CN203794385U - Elevator brake displacement detection system - Google Patents
Elevator brake displacement detection system Download PDFInfo
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- CN203794385U CN203794385U CN201420173050.5U CN201420173050U CN203794385U CN 203794385 U CN203794385 U CN 203794385U CN 201420173050 U CN201420173050 U CN 201420173050U CN 203794385 U CN203794385 U CN 203794385U
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- 239000003990 capacitor Substances 0.000 claims description 36
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- 101100042631 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) SIN3 gene Proteins 0.000 description 1
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Abstract
The utility model discloses an elevator brake displacement detection system which comprises an inductive displacement transducer, a decoding circuit, an elevator brake excitation signal source, a signal processing circuit, a microcontroller, a memory circuit, a keying circuit, a display circuit, and an indication circuit, the inductive displacement transducer is arranged on an elevator brake, the input end of the decoding circuit is connected with the output end of the inductive displacement transducer, the input end of the signal processing circuit is connected with the output end of the elevator brake excitation signal source, and the decoding circuit, the memory circuit, the display circuit, the signal processing circuit, the keying circuit and the induction circuit are all connected with the microcontroller respectively. The elevator brake displacement detection system monitors and displays the distance value of the elevator brake in real time, and accurately records and displays the opening and closing times of the brake, so that a worker can conveniently know the working condition of an elevator at any time.
Description
Technical field
The utility model relates to elevator field, relates in particular to a kind of elevator internal contracting brake displacement detection system.
Background technology
At present, elevator internal contracting brake displacement detection system on market adopts travel switch to detect, can only detect two kinds of mode of operations of open and close of elevator internal contracting brake, and cannot detect the distance value in elevator internal contracting brake gap, and current elevator internal contracting brake open and close number of times recording method step is complicated, the data that obtain are accurate not, make people cannot know the service condition of elevator internal contracting brake comprehensively, thereby bring problems.
Summary of the invention
The utility model, for defects such as the distance value that cannot detect elevator internal contracting brake gap existing in prior art, data logging step are complicated and accurate not, provides a kind of new elevator internal contracting brake displacement detection system.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:
A kind of elevator internal contracting brake displacement detection system, comprise inductive displacement transducer, decoding circuit, elevator internal contracting brake exciting signal source, signal processing circuit, microcontroller, memory circuitry, key circuit, display circuit, indicating circuit, described inductive displacement transducer is arranged on elevator internal contracting brake, for detection of elevator internal contracting brake distance and send analog signal; The input end of described decoding circuit is connected with the mouth of inductive displacement transducer, and the analog signal of sending for receiving inductance formula displacement pickup is also decoded; The input end of described signal processing circuit is connected with the mouth of elevator internal contracting brake exciting signal source, the elevator internal contracting brake pumping signal that the control elevator internal contracting brake sending for reception & disposal elevator internal contracting brake exciting signal source opens and closes; The input end of the mouth of described decoding circuit, memory circuitry, display circuit is connected with the SPI interface of microcontroller respectively, the mouth of signal processing circuit is connected with the GPIO interrupt source pin of microcontroller, the mouth of key circuit is connected with the exterior interrupt pin of microcontroller, and the input end of indicating circuit is connected with the GPIO mouth of microcontroller.
Microcontroller is as system master chip, be responsible for monitoring and controlling the operation of other circuit, elevator is in operational process, opening of elevator internal contracting brake, the behavior of closing is controlled by elevator internal contracting brake pumping signal, signal processing circuit is received and is processed by microcontroller after can receiving this elevator internal contracting brake pumping signal processing, and then can accurately record opening of elevator internal contracting brake, close number of times, and by microcontroller, data are sent to display circuit and show, inductive displacement transducer can detect elevator internal contracting brake clearance distance value in real time, and the analog electrical signal that output packet contains displacement information is to decoding circuit, decoding circuit is converted to this analog electrical signal digital signal and outputs to microcontroller and processes, after being disposed, microcontroller is by according to the difference of testing result, control indicating circuit and export the light of different implications, electricity, sound composite signal is pointed out staff, so that staff overhauls, memory circuitry is for the required significant data of memory system operational process, even if there is the situation of power-off, also can guarantee that data can not lose, key circuit convenient operation personnel manually control checking system, if manual Backup Data is to memory system, show elevator internal contracting brake shift value, replacement band-type brake opens and closes number of times etc.
