CN205563263U - Failure diagnosis control circuit - Google Patents

Abstract

The utility model relates to a failure diagnosis control circuit, failure diagnosis control circuit include failure diagnosis treater, failure diagnosis reduction voltage circuit, input buffer circuit and converting circuit, and failure diagnosis treater electric connection inputs buffer circuit, and failure diagnosis reduction voltage circuit electric connection inputs buffer circuit, and converting circuit electric connection inputs buffer circuit. The installation the utility model discloses a failure diagnosis control circuit's intelligent dish washer, the automatic diagnostic tests trouble of intelligent dish washer to send warning standby signal, reduce maintenance work personnel's the preceding detection fault time of maintenance, improved work efficiency.

Description

A kind of fault diagnosis control circuit

Technical field

This utility model relates to a kind of circuit, particularly relates to a kind of fault diagnosis control circuit.

Background technology

Dish-washing machine is the equipment automatically cleaning the tablewares such as bowl, chopsticks, dish, dish, cutter, fork.Conventional dishwashing machine Controlling device and do not have fault diagnosis control circuit, when dish-washing machine fault, dish-washing machine does not has alarm, only Can be by manually going to investigate one by one fault, maintenance work Human Operator Procedures is complicated, and work efficiency is low.

Utility model content

For deficiency of the prior art, the purpose of this utility model is to provide a kind of fault diagnosis and controls electricity Road.

For solving the problems referred to above, this utility model discloses a kind of fault diagnosis control circuit, fault diagnosis control Circuit processed includes fault diagnosis processor, fault diagnosis reduction voltage circuit, input isolation circuit and change-over circuit, Fault diagnosis processor is electrically connected with input isolation circuit, and fault diagnosis reduction voltage circuit is electrically connected with input isolation Circuit, change-over circuit is electrically connected with input isolation circuit.

An embodiment according to the application, above-mentioned input isolation circuit includes commutation diode, nonpolarity electricity Holding and polarized electric capacity, polarity free capacitor and polarized electric capacity are in parallel, and it has the first end and the second end, whole The positive pole of stream diode is electrically connected with fault diagnosis processor, fault diagnosis reduction voltage circuit and change-over circuit, its Negative pole is electrically connected with the first end, the second end ground connection.

Compared with prior art, this utility model can obtain and include techniques below effect:

Fault diagnosis control circuit of the present utility model, system automatic diagnostic detection fault, and send warning Cue, reduces the detection fault time before the maintenance of maintenance work personnel, improves work efficiency.

Accompanying drawing explanation

Fig. 1 is the block chart of the fault diagnosis circuit of this utility model one embodiment；

Fig. 2 is the input isolation circuit figure of this utility model one embodiment；

Fig. 3 is the block chart controlling device of the Intelligent dish washing machine of this utility model one embodiment.

Detailed description of the invention

To schematically disclose multiple embodiments of the application below, as clearly stated, in many practices Details will be explained in the following description.It should be appreciated, however, that the details in these practices is not applied To limit the application.It is to say, in the some embodiments of the application, the details in these practices is Non-essential.Additionally, for simplify graphic for the sake of, some known usual structures and assembly in the drawings will be with Simply illustrative mode illustrates it.

About it " first ", " second " etc. used herein, the most especially denotion order or cis-position The meaning, is also not used to limit the application, its be only used to the assembly that describes with constructed term of difference or Operation.

Refer to the block chart that Fig. 1, Fig. 1 are the fault diagnosis circuits 101 of this utility model one embodiment. As it can be seen, fault diagnosis control circuit 101 includes fault diagnosis processor 1011, fault diagnosis blood pressure lowering electricity Road 1012, input isolation circuit 1013 and change-over circuit 1014, fault diagnosis reduction voltage circuit 1012 and conversion electricity Road 1014 is electrically connected with input isolation circuit 1013 respectively, and input isolation circuit 1013 processes with fault diagnosis Device 1011 is electrically connected with, fault diagnosis reduction voltage circuit 1012 with treat that the diagnostic equipment is connected, treat that the diagnostic equipment is respectively Produce voltage signal, and transmit voltage signal to fault diagnosis reduction voltage circuit 1012, fault diagnosis reduction voltage circuit 1012 voltages reducing voltage signal, and the voltage signal through blood pressure lowering is sent to input isolation circuit 1013, Voltage signal is sent to fault diagnosis processor 1011, failure processor 1011 by input isolation circuit 1013 again The whether normal operation of the pending fault diagnostic equipment is judged according to voltage signal.Referring to Fig. 2, Fig. 2 the most in the lump is this reality Input isolation circuit figure with a novel embodiment.The input isolation circuit 1013 of the application also includes rectification Diode 1013a, polarity free capacitor 1013b and polarized electric capacity 1013c, polarity free capacitor 1013b and have pole Property electric capacity 1013c in parallel, it has the first end 1013d and the second end 1013e, and commutation diode 1013a is just Pole is electrically connected with fault diagnosis processor 1011, fault diagnosis reduction voltage circuit 1012 and change-over circuit 1014, its Negative pole is electrically connected with the first end 1013d, the second end 1013e ground connection.

