CN104090178A - Ionitriding equipment fault diagnosis system - Google Patents

Ionitriding equipment fault diagnosis system Download PDF

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Publication number
CN104090178A
CN104090178A CN201410262046.0A CN201410262046A CN104090178A CN 104090178 A CN104090178 A CN 104090178A CN 201410262046 A CN201410262046 A CN 201410262046A CN 104090178 A CN104090178 A CN 104090178A
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China
Prior art keywords
node
detecting device
site detecting
equipment
ionic nitriding
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CN201410262046.0A
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CN104090178B (en
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蔡利民
李鹏
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Jianghan University
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Jianghan University
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Abstract

The invention discloses an ionitriding equipment fault diagnosis system, and belongs to the field of ionitriding. The system comprises an onsite detection device connected with ionitriding equipment and a diagnosis device connected with the onsite detection device. The onsite detection device is used for obtaining the parameter of each node of the ionitriding equipment. The nodes comprise a power system of the ionitriding equipment, a circuit in a motion control panel and vacuum system, and a furnace body, an anode and a cathode of the ionitriding equipment. The parameters of the nodes comprise node current values, node voltage values, node switching quantity data, node temperatures and node vacuum degrees. The switching quantity data comprise connection and disconnection. The diagnosis device is used for determining whether the ionitriding equipment fails according to the parameters of the nodes and outputting a diagnosis result. The fault diagnosis accuracy is high, and subsequent maintenance is facilitated.

Description

Ionic nitriding Fault Diagnosis of Mechanical Equipment
Technical field
The present invention relates to ionic nitriding field, particularly a kind of ionic nitriding Fault Diagnosis of Mechanical Equipment.
Background technology
Ionic nitriding equipment is to utilize this physical phenomenon of glow discharge to metal material surface strengthening formation nitration case, so that metal material reaches case-hardened equipment.
Take ion nitriding furnace as example, and ion nitriding furnace is comprised of body of heater, power-supply system, action control plate, vacuum system, air supply system, process control system five parts.Body of heater is comprised of bell, cylindrical shell, furnace hearth plate and underframe, wherein bell, cylindrical shell, furnace hearth plate interlayer lead to chilled water, in stove, be provided with stainless steel, alloy aluminum double thermal insulation screen, body of heater is provided with double-deck tempered glass, for observing the use of situation in stove in ionic nitriding process.Vacuum system is generally comprised of the piping system of dish valve two rotary-vane vaccum pumps and string, and the effect of dish valve is by closing or rotating different angular adjustment rates of air sucked in required to maintain pressure in stove.The air supply pipe import of air supply system is located on cylindrical shell.Process control system is used for controlling the temperature and pressure in stove, and by negative and positive very ionic nitriding ion gun is provided.Power-supply system provides power supply for above-mentioned vacuum pump and process control system.Action control plate is for controlling the switch of each system.
In realizing process of the present invention, inventor finds that prior art at least exists following problem:
The fault of ion nitriding furnace can not be found in time, and when ion nitriding furnace breaks down, fault diagnosis and maintenance are all to rely on maintenance personal's experience to carry out, and maintenance cost is high, and easily affects the production of enterprise.
Summary of the invention
In order to solve the fault of prior art intermediate ion nitrogenize equipment, can not find in time, and when ionic nitriding equipment breaks down, fault diagnosis and maintenance are all the problems that relies on maintenance personal's experience to carry out, and the embodiment of the present invention provides a kind of ionic nitriding Fault Diagnosis of Mechanical Equipment.Described technical scheme is as follows:
The embodiment of the present invention provides a kind of ionic nitriding Fault Diagnosis of Mechanical Equipment, and described system comprises: the on-site detecting device connected with ionic nitriding equipment, the diagnostic device being connected with described on-site detecting device;
Described on-site detecting device, for obtaining the parameter of the node of described ionic nitriding equipment, the node of described ionic nitriding equipment comprises circuit in power-supply system, action control plate and the vacuum system of described ionic nitriding equipment and the body of heater harmonizing yinyang utmost point of described ionic nitriding equipment, the parameter of described node comprises the current value of node, the switching value data of the magnitude of voltage of node, node, node temperature and node vacuum, and described switching value data comprises and switching on and off;
Diagnostic device, for judging according to the parameter of described node whether described ionic nitriding equipment breaks down, and export diagnostic result, whether described diagnostic result is used to indicate described ionic nitriding equipment and breaks down, and when described ionic nitriding device fails, the position of indication fault and fault type.