As preferably, a kind of elevator internal contracting brake displacement detection system described above, described inductive displacement transducer comprises inductor, LC resonator, described inductor is arranged on the quiet metal sheet of elevator internal contracting brake and is connected with the input end of decoding circuit, and described LC resonator is arranged on the moving metal sheet of elevator internal contracting brake and is corresponding with inductor.
Inductive displacement transducer can detect the distance between the moving metal sheet of elevator internal contracting brake and quiet metal sheet in real time by inductor and LC resonator, and signal detection being obtained by inductor sends to after decoding circuit is processed and sends to microcontroller, and by display circuit real-time monitored distance value, facilitate staff to understand elevator service condition.
As preferably, a kind of elevator internal contracting brake displacement detection system described above, described inductor is PCB coil.Survey precision is high and simple in structure, convenient during installation.
As preferably, a kind of elevator internal contracting brake displacement detection system described above, the LPC1768 chip of described microcontroller WeiNXP company.LPC1768 chip has advantages of high integration and low-power consumption, more accurate while monitoring and controlling other circuit operations.
As preferably, a kind of elevator internal contracting brake displacement detection system described above, the acp chip of described decoding circuit is the CAM204 chip of Cambridge IC company.CAM204 chip has high precision, can calculate with high precision displacement digital quantity.
As preferably, a kind of elevator internal contracting brake displacement detection system described above, described signal processing circuit comprises diode D5, zener diode D8, optocoupler U8, resistance R 21, resistance R 24～R26, resistance R 28～R31, capacitor C 37～C38, described diode D5, resistance R 21 and resistance R 29 are series between the first pin and elevator internal contracting brake exciting signal source of optocoupler U8, resistance R 24, resistance R 26, resistance R 28, resistance R 30 is parallel to the two ends of resistance R 21, the crus secunda of optocoupler U8 is connected with reference to ground with band-type brake pumping signal, resistance R 31, capacitor C 37, capacitor C 38 and zener diode D8 be parallel to band-type brake pumping signal with reference to and resistance R 29 left ends between, the tripod of optocoupler U8 connects the 15 pin of microcontroller, the 4th pin of optocoupler U8 connects the 19 pin of microcontroller by resistance R 25, the 4th pin of optocoupler U8 is connected with the 51 pin of microcontroller.
As preferably, a kind of elevator internal contracting brake displacement detection system described above, described memory circuitry is nonvolatile memory, and the first pin of described nonvolatile memory, crus secunda, tripod, the 4th pin are connected with the 79 pin, the 70 octal, the 77 pin, the 76 pin of microcontroller respectively.
As preferably, a kind of elevator internal contracting brake displacement detection system described above, described key circuit comprises resistance R 13, light-emitting diode D1, button S2, capacitor C 22, described button S2 is connected with one end of capacitor C 22 parallel connections and the 15 pin of microcontroller, the other end in parallel is connected with the 52 pin of microcontroller, the negative electrode of light-emitting diode D1 respectively, the anodic bonding of one end of resistance R 13 and light-emitting diode D1, the other end of resistance R 13 is connected with the 19 pin of microcontroller.
