CN203217327U - Belt rider offside prevention protection device - Google Patents
Belt rider offside prevention protection device Download PDFInfo
- Publication number
- CN203217327U CN203217327U CN 201320268811 CN201320268811U CN203217327U CN 203217327 U CN203217327 U CN 203217327U CN 201320268811 CN201320268811 CN 201320268811 CN 201320268811 U CN201320268811 U CN 201320268811U CN 203217327 U CN203217327 U CN 203217327U
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- people
- belt
- photoelectric sensor
- offside
- rider
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Abstract
The utility model relates to a belt rider offside prevention protection device. The belt rider offside prevention protection device comprises a belt rider offside prevention protection sub-station and a photoelectric detection system, wherein the belt rider offside prevention protection sub-station is connected with the photoelectric detection system, the belt rider offside prevention protection sub-station comprises a casing, wherein the casing is internally equipped with a programmable controller (PLC), an uninterrupted power source (UPS), an input isolation transformer, an I/O isolation relay, a direct current power source, a local reset button and a local reset indication lamp, the direct current power source is connected with the input isolation transformer, the input isolation transformer is connected with the uninterrupted power source (UPS), the programmable controller (PLC) is respectively connected with the I/O isolation relay, the local reset button and the local reset indication lamp, and the I/O isolation relay is connected with a belt machine. The belt rider offside prevention protection device has advantages of flexible configuration, simple equipment maintenance, safe and reliable test, complete isolation between an operation loop and a control loop and guaranteed personal safety.
Description
Technical field
The utility model relates to the borehole operation security fields, is specifically related to the anti-people's limiting protection equipment of taking advantage of of a kind of belt.
Background technology
In Coal Production; underground labour's gug is owing to work one day when taking belt; particularly take night and sleepy sleep phenomenon very easily occurs; when still not knowing when taking the last servant's platform of belt arrival; the personal safety accident very easily takes place; therefore setting up the safe and reliable anti-people's of the taking advantage of limiting protection system of a cover, is to improve the underground work personal security, ensures that the mine safety economical production is imperative.
Summary of the invention
The purpose of this utility model is to provide a kind of new application in the anti-people's limiting protection equipment of taking advantage of of coal mine leather belt; system is in case to take advantage of people's limiting protection substation be core; reliably combine with Photodetection system; be combined into the anti-offside detection system of people of taking advantage of of a cover intelligence; take place when offside as the people, realize the automatic control shutdown operation to belt feeder.
The purpose of this utility model is achieved in that the anti-people's limiting protection equipment of taking advantage of of a kind of belt, comprise anti-people's limiting protection substation of taking advantage of, Photodetection system, anti-people's limiting protection substation of taking advantage of connects Photodetection system, describedly anti-take advantage of people's limiting protection substation to comprise housing, Programmable Logic Controller PLC is installed in the housing, the UPS uninterrupted power source, the input isolating transformer, the I/O disconnecting relay, direct supply, ground reset button and homing light on the spot, direct supply connects the input isolating transformer, isolating transformer is connected with the UPS uninterrupted power source, programmable controller PLC respectively with the I/O disconnecting relay, the ground reset button, homing light connects on the spot, and the I/O disconnecting relay is connected with belt feeder; Described Photodetection system comprises the photoelectric sensor erecting frame, human body length detection photoelectric sensor, people's body thickness detect photoelectric sensor and intrinsic safety terminal box, human body length detection photoelectric sensor and people's body thickness are installed on the photoelectric sensor erecting frame detect photoelectric sensor, human body length detection photoelectric sensor and people's body thickness detect photoelectric sensor and are connected to programmable controller PLC by the intrinsic safety terminal box.
The utility model also has following feature:
1, above-described programmable controller PLC also is connected with distant place homing light with distant place reset button respectively.
2, above-described programmable controller PLC also is connected with fortune people signal input unit, fortune coal signal input unit and maintenance signal input unit respectively.
The beneficial effects of the utility model have:
The invention solves the conventional mechanical formula and take advantage of in people's limiting protection, be subjected to many-sided restriction such as big coal cinder, gangue, and low shortcoming can not be installed.The mode that this product adopts programmable controller PLC to combine with photoelectric sensor; by the fuzzy operation to human geometry's profile; protection also can effectively cause coal cinder, stone etc. the moving non-human body signal of protection easily under the lower situation of installation carry out filtering, guarantees reliably shutdown under the situation that human body normally passes through.The utlity model has that configuration is flexible, plant maintenance is simple, experimental safe is reliable, operation circuit and control loop are isolated fully, guarantee the advantage of personal safety.