In a kind of implementation of the embodiment of the present invention, described on-site detecting device comprises:
Be located at the additional device on the circuit in power-supply system, action control plate and the vacuum system of described ionic nitriding equipment, and the Acquisition Circuit being connected with described additional device, described additional device comprises disconnecting relay, AC current sensor, AC voltage sensor, DC current sensor and direct current voltage sensor.
In the another kind of implementation of the embodiment of the present invention, described on-site detecting device comprises:
The first disconnecting relay of whether connecting for detection of overhead control power supply in described power-supply system;
The second disconnecting relay of whether connecting for detection of described power-supply system mesohigh contactor;
For detection of whether normal the 3rd disconnecting relay of three-phase supply in described power-supply system, the 4th disconnecting relay and the 5th disconnecting relay;
A plurality of AC current sensor and AC voltage sensor for detection of transformer working condition in described power-supply system;
DC current sensor for detection of described anode and cathode electric current.
In the another kind of implementation of the embodiment of the present invention, described on-site detecting device comprises:
Temperature sensing circuit, for detection of the temperature in described body of heater, described temperature sensing circuit comprises the temperature sensor of being located in described body of heater.
In the another kind of implementation of the embodiment of the present invention, described on-site detecting device comprises:
Vacuum tightness testing circuit, for detection of the vacuum tightness in described body of heater, described vacuum tightness testing circuit comprises the vacuum sensor of being located in described body of heater.
In the another kind of implementation of the embodiment of the present invention, described on-site detecting device is connected by network with described diagnostic device.
In the another kind of implementation of the embodiment of the present invention, described on-site detecting device comprises:
The first transport module, for the parameter of described node is sent to described diagnostic device, and receives the described diagnostic result that described diagnostic device sends;
Output module, the described diagnostic result receiving for exporting described the first transport module.
In the another kind of implementation of the embodiment of the present invention, described diagnostic device comprises:
The second transport module, for receiving the parameter of the described node of described on-site detecting device transmission, and sends to described on-site detecting device by described diagnostic result.
In the another kind of implementation of the embodiment of the present invention, described diagnostic device, comprising:
Instruction generation module, for generating test instruction, described test instruction is used to indicate the parameter that described on-site detecting device obtains the node of described ionic nitriding equipment.
In the another kind of implementation of the embodiment of the present invention, described on-site detecting device comprises:
Warning module, when indicating described ionic nitriding equipment to break down at described diagnostic result, reports to the police.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is:
By the on-site detecting device connected with ionic nitriding equipment, the diagnostic device being connected with on-site detecting device are set, this on-site detecting device is for obtaining the parameter of the node of ionic nitriding equipment, diagnostic device is used for judging according to the parameter of node whether ionic nitriding equipment breaks down, and exports diagnostic result; The parameter of node comprises the current value of node, the switching value data of the magnitude of voltage of node, node, node temperature, node vacuum, switching value data comprises and switching on and off, and node comprises circuit in power-supply system, action control plate and the vacuum system of ionic nitriding equipment and the body of heater harmonizing yinyang utmost point of ionic nitriding equipment; When ionic nitriding equipment breaks down, the parameter of the node that diagnostic device gets by on-site detecting device can be diagnosed the place of being out of order, avoided the fault of prior art intermediate ion nitrogenize equipment not find in time, when ionic nitriding equipment breaks down, the problem that fault diagnosis relies on maintenance personal's experience to carry out, the accurate efficiency of fault diagnosis is high, be convenient to follow-up maintenance, and cost is low.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the ionic nitriding Fault Diagnosis of Mechanical Equipment structural representation that the embodiment of the present invention provides;
Fig. 2 is the on-site detecting device structural representation that the embodiment of the present invention provides;
Fig. 3 is the diagnostic device structural representation that the embodiment of the present invention provides.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment
The embodiment of the present invention provides a kind of ionic nitriding Fault Diagnosis of Mechanical Equipment, and referring to Fig. 1~Fig. 3, this system comprises:
The on-site detecting device 2 connected with ionic nitriding equipment 1, the diagnostic device 3 being connected with on-site detecting device 2;
On-site detecting device 2, for obtaining the parameter of the node of ionic nitriding equipment, the node of ionic nitriding equipment comprises circuit in power-supply system, action control plate and the vacuum system of ionic nitriding equipment and the body of heater harmonizing yinyang utmost point of ionic nitriding equipment, the parameter of node comprises the current value of node, the switching value data of the magnitude of voltage of node, node, node temperature, node vacuum, and switching value data comprises and switching on and off;
Diagnostic device 3, for judging according to the parameter of node whether ionic nitriding equipment breaks down, and exports diagnostic result.
