model embodiment provides the 4th kind of possible execution mode of first aspect, wherein, described control circuit also comprises: the first indicator light is connected in series with described power module and described photoelectrical coupler respectively, is used to indicate the conducting state of the photoelectrical coupler that it connects; With, the 3rd divider resistance be connected in series with described first indicator light.
In conjunction with the 4th kind of possible execution mode of first aspect, the utility model embodiment provides the 5th kind of possible execution mode of first aspect, and wherein, described protective circuit comprises fast acting fuse; Each described control circuit all connects described fast acting fuse; The electric current of described fast acting fuse is less than the electric current of described bidirectional triode thyristor.
In conjunction with the 4th kind of possible execution mode of first aspect, the utility model embodiment provides the 6th kind of possible execution mode of first aspect, and wherein, described protective circuit comprises fast acting fuse;
Described control circuit is multiple, and multiple described control circuit is connected in parallel and the described control circuit of predetermined number connects a described fast acting fuse jointly; The electric current of described fast acting fuse is less than the electric current of described bidirectional triode thyristor.
In conjunction with the 5th kind of possible execution mode or the 6th kind of possible execution mode of first aspect, the utility model embodiment provides the 7th kind of possible execution mode of first aspect, wherein, described power module comprises: diode is electrically connected with described power supply, for preventing the element damaged in described electronic control panel due to the reversal connection of described power supply; First electric capacity is electrically connected with described power supply, for carrying out filtering process to power supply; Polar capacitor is connected with described first Capacitance parallel connection, for carrying out low frequency filtering process to power supply.
In conjunction with the 7th kind of possible execution mode of first aspect, the utility model embodiment provides the 8th kind of possible execution mode of first aspect, wherein, described power module also comprises: the second indicator light is connected with described first Capacitance parallel connection, is used to indicate the conducting state of described power module; 4th divider resistance and described second indicator light are connected in series, for supply voltage being adjusted to the voltage needed for described second indicator light.
In conjunction with the 8th kind of possible execution mode of first aspect, the utility model embodiment provides the 9th kind of possible execution mode of first aspect, wherein, one or more for controlling in following power consumption equipment of described electronic control panel: electromagnetically operated valve, electromagnet, motor, temperature controller, solid-state relay and ac power switch.
A kind of electronic control panel that the utility model embodiment provides, comprising: control circuit, protective circuit and output circuit, above-mentioned control circuit is electrically connected with control terminal by input interface, for the control command sent according to the control terminal received, controls photoelectrical coupler and drives bidirectional triode thyristor conducting, and generate control signal when bidirectional triode thyristor conducting, above-mentioned output circuit is electrically connected with control circuit, for exporting control signal, above-mentioned protective circuit is electrically connected with control circuit, for protecting the bidirectional triode thyristor in control circuit, controlled device is controlled as exporting with use relay of the prior art, easily cause the voltage instability exported, even cause not having voltage to export to compare, it controls the output state of bidirectional triode thyristor by photoelectric coupling, make output signal for sinusoidal wave, this waveform is undistorted, electromagnetic interference is little, noiseless, and output voltage stabilization, and the circuits for triggering of above-mentioned composition are simple and reliable, useful life is longer and input cost is low, also the later maintenance of staff is convenient to.
For making above-mentioned purpose of the present utility model, feature and advantage become apparent, preferred embodiment cited below particularly, and coordinate appended accompanying drawing, be described in detail below.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 shows the overall structure schematic diagram of a kind of electronic control panel that the utility model embodiment provides;
Fig. 2 shows the particular circuit configurations schematic diagram of a kind of electronic control panel that the utility model embodiment provides;
Fig. 3 shows the particular circuit configurations schematic diagram of the another kind of electronic control panel that the utility model embodiment provides.
Main element symbol description:
11, control circuit; 22, output circuit; 33, protective circuit; 44, power module.
Embodiment
Below in conjunction with accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.The assembly of the utility model embodiment describing and illustrate in usual accompanying drawing herein can be arranged with various different configuration and design.Therefore, below to the detailed description of the embodiment of the present utility model provided in the accompanying drawings and the claimed scope of the present utility model of not intended to be limiting, but selected embodiment of the present utility model is only represented.Based on embodiment of the present utility model, the every other embodiment that those skilled in the art obtain under the prerequisite not making creative work, all belongs to the scope of the utility model protection.