As preferably, a kind of elevator internal contracting brake displacement detection system described above, described display circuit comprises charactron U2, digital pipe driving chip U4, resistance R 14～R16, capacitor C 28～C30, the 11 pin of charactron U2, the 7th pin, the 4th pin, crus secunda, the first pin, the tenth pin, the 5th pin, tripod, the 6th pin, octal, the 9th pin, the 12 pin respectively with the 6th pin of digital pipe driving chip U4, the 7th pin, octal, the 9th pin, the tenth pin, the 11 pin, the 12 pin, the tenth triangle, the 14 pin, the 15 pin, the 17 pin, the tenth octal connects, described resistance R 14 and capacitor C 28, resistance R 15 and capacitor C 29, resistance R 16 is parallel to after connecting respectively with capacitor C 30 between the 19 pin and the 15 pin of microcontroller again, the digital power that 5 pins of digital pipe driving chip U4 and 16 pins connect respectively microcontroller and digital reference ground, the first pin connecting resistance R16 of digital pipe driving chip U4 and the common port of capacitor C 30, connect the 34 pin of microcontroller simultaneously, the crus secunda connecting resistance R15 of digital pipe driving chip U4 and the common port of capacitor C 29, connect the 35 pin of microcontroller simultaneously, the tripod connecting resistance R14 of digital pipe driving chip U4 and the common port of capacitor C 28 connect the 36 pin of microcontroller simultaneously.
As preferably, a kind of elevator internal contracting brake displacement detection system described above, described indicating circuit comprises aerotron Q2～Q5, aerotron Q7, light-emitting diode D6～D7, light-emitting diode D10, buzzer phone LS1, resistance R 19, resistance R 20, resistance R 22, resistance R 23, resistance R 20, resistance R 27, resistance R 20, resistance R 32, resistance R 20, resistance R 33, resistance R 36, the 57 pin of microcontroller is connected to the base stage of aerotron Q2 via resistance R 19, the grounded emitter of aerotron Q2, the 57 pin of microcontroller is connected to the base stage of aerotron Q4 via resistance R 22, the collecting electrode of aerotron Q4 connects the 19 pin of microcontroller, the 15 pin that the emitter of aerotron Q4 is connected to microcontroller via the light-emitting diode D7 connecting and resistance R 27, the 50 octal of microcontroller is connected to the base stage of aerotron Q3 via resistance R 20, the grounded emitter of aerotron Q3, the 50 octal of microcontroller is connected to the base stage of aerotron Q5 via resistance R 23, the collecting electrode of aerotron Q5 connects the 19 pin of microcontroller, the 15 pin that the emitter of aerotron Q5 is connected to microcontroller via the light-emitting diode D6 connecting and resistance R 32, the 15 pin that the 59 pin of microcontroller is connected to microcontroller via the resistance R 33 of connecting and light-emitting diode D10, the 50 pin of microcontroller is connected to the base stage of aerotron Q7 via resistance R 36, the emitter of aerotron Q7 connects the 15 pin of microcontroller, the collecting electrode of aerotron Q7 is connected to the 19 pin of microcontroller via buzzer phone LS1.
The utlity model has following beneficial effect:
(1) can Real-Time Monitoring and show and the distance value of elevator internal contracting brake can accurately record and show band-type brake open and close number of times, facilitate staff to understand at any time elevator service condition;
(2) when the distance value of elevator internal contracting brake surpasses safe range, that indicating circuit represents external output to report to the police is optical, electrical, sound and composite signal thereof, and staff can be according to the reason of different signal failure judgement, more convenient;
(3) can store at any time significant data, even if there is powering-off state, also can not cause the loss of data;
(4) can manually to system, operate, more hommization.
