CN202710689U - Rotary drilling rig wire harnesses short circuit and broken circuit automatic detection device - Google Patents
Rotary drilling rig wire harnesses short circuit and broken circuit automatic detection device Download PDFInfo
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- CN202710689U CN202710689U CN 201120490446 CN201120490446U CN202710689U CN 202710689 U CN202710689 U CN 202710689U CN 201120490446 CN201120490446 CN 201120490446 CN 201120490446 U CN201120490446 U CN 201120490446U CN 202710689 U CN202710689 U CN 202710689U
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- solenoid valve
- plc controller
- output voltage
- short circuit
- drilling rig
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- 238000005553 drilling Methods 0.000 title claims abstract description 29
- 238000001514 detection method Methods 0.000 title claims abstract description 27
- 238000001914 filtration Methods 0.000 claims description 5
- 238000005070 sampling Methods 0.000 abstract 3
- 230000015572 biosynthetic process Effects 0.000 abstract 2
- 230000009466 transformation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a rotary drilling rig wire harnesses short circuit and broken circuit automatic detection device. The device comprises a voltage sampling module, a PLC controller and a display screen. The voltage sampling module receives a solenoid valve action signal outputted by the PLC controller, and generates a corresponding driving signal after amplifies and filters the solenoid valve action signal, and outputs the corresponding driving signal to a corresponding solenoid valve, and at the same time, collects the output voltage of the solenoid valve and feeds back the same to the PLC controller; the PLC controller judges whether a short circuit fault or a broken circuit fault exists in the solenoid valve according to the output voltage fed back by the voltage sampling module and action states of the solenoid valve, and then, generates corresponding fault formation according to judgment results and outputs the corresponding fault formation; and the display screen receives the fault information outputted by the PLC controller and displays the same synchronously. Through adopting the above simple and low-cost technical schemes, automatic detection of the short circuit fault and the broken circuit fault of a rotary drilling rig can be realized with high efficiency.
Description
Technical field
The utility model relates to a kind of rotary drilling rig fault detection technique, relates in particular to the short circuit of a kind of rotary drilling rig wire harness and the automatic detection device that opens circuit.
Background technology
Short circuit and the problem that opens circuit are the problems that often runs in the engineering machinery circuit testing process.But, engineering machinery for this complexity of rotary drilling rig, its short circuit and open circuit fault detect very difficult, even sophisticated electrician also can only probably judge several possible positions of trouble spot, also to remove at last to disassemble these circuits to confirm the trouble spot, and if unfamiliar electrician, then can only one one remove to detect wire, waste time and energy like this, efficient is extremely low.Therefore, how can quick and precisely judge short circuit and the open circuit fault point of rotary drilling rig, reduce testing staff's labor capacity, improving detection efficiency is the technical matters that needs to be resolved hurrily at present.
The utility model content
The purpose of this utility model is to provide the short circuit of a kind of rotary drilling rig wire harness and the automatic detection device that opens circuit, and realizes the automatic detection to the short circuit of rotary drilling rig and open circuit fault point with simple, low-cost, high-level efficiency mode.
For achieving the above object, the utility model provides the short circuit of a kind of rotary drilling rig wire harness and the automatic detection device that opens circuit, comprise several voltage sample modules, the input end of each described voltage sample module links to each other with an output terminal of PLC controller, the output terminal of each described voltage sample module links to each other with the input end of a solenoid valve, wherein
Described voltage sample module, be used for receiving the solenoid valve actuating signal of described PLC controller output, it is amplified the solenoid valve of exporting to correspondence with the driving signal of afterwards generation correspondence of filtering, gather simultaneously the output voltage of described solenoid valve and it is fed back to described PLC controller;
Described PLC controller is used for judging according to output voltage and the described solenoid valve operating state of described voltage sample module feedback whether described solenoid valve exists short circuit or open circuit fault; After if described solenoid valve is received described driving signal, act accordingly and its output voltage consistent with its normal output voltage, judge that then described solenoid valve is normal; After if described solenoid valve is received described driving signal, do not act accordingly and its output voltage consistent with its normal output voltage, judge that then described solenoid valve opens circuit; After if described solenoid valve is received described driving signal, do not act accordingly and its output voltage less than first threshold, then judge described solenoid valve short circuit; If described solenoid valve is not received the output voltage of described driving signal and described solenoid valve greater than Second Threshold, judge that then described solenoid valve opens circuit; If described solenoid valve is not received the output voltage of described driving signal and described solenoid valve and less than described first threshold, is judged that then described solenoid valve is normal; Then generate corresponding failure message and output according to judged result;
Display screen is for the failure message that receives described PLC controller output and with its simultaneous display.
Rotary drilling rig wire harness of the present utility model short circuit and the automatic detection device that opens circuit, described voltage sample module are the driving chip with the wire harness fault detection capability.
Rotary drilling rig wire harness of the present utility model short circuit and the automatic detection device that opens circuit, the model of described driving chip with the wire harness fault detection capability is BTS723.
Rotary drilling rig wire harness of the present utility model short circuit and the automatic detection device that opens circuit, described first threshold are 0.7V, and described Second Threshold is 2.7V.
