CN209432183U - A kind of detection circuit of built-in mining diving pump - Google Patents
A kind of detection circuit of built-in mining diving pump Download PDFInfo
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- CN209432183U CN209432183U CN201920167396.7U CN201920167396U CN209432183U CN 209432183 U CN209432183 U CN 209432183U CN 201920167396 U CN201920167396 U CN 201920167396U CN 209432183 U CN209432183 U CN 209432183U
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Abstract
The utility model provides a kind of detection circuit of built-in mining diving pump, comprising: mining electric pump, microprocessor circuit, temperature sensing circuit, leak water detdction circuit, RS485 communicating circuit, voltage detecting circuit, current detection circuit；The input terminal of the temperature sensing circuit is separately connected the three-phase windings of mining electric pump and two bearings, output end are connect with microprocessor circuit；The input terminal of the voltage detecting circuit and current detection circuit couples with the three-phase windings of mining electric pump, and output end is connect with microprocessor circuit；The input terminal of the leak water detdction circuit is located in mining electric pump oil pocket, and output end is connect with microprocessor circuit.The utility model realizes the real time on-line monitoring of the voltage of mining electric pump, current signal and temperature signal, and measurement circuit design structure is simple, can be improved whole system accuracy and reliability, it can be achieved that mine industry diving equipment embedded detection.
Description
Technical field
The utility model relates to mining diving pump technical field, the detection electricity of especially a kind of built-in mining diving pump
Road.
Background technique
As the extensive use of electronic technology and testing meter and instrument, automatic control technology are developed by leaps and bounds, people for
The requirement of industrial and mineral industry increasingly improves, and mining diving pump is mainly used for the Central Pump Room draining of coal mine, coal mine after by water logging disaster
Emergency drainage or complex ore draining.It is negative for protection submersible pump since the working environment of immersible pump is relatively severe, operating voltage is higher
It carries, 5-7 times of normal full load electric current will be generated when preventing route from short circuit or overload and immersible pump stall occur on stator winding
Locked rotor current, generate very big heat, such as unprotect measure, immersible pump can burn quickly, damage to field device, from
And there is safety accident, it is therefore desirable to electric current and voltage to three phase mains and examine to the state of temperature of mining electric pump
It surveys.
At present traditional mining diving pump the transmission line of electricity on load equipment is acquired using outer detecting circuit or
Person is using the signals such as long-range monitoring current, voltage, since industrial environment complexity makes that its detection structure is complicated, at high cost, failure
Rate is high, processing speed is slow and cannot monitor in real time, when electric pump breaks down, cannot timely and effectively protect to electric pump
Shield, often results in electric pump and burns out.
For the reliability service for effectively guaranteeing production system, realize enterprise operation comprehensively refine, precision, information
Change, network management, improves production efficiency, the safe operation ability, risk preventing ability of enterprise, therefore a kind of embedded intelligence
Can monitor on-line the voltage and current of mining electric pump and the detection system of temperature there are of crucial importance.
Utility model content
The purpose of the utility model is to provide a kind of detection circuits of built-in mining diving pump, it is intended to solve the prior art
The problem of chats is with electric pump detection structure complexity and high failure rate, realizes the voltage, current signal and temperature of mining electric pump
The real time on-line monitoring of signal improves the accuracy and reliability of whole system.
To reach above-mentioned technical purpose, the utility model provides a kind of detection circuit of built-in mining diving pump, institute
Stating detection circuit includes:
Mining electric pump, microprocessor circuit, temperature sensing circuit, leak water detdction circuit, RS485 communicating circuit, voltage inspection
Slowdown monitoring circuit, current detection circuit；
The input terminal of the temperature sensing circuit is separately connected the three-phase windings and two bearings of mining electric pump, output end
It is connect by RS485 communicating circuit with microprocessor circuit；
The input terminal of the voltage detecting circuit and current detection circuit couples with the three-phase windings of mining electric pump, defeated
Outlet passes through RS485 communicating circuit and connect with microprocessor circuit；
The input terminal of the leak water detdction circuit is located in mining electric pump oil pocket, output end by RS485 communicating circuit with
Microprocessor circuit connection.
Preferably, the microprocessor circuit include STM32F103 single-chip microcontroller, power circuit, system clock crystal oscillating circuit,
Reset circuit, JATG debug circuit, the power circuit, system clock crystal oscillating circuit, reset circuit, JATG debug circuit with
Single-chip microcontroller connection.
