CN104494500A - Field operation sanitation equipment maintenance operation platform - Google Patents
Field operation sanitation equipment maintenance operation platform Download PDFInfo
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- CN104494500A CN104494500A CN201410497777.3A CN201410497777A CN104494500A CN 104494500 A CN104494500 A CN 104494500A CN 201410497777 A CN201410497777 A CN 201410497777A CN 104494500 A CN104494500 A CN 104494500A
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Abstract
The invention discloses a field operation sanitation equipment maintenance operation platform. The field operation sanitation equipment maintenance operation platform comprises a carriage body, wherein a carriage door is arranged on the carriage body; the inside of the carriage body is divided into two sides, wherein one side is provided with a tool instrument loading unit and a computer cabinet in sequence in a direction of entering the carriage from the carriage door, and the other side is provided with a detecting worktable, a detecting tool box loading unit and a generator in sequence in the direction of entering the carriage from the carriage door; a dehumidifier and an air conditioner are arranged at the inner side of a carriage wall opposite to the carriage door; an outer unit of the air conditioner is arranged at the outer side of the carriage wall opposite to the carriage door, and is connected with the air conditioner; a voltage stabilizing power supply and a distribution box are arranged on the detecting worktable; the generator is connected with a power supply switching module; the power supply switching module is connected with the distribution box; the distribution box is connected with the voltage stabilizing power supply; and the voltage stabilizing power supply is connected with detecting equipment. The field operation sanitation equipment maintenance operation platform not only can guarantee sufficient storage of spare and accessory parts, but also can guarantee that metering detecting equipment and maintenance tools are complete and that the spare and accessory parts can be quickly searched and positioned.
Description
Technical field
The present invention relates to a kind of field medical equipment maintenance work platform.
Background technology
The important component part that field medical equipment is equipped as army rear service, in field operations health support, play an important role, deepen continuously along with my army is modern, the inspection platform of my army's field medical equipment achieves certain development in theory innovation, Support Mode and technical merit etc.
Current maintenance mechanism is not the overall blank of equipment repair job platform is exactly insufficiency of function:
One is equipment Safeguard system imperfection, and overall supportability is not strong.Maintenance for Equipment can't accomplish integration.
Two is that maintenance support mode still can not reach requirement efficiently in time completely, ensures ageing not strong.
Three is that maintenance support technology and equipment falls behind, and makes overall supportability not strong.
Summary of the invention
Object of the present invention is exactly to solve the problem, a kind of field medical equipment maintenance work platform is provided, it has the job platform that have developed and be applicable to the quick examination and repair of my army's field medical equipment, achieves field medical equipment maintenance integration, vehicularized object advantage.
To achieve these goals, the present invention adopts following technical scheme:
A kind of field medical equipment maintenance work platform, comprise car body, described car body is provided with car door, described car body is divided internally into both sides, wherein side is provided with instrument instrument load units and Computer cabinet successively along the direction entering compartment from car door, side is provided with overhauling workbench successively along the direction entering compartment from car door in addition, service kit case load units and electrical generator, dehumidifier and air-conditioning is provided with inside the compartment wall faced with car door, outdoor machine of air-conditioner is provided with outside the described compartment wall faced with car door, described air-conditioning is connected with outdoor machine of air-conditioner, described overhauling workbench is provided with constant voltage power suspply and switch box, described electrical generator is connected with power adapting module, described power adapting module is connected with switch box, described switch box is connected with constant voltage power suspply, described constant voltage power suspply is connected with check implement, and described switch box is air-conditioning, dehumidifier, temperature sensor, humidity sensor, lighting installation, switch plug and other electricity consumption facility powers,
Described instrument instrument load units is divided into level three unit, each unit be divided into again vertical six for depositing gauge check standard subelement, the bottom of each subelement and two madial walls are all equipped with shockproof foam mat, and each subelement is the subelement of drawer type.