Rotary drilling rig wire harness of the present utility model short circuit and the automatic detection device that opens circuit comprise voltage sample module, PLC controller and display screen, the voltage sample module receives the solenoid valve actuating signal of PLC controller output, it is amplified the solenoid valve of exporting to correspondence with the driving signal of afterwards generation correspondence of filtering, gather simultaneously the output voltage of solenoid valve and it is fed back to the PLC controller; The PLC controller judges according to output voltage and the solenoid valve operating state of voltage sample module feedback whether solenoid valve exists short circuit or open circuit fault, then generates corresponding failure message and output according to judged result; And display screen receives the failure message of PLC controller output and with its simultaneous display, as seen, except the voltage sample module is newly-increased parts, PLC controller and display screen all are the original parts of rotary drilling rig, therefore, it is low that this device simply is easy to transformation, transformation and use cost, and realized that efficient is higher to the short circuit of rotary drilling rig and the automatic detection of open circuit fault point.
Description of drawings
Fig. 1 is the rotary drilling rig wire harness short circuit of an embodiment of the utility model and the electrical schematic diagram of the automatic detection device that opens circuit.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in detail:
With reference to shown in Figure 1, the rotary drilling rig wire harness short circuit of present embodiment and the automatic detection device that opens circuit comprise that several models are the driving chip (only drawing one of them among the figure as example) of BTS723, this driving chip belt has the wire harness fault detection capability, each input end that drives chip links to each other with an output terminal of the PLC controller of rotary drilling rig, each output terminal that drives chip links to each other with the input end of a solenoid valve of rotary drilling rig, the PLC controller then links to each other with the display screen of rotary drilling rig by the CAN bus, usually be provided with a plurality of solenoid valves on the rotary drilling rig, and this driving chip can only be realized the driving to two solenoid valves, therefore, driving chip should be according to the reasonable quantity setting of solenoid valve.
Wherein, drive the solenoid valve actuating signal that chip is used for receiving the output of PLC controller (take high level effectively as example), it is amplified the solenoid valve of exporting to correspondence with the driving signal of afterwards generation correspondence of filtering, gather simultaneously the output voltage of solenoid valve and it is fed back to the PLC controller.And the PLC controller is used for judging according to output voltage and the solenoid valve operating state of voltage sample module feedback whether solenoid valve exists short circuit or open circuit fault; After if solenoid valve is received and is driven signal, act accordingly and its output voltage consistent with its normal output voltage, judge that then solenoid valve is normal; After if solenoid valve is received and is driven signal, do not act accordingly and its output voltage consistent with its normal output voltage, judge that then solenoid valve opens circuit; After if solenoid valve is received and is driven signal, do not act accordingly and its output voltage less than 0.7V, then judge the solenoid valve short circuit; If solenoid valve is not received the output voltage that drives signal and solenoid valve and greater than 2.7V, is judged that then solenoid valve opens circuit; If solenoid valve is not received the output voltage that drives signal and solenoid valve and less than 0.7V, is judged that then solenoid valve is normal; Then generate corresponding failure code and output according to judged result; Display screen then is used for receiving the failure code of PLC controller output and its failure code and corresponding fault content synchronization is shown.
The course of work of the short circuit of above-mentioned rotary drilling rig wire harness and the automatic detection device that opens circuit is roughly as follows:
When rotary drilling rig will be made certain action, the solenoid valve actuating signal V1 of a high level of the corresponding output of PLC controller meeting, and corresponding driving chip is after receiving solenoid valve actuating signal V1, it is amplified the solenoid valve of exporting to correspondence with the driving signal V2 of afterwards generation correspondence of filtering, gather simultaneously the output voltage V 3 of solenoid valve and it fed back to the PLC controller (no matter whether the PLC controller exports V1, drive chip and all solenoid valve is carried out the output voltage collection), the PLC controller is after receiving output voltage V 3, judge that according to output voltage V 3 and solenoid valve operating state whether solenoid valve exists short circuit or open circuit fault, specifically judges as follows:
Solenoid valve receives and drives signal (namely judgement PLC controller has been exported solenoid valve actuating signal V1 indirectly), act accordingly and its output voltage consistent with its normal output voltage, judge that then solenoid valve is normal;
Solenoid valve receives and drives signal (namely judgement PLC controller has been exported solenoid valve actuating signal V1 indirectly), do not act accordingly and its output voltage consistent with its normal output voltage, judge that then solenoid valve opens circuit;
Solenoid valve receives and drives signal (namely judgement PLC controller has been exported solenoid valve actuating signal V1 indirectly), do not act accordingly and its output voltage less than 0.7V, then judge the solenoid valve short circuit;
Solenoid valve is not received and is driven signal (namely indirectly judging not output solenoid valve actuating signal V1 of PLC controller), and the output voltage of this solenoid valve judges then that greater than 2.7V solenoid valve opens circuit;
Solenoid valve is not received and is driven signal (namely indirectly judging not output solenoid valve actuating signal V1 of PLC controller), and the output voltage of this solenoid valve judges then that less than 0.7V solenoid valve is normal;
Then according to PLC controller judged result unusual situation is generated corresponding failure code and is sent to display screen by the CAN bus, by display screen failure code and corresponding fault content synchronization thereof are shown.