Prior art uses relay to control controlled device as control appliance, the contact meeting loose contact of relay after long-time, thus easily cause the voltage instability of output, even cause not having voltage to export, and make be generally 1 year the service time of prior art repeat circuit.Based on the problem that above-mentioned relay life is shorter, use relay to need frequent replacing as control appliance, bring a lot of inconvenience to the maintenance work of staff and the cost changed needed for relay is also higher.
Based on the problems referred to above, the utility model provides a kind of electronic control panel, and it exports with bidirectional triode thyristor Q and replaces relay to export, and controls the work of the power consumption equipment such as A.C. contactor or electromagnetically operated valve, in order to make the power consumption equipment runnings such as hydraulic press; Above-mentioned bidirectional triode thyristor Q exports as sinusoidal wave, and waveform is undistorted, electromagnetic interference is little, noiseless, and the circuits for triggering of above-mentioned composition are simple and reliable, and useful life is longer and input cost is low, is also convenient to the later maintenance of staff.
In addition, use glass tube to carry out monitoring relay in prior art, glass tube is easily burned because of the short circuit of circuit, after glass tube breaks down, staff manually cannot judge whether relay is also burned, it needs the quality overhauling to judge relay to relay, and also needs when detecting that relay is burned to keep in repair relay, and maintenance process complexity is loaded down with trivial details.
Based on this problem, the electronic control panel that the utility model provides is to replace glass tube by fast acting fuse K1, when after control circuit 11 short circuit in electronic control panel, first it can burn out fast acting fuse K1, and bidirectional triode thyristor Q can not be burnt out, staff can change the fast acting fuse K1 burnt out easily, is convenient to the maintenance work in staff's later stage.
Below in conjunction with Fig. 1 and Fig. 2, the electronic control panel that the utility model provides is described in detail:
Concrete, the utility model provides a kind of electronic control panel, comprising: control circuit 11, protective circuit 33 and output circuit 22; Above-mentioned control circuit 11 comprises: input interface Y (shows Y0-Y7 in figs. 2 and 3, wherein, the integrated circuit figure of the electronic control panel that Fig. 2 and Fig. 3 provides for the present embodiment, and Fig. 2 with Fig. 3 is connected by connectivity port a), photoelectrical coupler and bidirectional triode thyristor Q;
Control circuit 11 is electrically connected with control terminal by input interface Y, for the control command sent according to the described control terminal received, controls photoelectrical coupler and drives bidirectional triode thyristor Q conducting, and generate control signal when bidirectional triode thyristor Q conducting;
Output circuit 22 is electrically connected with control circuit 11, for exporting the control signal that above-mentioned control circuit generates, in order to control corresponding power consumption equipment work;
Protective circuit 33, for protecting the bidirectional triode thyristor Q in control circuit 11.
A kind of electronic control panel that the utility model embodiment provides, controlled device is controlled as exporting with use relay of the prior art, easily cause the voltage instability exported, even cause not having voltage to export to compare, it utilizes electronic control panel to replace relay as control section, the output state of bidirectional triode thyristor Q is controlled especially by photoelectric coupling, make output signal for sinusoidal wave, this waveform is undistorted, electromagnetic interference is little, noiseless, and output voltage stabilization, and the circuits for triggering of above-mentioned composition are simple and reliable, useful life is longer and input cost is low, also the later maintenance of staff is convenient to.
Concrete, the electronic control panel that the utility model embodiment provides mainly comprises three large circuit: control circuit 11, protective circuit 33 and output circuit 22; Wherein, the utility model embodiment is described for 8 control circuits, above-mentioned 8 control circuits are connected with control terminal respectively by the input Y0-Y7 of correspondence, be provided with the control program write in advance in above-mentioned control terminal, control terminal then controls above-mentioned 8 control circuits (namely issuing control command to control circuit) by above-mentioned control program.Concrete, when above-mentioned control terminal does not control the work of above-mentioned control circuit, the input Y0-Y7 of corresponding control circuit does not work, and now Y0-Y7 exports positive voltage (being specially+24V); And when above-mentioned control terminal controls the work of above-mentioned control circuit, the input Y0-Y7 of corresponding control circuit works, now Y0-Y7 exports negative voltage (being specially-24V or 0V).Wherein, above-mentioned control terminal is preferably desktop computer or notebook computer.