Preferably, the temperature sensing circuit includes PT100 temperature sensor, REF3030 voltage stabilizing chip, AD623 integrated
Single supply instrument amplifier and several resistance and capacitance component, the PT100 temperature sensor are described for detecting temperature
REF3030 voltage stabilizing chip integrates single supply instrument amplifier for putting to pressure difference for providing burning voltage, the AD623
Greatly.
Preferably, the AD conversion that the output end of the temperature sensing circuit is connected to the single-chip microcontroller of microprocessor circuit is drawn
Foot.
Preferably, the RS485 communicating circuit includes RS485 bus and MAX485 hardware interface, the MAX485 hardware
The connection of serial ports RX, TX pin of interface and single-chip microcontroller.
Preferably, the voltage detecting circuit include three Micro-Transformer of Voltage, three dual operational amplifiers, six it is steady
Diode is pressed, the output end of voltage detecting circuit and the AD conversion pin of single-chip microcontroller connect.
Preferably, the current detection circuit includes three micro-transformer of current, three dual operational amplifiers, electric current inspection
The output end of slowdown monitoring circuit and the AD conversion pin of single-chip microcontroller connect.
The effect provided in utility model content is only the effect of embodiment, rather than whole effects that utility model is all
Fruit, a technical solution in above-mentioned technical proposal have the following advantages that or the utility model has the advantages that
Compared with prior art, the utility model is based on STM32 single-chip microcontroller, and entire circuit design passes through electricity by PCB making sheet
Machine driving, is detected, the mould of detection circuit through temperature sensor, grease sensor, current transformer and voltage transformer
After quasi- signal is converted to digital signal, sampling processing is carried out by single chip circuit, and communicated by RS485 bus, realized
The real time on-line monitoring of the voltage of mining electric pump, current signal and temperature signal.Measurement circuit design in the utility model
Structure is simple, small in size, fast response time, superior performance, and the accuracy and reliability that whole system can be improved are, it can be achieved that mine
The embedded detection of industry diving equipment.
The temperature sensing circuit of the utility model, detection speed is fast, real-time is good；PT100 temperature sensor is linearly spent by force,
It is wide to measure temperature range；REF3030 provides the 3.00v voltage of standard for bridge circuit, does not need additional offer supply voltage
Stablize；The pressure difference of electric bridge is accurately amplified 51 times with the amplification feedback resistance of a 2K by AD623, and amplification factor is high, and signal turns
The fast precision of throw-over degree is high.
The leak water detdction circuit of the utility model is detection digital signal, and structure is simple and convenient to operate, detect can
Lean on, be at low cost, detection efficiency it is high.
The current detection circuit of the utility model, using current transformer detect can be achieved measuring instrumentss, protection equipment and
Standardization, the miniaturization of automatic control equipment, while mutual inductor may further be used to separate high-voltage system, to guarantee the person and equipment
Safety.Make that circuit design is simple, superior performance, LM358 dual operational amplifier has high-gain, low power consumption current, low imbalance
In voltage and current and the circuit wide suitable for supply voltage range, single supply range is 3v.
The voltage detecting circuit of the utility model can realize that measuring instrumentss, protection are set using the voltage transformer of current mode
Standby and automatic control equipment standardization, miniaturization, while mutual inductor may further be used to separate high-voltage system, with guarantee the person and
The safety of equipment.Voltage transformer work has the characteristics that wide dynamic range, precision height, good linearity in approximate zero load condition.
LM358 operational amplifier high-gain, low power consumption current, low maladjustment voltage；It is this it is low imbalance, high open-loop gain characteristic make
LM358 is especially suitable for the measuring device of high-gain and the small-signal etc. of amplification sensor；So that entire circuit performance
Superior, high reliablity.
The RS485 communicating circuit of the utility model, half-duplex operation are supported multipoint data communication, are sent out using balance
It send and effectively inhibits common mode interference with differential received, so that transmission signal preferably restores, using two-wire system wiring, structure letter
Single, at low cost etc..
Detailed description of the invention
Fig. 1 is a kind of detection circuit structural representation of built-in mining diving pump provided in the utility model embodiment
Block diagram；
Fig. 2 is a kind of microprocessor circuit schematic diagram provided in the utility model embodiment；
Fig. 3 is a kind of temperature sensing circuit schematic diagram provided in the utility model embodiment；
Fig. 4 is a kind of leak water detdction circuit diagram provided in the utility model embodiment；
Fig. 5 is a kind of voltage detecting circuit schematic diagram provided in the utility model embodiment；
Fig. 6 is a kind of current detection circuit schematic diagram provided in the utility model embodiment；
Fig. 7 is a kind of RS485 communicating circuit schematic diagram provided in the utility model embodiment.