Above embodiment is described preferred implementation of the present utility model; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that the common engineering technical personnel in this area make the technical solution of the utility model all should fall in the definite protection domain of claims of the present utility model.
Claims (4)
1. rotary drilling rig wire harness short circuit and the automatic detection device that opens circuit, it is characterized in that, comprise several voltage sample modules, the input end of each described voltage sample module links to each other with an output terminal of PLC controller, the output terminal of each described voltage sample module links to each other with the input end of a solenoid valve, wherein
Described voltage sample module, be used for receiving the solenoid valve actuating signal of described PLC controller output, it is amplified the solenoid valve of exporting to correspondence with the driving signal of afterwards generation correspondence of filtering, gather simultaneously the output voltage of described solenoid valve and it is fed back to described PLC controller;
Described PLC controller is used for judging according to output voltage and the described solenoid valve operating state of described voltage sample module feedback whether described solenoid valve exists short circuit or open circuit fault; After if described solenoid valve is received described driving signal, act accordingly and its output voltage consistent with its normal output voltage, judge that then described solenoid valve is normal; After if described solenoid valve is received described driving signal, do not act accordingly and its output voltage consistent with its normal output voltage, judge that then described solenoid valve opens circuit; After if described solenoid valve is received described driving signal, do not act accordingly and its output voltage less than first threshold, then judge described solenoid valve short circuit; If described solenoid valve is not received the output voltage of described driving signal and described solenoid valve greater than Second Threshold, judge that then described solenoid valve opens circuit; If described solenoid valve is not received the output voltage of described driving signal and described solenoid valve and less than described first threshold, is judged that then described solenoid valve is normal; Then generate corresponding failure message and output according to judged result;
Display screen is for the failure message that receives described PLC controller output and with its simultaneous display.
2. rotary drilling rig wire harness according to claim 1 short circuit and the automatic detection device that opens circuit is characterized in that, described voltage sample module is the driving chip with the wire harness fault detection capability.
3. rotary drilling rig wire harness according to claim 2 short circuit and the automatic detection device that opens circuit is characterized in that, the model of described driving chip with the wire harness fault detection capability is BTS723.
4. rotary drilling rig wire harness according to claim 1 short circuit and the automatic detection device that opens circuit is characterized in that, described first threshold is 0.7V, and described Second Threshold is 2.7V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120490446 CN202710689U (en) | 2011-11-30 | 2011-11-30 | Rotary drilling rig wire harnesses short circuit and broken circuit automatic detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120490446 CN202710689U (en) | 2011-11-30 | 2011-11-30 | Rotary drilling rig wire harnesses short circuit and broken circuit automatic detection device |
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| Publication Number | Publication Date |
|---|---|
| CN202710689U true CN202710689U (en) | 2013-01-30 |
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| CN 201120490446 Expired - Fee Related CN202710689U (en) | 2011-11-30 | 2011-11-30 | Rotary drilling rig wire harnesses short circuit and broken circuit automatic detection device |
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| CN (1) | CN202710689U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102411114A (en) * | 2011-11-30 | 2012-04-11 | 北京市三一重机有限公司 | Device and method for automatically detecting short circuit and disconnection of wire harnesses of rotary drilling rig |
| CN109696902A (en) * | 2018-12-06 | 2019-04-30 | 奇瑞汽车股份有限公司 | A kind of signal recording apparatus, fault point detection circuit and method |
| CN114740398A (en) * | 2022-04-12 | 2022-07-12 | 浙江银轮机械股份有限公司 | Electronic valve opening detection method and device and electronic valve control system |
-
2011
- 2011-11-30 CN CN 201120490446 patent/CN202710689U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102411114A (en) * | 2011-11-30 | 2012-04-11 | 北京市三一重机有限公司 | Device and method for automatically detecting short circuit and disconnection of wire harnesses of rotary drilling rig |
| CN102411114B (en) * | 2011-11-30 | 2014-07-23 | 北京市三一重机有限公司 | Device and method for automatically detecting short circuit and disconnection of wire harnesses of rotary drilling rig |
| CN109696902A (en) * | 2018-12-06 | 2019-04-30 | 奇瑞汽车股份有限公司 | A kind of signal recording apparatus, fault point detection circuit and method |
| CN109696902B (en) * | 2018-12-06 | 2022-06-10 | 奇瑞汽车股份有限公司 | Signal recording device, fault point detection circuit and method |
| CN114740398A (en) * | 2022-04-12 | 2022-07-12 | 浙江银轮机械股份有限公司 | Electronic valve opening detection method and device and electronic valve control system |
| CN114740398B (en) * | 2022-04-12 | 2025-09-16 | 浙江银轮机械股份有限公司 | Electronic valve open circuit detection method and device and electronic valve control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20151130 |
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| EXPY | Termination of patent right or utility model |