CN1687798A - Mining distribution, control electrical apparatus state diagnosis sensor - Google Patents

Mining distribution, control electrical apparatus state diagnosis sensor Download PDF

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Publication number
CN1687798A
CN1687798A CN 200510046120 CN200510046120A CN1687798A CN 1687798 A CN1687798 A CN 1687798A CN 200510046120 CN200510046120 CN 200510046120 CN 200510046120 A CN200510046120 A CN 200510046120A CN 1687798 A CN1687798 A CN 1687798A
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China
Prior art keywords
control apparatus
distribution
state
shaping circuit
sampling
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CN 200510046120
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Chinese (zh)
Inventor
李长录
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FUSHUN BRANCH OF CHINA COAL RESEARCH INSTITUTE
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FUSHUN BRANCH OF CHINA COAL RESEARCH INSTITUTE
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Priority to CN 200510046120 priority Critical patent/CN1687798A/en
Publication of CN1687798A publication Critical patent/CN1687798A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a mining power distribution and control electrical appliance state diagnosis sensor, which comprises a power distribution and control electrical appliance state sampling unit, a state signal processing unit, a driving circuit and a frequency signal output unit. The mine environment monitoring system is networked to realize monitoring of the underground power supply system and the power distribution and control switch equipment, a simple, reliable and practical communication interface is provided, frequency signals are adopted as output signals of the states of the power distribution and control electrical appliances, the practicability is wide, the power distribution and control electrical appliance state diagnosis error-free signals are ensured, and the power supply monitoring system can be omitted. It may also be networked with a power supply monitoring system.

Description

Mining distribution, control apparatus condition diagnosing sensor
Technical field
The invention belongs to mining high and low pressure distribution, control apparatus comprehensive state diagnostic sensor, particularly be used for Minepit environment supervisory system (containing power supply monitoring system) networking and realize mining distribution, control apparatus condition diagnosing sensor that underground power supply system and distribution, gauge tap equipment are monitored.
Background technology
At present, utilize the Minepit environment supervisory system to realize the sensor that underground power supply system and distribution, gauge tap equipment monitor is mainly contained two kinds: a kind of is electromechanical equipment start-stop sensor, such sensor can only be confirmed opening of electromechanical equipment and stop, can not confirm the trip reason of equipment, and relevant with the size of position of installing and load current, and misoperation often appears; Another kind is to be equipped with RS-485/232 to set up communication contact as data-interface and Minepit environment supervisory system, this sensor requires the Minepit environment supervisory system that RS-485/232 interface circuit corresponding with it arranged, also corresponding communications protocol need be arranged between them simultaneously, when the Minepit environment supervisory system does not have corresponding RS-485/232 interface circuit, can't realize mining distribution, control apparatus condition diagnosing.
Summary of the invention
Realize existing erroneous judgement disconnected at existing Minepit environment supervisory system to the sensor that underground power supply system and distribution, gauge tap equipment monitor; Or need specific RS-485/232 interface circuit and corresponding communications protocol could realize sensor to mining distribution, control apparatus condition diagnosing.The invention provides a kind of mining distribution, control apparatus condition diagnosing sensor, this invention not only can provide branch, the "on" position frequency signal of mine switch for the Minepit environment supervisory system, guaranteeing does not have error signal, can also provide the state of mine power supply system and the frequency signal of switch separating brake type for the Minepit environment supervisory system.
The technical solution adopted for the present invention to solve the technical problems is: a kind of mining distribution, control apparatus condition diagnosing sensor, in housing, by the state sampling unit of distribution, control apparatus, the status signal processing unit, driving circuit, frequency signal output unit constitute.Be divided into intelligent or non intelligent type owing to constitute mining distribution, the control apparatus switch comprehensive protection device of the state sampling unit of distribution, control apparatus; therefore; the state sampling unit of distribution, control apparatus, the formation difference of status signal processing unit is specifically referring to embodiment.
Wherein mining distribution, control apparatus comprise the high and low pressure power distribution equipment, feeding switch, electromagnetic starter, hand drill comprehensive protector, illumination comprehensive protector, leakage relay etc.