This diagnostic result comprises whether ionic nitriding equipment breaks down, and when ionic nitriding device fails, the particular content of indication fault, the particular content of this fault can refer to location of fault and fault type.
In a kind of implementation of the embodiment of the present invention, on-site detecting device 2 comprises:
Be located at the additional device 21 on the circuit in power-supply system, action control plate and the vacuum system of ionic nitriding equipment 1, and the Acquisition Circuit 22 being connected with additional device, additional device comprises disconnecting relay, AC current sensor, AC voltage sensor, DC current sensor and direct current voltage sensor.
In the present embodiment, in this Acquisition Circuit 22, can comprise for analog quantity being converted to the analog to digital converter of digital quantity.
Wherein, AC current sensor can be isolated AC current sensor; AC voltage sensor can be isolated AC voltage sensor; DC current sensor can be isolated DC current sensor; Direct current voltage sensor can be isolated DC voltage sensor.
Particularly, on-site detecting device 2 can comprise:
The first disconnecting relay of whether connecting for detection of overhead control power supply in power-supply system.
The second disconnecting relay of whether connecting for detection of power-supply system mesohigh contactor.
For detection of whether normal the 3rd disconnecting relay of three-phase supply in power-supply system, the 4th disconnecting relay and the 5th disconnecting relay.
A plurality of AC current sensor and AC voltage sensor for detection of transformer working condition in power-supply system.
DC current sensor for detection of anode and cathode electric current.
Aforementioned additional device 21 is when work, whether the device that is used to refer to its detection normally works, be that data and the switching value that diagnostic device 3 can record according to annex device 21 judges whether its corresponding device normally works, for example, when the first disconnecting relay is connected, overhead control power connection in power-supply system, when this first disconnecting relay disconnects, overhead control power supply access failure in power-supply system.
Further, in this on-site detecting device 2, more additional device 21 can also be set to be detected with the device duty in circuit, as detect the disconnecting relay of chopper circuit fault, detect the disconnecting relay of the overcurrent automatic switch folding of vacuum pump, detect the whether normal disconnecting relay of three-phase supply of vacuum pump, detect the whether disconnecting relay of fault of radiating circuit, detect the AC voltage sensor of transformer-secondary voltage, detect the DC current sensor of the mean value of pulse direct current electric current in power-supply system.In the circuit of the function access ionic nitriding equipment that additional device 21 need to be realized according to it.
This design makes fault diagnosis system to carry out fault detect to each device in the circuit of ionic nitriding equipment, has guaranteed accuracy and the accuracy of fault diagnosis.
In the another kind of implementation of the embodiment of the present invention, on-site detecting device 2 comprises:
Temperature sensing circuit 23, for detection of the temperature in body of heater, temperature sensing circuit comprises the temperature sensor of being located in body of heater.
In the another kind of implementation of the embodiment of the present invention, on-site detecting device comprises:
Vacuum tightness testing circuit 24, for detection of the vacuum tightness in body of heater, vacuum tightness testing circuit comprises the vacuum sensor of being located in body of heater.
In the present embodiment, diagnostic device 3 can go to judge whether fault of vacuum system or process control system according to the temperature of body of heater and vacuum tightness, and when fault, can also circuit corresponding in power-supply system, action control plate be detected, thereby fault is accurately located.
In a kind of implementation of the embodiment of the present invention, on-site detecting device 2 is connected by network with diagnostic device 3, and this diagnostic device 3 can be tele-diagnostic device, thereby it is separated with diagnostic device 3 to realize on-site detecting device 2, reaches the effect of remote diagnosis.Particularly, it can be both that cable network connects that the network here connects, and also can adopt wireless network to connect.
In the another kind of implementation of the embodiment of the present invention, this diagnostic device 3 can also be arranged on on-the-spot diagnostic device.Or a field diagnostic device and a tele-diagnostic device are set simultaneously, to meet the demand of fault detect.
Further, on-site detecting device 2 comprises:
The first transport module 25, for the parameter of node is sent to diagnostic device 3, and receives the diagnostic result that diagnostic device 3 sends.The first transport module 25 can be both wire transmission module, can be also wireless transport module.