In addition, control circuit 11 also comprises: photoelectrical coupler and bidirectional triode thyristor Q; When the control command work that control circuit 11 sends according to control terminal, then first start photoelectrical coupler work, even if photoelectrical coupler starts working (luminescence) according to the light-emitting diode D1 of its inside of the signal of telecommunication, and then control the conducting of bidirectional triode thyristor Q, can control signal be produced when described bidirectional triode thyristor Q conducting.
And all corresponding output circuit 22 of each control circuit 11, for exporting above-mentioned control signal, in order to control corresponding power consumption equipment work according to this control signal, above-mentioned power consumption equipment is as electromagnetically operated valve, electromagnet, motor, temperature controller, solid-state relay and ac power switch etc.
In addition, consider that, due to short circuit and then the problem that can burn out the bidirectional triode thyristor Q in control circuit 11, the utility model is protected by the bidirectional triode thyristor Q in protective circuit 33 pairs of control circuits 11.
Concrete, in figs. 2 and 3, the control circuit in the present embodiment is 8, and the output circuit of correspondence is also 8, i.e. OUT1 ~ OUT8.
Further, this electronic control panel also comprises power module 44; Power module 44 is electrically connected with power supply, control circuit 11 and protective circuit 33 respectively, for providing power supply for whole electronic control panel.
Concrete; the electronic control panel that the utility model provides also comprises power module 44; one end access power supply of this power module 44 (is preferably 24V voltage; then powered by control terminal in the present embodiment); its other end is electrically connected with control circuit 11 and protective circuit 33 respectively, for being whole circuit supply.
Further, in above-mentioned electronic control panel, described control circuit 11 comprises: photoelectrical coupler and bidirectional triode thyristor Q; When described electronic control panel powers on, described photoelectrical coupler controls the conducting of described bidirectional triode thyristor;
First pin 1 of described photoelectrical coupler is connected with described power module 44 by the first divider resistance R11 (photoelectrical coupler in the present embodiment is U1 ~ U8, then first corresponding divider resistance R11 ~ R18); By the second divider resistance R21, (photoelectrical coupler in the present embodiment is U1 ~ U8 to 4th pin of described photoelectrical coupler, second then corresponding divider resistance R21 ~ R28) be connected with one end of described bidirectional triode thyristor Q, the 6th pin of described photoelectrical coupler is connected with the other end of described bidirectional triode thyristor Q.
Photoelectrical coupler in the present embodiment preferably adopts the photoelectrical coupler of MOC3061 series (specifically to use MOC3063 in the present embodiment, and the photoelectrical coupler in the present embodiment is 8, be respectively U1MOC3063 ~ U8MOC3063), it strengthens Static output ability greatly, ensure that the switch performance that inductive load is stable.Because constrained input employing Phototube Coupling, insulation voltage can reach 7500V.Concrete, the photoelectrical coupler of MOC3061 series adopts dual-in-line 6 pin package form, and as shown in Figure 1, power consumption equipment forms by inputting, exporting two parts; Wherein, 1,2 pin are input, this input stage be a GaAs infrarede emitting diode D1, this diode D1 under the effect of 5 ~ 15mA forward current, send enough infrared light and trigger output; 3,5 pin are empty pin, 4,6 pin are output, and output stage is the light-operated bidirectional triode thyristor Q of master control with zero passage detection, when infrarede emitting diode D1 launches infrared light, light-operated master control bidirectional triode thyristor triggering and conducting, thus the conducting of the bidirectional triode thyristor Q be connected with photoelectrical coupler can be controlled.
Wherein, specifically with the bidirectional triode thyristor Q of BT139800E model in the present embodiment, and the utility model is not restricted to the model of bidirectional triode thyristor Q, in figs. 2 and 3, control circuit is 8, and bidirectional triode thyristor Q is expressed as Q1BT139800E, Q2BT139800E, Q3BT139800E, Q4BT139800E, Q5BT139800E, Q6BT139800E, Q7BT139800E and Q8BT139800E.
Further, in above-mentioned electronic control panel, control circuit 11 comprises: piezo-resistance Z, is connected in parallel with bidirectional triode thyristor, for protecting the damage of instantaneous voltage sudden change to control circuit 11.