Accompanying drawing explanation
Fig. 1 is the circuit block diagram of a kind of elevator internal contracting brake displacement detection system of the utility model;
Fig. 2 is the structural representation of elevator internal contracting brake;
Fig. 3 is the schematic circuit diagram of microcontroller;
The power circuit schematic diagram that Fig. 4 (a) is decoding circuit;
The excitation signal circuit for generating schematic diagram that Fig. 4 (b) is decoding circuit;
The filtering bias circuit schematic diagram that Fig. 4 (c) is decoding circuit;
Fig. 5 is the schematic circuit diagram of signal processing circuit;
Fig. 6 is the schematic circuit diagram of memory circuitry;
Fig. 7 is the schematic circuit diagram of key circuit;
Fig. 8 (a) is the schematic circuit diagram of charactron in display circuit;
Fig. 8 (b) is the schematic circuit diagram of digital pipe driving chip in display circuit;
Fig. 9 (a) is the schematic circuit diagram of light-emitting diode D7 part in indicating circuit;
Fig. 9 (b) is the schematic circuit diagram of light-emitting diode D6 part in indicating circuit;
Fig. 9 (c) is the schematic circuit diagram of light-emitting diode D10 part in indicating circuit;
Fig. 9 (d) is the schematic circuit diagram of buzzer phone LS1 part in indicating circuit.
The specific embodiment
Below in conjunction with accompanying drawing 1-9 (d) and the specific embodiment, the utility model is described in further detail, but they are not to restriction of the present utility model:
embodiment 1
As shown in Fig. 1 to Fig. 9 (d), a kind of elevator internal contracting brake displacement detection system, comprise inductive displacement transducer 4, decoding circuit 3, elevator internal contracting brake exciting signal source 5, signal processing circuit 6, microcontroller 2, memory circuitry 7, key circuit 8, display circuit 9, indicating circuit 1, described inductive displacement transducer 4 is arranged on elevator internal contracting brake, for detection of elevator internal contracting brake distance and send analog signal; The input end of described decoding circuit 3 is connected with the mouth of inductive displacement transducer 4, and the analog signal of sending for receiving inductance formula displacement pickup 4 is also decoded; The input end of described signal processing circuit 6 is connected with the mouth of elevator internal contracting brake exciting signal source 5, the elevator internal contracting brake pumping signal that the control elevator internal contracting brake sending for reception & disposal elevator internal contracting brake exciting signal source 5 opens and closes; The input end of the mouth of described decoding circuit 3, memory circuitry 7, display circuit 9 is connected with the SPI interface of microcontroller 2 respectively, the mouth of signal processing circuit 6 is connected with the GPIO interrupt source pin of microcontroller 2, the mouth of key circuit 8 is connected with the exterior interrupt pin of microcontroller 2, and the input end of indicating circuit 1 is connected with the GPIO mouth of microcontroller 2.
During work, 4 pairs of elevator internal contracting brake gaps of inductive displacement transducer are detected, and the analog electrical signal that output packet contains displacement information is to decoding circuit 3, decoding circuit 3 is converted to digital signal by this analog electrical signal and outputs to microcontroller 2 processes and obtains elevator internal contracting brake distance value, microcontroller 2 judges elevator internal contracting brake distance value simultaneously, according to the difference of judged result, control the light of the different implications of indicating circuit 1 output, electricity, sound composite signal is pointed out staff, due to opening of elevator internal contracting brake, the behavior of closing is controlled by elevator internal contracting brake pumping signal, microcontroller 2 is processed and be sent to signal processing circuit 6 after receiving this elevator internal contracting brake pumping signal, the signal that 2 pairs of signal processing circuits of microcontroller 6 send process after for obtaining the switching number of times of elevator internal contracting brake, and the switching number of times of elevator internal contracting brake is sent to display circuit 9 shows, when staff need to check real-time elevator internal contracting brake distance value, can data be shown on display circuit 9 by key circuit 8, staff also can manually back up significant data to memory circuitry 7 by key circuit 8, or the inferior numerical value of elevator internal contracting brake is made zero etc.
As preferably, described inductive displacement transducer 4 comprises inductor 10, LC resonator 11, described inductor 10 is arranged on the quiet metal sheet 13 of elevator internal contracting brake and is connected with the input end of decoding circuit 3, and described LC resonator 11 is arranged on the moving metal sheet 12 of elevator internal contracting brake and is corresponding with inductor 10.
As preferably, described inductor 10 is PCB coil.