Description of drawings
Fig. 1 is theory diagram of the present utility model;
Fig. 2 is program flow diagram of the present utility model;
Fig. 3 is current signal sampling theorem figure of the present utility model;
Fig. 4 is switching value signal principle figure of the present utility model;
Fig. 5 installs signal for photoelectric testing sensor;
Fig. 6 is PLC electrical wiring schematic diagram of the present utility model.
Wherein 1; anti-people's limiting protection substation of taking advantage of; 2; belt feeder; 3; the belt feeder operator's console, 4; illumination is combined and is protected power supply, 5; human body length detection photoelectric sensor; 6; fortune people signal input unit; 7; fortune coal signal input unit, 8; the maintenance signal input unit, 9; power isolation transformer; 10; uninterrupted power source; 11; involution button on the spot, 12; involution pilot lamp on the spot, 13; programmable controller PLC; 14; distant place involution button; 15; distant place involution pilot lamp, 16; the I/O disconnecting relay, 17; first shuts down outlet; 18; second shuts down outlet, 19; people's body thickness detects photoelectric sensor.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further described:
Embodiment 1
As shown in Figure 1, the anti-people's limiting protection equipment of taking advantage of of a kind of belt, comprise anti-people's limiting protection substation of taking advantage of, Photodetection system, anti-people's limiting protection substation of taking advantage of connects Photodetection system, describedly anti-take advantage of people's limiting protection substation to comprise housing, Programmable Logic Controller PLC is installed in the housing, the UPS uninterrupted power source, the input isolating transformer, the I/O disconnecting relay, direct supply, ground reset button and homing light on the spot, direct supply connects the input isolating transformer, isolating transformer is connected with the UPS uninterrupted power source, programmable controller PLC respectively with the I/O disconnecting relay, the ground reset button, homing light connects on the spot, and the I/O disconnecting relay is connected with belt feeder; Described Photodetection system comprises the photoelectric sensor erecting frame, human body length detection photoelectric sensor, people's body thickness detect photoelectric sensor and intrinsic safety terminal box, human body length detection photoelectric sensor and people's body thickness are installed on the photoelectric sensor erecting frame detect photoelectric sensor, human body length detection photoelectric sensor and people's body thickness detect photoelectric sensor and are connected to programmable controller PLC by the intrinsic safety terminal box.Described programmable controller PLC also is connected with distant place homing light with distant place reset button respectively.Described programmable controller PLC also is connected with fortune people signal input unit, fortune coal signal input unit and maintenance signal input unit respectively.
Anti-take advantage of the offside substation of people and Photodetection system all to adopt blast resistance construction, when satisfying product and installing in the down-hole to requirement of explosion.The anti-offside substation of people of taking advantage of provides signal return, action indication and distant signal involution and indication interface on the spot; Prevent taking advantage of designing in the offside substation of people and be furnished with uninterrupted power source, when the control power supply disappears, also can continue to move 1 ~ 2 hour; Can carry out function expansion, can be on the original system basis upgrading, can carry out the software and hardware upgrading.
The mode that combines with photoelectric sensor by programmable controller PLC by the fuzzy operation to human geometry's profile, is guaranteed reliably to shut down under the situation of the normal process of human body, at non-human body signal through out-of-date reliable locking.The anti-protection substation product type of bypassing the immediate leadership is flame-proof type, the input power supply is AC127 or AC660V, power failure can keep 2 hours, protection output 1 is 1 pair and often opens node, 1 pair of normally closed node, protection output 2 is 1 pair and often opens node, 1 pair of normally closed node, it is DC24V that incoming interface is opened in a distant place, and the foreign current input signal is between 0 ~ 5A; The Photodetection system working power is DC24V, and output node is 1 pair and often opens node, sensor reception, emission mounting distance≤2m, and mounting distance is 1m between the two cover sensors.
Embodiment 2
Principle of work:
The length of human body linear transducer human body is in 1.2m ~ 1.8m scope, and set sign M0.4 (or M1.4) set is not if tested person's body length resets at the built-in bit flag of this scope; The human body linear transducer detects people's body length photosignal at 1min and continues then set sign M0.3 (or M1.3) set in the time, after set sign M0.3 (or M1.3) set, the human body thickness transducer detects behind people's body thickness (digital I/O point IN1.0) photosignal (for the first time, rising edge) it is effective that set sign M0.5 (or M1.5) set confirms to detect the photosignal of people's body thickness, otherwise sign keeps original state.After set sign M0.3 (or M1.3) set, (or M1.0 ~ M1.5) the longest 1.8min of maintenance indicates zero clearing to set sign M0.0 ~ M0.5 after the time in addition;
The photosignal set sign M0.4 (or M1.4) of people's body length and the photosignal set sign M0.5 (M1.5) of people's body thickness effectively then shut down outlet Q0.0 and Q0.1 set simultaneously;
Slot signal (digital I/O point IN1.2) resets and shuts down outlet and set sign;
The shutdown outlet is invalid down for maintenance signal (digital I/O point IN1.3).