The invention has the beneficial effects as follows: the present invention not only can react branch, the "on" position of mine switch, can also react the type of the state and the switch separating brake of electric power system under the mine---contain normal separating brake, fault separating brake, fault type; The present invention and the communication of Minepit environment supervisory system are simple, only adopt the output signal of frequency signal as various states, and practicality is wide, and distribution, control apparatus condition diagnosing do not have the erroneous judgement signal.Can save power supply monitoring system.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the first embodiment of the invention theory diagram
Fig. 2 is the second embodiment of the invention theory diagram
Fig. 3 is the third embodiment of the invention theory diagram
Fig. 4 is the fourth embodiment of the invention theory diagram
Fig. 5 is the fifth embodiment of the invention theory diagram
Fig. 6 is the sixth embodiment of the invention theory diagram
Fig. 7 is the seventh embodiment of the invention theory diagram
Fig. 8 is a first embodiment of the invention adder circuit schematic diagram
Embodiment
Accompanying drawing number:
1. state sampling units among the figure; 2. status signal processing unit; 3. driving circuit, 4. frequency signal output unit, 11. normally divide; "on" position sampling link; 12. short trouble sampling link; 13. overload fault sampling link, 14. leak current faults sampling link, 15. earth leakage search/lockouts sampling link; 16. o-volt protection sampling link; 17. open-phase protection sampling link, 18. switches; combine and protect faults itself sampling link, 21. normally divide; the "on" position shaping circuit; 22. short trouble state shaping circuit; 23. the overload fault condition shaping circuit, 24. leak current fault state shaping circuits, 25. earth leakage search/lockout state shaping circuits; 26. o-volt protection state shaping circuit; 27. open-phase protection state shaping circuit, 28. switches; combine and protect faults itself state shaping circuit, 117. adder circuits; 118.v/f change-over circuit, 31.CPU 1, 32.CPU 2
In first embodiment of the invention shown in Figure 1; at constituting distribution; the mining distribution of control apparatus state sampling unit; control apparatus switch comprehensive protection device is non intelligent type; referring to Fig. 8; in housing; distribution; the state sampling unit 1 of control apparatus is by normal branch; "on" position sampling link 11; short trouble sampling link 12; overload fault sampling link 13; leak current fault sampling link 14; earth leakage search/lockout sampling link 15; o-volt protection sampling link 16; open-phase protection sampling link 17 constitutes; status signal processing unit 2 is by normal branch; "on" position shaping circuit 21; short trouble state shaping circuit 22; overload fault condition shaping circuit 23; leak current fault state shaping circuit 24; earth leakage search/lockout state shaping circuit 25; o-volt protection state shaping circuit 26; open-phase protection state shaping circuit 27; adder circuit 117; v/f change-over circuit 118 constitutes; comprise driving circuit 3, frequency signal output unit 4.Adder circuit is referring to Fig. 8, wherein v 0=R fV 1/ R 1+ R fV 2/ R 2+ ... + R fV n/ R nExecution this embodiment takes a sample normal branch, combined floodgate and comprehensive protection device thereof in distribution, the control apparatus for short circuit, overload, electric leakage, earth leakage search/lockout, decompression, open phase fault after or shows signal are converted to low level or high level respectively through corresponding shaping circuit switching signal; for example 0V or 5V send into the adder circuit addition; result after the addition sends into the v/f change-over circuit through the overdrive circuit output frequency signal; for example the signal of 200-1000Hz is sent into Minepit environment supervisory system substation through overdrive circuit, carries out Centralized Monitoring.The concrete corresponding mining distribution of output frequency signal, control apparatus state, for example: normal branch, combined floodgate---200Hz; Short trouble---300Hz; Overload fault---400Hz; Leak current fault---500Hz; Earth leakage search/lockout---600Hz; O-volt protection---700Hz; Open-phase protection---800Hz.
In second embodiment of the invention shown in Figure 2; at constituting distribution; the mining distribution of control apparatus state sampling unit; control apparatus switch comprehensive protection device is non intelligent type; in housing; distribution; the state sampling unit 1 of control apparatus is by normal branch; "on" position sampling link 11; short trouble sampling link 12; overload fault sampling link 13; leak current fault sampling link 14; earth leakage search/lockout sampling link 15; o-volt protection sampling link 16; open-phase protection sampling link 17 constitutes; status signal processing unit 2 is by normal branch; "on" position shaping circuit 21; short trouble state shaping circuit 22; overload fault condition shaping circuit 23; leak current fault state shaping circuit 24; earth leakage search/lockout state shaping circuit 25; o-volt protection state shaping circuit 26; open-phase protection state shaping circuit 27, programmable cpu 232 constitute, and comprise driving circuit 3, frequency signal output unit 4.Execution this embodiment takes a sample normal branch, combined floodgate and comprehensive protection device thereof in distribution, the control apparatus for short circuit, overload, electric leakage, earth leakage search/lockout, decompression, open phase fault after or shows signal are converted to low level or high level respectively through corresponding shaping circuit switching signal, for example 0V or 5V send into programmable cpu 2Carry out data processing and convert frequency signal to, for example the signal of 200-1000Hz is sent into Minepit environment supervisory system substation through overdrive circuit, carries out Centralized Monitoring.The concrete corresponding mining distribution of output frequency signal, control apparatus state, for example: normal branch, combined floodgate---200Hz; Short trouble---300Hz; Overload fault---400Hz; Leak current fault---500Hz; Earth leakage search/lockout---600Hz; O-volt protection---700Hz; Open-phase protection---800Hz.