During work, decoding circuit 3 produces excitation signal, this signal transfers to the excitation coil of the inductor 10 being connected with decoding circuit 3, high frequency excitation signal in excitation coil and the combined action of LC resonator, make sin coil and the cos coil of inductor 10 produce respectively analog signal, the decoded circuit 3 of this signal receives, and then calculates the digital quantity of reflection displacement.
As preferably, the LPC1768 chip of described microcontroller 2 WeiNXP companies.
As preferably, the acp chip of described decoding circuit 3 is the CAM204 chip of Cambridge IC company.
The excitation signal circuit for generating of decoding circuit 3 comprises 2 metal-oxide-semiconductor Q1A, Q1B and corresponding resistance-capacitance circuit, the input end of the filtering bias circuit of decoding circuit 3 is resistance R 8, resistance R 9, the contact of resistance R 11 and resistance R 10 is connected respectively mouth SIN3, COS3, the VREF end of inductive displacement transducer 4, and the 15 pin of CAM204 chip, the 16 pin, the 17 pin, the tenth octal connect respectively the 60 pin, the 64 pin, the 62 pin, the 61 pin of microcontroller 2.
As preferably, described signal processing circuit 6 comprises diode D5, zener diode D8, optocoupler U8, resistance R 21, resistance R 24～R26, resistance R 28～R31, capacitor C 37～C38, described diode D5, resistance R 21 and resistance R 29 are series between the first pin and elevator internal contracting brake exciting signal source 5 of optocoupler U8, resistance R 24, resistance R 26, resistance R 28, resistance R 30 is parallel to the two ends of resistance R 21, the crus secunda of optocoupler U8 is connected with reference to ground with band-type brake pumping signal, resistance R 31, capacitor C 37, capacitor C 38 and zener diode D8 be parallel to band-type brake pumping signal with reference to and resistance R 29 left ends between, the tripod of optocoupler U8 connects the 15 pin of microcontroller 2, the 4th pin of optocoupler U8 connects the 19 pin of microcontroller 2 by resistance R 25, the 4th pin of optocoupler U8 is connected with the 51 pin of microcontroller 2.
As preferably, described memory circuitry 7 is nonvolatile memory, and the first pin of described nonvolatile memory, crus secunda, tripod, the 4th pin are connected with the 79 pin, the 70 octal, the 77 pin, the 76 pin of microcontroller 2 respectively.
As preferably, described key circuit 8 comprises resistance R 13, light-emitting diode D1, button S2, capacitor C 22, described button S2 is connected with one end of capacitor C 22 parallel connections and the 15 pin of microcontroller 2, the other end in parallel is connected with the 52 pin of microcontroller 2, the negative electrode of light-emitting diode D1 respectively, the anodic bonding of one end of resistance R 13 and light-emitting diode D1, the other end of resistance R 13 is connected with the 19 pin of microcontroller 2.
As preferably, described display circuit 9 comprises charactron U2, digital pipe driving chip U4, resistance R 14～R16, capacitor C 28～C30, the 11 pin of charactron U2, the 7th pin, the 4th pin, crus secunda, the first pin, the tenth pin, the 5th pin, tripod, the 6th pin, octal, the 9th pin, the 12 pin respectively with the 6th pin of digital pipe driving chip U4, the 7th pin, octal, the 9th pin, the tenth pin, the 11 pin, the 12 pin, the tenth triangle, the 14 pin, the 15 pin, the 17 pin, the tenth octal connects, described resistance R 14 and capacitor C 28, resistance R 15 and capacitor C 29, resistance R 16 is parallel to after connecting respectively with capacitor C 30 between the 19 pin and the 15 pin of microcontroller 2 again, the digital power that 5 pins of digital pipe driving chip U4 and 16 pins connect respectively microcontroller 2 and digital reference ground, the first pin connecting resistance R16 of digital pipe driving chip U4 and the common port of capacitor C 30, connect the 34 pin of microcontroller 2 simultaneously, the crus secunda connecting resistance R15 of digital pipe driving chip U4 and the common port of capacitor C 29, connect the 35 pin of microcontroller 2 simultaneously, the tripod connecting resistance R14 of digital pipe driving chip U4 and the common port of capacitor C 28 connect the 36 pin of microcontroller 2 simultaneously.