Each drawer type subelement is equipped with hand push button, knock hole and clamp button of the spring for pulling the drawer out.
The inside of described drawer type subelement is provided with the button linkage matched with hand push button, described button linkage is connected with two springs respectively by steel wire, two springs are connected with respective clamp button of the spring respectively, described clamp button of the spring is arranged on the two ends of the door of drawer, snaps in the knock hole of drawer type subelement both sides when described clamp button of the spring ejects.
The length of described instrument instrument load units is A, the wide height for B, described instrument instrument load units of described instrument instrument load units is C;
The computing formula of described A is: A=3a+4d1+6d2;
The computing formula of described B is: B=b+2d1+d2;
The computing formula of described C is: C=6h+7d1+6d2;
Wherein, a represents each length for depositing gauge check standard subelement, b represents that each wide, h for depositing gauge check standard subelement represents each height for depositing gauge check standard subelement, the thickness of the framework of d1 representational tool instrument load units, d2 represents the thickness of the shockproof foam mat of interpolation.
The analog signal collected is sent into A/D transfer device respectively by temperature control circuit and humidity regulation circuit by described temperature sensor and humidity sensor, A/D transfer device sends into computing machine after carrying out conversion process to signal, described computing machine is also connected with humiture automatic checkout equipment, described computing machine is also connected with outside output module, and described outside output module is also connected with serial communication module and immunity module respectively;
Described air-conditioning and dehumidifier are used for regulating the humiture of repair and maintaining, finally make the requirement that humiture reaches required, and under guarantee field environment, the detection of special equipment is carried out smoothly;
Described computing machine is used for the process computing to change over signal, according to analysis result, selects whether carry out control to environment conditioning terminal and drives;
Described humiture automatic checkout equipment is Temperature Humidity Sensor, for gathering temperature-humidity signal;
Described outside output module is used for controlling environment conditioning terminal when detector is used alone;
Described serial communication module adopts MAX202 chip, for realizing the communication of job platform and remote control center, the control uploading and receive control center of humiture data;
Described immunity module is used for the stable of keeping system.
Described humidity regulation circuit comprises the first op amp U1A and the first op amp U1B, the input end in the same way of described first op amp U1A is connected with+5V power supply by electric capacity, and the reverse input end of described first op amp U1A is by the first resistance R1 ground connection, the reverse input end of described first op amp U1A is connected with 2.5V voltage with the first slide rheostat W1 by the second resistance R2, the positive supply ground connection of described first op amp U1A, the negative supply of described first op amp U1A connects 12V voltage, the mouth of described first op amp U1A is connected with the inverting input of the first op amp U1A with resistance R3 by the first slide rheostat W2 connected successively, the mouth of described first op amp U1A is connected with the in-phase input end of the first op amp U1B by resistance R4, the mouth of described first op amp U1A is also connected with 15V voltage, the inverting input of described first op amp U1A is by the first resistance R4 ground connection, the in-phase input end of described first op amp U1B is by the first resistance R5 ground connection, the inverting input of described first op amp U1B is connected to the mouth of the first op amp U1B.
Described temperature control circuit comprises the second op amp U1A and the second op amp U1B, the input end in the same way of described second op amp U1A is connected with+5V constant current source, the input end in the same way of described second op amp U1A is by platinum resistance thermometer sensor, PT100 ground connection, the reverse input end of described second op amp U1A is by the second resistance R1 ground connection, the reverse input end of described second op amp U1A is connected with 2.5V voltage with slide rheostat W3 by the second resistance R2, the positive supply ground connection of described second op amp U1A, the negative supply of described second op amp U1A connects 12V voltage, the mouth of described second op amp U1A is connected with the inverting input of the second op amp U1A with resistance R3 by the second slide rheostat W1 connected successively, the mouth of described second op amp U1A is connected with the in-phase input end of the second op amp U1B, the mouth of described second op amp U1A is also connected with 5V voltage, the inverting input of described second op amp U1A is by the second resistance R4 ground connection, the positive supply of described second op amp U1B is connected with 10V voltage with the second slide rheostat W2 by the second resistance R5 connected successively.