Embodiment 3
The anti-people's limiting protection of taking advantage of is formed: take advantage of major equipments such as people's limiting protection substation, Photodetection system to form by anti-.
1, anti-people's limiting protection substation of taking advantage of: formed by elements such as Siemens's Programmable Logic Controller (PLC), UPS uninterrupted power source, input isolating transformer, I/O disconnecting relay, current transducer, explosion-proof substation housing, direct supply, local operation button and indications.
2, Photodetection system: by electric light electric transducer erecting frame, human body length detection photoelectric sensor, people's body thickness detect elements such as photoelectric sensor, intrinsic safety terminal box and form.
Embodiment 4
Belt is anti-takes advantage of people's limiting protection equipment job step as follows:
Present embodiment detects the human body signal of photoelectric sensor acting in conjunction detection belt feeder when moving with human body length detection photoelectric sensor and people's body thickness, mounting distance between two sensors is 1m, sensor receives emission and is installed on the belt left and right sides respectively, and mounting distance is smaller or equal to 2 meters; Open into signal or belt feeder running current signal according to the external skin tape starting and to judge fortune people, fortune coal, inspecting state automatically; as people's interval process from then on, protection system detects and satisfies characteristics of human body's semaphore request, protection action outlet K1, K2 action; belt feeder is shut down, and pilot lamp HR1 lights.Belt feeder can continue to start operation by operator's console after pressing the involution button.
The beneficial effects of the utility model have:
The utility model adopts photodetector system, directly contact with nothing between the human body, the fortune people, the fortune coal, the maintenance signal can directly be supplied with switching signal, current signal in the time of also can moving by belt feeder or tach signal calculate and obtain, adopt the PLC control system, configuration is flexible, plant maintenance is simple, experimental safe is reliable, operation circuit (DC24V) is isolated fully with control loop (AC220V), guarantee personal safety, substation inside is furnished with uninterrupted power source, can under situation about having a power failure, work on 1 ~ 2 hour, the multiple locking of software computing prevents the product misoperation, can carry out the function expansion, can be on original pilot system basis upgrading, the advantage that can carry out the software and hardware upgrading.
Claims (3)
1. a belt prevents taking advantage of people's limiting protection equipment, comprise anti-people's limiting protection substation of taking advantage of, Photodetection system, anti-people's limiting protection substation of taking advantage of connects Photodetection system, describedly anti-take advantage of people's limiting protection substation to comprise housing, it is characterized in that: Programmable Logic Controller PLC is installed in the housing, the UPS uninterrupted power source, the input isolating transformer, the I/O disconnecting relay, direct supply, ground reset button and homing light on the spot, direct supply connects the input isolating transformer, isolating transformer is connected with the UPS uninterrupted power source, programmable controller PLC respectively with the I/O disconnecting relay, the ground reset button, homing light connects on the spot, and the I/O disconnecting relay is connected with belt feeder; Described Photodetection system comprises the photoelectric sensor erecting frame, human body length detection photoelectric sensor, people's body thickness detect photoelectric sensor and intrinsic safety terminal box, human body length detection photoelectric sensor and people's body thickness are installed on the photoelectric sensor erecting frame detect photoelectric sensor, human body length detection photoelectric sensor and people's body thickness detect photoelectric sensor and are connected to programmable controller PLC by the intrinsic safety terminal box.
2. a kind of belt according to claim 1 is anti-takes advantage of people's limiting protection equipment, and it is characterized in that: described programmable controller PLC also is connected with distant place homing light with distant place reset button respectively.
3. a kind of belt according to claim 1 is anti-takes advantage of people's limiting protection equipment, it is characterized in that: described programmable controller PLC also is connected with fortune people signal input unit, fortune coal signal input unit and maintenance signal input unit respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320268811 CN203217327U (en) | 2013-05-17 | 2013-05-17 | Belt rider offside prevention protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320268811 CN203217327U (en) | 2013-05-17 | 2013-05-17 | Belt rider offside prevention protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203217327U true CN203217327U (en) | 2013-09-25 |
Family
ID=49206849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320268811 Expired - Fee Related CN203217327U (en) | 2013-05-17 | 2013-05-17 | Belt rider offside prevention protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203217327U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105035681A (en) * | 2015-07-01 | 2015-11-11 | 淮南联合大学 | Belt-conveyer taken person offside monitoring system based on DSP |
-
2013
- 2013-05-17 CN CN 201320268811 patent/CN203217327U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105035681A (en) * | 2015-07-01 | 2015-11-11 | 淮南联合大学 | Belt-conveyer taken person offside monitoring system based on DSP |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 Termination date: 20140517 |