Specific embodiment
In order to clearly illustrate the technical characterstic of this programme, below by specific embodiment, and its attached drawing is combined, to this
Utility model is described in detail.Following disclosure provides many different embodiments or example is used to realize the utility model
Different structure.In order to simplify the disclosure of the utility model, hereinafter the component of specific examples and setting are described.This
Outside, the utility model can in different examples repeat reference numerals and/or letter.This repetition is in order to simplified and clear
Purpose itself does not indicate the relationship between discussed various embodiments and/or setting.It should be noted that illustrated in the accompanying drawings
Component be not drawn necessarily to scale.The utility model be omitted the description to known assemblies and treatment technology and process to avoid
It is unnecessarily limiting the utility model.
With reference to the accompanying drawing to a kind of detection circuit of built-in mining diving pump provided by the utility model embodiment
It is described in detail.
As shown in Figure 1, the utility model embodiment discloses a kind of detection circuit of built-in mining diving pump, the inspection
Slowdown monitoring circuit includes:
Mining electric pump, microprocessor circuit, temperature sensing circuit, leak water detdction circuit, RS485 communicating circuit, voltage inspection
Slowdown monitoring circuit, current detection circuit；
The input terminal of the temperature sensing circuit is separately connected the three-phase windings and two bearings of mining electric pump, output end
It is connect by RS485 communicating circuit with microprocessor circuit；
The input terminal of the voltage detecting circuit and current detection circuit couples with the three-phase windings of mining electric pump, defeated
Outlet passes through RS485 communicating circuit and connect with microprocessor circuit；
The input terminal of the leak water detdction circuit is located in mining electric pump oil pocket, output end by RS485 communicating circuit with
Microprocessor circuit connection.
The mining electric pump, voltage rating 640v, rated power 5.5kw, medium temperature are no more than 40 DEG C, pH value
5-9, medium severe≤11kN/m3.
The microprocessor circuit includes STM32F103 single-chip microcontroller, power circuit, system clock crystal oscillating circuit, resets electricity
Road, JATG debug circuit etc., wherein each circuit is connect with single-chip microcontroller, as shown in Figure 2.
The temperature sensing circuit includes the temperature sensing circuit of three windings and the temperature sensing circuit of two bearings, often
A temperature sensing circuit includes for detecting the integrated single electricity of the PT100 temperature sensor of temperature, REF3030 voltage stabilizing chip, AD623
Source instrument amplifier and several resistance and capacitance component are constituted, and the AD conversion pin of circuit output part and single-chip microcontroller connects
It connects, as shown in Figure 3.Bridge circuit is constituted by resistance R2, R3, R4, PT100, REF3030 provides standard for bridge circuit
The pressure difference of electric bridge is accurately amplified 51 times with the amplification feedback resistance of a 2K by 3.00v voltage, AD623.To the temperature of acquisition
Signal is converted into voltage signal through sensor, then carries out sampling holding by Chip Microcomputer A/D conversion and upload to host computer progress in real time
Monitoring.
The leak water detdction circuit include for detect water pump oil pocket whether the grease sensor of leak, leak water detdction circuit
Output par, c and single-chip microcontroller common I/O connection, as shown in Figure 4.
The voltage detecting circuit includes the voltage detecting circuit of three windings, and each voltage detecting circuit includes three micro-
Type voltage transformer, three dual operational amplifiers, six zener diodes, resistance and capacitor, the output of voltage detecting circuit
Part is connect with the AD conversion pin of single-chip microcontroller.The Micro-Transformer of Voltage is TV31B model, the model of dual operational amplifier
For LM358, the model 1N4148 of zener diode, as shown in Figure 5.
The current detection circuit includes the current detection circuit of three windings, and each current detection circuit includes three micro-
Type current transformer, three dual operational amplifiers and several resistance, the output par, c of current detection circuit and the AD of single-chip microcontroller turn
Change pin connection.The micro-transformer of current is AKH-0.66W-7 series, the model of dual operational amplifier is LM358, is such as schemed
Shown in 6.
The RS485 communicating circuit includes RS485 bus and MAX485 hardware interface and resistance capacitance, RS485 communication
The hardware interface of circuit and serial ports RX, TX pin of single-chip microcontroller connect, as shown in Figure 7.