In third embodiment of the invention shown in Figure 3, be intelligent at formation distribution, the mining distribution of control apparatus state sampling unit, control apparatus switch comprehensive protection device, in housing, the state sampling unit 1 of distribution, control apparatus is by three mouth line CPU 131 constitute, and status signal processing unit 2 is by programmable cpu 232 constitute, and comprise driving circuit 3, frequency signal output unit 4.Taking a sample normal branch, combined floodgate and comprehensive protection device thereof in distribution, the control apparatus for short circuit, overload, electric leakage, earth leakage search/lockout, decompression, open phase fault after, this embodiment sends into the CPU of comprehensive protection device itself 1Handle, the result after the processing delivers to programmable cpu by three mouth lines 2, CPU 2The data-switching of these three mouth lines of receiving is become different frequency signals, and for example the signal of 200-1000Hz is sent into Minepit environment supervisory system substation through overdrive circuit, carries out Centralized Monitoring.The concrete corresponding mining distribution of output frequency signal, control apparatus state, for example: normal branch, combined floodgate---200Hz; Short trouble---300Hz; Overload fault---400Hz; Leak current fault---500Hz; Earth leakage search/lockout---600Hz; O-volt protection---700Hz; Open-phase protection---800Hz.
In fourth embodiment of the invention shown in Figure 4, be intelligent at formation distribution, the mining distribution of control apparatus state sampling unit, control apparatus switch comprehensive protection device, in housing, the state sampling unit 1 of distribution, control apparatus is by seven mouth line CPU 131 constitute, and status signal processing unit 2 is by programmable cpu 232 constitute, and comprise driving circuit 3, frequency signal output unit 4.Taking a sample normal branch, combined floodgate and comprehensive protection device thereof in distribution, the control apparatus for short circuit, overload, electric leakage, earth leakage search/lockout, decompression, open phase fault after, this embodiment sends into the CPU of comprehensive protection device itself 1Handle, the result after the processing outwards passes out to programmable cpu by the form of the state of the corresponding a kind of distribution of every egress line, control apparatus 2, present embodiment has seven kinds of states, and therefore seven mouth lines are arranged.Pass through programmable cpu 2The transformation of data that the mouth line is received becomes corresponding frequency signal, and for example the signal of 200-1000Hz is sent into Minepit environment supervisory system substation through overdrive circuit, carries out Centralized Monitoring.The concrete corresponding mining distribution of output frequency signal, control apparatus state, for example: normal branch, combined floodgate---200Hz; Short trouble---300Hz; Overload fault---400Hz; Leak current fault---500Hz; Earth leakage search/lockout---600Hz; O-volt protection---700Hz; Open-phase protection---800Hz.
In fifth embodiment of the invention shown in Figure 5, be intelligent at formation distribution, the mining distribution of control apparatus state sampling unit, control apparatus switch comprehensive protection device, in housing, the state sampling unit 1 of distribution, control apparatus is by many mouth line CPU 131 constitute, and status signal processing unit 2 is by programmable cpu 232 constitute, and comprise driving circuit 3, frequency signal output unit 4.This embodiment for short circuit, overload, electric leakage, earth leakage search/lockout, decompression, the phase failure, sends into the CPU of comprehensive protection device itself with normal branch, combined floodgate and comprehensive protection device thereof in distribution, the control apparatus after switch, the sampling of comprehensive guarantor's faults itself 1Handle, the result after the processing outwards passes out to programmable cpu by the form of the state of the corresponding a kind of distribution of every egress line, control apparatus 2, several states are arranged, several mouth lines are just arranged.Pass through programmable cpu 2The transformation of data that the mouth line is received becomes corresponding frequency signal, and for example the signal of 200-1000Hz is sent into Minepit environment supervisory system substation through overdrive circuit, carries out Centralized Monitoring.The concrete corresponding mining distribution of output frequency signal, control apparatus state, for example: normal branch, combined floodgate---200Hz; Short trouble---300Hz; Overload fault---400Hz; Leak current fault---500Hz; Earth leakage search/lockout---600Hz; O-volt protection---700Hz; Open-phase protection---800Hz; Switch, comprehensive faults itself---the 900Hz that protects.