Concrete, consider in whole circuit and can occur transient high-current suddenly, and then burn out bidirectional triode thyristor Q in control circuit 11, therefore also piezo-resistance Z is provided with in control circuit 11, this piezo-resistance Z and bidirectional triode thyristor Q is connected in parallel, in order to protect the damage of instantaneous voltage sudden change to control circuit 11; Wherein, the piezo-resistance Z in the present embodiment is described for 7D471, concrete, and when control circuit is multiple, piezo-resistance Z represents with Z1, Z2, Zn respectively; In figs. 2 and 3, control circuit is 8, then piezo-resistance Z is respectively with Z17D471, Z27D471, Z37D471 ... Z87D471.
Further, in above-mentioned electronic control panel, control circuit 11 also comprises: the first indicator light LED1 is connected in series with described power module 44 and described photoelectrical coupler respectively, is used to indicate the conducting state of the photoelectrical coupler that it connects; With, the 3rd divider resistance R1 be connected in series with described first indicator light LED1.Wherein, the 3rd divider resistance R1 in the present embodiment is all connected with the output negative pressure of power supply with photoelectrical coupler MOC, in order to poor with power module input coating-forming voltage, whole circuit is normally worked.
Consider that control circuit 11 is on circuit boards integrated, its operating state is not easy to staff and checks, therefore arranges the first indicator light LED1 in above-mentioned control circuit 11, for indicating the operating state of control circuit 11 in real time; As when indicator light is bright, indicate current control circuit 11 in running order; As when indicator light does not work, indicate current control circuit 11 not in running order; Also can as being in a kind of color (as green) when indicator light time, indicate current control circuit 11 in running order; During as being in another kind of color (as redness) when instruction, indicate current control circuit 11 not in running order.
In addition, consider that the operating voltage of the first indicator light LED1 is less, and the voltage that power module 44 provides is comparatively large, therefore dividing potential drop need be carried out with use the 3rd divider resistance R1, to make the voltage of the voltage of supply first indicator light LED1 needed for the first indicator light LED1.
Concrete, when control circuit is multiple, first indicator light LED1 is respectively with LED1, LED1 ... LEDn represents, concrete, in figs. 2 and 3, control circuit is 8, then LED1 is respectively with LED1, LED2, LED3 ... LED8, in like manner, the 3rd corresponding divider resistance is also respectively with R1, R2, R3 ... R8 represents.
Further, in above-mentioned electronic control panel, described protective circuit 33 comprises fast acting fuse K1; Each described control circuit 11 all connects described fast acting fuse K1; The electric current of described fast acting fuse K1 is less than the electric current of described bidirectional triode thyristor Q.
Concrete, in order to realize the protection to the bidirectional triode thyristor Q in control circuit 11, each control circuit 11 can be made all to connect a fast acting fuse K1, in order to protect bidirectional triode thyristor Q.
In addition, in above-mentioned electronic control panel, described protective circuit 33 comprises fast acting fuse K1; Described control circuit 11 is multiple, and multiple described control circuit 11 is connected in parallel and the described control circuit 11 of predetermined number connects a described fast acting fuse K1 jointly; The electric current of described fast acting fuse K1 is less than the electric current of described bidirectional triode thyristor Q.
Electronic control panel involved in the present embodiment, its control circuit 11 can be multiple and be connected in parallel, and is respectively used to the output realizing different control signals, in order to control corresponding different equipment; And consider saving input cost and this two problems of good protection to the bidirectional triode thyristor Q in control circuit 11, multiple control circuit 11 can be made to use a fast acting fuse K1 respectively, in order to protect bidirectional triode thyristor Q.
For the integrated circuit figure that Fig. 2 and Fig. 3 is corresponding, control circuit 11 is 8, wherein, is preferably 4 control circuits 11 and jointly connects a fast acting fuse K1.
Concrete; fast acting fuse K1 is used to protect control circuit 11 in the utility model embodiment; the maximum of fast acting fuse K1 bears the electric current that electric current is less than bidirectional triode thyristor Q; therefore when excessive by the overall current of control circuit 11; first it reach the threshold current of fast acting fuse K1; now first fast acting fuse K1 is burned, and then whole circuit then disconnects, and well protects control circuit 11 part (namely protecting bidirectional triode thyristor Q).
In addition, the operating voltage of the fast acting fuse K1 in the present embodiment is 250V, and operating current is 3A.
