CN207586667U - The setter arrange parameter circuit that a kind of governor uses - Google Patents

Abstract

The utility model is related to the setter arrange parameter circuits that a kind of governor uses; it is characterised in that it includes control chip, the communication interface being electrically connected with the control chip, power circuit, the interface protective circuit being connected between the communication interface and the control chip and the key circuit for adjusting the control chip parameter；The input terminal of the communication interface connects the output terminal of the communication control circuit, and the input terminal of the communication control circuit connects the control chip；The power circuit is electrically connected with the communication interface；By data interface circuit, the inside parameters setting to governor is carried out, optimum efficiency during reaching use；This circuit has the advantages of circuit is simple, easy to operate.

Description

The setter arrange parameter circuit that a kind of governor uses

Technical field

The utility model is related to field of circuit technology, are set more specifically to the setter that a kind of governor uses Parametric circuit.

Background technology

Governor is a kind of self-checking device, the variation that it meets according to diesel engine, automatically increases or decreases the fuel feeding of injection pump Amount enables diesel engine to be run with stable rotating speed, governor industrial direct current motor speed governing, industrial conveyor-line speed governing, The products kinds such as lighting adjusting, computer power supply heat dissipation, direct current electric fan are used widely；But inside traditional governor Many parameters can not all adjust.

Utility model content

The technical problem to be solved by the present invention is to for the drawbacks described above of the prior art, provide a kind of governor The setter arrange parameter circuit used.

The utility model first aspect provides the setter arrange parameter circuit that a kind of governor uses, including controlling core Piece, with it is described control chip be electrically connected communication interface, power circuit, be connected to the communication interface with it is described control chip it Between interface protective circuit and adjust it is described control chip parameter key circuit；The input terminal connection institute of the communication interface The output terminal of communication control circuit is stated, the input terminal of the communication control circuit connects the control chip；The power circuit It is electrically connected with the communication interface.

Preferably, the communication control circuit includes first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th electricity Resistance, the first triode and the second triode；First pin of the communication interface connects the first resistor and described second Resistance one end and the base stage of the triode, the TXD pins of the second resistance other end connection control chip；It is described The collector of triode connects one end and the 4th resistance one end of the 3rd resistor, and the 3rd resistor other end connects institute The 5th resistance one end is stated, the 4th resistance other end connects second transistor base, and the 5th resistance other end connects Connect the collector of second triode and the RXD pins of the control chip；The first resistor other end and described First transistor emitter and the second triode emission polar region connection.

Preferably, the key circuit include the first button, the second button, third button, the 4th button, the 6th resistance, 7th resistance, the 8th resistance, the 9th resistance, the first capacitance, the second capacitance, third capacitance and the 4th capacitance；First button The pin PD5 of one end connection control chip and described 6th resistance one end and described first capacitance one end, described the The pin PD6 of two button one end connection control chip press by the 7th resistance one end and second capacitance one end, the third The pin PD7 of key one end connection control chip and the 8th resistance one end and third capacitance one end, the 4th button The PD4 pins of one end connection control chip and the 9th resistance one end and the 4th capacitance one end, the 6th resistance are another One end connects power supply and the 7th resistance other end and the 8th resistance other end and the 9th resistance other end, and described first presses The key other end connects the second button other end and the third button other end and the 4th button other end and the first electricity Hold the other end and the second capacitance other end and the third capacitance other end and the 4th capacitance other end.

Preferably, including LCD display circuit, the LCD display circuit output terminal is connected with LCD display.

The utility model advantageous effect is：During work, governor is accessed by communication interface, is inputted by key circuit The parameter of governor, the Parameter Switch that control chip inputs key circuit by communication control circuit and lead to for low and high level Communication interface is input in governor, adjusts the parameter of governor；By data interface circuit, carry out every to the inside of governor Parameter setting, optimum efficiency during reaching use；This circuit has the advantages of circuit is simple, easy to operate.

Description of the drawings

In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below in conjunction with attached drawing and reality Applying example, the utility model is described in further detail, and the accompanying drawings in the following description is only the section Example of the present invention, for this For the those of ordinary skill of field, without creative efforts, it is attached to can also be obtained according to these attached drawings other Figure：

Fig. 1 is the circuit theory of setter arrange parameter circuit that the governor of the utility model preferred embodiment uses Figure.

Specific embodiment

In order to make the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with this practicality Technical solution in new embodiment carries out clear, complete description, it is clear that described embodiment is the portion of the utility model Divide embodiment rather than whole embodiments.Based on the embodiment of the present invention, those of ordinary skill in the art are not paying creation Property labour under the premise of all other embodiments obtained, belong to the scope of protection of the utility model.

The setter arrange parameter circuit that the governor of the utility model preferred embodiment uses is as shown in Figure 1, including control Coremaking piece 1, power circuit 3, is connected between communication interface 2 and control chip 1 communication interface 2 being electrically connected with control chip 1 1 parameter of communication control circuit 4 and adjusting control chip key circuit 5；The input terminal connecting communication control of communication interface 2 The output terminal of circuit 4 processed, the input terminal connection control chip 1 of communication control circuit 4；Power circuit 3 is electrically connected with communication interface 2 It connects；

Control the model 5SMMEGA88 of chip 1；During work, governor is accessed by communication interface, passes through key circuit The parameter of governor is inputted, the Parameter Switch that control chip 1 inputs key circuit passes through communication control circuit for low and high level And communication interface is input in governor, adjusts the parameter of governor；By data interface circuit, carry out in governor The setting of portion parameters, optimum efficiency during reaching use；This circuit has the advantages of circuit is simple, easy to operate.