As preferably, described indicating circuit 1 comprises aerotron Q2～Q5, aerotron Q7, light-emitting diode D6～D7, light-emitting diode D10, buzzer phone LS1, resistance R 19, resistance R 20, resistance R 22, resistance R 23, resistance R 20, resistance R 27, resistance R 20, resistance R 32, resistance R 20, resistance R 33, resistance R 36, the 57 pin of microcontroller 2 is connected to the base stage of aerotron Q2 via resistance R 19, the grounded emitter of aerotron Q2, the 57 pin of microcontroller 2 is connected to the base stage of aerotron Q4 via resistance R 22, the collecting electrode of aerotron Q4 connects the 19 pin of microcontroller 2, the 15 pin that the emitter of aerotron Q4 is connected to microcontroller 2 via the light-emitting diode D7 connecting and resistance R 27, the 50 octal of microcontroller 2 is connected to the base stage of aerotron Q3 via resistance R 20, the grounded emitter of aerotron Q3, the 50 octal of microcontroller 2 is connected to the base stage of aerotron Q5 via resistance R 23, the collecting electrode of aerotron Q5 connects the 19 pin of microcontroller 2, the 15 pin that the emitter of aerotron Q5 is connected to microcontroller 2 via the light-emitting diode D6 connecting and resistance R 32, the 15 pin that the 59 pin of microcontroller 2 is connected to microcontroller 2 via the resistance R 33 of connecting and light-emitting diode D10, the 50 pin of microcontroller 2 is connected to the base stage of aerotron Q7 via resistance R 36, the emitter of aerotron Q7 connects the 15 pin of microcontroller 2, the collecting electrode of aerotron Q7 is connected to the 19 pin of microcontroller 2 via buzzer phone LS1.
In a word, the foregoing is only preferred embodiment of the present utility model, the equalization that all scopes of applying for a patent according to the utility model are done changes and modifies, and all should belong to covering scope of the present utility model.
Claims (10)
1. an elevator internal contracting brake displacement detection system, it is characterized in that: comprise inductive displacement transducer (4), decoding circuit (3), elevator internal contracting brake exciting signal source (5), signal processing circuit (6), microcontroller (2), memory circuitry (7), key circuit (8), display circuit (9), indicating circuit (1), described inductive displacement transducer (4) is arranged on elevator internal contracting brake, for detection of elevator internal contracting brake distance and send analog signal; The input end of described decoding circuit (3) is connected with the mouth of inductive displacement transducer (4), and the analog signal of sending for receiving inductance formula displacement pickup (4) is also decoded; The input end of described signal processing circuit (6) is connected with the mouth of elevator internal contracting brake exciting signal source (5), the elevator internal contracting brake pumping signal that the control elevator internal contracting brake sending for reception & disposal elevator internal contracting brake exciting signal source (5) opens and closes; The input end of the mouth of described decoding circuit (3), memory circuitry (7), display circuit (9) is connected with the SPI interface of microcontroller (2) respectively, the mouth of signal processing circuit (6) is connected with the GPIO interrupt source pin of microcontroller (2), the mouth of key circuit (8) is connected with the exterior interrupt pin of microcontroller (2), and the input end of indicating circuit (1) is connected with the GPIO mouth of microcontroller (2).
2. elevator internal contracting brake displacement detection system according to claim 1, it is characterized in that: described inductive displacement transducer (4) comprises inductor (10), LC resonator (11), it is upper and is connected with the input end of decoding circuit (3) that described inductor (10) is arranged at the quiet metal sheet (13) of elevator internal contracting brake, and the moving metal sheet (12) that described LC resonator (11) is arranged at elevator internal contracting brake is gone up and be corresponding with inductor (10).