In sixth embodiment of the invention shown in Figure 6; at constituting distribution; the mining distribution of control apparatus state sampling unit; control apparatus switch comprehensive protection device is non intelligent type; referring to Fig. 8; in housing; distribution; the state sampling unit 1 of control apparatus is by normal branch; "on" position sampling link 11; short trouble sampling link 12; overload fault sampling link 13; leak current fault sampling link 14; earth leakage search/lockout sampling link 15; o-volt protection sampling link 16; open-phase protection sampling link 17; switch; combine and protect faults itself sampling link 18 formations; status signal processing unit 2 is by normal branch; "on" position shaping circuit 21; short trouble state shaping circuit 22; overload fault condition shaping circuit 23; leak current fault state shaping circuit 24; earth leakage search/lockout state shaping circuit 25; o-volt protection state shaping circuit 26; open-phase protection state shaping circuit 27; switch; combine and protect faults itself state shaping circuit 28; adder circuit 117; v/f change-over circuit 118 constitutes; comprise driving circuit 3, frequency signal output unit 4.Adder circuit is referring to Fig. 8, wherein v 0=R fV 1/ R 1+ R fV 2/ R 2+ ... + R fV n/ R nThis embodiment with normal branch, combined floodgate and comprehensive protection device thereof in distribution, the control apparatus for short circuit, overload, electric leakage, earth leakage search/lockout, decompression, the phase failure; execution after switch, the sampling of comprehensive guarantor's faults itself or shows signal are converted to low level or high level respectively through corresponding shaping circuit switching signal; for example 0V or 5V send into the adder circuit addition; result after the addition sends into the v/f change-over circuit through the overdrive circuit output frequency signal; for example the signal of 200-1000Hz is sent into Minepit environment supervisory system substation through overdrive circuit, carries out Centralized Monitoring.The concrete corresponding mining distribution of output frequency signal, control apparatus state, for example: normal branch, combined floodgate---200Hz; Short trouble---300Hz; Overload fault---400Hz; Leak current fault---500Hz; Earth leakage search/lockout---600Hz; O-volt protection---700Hz; Open-phase protection---800Hz; Switch, comprehensive faults itself---the 900Hz that protects.
In seventh embodiment of the invention shown in Figure 7; at constituting distribution; the mining distribution of control apparatus state sampling unit; control apparatus switch comprehensive protection device is non intelligent type; in housing; distribution; the state sampling unit 1 of control apparatus is by normal branch; "on" position sampling link 11; short trouble sampling link 12; overload fault sampling link 13; leak current fault sampling link 14; earth leakage search/lockout sampling link 15; o-volt protection sampling link 16; open-phase protection sampling link 17; switch; combine and protect faults itself sampling link 18 formations; status signal processing unit 2 is by normal branch; "on" position shaping circuit 21; short trouble state shaping circuit 22; overload fault condition shaping circuit 23; leak current fault state shaping circuit 24; earth leakage search/lockout state shaping circuit 25; o-volt protection state shaping circuit 26; open-phase protection state shaping circuit 27; switch; combine and protect faults itself state shaping circuit 28, programmable cpu 232 constitute, and comprise driving circuit 3, frequency signal output unit 4.This embodiment with normal branch, combined floodgate and comprehensive protection device thereof in distribution, the control apparatus for short circuit, overload, electric leakage, earth leakage search/lockout, decompression, the phase failure; execution after switch, the sampling of comprehensive guarantor's faults itself or shows signal are converted to low level or high level respectively through corresponding shaping circuit switching signal, for example 0V or 5V send into programmable cpu 2Carry out data processing and convert frequency signal to, for example the signal of 200-1000Hz is sent into Minepit environment supervisory system substation through overdrive circuit, carries out Centralized Monitoring.The concrete corresponding mining distribution of output frequency signal, control apparatus state, for example: normal branch, combined floodgate---200Hz; Short trouble---300Hz; Overload fault---400Hz; Leak current fault---500Hz; Earth leakage search/lockout---600Hz; O-volt protection---700Hz; Open-phase protection---800Hz; Switch, comprehensive faults itself---the 900Hz that protects.