The setter arrange parameter circuit that the governor of the utility model preferred embodiment uses is as shown in Figure 1, communication control Circuit 3 processed includes first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, the 5th resistance R5, the first triode Q1 and the second triode Q2；The first pin connection first resistor R1 of communication interface 2 and second resistance R2 one end and first The base stage of triode Q1, the TXD pins of second resistance R2 other ends connection control chip 1；The collector connection third of triode One end of resistance R3 and the 4th resistance R4 one end, the 3rd resistor R3 other ends connect the 5th resistance R5 one end, the 4th resistance R4 The other end connects the second triode Q2 base stages, and the 5th resistance R5 other ends connect the collector of the second triode Q2 and control core The RXD pins of piece 1；The first resistor R1 other ends and the first triode Q1 emitters and the second triode Q2 transmitting polar region connect It connects；Low and high level is input to by this circuit connected at communication interface, by controlling the first triode and the second triode Conducting state, respectively this be not input to the level in governor, so as to achieve the purpose that adjust governor parameter.

The setter arrange parameter circuit that the governor of the utility model embodiment uses is as shown in Figure 1, key circuit 5 wraps Include the first button K1, the second button K2, third button K3, the 4th button K4, the 6th resistance R6, the 7th resistance R7, the 8th resistance R8, the 9th resistance R9, the first capacitance C1, the second capacitance C2, third capacitance C3 and the 4th capacitance C4；First button K1 one end connects Connect the pin PD5 for controlling chip 1 and the 6th resistance R6 one end and first capacitance C1 one end, the connection control of second button K2 one end The 7th resistance R7 one end and second capacitance C2 one end, the connection of third button K3 one end control chip to the pin PD6 of coremaking piece 1 1 pin PD7 and the 8th resistance R8 one end and third capacitance C3 one end, the 4th button K4 one end connection 1, core of control PD4 pins and the 9th resistance R9 one end and the 4th capacitance C4R6 one end, the 6th resistance R6 other ends connection power supply VCC and The 7th resistance R7 other ends and the 8th resistance R8 other ends and the 9th resistance R9 other ends, the connection of the first button K1 other ends The second button K2 other ends and the third button K3 other ends and the 4th button K4 other ends and the first capacitance C1 other ends And second the capacitance C2 other ends and the third capacitance C3 other ends and the 4th capacitance C6 other ends；This key circuit is by setting Key switch is put, user selects the function and parameter to be set by press of key switch, this circuit is convenient and efficient, practicability It is high.

The setter arrange parameter circuit that the governor of the utility model preferred embodiment uses is as shown in Figure 1, including LCD Display circuit 6,6 output terminal of LCD display circuit are connected with LCD display 7；Display setting operation conditions so that user is more intuitive The parameter for seeing setting.

It should be understood that for those of ordinary skills, can be improved or converted according to the above description, And all these modifications and variations belong to the protection domain of the appended claims for the utility model.

Claims (4)

1. the setter arrange parameter circuit that a kind of governor uses, which is characterized in that including control chip and the control core The communication interface of piece electrical connection, power circuit, is connected between the communication interface and the control chip communication control circuit Interface protective circuit and adjust it is described control chip parameter key circuit；Described in the input terminal connection of the communication interface The output terminal of communication control circuit, the input terminal of the communication control circuit connect the control chip；The power circuit with The communication interface electrical connection.

2. the setter arrange parameter circuit that governor according to claim 1 uses, which is characterized in that the communication control Circuit processed includes first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance, the first triode and the two or three pole Pipe；First pin of the communication interface connects the first resistor and described second resistance one end and the triode Base stage, the TXD pins of the second resistance other end connection control chip；The collector connection described the of the triode One end of three resistance and the 4th resistance one end, described described 5th resistance one end of 3rd resistor other end connection, the described 4th The resistance other end connects second transistor base, and the 5th resistance other end connects the collector of second triode And the RXD pins of the control chip；The first resistor other end and first transistor emitter and described Second triode emission polar region connects.

3. the setter arrange parameter circuit that governor according to claim 1 uses, which is characterized in that the button electricity Road includes the first button, the second button, third button, the 4th button, the 6th resistance, the 7th resistance, the 8th resistance, the 9th electricity Resistance, the first capacitance, the second capacitance, third capacitance and the 4th capacitance；First button one end connection control chip draws Foot PD5 and described 6th resistance one end and described first capacitance one end, described second button one end connect the control core The 7th resistance one end and second capacitance one end, described third button one end connect the control chip to the pin PD6 of piece Pin PD7 and the 8th resistance one end and third capacitance one end, the PD4 of the 4th button one end connection control chip Pin and the 9th resistance one end and the 4th capacitance one end, the 6th resistance other end connection power supply and the 7th resistance are another One end and the 8th resistance other end and the 9th resistance other end, it is another that the first button other end connects second button One end and the third button other end and the 4th button other end and the first capacitance other end and the second capacitance other end And the third capacitance other end and the 4th capacitance other end.

4. the setter arrange parameter circuit that governor according to claim 1 uses, which is characterized in that shown including LCD Show circuit, the LCD display circuit output terminal is connected with LCD display.