3. elevator internal contracting brake displacement detection system according to claim 2, is characterized in that: described inductor (10) is PCB coil.
4. elevator internal contracting brake displacement detection system according to claim 1, is characterized in that: the LPC1768 chip of described microcontroller (2) WeiNXP company.
5. elevator internal contracting brake displacement detection system according to claim 4, is characterized in that: the acp chip of described decoding circuit (3) is the CAM204 chip of Cambridge IC company.
6. elevator internal contracting brake displacement detection system according to claim 4, it is characterized in that: described signal processing circuit (6) comprises diode D5, zener diode D8, optocoupler U8, resistance R 21, resistance R 24～R26, resistance R 28～R31, capacitor C 37～C38, described diode D5, resistance R 21 and resistance R 29 are series between the first pin and elevator internal contracting brake exciting signal source (5) of optocoupler U8, resistance R 24, resistance R 26, resistance R 28, resistance R 30 is parallel to the two ends of resistance R 21, the crus secunda of optocoupler U8 is connected with reference to ground with band-type brake pumping signal, resistance R 31, capacitor C 37, capacitor C 38 and zener diode D8 be parallel to band-type brake pumping signal with reference to and resistance R 29 left ends between, the tripod of optocoupler U8 connects the 15 pin of microcontroller (2), the 4th pin of optocoupler U8 connects the 19 pin of microcontroller (2) by resistance R 25, the 4th pin of optocoupler U8 is connected with the 51 pin of microcontroller (2).
7. elevator internal contracting brake displacement detection system according to claim 4, it is characterized in that: described memory circuitry (7) is nonvolatile memory, and the first pin of described nonvolatile memory, crus secunda, tripod, the 4th pin are connected with the 79 pin, the 70 octal, the 77 pin, the 76 pin of microcontroller (2) respectively.
8. elevator internal contracting brake displacement detection system according to claim 4, it is characterized in that: described key circuit (8) comprises resistance R 13, light-emitting diode D1, button S2, capacitor C 22, described button S2 is connected with the 15 pin of microcontroller (2) with one end of capacitor C 22 parallel connections, the other end in parallel is connected with the 52 pin of microcontroller (2), the negative electrode of light-emitting diode D1 respectively, the anodic bonding of one end of resistance R 13 and light-emitting diode D1, the other end of resistance R 13 is connected with the 19 pin of microcontroller (2).
9. elevator internal contracting brake displacement detection system according to claim 4, is characterized in that: described display circuit (9) comprises charactron U2, digital pipe driving chip U4, resistance R 14～R16, capacitor C 28～C30, the 11 pin of charactron U2, the 7th pin, the 4th pin, crus secunda, the first pin, the tenth pin, the 5th pin, tripod, the 6th pin, octal, the 9th pin, the 12 pin respectively with the 6th pin of digital pipe driving chip U4, the 7th pin, octal, the 9th pin, the tenth pin, the 11 pin, the 12 pin, the tenth triangle, the 14 pin, the 15 pin, the 17 pin, the tenth octal connects, described resistance R 14 and capacitor C 28, resistance R 15 and capacitor C 29, resistance R 16 is parallel to after connecting respectively with capacitor C 30 between the 19 pin and the 15 pin of microcontroller (2) again, the digital power that 5 pins of digital pipe driving chip U4 and 16 pins connect respectively microcontroller (2) and digital reference ground, the first pin connecting resistance R16 of digital pipe driving chip U4 and the common port of capacitor C 30, connect the 34 pin of microcontroller (2) simultaneously, the crus secunda connecting resistance R15 of digital pipe driving chip U4 and the common port of capacitor C 29, connect the 35 pin of microcontroller (2) simultaneously, the tripod connecting resistance R14 of digital pipe driving chip U4 and the common port of capacitor C 28, connect the 36 pin of microcontroller (2) simultaneously.