Further, in above-mentioned electronic control panel, described power module 44 comprises: diode D1, and it is electrically connected with described power supply, for preventing the element damaged in described electronic control panel due to the reversal connection of described power supply; First electric capacity C1 is electrically connected with described power supply, for carrying out filtering process to power supply; Polar capacitor CN1 and described first electric capacity C1 is connected in parallel, for carrying out low frequency filtering process to power supply, better to process the signal of telecommunication that power supply produces, and supply control circuit 11, protective circuit 33 and output circuit 22.
Further, in above-mentioned electronic control panel, described power module 44 also comprises: the second indicator light LED9 and described first electric capacity C1 is connected in parallel, and is used to indicate the conducting state of described power module 44; 4th divider resistance R9 and described second indicator light LED9 is connected in series, for supply voltage being adjusted to the voltage needed for described second indicator light LED9.
Same, consider that power module 44 is on circuit boards integrated, its operating state is not easy to staff and checks, therefore arranges the second indicator light LED9 in above-mentioned power module 44, for indicating the operating state of power module 44 in real time; As when indicator light is bright, indicate current control circuit 11 in running order; As when indicator light does not work, indicate current control circuit 11 not in running order; Also can as being in a kind of color (as green) when indicator light time, indicate current control circuit 11 in running order; During as being in another kind of color (as redness) when instruction, indicate current control circuit 11 not in running order.
In addition, consider that the operating voltage of the second indicator light LED9 is less, and the voltage that power module 44 provides is comparatively large, therefore dividing potential drop need be carried out with use the 4th divider resistance R9, to make the voltage of the voltage of supply second indicator light LED9 needed for the second indicator light LED9.
In addition, the electronic control panel that the utility model embodiment provides, its one or more for controlling in following power consumption equipment: electromagnetically operated valve, electromagnet, motor, temperature controller, solid-state relay and ac power switch.
Below, the electronic control panel that the utility model combination is overall is described:
The utility model take electronic control panel as carrier, indicates three parts to form by (the comprising input and control end) of control circuit, protective circuit, power module and action.Above-mentioned input is connected respectively to 2 24VDC power supply terminals, for receiving the control command that control terminal sends, controlling 8 photoelectrical coupler MOC3063, and control 8 bidirectional triode thyristor Q by 8 photoelectrical coupler MOC3063 by control end; Output circuit is used for control signal bidirectional triode thyristor conducting generated, in order to control corresponding power consumption equipment work; Above-mentioned protective circuit (protection device wherein) is made up of the fast acting fuse of 2 250v/3A, and above-mentioned power module comprises 1 power supply indicator; The equal correspondence of each control circuit is provided with 8 action indicators, for representing the output of the control circuit that instruction is current.
Concrete, for power unit (i.e. electron plate working power): the surge current that D1 diode prevents power supply from connecing anti-C1 filtering High-frequency Interference LD9 power supply instruction CN1 DC filtering and preventing action from causing.
For action display section: circuit operation display section LD1-LD8 shows working portion.
For control circuit part: OUT0-OUT8, MOC-3063 are equivalent to relay coil part in order to control bidirectional triode thyristor Q action (namely opening or closing).
For circuit output: Q1-Q8, BT139-800E bidirectional triode thyristor Q exports Controlling solenoid valve.
For circuit protection: form protection bidirectional triode thyristor Q by 250V/3A fast acting fuse, by short circuit experiment gained, quick fuse BT139.800E is intact.
A kind of electronic control panel that the utility model embodiment provides, comprising: control circuit, protective circuit and output circuit, above-mentioned control circuit is electrically connected with control terminal by input interface, for the control command sent according to the control terminal received, controls photoelectrical coupler and drives bidirectional triode thyristor conducting, and generate control signal when bidirectional triode thyristor conducting, above-mentioned output circuit is electrically connected with control circuit, for exporting control signal, above-mentioned protective circuit is electrically connected with control circuit, for protecting the bidirectional triode thyristor in control circuit, controlled device is controlled as exporting with use relay of the prior art, easily cause the voltage instability exported, even cause not having voltage to export to compare, it controls the output state of bidirectional triode thyristor by photoelectric coupling, make output signal for sinusoidal wave, this waveform is undistorted, electromagnetic interference is little, noiseless, and output voltage stabilization, and the circuits for triggering of above-mentioned composition are simple and reliable, useful life is longer and input cost is low, also the later maintenance of staff is convenient to.