The present embodiment is based on STM32 single-chip microcontroller, and entire circuit design is by PCB making sheet, by motor driven, through temperature sensing
Device, grease sensor, current transformer and voltage transformer are detected, and the analog signal of detection circuit is converted to digital letter
After number, sampling processing is carried out by single chip circuit, and communicated by RS485 bus, realize voltage, the electric current of mining electric pump
The real time on-line monitoring of signal and temperature signal.Measurement circuit design structure in the utility model is simple, small in size, response
Speed is fast, superior performance, the accuracy of whole system can be improved with reliability, it can be achieved that mine industry diving equipment it is embedded
Detection.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (7)
1. a kind of detection circuit of built-in mining diving pump, which is characterized in that the detection circuit includes:
Mining electric pump, microprocessor circuit, temperature sensing circuit, leak water detdction circuit, RS485 communicating circuit, voltage detecting electricity
Road, current detection circuit；
The input terminal of the temperature sensing circuit is separately connected the three-phase windings of mining electric pump and two bearings, output end pass through
RS485 communicating circuit is connect with microprocessor circuit；
The input terminal of the voltage detecting circuit and current detection circuit couples with the three-phase windings of mining electric pump, output end
It is connect by RS485 communicating circuit with microprocessor circuit；
The input terminal of the leak water detdction circuit is located in mining electric pump oil pocket, and output end passes through RS485 communicating circuit and Wei Chu
Manage device circuit connection.
2. a kind of detection circuit of built-in mining diving pump according to claim 1, which is characterized in that the micro process
Device circuit includes STM32F103 single-chip microcontroller, power circuit, system clock crystal oscillating circuit, reset circuit, JATG debug circuit, institute
Power circuit, system clock crystal oscillating circuit, reset circuit, JATG debug circuit is stated to connect with single-chip microcontroller.
3. a kind of detection circuit of built-in mining diving pump according to claim 1, which is characterized in that the temperature inspection
Slowdown monitoring circuit includes PT100 temperature sensor, REF3030 voltage stabilizing chip, AD623 integrates single supply instrument amplifier and several are electric
Resistance and capacitance component, for the PT100 temperature sensor for detecting temperature, the REF3030 voltage stabilizing chip is steady for providing
Constant voltage, the AD623 integrate single supply instrument amplifier for amplifying to pressure difference.
4. a kind of detection circuit of built-in mining diving pump according to claim 2, which is characterized in that the temperature inspection
The output end of slowdown monitoring circuit is connected to the AD conversion pin of the single-chip microcontroller of microprocessor circuit.
5. a kind of detection circuit of built-in mining diving pump according to claim 2, which is characterized in that the RS485
Communicating circuit includes RS485 bus and MAX485 hardware interface, and serial ports RX, TX of the MAX485 hardware interface and single-chip microcontroller draw
Foot connection.
6. a kind of detection circuit of built-in mining diving pump according to claim 2, which is characterized in that the voltage inspection
Slowdown monitoring circuit include three Micro-Transformer of Voltage, three dual operational amplifiers, six zener diodes, voltage detecting circuit it is defeated
The connection of the AD conversion pin of outlet and single-chip microcontroller.
7. a kind of detection circuit of built-in mining diving pump according to claim 6, which is characterized in that the electric current inspection
Slowdown monitoring circuit includes three micro-transformer of current, three dual operational amplifiers, the output end of current detection circuit and single-chip microcontroller
The connection of AD conversion pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920167396.7U CN209432183U (en) | 2019-01-30 | 2019-01-30 | A kind of detection circuit of built-in mining diving pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920167396.7U CN209432183U (en) | 2019-01-30 | 2019-01-30 | A kind of detection circuit of built-in mining diving pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209432183U true CN209432183U (en) | 2019-09-24 |
Family
ID=67977876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920167396.7U Expired - Fee Related CN209432183U (en) | 2019-01-30 | 2019-01-30 | A kind of detection circuit of built-in mining diving pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209432183U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813373A (en) * | 2019-01-30 | 2019-05-28 | 济南大学 | A kind of detection circuit and detection method of built-in mining diving pump |
| CN115750314A (en) * | 2022-11-10 | 2023-03-07 | 中核核电运行管理有限公司 | Undisturbed pump packing leakage online monitoring device |
-
2019
- 2019-01-30 CN CN201920167396.7U patent/CN209432183U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813373A (en) * | 2019-01-30 | 2019-05-28 | 济南大学 | A kind of detection circuit and detection method of built-in mining diving pump |
| CN115750314A (en) * | 2022-11-10 | 2023-03-07 | 中核核电运行管理有限公司 | Undisturbed pump packing leakage online monitoring device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190924 Termination date: 20220130 |
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| CF01 | Termination of patent right due to non-payment of annual fee |