It is the control device of the Intelligent dish washing machine of this utility model one embodiment the most in the lump refering to Fig. 3, Fig. 3 Block chart.As it can be seen, fault diagnosis circuit 101 of the present utility model is applied to the control of Intelligent dish washing machine 1 During device, Intelligent dish washing machine control device control Intelligent dish washing machine enter draining heater, clean device And decontaminating apparatus work, wherein control device and include integral control circuit 102, touch input control circuit 103, draining heating control circuit 104, cleaning control circuit 105, sterilization control circuit 106, power supply control are entered Circuit 107 processed, detection control circuit 108 and fault diagnosis circuit 107, integral control circuit 102, touch Input control circuit 103, enter draining heating control circuit 104, cleaning control circuit 105, sterilization control electricity Road 106, detection control circuit 108 and fault diagnosis circuit 101 are electrically connected with power control circuit 107, touch Control formula input control circuit 103, enter draining heating control circuit 104, cleaning control circuit 105, sterilization control Circuit 106 processed, detection control circuit 108 and fault diagnosis circuit 101 electrically connect with integral control circuit 102 Connect, enter draining heating control circuit 104, cleaning control circuit 105 and sterilization control circuit 106 and connect respectively Entering draining heater, clean device and decontaminating apparatus, integral control circuit 102 controls to add hot charging into draining Put, clean device and decontaminating apparatus is carried out into draining heating, the work cleaning or sterilize.

Function mode of the present utility model is, external power source supplies power to power control circuit 107, power supply Control circuit 107 provide corresponding voltage to integral control circuit 102, touch input control circuit 103, Enter draining heating control circuit 104, cleaning control circuit 105, sterilization control circuit 106, detection control electricity Road 108 and fault diagnosis circuit 104, make integral control circuit 102, touch input control circuit 103, enter Draining heating control circuit 104, cleaning control circuit 105, sterilization control circuit 106, detection control circuit 108 and fault diagnosis circuit 101 can normal operation.Contact control input device input control instruction, intelligence washes the dishes Machine start, integral control circuit 102, touch input control circuit 103, enter draining heating control circuit 104, Cleaning control circuit 105, sterilization control circuit 106, detection control circuit 108 detect voluntarily, and detection Signal transmits to fault diagnosis reduction voltage circuit 1012 or change-over circuit 1014, carries out blood pressure lowering or current signal turns Change voltage signal into process, be then sent to input isolation circuit 1013；Or detection signal is directly passed Transporting to input isolation circuit 1013, input isolation circuit 1013 transmits detectable voltage signals to device at fault diagnosis 1011, fault diagnosis processor 1011 transmits diagnostic signal integral control circuit 102, touch input controls Circuit 103, enter draining heating control circuit 104, cleaning control circuit 105, sterilization control circuit 106, inspection Survey control circuit 108 fault to show to contact control input device.

In sum, in one or more embodiment of the present utility model, intelligence of the present utility model is installed and washes Bowl machine, Intelligent dish washing machine automatic diagnostic detection fault, and send alarm signal, reduce maintenance work Detection fault time before the maintenance of personnel, improve work efficiency.

Upper described only presently filed embodiment, is not limited to the application.For this area skill For art personnel, the application can have various modifications and variations.All in spirit herein with the interior institute of principle Any modification, equivalent substitution and improvement etc. made, within the scope of all should being included in claims hereof.

Claims (2)

1. a fault diagnosis control circuit, it is characterised in that described fault diagnosis control circuit includes turning Change circuit, input isolation circuit, fault diagnosis reduction voltage circuit and fault diagnosis processor, described change-over circuit Being electrically connected with described input isolation circuit, described fault diagnosis reduction voltage circuit is electrically connected with described input isolation electricity Road, described input isolation circuit is electrically connected with described fault diagnosis processor.

Fault diagnosis control circuit the most according to claim 1, it is characterised in that described input is isolated Circuit includes commutation diode, polarity free capacitor and polarized electric capacity, described polarity free capacitor and described in have pole Property electric capacity in parallel, it has the first end and the second end, the positive pole of described commutation diode be electrically connected with described therefore Barrier diagnostic processor, described fault diagnosis reduction voltage circuit and described change-over circuit, its negative pole is electrically connected with first End, the second end ground connection.