Output module 26, the diagnostic result receiving for exporting the first transport module 25.Being convenient to technician checks and keeps in repair.
Diagnostic device 3 comprises:
The second transport module 31, for receiving the parameter of the node of on-site detecting device 2 transmissions, and sends to on-site detecting device 2 by diagnostic result.The second transport module 31 can be both wire transmission module, can be also wireless transport module.
In the another kind of implementation of the embodiment of the present invention, diagnostic device 3 also comprises:
Instruction generation module 32, for generating test instruction, test instruction is used to indicate the parameter that on-site detecting device 2 obtains the node of ionic nitriding equipment.This test instruction sends to on-site detecting device 2 by the second transport module 31.
Further, on diagnostic device 3, load module and display module can be set, load module can be selected for technician the node of ionic nitriding equipment to be diagnosed, except carrying out, comprehensive diagnostic, can also specifying the node that will diagnose to ionic nitriding equipment.
On-site detecting device 2 is after receiving test instruction, obtain the parameter of corresponding node, and the parameter of node is sent to diagnostic device 3, when sending, also need to show the corresponding additional device of parameter of each node, for example in the parameter of node, add the label of additional device, to mark the additional device corresponding to parameter of node.
Diagnostic device 3 is after receiving the parameter of node, according to the annex device corresponding to parameter of this node wherein marking, by the corresponding relation of device in additional device and node, judge device in the corresponding node of parameter of this node, then judge whether fault of this device according to the value of the parameter of node.
Here according to the value of the parameter of node, judge whether fault can adopt following manner to realize to this device:
The corresponding relation of the parameter value that is preset with node in diagnostic device 3 fault with whether, then according to this corresponding relation failure judgement whether diagnostic device 3.
This corresponding relation comprises: whether the value of switching value data (being switched on or switched off) and corresponding device fault corresponding relation; Whether current value, magnitude of voltage and corresponding device fault corresponding relation; Whether temperature, vacuum tightness and corresponding device fault corresponding relation.
Wherein, switching value data can be to disconnect corresponding fault, connects not fault of correspondence; And for current value, magnitude of voltage, temperature, vacuum tightness, can be the scope correspondence fault not of current value, magnitude of voltage, temperature or a vacuum tightness, corresponding fault outside scope.The corresponding relation here, is according to the circuit theory diagrams analysis of ionic nitriding equipment is obtained on the one hand, collects on the other hand when ionic nitriding equipment generation physical fault.
For example, technician specifies in diagnosis power-supply system during overhead control power supply, can generate the test instruction of overhead control power supply in diagnosis power-supply system.On-site detecting device 2, after receiving this test instruction, obtains the switching value data of the first disconnecting relay, and this switching value data is sent to diagnostic device 3, marks corresponding the first disconnecting relay of this switching value data when sending.Diagnostic device 3 receives after this switching value data, determines that this first disconnecting relay is corresponding with overhead control power supply in power-supply system, then according to the value of switching value data, judges in power-supply system whether fault of overhead control power supply.Particularly, when this switching value data is connection, in power-supply system, overhead control power supply, for connecting, does not break down.When this switching value data is disconnection, overhead control power supply access failure in power-supply system, breaks down.Diagnostic device 3 is exported diagnostic result according to judgement, and sends to on-site detecting device 2.In addition, the parameter that all right displaying scene pick-up unit 2 of diagnostic device 3 sends and the diagnostic result of output.
In the another kind of implementation of the embodiment of the present invention, on-site detecting device 2 comprises:
Warning module 27, for when diagnostic result indication ion nitrogenize equipment breaks down, reports to the police.
Particularly, this warning module 27 can comprise acousto-optic warning unit.
Technician, when knowing that ionic nitriding equipment breaks down, according to the particular content of fault in diagnostic result, carries out device repairing, the work such as module replacing, thus can within the shortest time, repair ionic nitriding equipment.