The above; be only embodiment of the present utility model; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; change can be expected easily or replace, all should be encompassed within protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of described claim.
Claims (10)
1. an electronic control panel, is characterized in that, comprising: control circuit, protective circuit and output circuit; Described control circuit comprises: input interface, photoelectrical coupler and bidirectional triode thyristor;
Described control circuit is electrically connected with control terminal by described input interface, for the control command sent according to the described control terminal received, control described photoelectrical coupler and drive described bidirectional triode thyristor conducting, and generate control signal when described bidirectional triode thyristor conducting;
Described output circuit is electrically connected with described control circuit, for exporting described control signal;
Described protective circuit is electrically connected with described control circuit, for protecting the bidirectional triode thyristor in described control circuit.
2. electronic control panel according to claim 1, is characterized in that, also comprises power module; Described power module is electrically connected with power supply, described control circuit and described protective circuit respectively, for providing power supply for whole electronic control panel.
3. electronic control panel according to claim 2, is characterized in that, described control circuit comprises: photoelectrical coupler and bidirectional triode thyristor; When described electronic control panel powers on, described photoelectrical coupler controls the conducting state of described bidirectional triode thyristor;
First pin of described photoelectrical coupler is connected with described power module by the first divider resistance; 4th pin of described photoelectrical coupler is connected with one end of described bidirectional triode thyristor by the second divider resistance, and the 6th pin of described photoelectrical coupler is connected with the other end of described bidirectional triode thyristor.
4. electronic control panel according to claim 3, is characterized in that, described control circuit comprises: piezo-resistance, is connected in parallel with described bidirectional triode thyristor, for protecting the damage of instantaneous voltage sudden change to described control circuit.
5. electronic control panel according to claim 4, is characterized in that, described control circuit also comprises: the first indicator light is connected in series with described power module and described photoelectrical coupler respectively, is used to indicate the conducting state of the photoelectrical coupler that it connects; With, the 3rd divider resistance be connected in series with described first indicator light.
6. electronic control panel according to claim 5, is characterized in that, described protective circuit comprises fast acting fuse; Each described control circuit all connects described fast acting fuse; The electric current of described fast acting fuse is less than the electric current of described bidirectional triode thyristor.
7. electronic control panel according to claim 5, is characterized in that, described protective circuit comprises fast acting fuse;
Described control circuit is multiple, and multiple described control circuit is connected in parallel and the described control circuit of predetermined number connects a described fast acting fuse jointly; The electric current of described fast acting fuse is less than the electric current of described bidirectional triode thyristor.
8. the electronic control panel according to claim 6 or 7, is characterized in that, described power module comprises: diode is electrically connected with described power supply, for preventing the element damaged in described electronic control panel due to the reversal connection of described power supply; First electric capacity is electrically connected with described power supply, for carrying out filtering process to power supply; Polar capacitor is connected with described first Capacitance parallel connection, for carrying out low frequency filtering process to power supply.
9. electronic control panel according to claim 8, is characterized in that, described power module also comprises: the second indicator light is connected with described first Capacitance parallel connection, is used to indicate the conducting state of described power module; 4th divider resistance and described second indicator light are connected in series, for supply voltage being adjusted to the voltage needed for described second indicator light.
10. electronic control panel according to claim 9, is characterized in that, one or more for controlling in following power consumption equipment of described electronic control panel: electromagnetically operated valve, electromagnet, motor, temperature controller, solid-state relay and ac power switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520790671.2U CN205039793U (en) | 2015-10-12 | 2015-10-12 | Electronic control board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520790671.2U CN205039793U (en) | 2015-10-12 | 2015-10-12 | Electronic control board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205039793U true CN205039793U (en) | 2016-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520790671.2U Expired - Fee Related CN205039793U (en) | 2015-10-12 | 2015-10-12 | Electronic control board |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108254791A (en) * | 2018-01-18 | 2018-07-06 | 国网重庆市电力公司电力科学研究院 | A kind of Transient Electromagnetic Transmitter damping coalignment and method |
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2015
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108254791A (en) * | 2018-01-18 | 2018-07-06 | 国网重庆市电力公司电力科学研究院 | A kind of Transient Electromagnetic Transmitter damping coalignment and method |
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