Claims (8)

1. a mining distribution, control apparatus condition diagnosing sensor in housing, have the state sampling unit (1) of distribution, control apparatus, it is characterized in that: also comprise status signal processing unit (2), driving circuit (3), frequency signal output unit (4).
2. the described a kind of mining distribution of claim 1; control apparatus condition diagnosing sensor; it is characterized in that: distribution; the state sampling unit (1) of control apparatus is by normal branch; "on" position sampling link (11); short trouble sampling link (12); overload fault sampling link (13); leak current fault sampling link (14); earth leakage search/lockout sampling link (15); o-volt protection sampling link (16); open-phase protection sampling link (17) constitutes; status signal processing unit (2) is by normal branch; "on" position shaping circuit (21); short trouble state shaping circuit (22); overload fault condition shaping circuit (23); leak current fault state shaping circuit (24); earth leakage search/lockout state shaping circuit (25); o-volt protection state shaping circuit (26); open-phase protection state shaping circuit (27), adder circuit (117); v/f change-over circuit (118) constitutes.
3. the described a kind of mining distribution of claim 1; control apparatus condition diagnosing sensor; it is characterized in that: distribution; the state sampling unit (1) of control apparatus is by normal branch; "on" position sampling link (11); short trouble sampling link (12); overload fault sampling link (13); leak current fault sampling link (14); earth leakage search/lockout sampling link (15); o-volt protection sampling link (16); open-phase protection sampling link (17) constitutes; status signal processing unit (2) is by normal branch; "on" position shaping circuit (21); short trouble state shaping circuit (22); overload fault condition shaping circuit (23); leak current fault state shaping circuit (24); earth leakage search/lockout state shaping circuit (25); o-volt protection state shaping circuit (26); open-phase protection state shaping circuit (27), programmable cpu 2(32) constitute.
4. the described a kind of mining distribution of claim 1, control apparatus condition diagnosing sensor, it is characterized in that: the state sampling unit (1) of distribution, control apparatus is by three mouth line CPU 1(31) constitute, status signal processing unit (2) is by programmable cpu 2(32) constitute.
5. the described a kind of mining distribution of claim 1, control apparatus condition diagnosing sensor, it is characterized in that: the state sampling unit (1) of distribution, control apparatus is by seven mouth line CPU 1(31) constitute, status signal processing unit (2) is by programmable cpu 2(32) constitute.
6. the described a kind of mining distribution of claim 1, control apparatus condition diagnosing sensor, it is characterized in that: the state sampling unit (1) of distribution, control apparatus is by many mouth line CPU 1(31) constitute, status signal processing unit (2) is by programmable cpu 2(32) constitute.
7. the described a kind of mining distribution of claim 2, control apparatus condition diagnosing sensor, it is characterized in that: the state sampling unit (1) of distribution, control apparatus comprises switch, combines and protect faults itself sampling link (18), and status signal processing unit (2) comprises switch, combines and protect faults itself state shaping circuit (28).
8. the described a kind of mining distribution of claim 3, control apparatus condition diagnosing sensor, it is characterized in that: the state sampling unit (1) of distribution, control apparatus comprises switch, combines and protect faults itself sampling link (18), and status signal processing unit (2) comprises switch, combines and protect faults itself state shaping circuit (28).
CN 200510046120 2005-03-29 2005-03-29 Mining distribution, control electrical apparatus state diagnosis sensor Pending CN1687798A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109213067A (en) * 2018-10-26 2019-01-15 安徽理工大学 Mining comprehensive insurance system detection device control method based on PLC and industrial personal computer
CN113569481A (en) * 2021-07-28 2021-10-29 中北大学 SVM (support vector machine) -based fault diagnosis method for mining comprehensive protector

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109213067A (en) * 2018-10-26 2019-01-15 安徽理工大学 Mining comprehensive insurance system detection device control method based on PLC and industrial personal computer
CN113569481A (en) * 2021-07-28 2021-10-29 中北大学 SVM (support vector machine) -based fault diagnosis method for mining comprehensive protector
CN113569481B (en) * 2021-07-28 2023-08-08 中北大学 Mining comprehensive protector fault diagnosis method based on SVM

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