The embodiment of the present invention is by arranging the on-site detecting device connected with ionic nitriding equipment, the diagnostic device being connected with on-site detecting device, this on-site detecting device is for obtaining the parameter of the node of ionic nitriding equipment, diagnostic device is used for judging according to the parameter of node whether ionic nitriding equipment breaks down, and exports diagnostic result; The parameter of node comprises the current value of node, the switching value data of the magnitude of voltage of node, node, node temperature, node vacuum, switching value data comprises and switching on and off, and node comprises circuit in power-supply system, action control plate and the vacuum system of ionic nitriding equipment and the body of heater harmonizing yinyang utmost point of ionic nitriding equipment; When ionic nitriding equipment breaks down, the parameter of the node that diagnostic device gets by on-site detecting device can be diagnosed the place of being out of order, avoided the fault of prior art intermediate ion nitrogenize equipment not find in time, when ionic nitriding equipment breaks down, the problem that fault diagnosis relies on maintenance personal's experience to carry out, the accurate efficiency of fault diagnosis is high, be convenient to follow-up maintenance, and cost is low.
One of ordinary skill in the art will appreciate that all or part of step that realizes above-described embodiment can complete by hardware, also can come the hardware that instruction is relevant to complete by program, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be ROM (read-only memory), disk or CD etc.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.

Claims (10)

1. an ionic nitriding Fault Diagnosis of Mechanical Equipment, is characterized in that, described system comprises: the on-site detecting device connected with ionic nitriding equipment, the diagnostic device being connected with described on-site detecting device;
Described on-site detecting device, for obtaining the parameter of each node of described ionic nitriding equipment, the node of described ionic nitriding equipment comprises circuit in power-supply system, action control plate and the vacuum system of described ionic nitriding equipment and the body of heater harmonizing yinyang utmost point of described ionic nitriding equipment, the parameter of described node comprises the current value of node, the switching value data of the magnitude of voltage of node, node, node temperature and node vacuum, and described switching value data comprises and switching on and off;
Diagnostic device, for judging according to the parameter of described node whether described ionic nitriding equipment breaks down, and export diagnostic result, whether described diagnostic result is used to indicate described ionic nitriding equipment and breaks down, and when described ionic nitriding device fails, the position of indication fault and fault type.
2. system according to claim 1, is characterized in that, described on-site detecting device comprises:
Be located at the additional device on the circuit in power-supply system, action control plate and the vacuum system of described ionic nitriding equipment, and the Acquisition Circuit being connected with described additional device, described additional device comprises disconnecting relay, AC current sensor, AC voltage sensor, DC current sensor and direct current voltage sensor.
3. system according to claim 2, is characterized in that, described on-site detecting device comprises:
The first disconnecting relay of whether connecting for detection of overhead control power supply in described power-supply system;
The second disconnecting relay of whether connecting for detection of described power-supply system mesohigh contactor;
For detection of whether normal the 3rd disconnecting relay of three-phase supply in described power-supply system, the 4th disconnecting relay and the 5th disconnecting relay;
A plurality of AC current sensor and AC voltage sensor for detection of transformer working condition in described power-supply system;
DC current sensor for detection of described anode and cathode electric current.
4. system according to claim 1, is characterized in that, described on-site detecting device comprises:
Temperature sensing circuit, for detection of the temperature in described body of heater, described temperature sensing circuit comprises the temperature sensor of being located in described body of heater.
5. system according to claim 1, is characterized in that, described on-site detecting device comprises:
Vacuum tightness testing circuit, for detection of the vacuum tightness in described body of heater, described vacuum tightness testing circuit comprises the vacuum sensor of being located in described body of heater.
6. system according to claim 1, is characterized in that, described on-site detecting device is connected by network with described diagnostic device.
7. system according to claim 6, is characterized in that, described on-site detecting device comprises:
The first transport module, for the parameter of described node is sent to described diagnostic device, and receives the described diagnostic result that described diagnostic device sends;
Output module, the described diagnostic result receiving for exporting described the first transport module.
8. system according to claim 6, is characterized in that, described diagnostic device comprises:
The second transport module, for receiving the parameter of the described node of described on-site detecting device transmission, and sends to described on-site detecting device by described diagnostic result.
9. according to the system described in claim 1-8 any one, it is characterized in that, described diagnostic device, comprising:
Instruction generation module, for generating test instruction, described test instruction is used to indicate the parameter that described on-site detecting device obtains the node of described ionic nitriding equipment.
10. according to the system described in claim 1-8 any one, it is characterized in that, described on-site detecting device comprises:
Warning module, when indicating described ionic nitriding equipment to break down at described diagnostic result, reports to the police.
CN201410262046.0A 2014-06-12 2014-06-12 Ionitriding equipment fault diagnosis system Expired - Fee Related CN104090178B (en)

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