10. elevator internal contracting brake displacement detection system according to claim 4, it is characterized in that: described indicating circuit (1) comprises aerotron Q2～Q5, aerotron Q7, light-emitting diode D6～D7, light-emitting diode D10, buzzer phone LS1, resistance R 19, resistance R 20, resistance R 22, resistance R 23, resistance R 20, resistance R 27, resistance R 20, resistance R 32, resistance R 20, resistance R 33, resistance R 36, the 57 pin of microcontroller (2) is connected to the base stage of aerotron Q2 via resistance R 19, the grounded emitter of aerotron Q2, the 57 pin of microcontroller (2) is connected to the base stage of aerotron Q4 via resistance R 22, the collecting electrode of aerotron Q4 connects the 19 pin of microcontroller (2), the 15 pin that the emitter of aerotron Q4 is connected to microcontroller (2) via the light-emitting diode D7 connecting and resistance R 27, the 50 octal of microcontroller (2) is connected to the base stage of aerotron Q3 via resistance R 20, the grounded emitter of aerotron Q3, the 50 octal of microcontroller (2) is connected to the base stage of aerotron Q5 via resistance R 23, the collecting electrode of aerotron Q5 connects the 19 pin of microcontroller (2), the 15 pin that the emitter of aerotron Q5 is connected to microcontroller (2) via the light-emitting diode D6 connecting and resistance R 32, the 15 pin that the 59 pin of microcontroller (2) is connected to microcontroller (2) via the resistance R 33 of connecting and light-emitting diode D10, the 50 pin of microcontroller (2) is connected to the base stage of aerotron Q7 via resistance R 36, the emitter of aerotron Q7 connects the 15 pin of microcontroller (2), the collecting electrode of aerotron Q7 is connected to the 19 pin of microcontroller (2) via buzzer phone LS1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420173050.5U CN203794385U (en) | 2014-04-11 | 2014-04-11 | Elevator brake displacement detection system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420173050.5U CN203794385U (en) | 2014-04-11 | 2014-04-11 | Elevator brake displacement detection system |
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| CN203794385U true CN203794385U (en) | 2014-08-27 |
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| CN201420173050.5U Expired - Lifetime CN203794385U (en) | 2014-04-11 | 2014-04-11 | Elevator brake displacement detection system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104609275A (en) * | 2015-02-05 | 2015-05-13 | 宁波申菱电梯配件有限公司 | Drum-type tractor band-type brake monitoring device |
| CN104961033A (en) * | 2015-07-06 | 2015-10-07 | 康力电梯股份有限公司 | Device for detecting of displacement of host |
| CN105487954A (en) * | 2015-11-25 | 2016-04-13 | 上海工程技术大学 | Microprocessor peripheral circuit for micro-displacement test system |
| CN107628501A (en) * | 2017-11-03 | 2018-01-26 | 东莞市联洲知识产权运营管理有限公司 | A kind of adjustable elevator internal contracting brake displacement detecting mechanism |
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2014
- 2014-04-11 CN CN201420173050.5U patent/CN203794385U/en not_active Expired - Lifetime
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| CN104609275A (en) * | 2015-02-05 | 2015-05-13 | 宁波申菱电梯配件有限公司 | Drum-type tractor band-type brake monitoring device |
| CN104961033A (en) * | 2015-07-06 | 2015-10-07 | 康力电梯股份有限公司 | Device for detecting of displacement of host |
| CN105487954A (en) * | 2015-11-25 | 2016-04-13 | 上海工程技术大学 | Microprocessor peripheral circuit for micro-displacement test system |
| CN107628501A (en) * | 2017-11-03 | 2018-01-26 | 东莞市联洲知识产权运营管理有限公司 | A kind of adjustable elevator internal contracting brake displacement detecting mechanism |
| CN107628501B (en) * | 2017-11-03 | 2019-11-05 | 郑灵芝 | A kind of adjustable elevator internal contracting brake displacement detecting mechanism |
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