Described A/D transfer device adopts TLC2543 chip, and described TLC2543 chip has the resolution of 12, and the maximum sampling frequency provided is 66ksps, has general serial interface SPI.
TLC2543 has 3 control input ends: input chip choosing end CS, I/O clock I/O CLOCK and serial data input DATA INPUT, one in any one or three built-in self testing voltages during 14 passage Port Multipliers in sheet select 11 to input, sampling maintenance is automatic; By 3 state mouth DATA OUT of a serial and the serial port communication of primary processor or other periphery, export transformation result;
8 of TLC2543 control number of words, and high 4 determine humiture switching channel number, and low 4 determine to export data length and form, and the output data length of TLC2543 is 12.
The specific works process that TLC2543 carries out A/D conversion is: after powering on, and input chip choosing end CS from high to low, must could start-task the cycle, and now EOC is high, and input data register is set to 0, and the content exporting data register is random;
During beginning, input chip choosing end CS is high, and I/O clock I/O CLOCK, serial data input DATAINPUT are prohibited, and DATA OUT is high-impedance state, and EOC is high.Make input chip select end CS step-down, I/O clock I/O CLOCK, serial data input DATA INPUT are enable, and DATA OUT departs from high-impedance state,
12 clock signals add successively from I/O clock I/O CLOCK end, along with adding of clock signal, control word is admitted to TLC2543 from serial data input DATA INPUT mono-when the positive rise of clock signal, a high position is first sent into, go up the A/D data of a periodic conversion, the data exported in data register shift out mono-by one from DATA OUT simultaneously; After TLC2543 receives the 4th clock signal, this channel number carrying out humiture conversion also receives, and now TLC2543 starts to sample to the analog quantity of selected passage, and remains to the falling edge of the 12nd clock; At the 12nd clock falling edge, EOC step-down, starts to carry out A/D conversion to the analog quantity of this sampling, converts EOC and uprise, and the data of conversion exist in output data register, treat that next cycle of operations exports; After this, carry out new cycle of operations, the collection of temperature-humidity signal and high-precision A/D transfer problem are solved.
Beneficial effect of the present invention:
First 1 this platform can realize maintenance program optimization selection, accurately tracing trouble objectively, determines required accessory kind and quantity.
Secondly, according to the related request of equipment repair engineering theory and regulation of metrological verification, for realizing maintenance support integration, complete maintenance and the metering of field medical equipment, can not only ensure that spare and accessory parts deposit is sufficient, also will ensure that the complete and spare and accessory parts of metering and measuring equipment, service tools search plain quick position.
Current maintenance mechanism is not the overall blank of equipment repair job platform is exactly insufficiency of function, so must carry out design and optimal combination to the structure function of upkeep operation platform.Finally, according to the requirement of regulation of metrological verification, verify the environmental requirement that should possess, equip gauge check terms and conditions under ensureing field condition and meet the requirements.
2. for adapting to the needs that field operations maintenance ensures, realize the target that equipment maintenance is fast, good, smart, accurate, the present invention combines the practical experience of equipment maintenance, foreign equipment maintenance support theory and technology, adopt modular design method, have developed the job platform being applicable to the quick examination and repair of my army's field medical equipment, achieve field medical equipment maintenance integration, vehicularized object.
3. present invention employs the instrument instrument load units that cordwood system stacks combined structure design, achieve each cell and automatically regulate, solve the packing problems of different size instrument.
4. the present invention devises closing appliance, improves load units job platform safety and stability performance under field environment.
Accompanying drawing explanation
Fig. 1 is that field maintenance equipment cart improves layout;
Fig. 2 is instrument instrument load units planar view;
Fig. 3 is closing appliance;
Fig. 4 is platform environment automatic detection and control system block diagram;
Fig. 5 is humidity regulation circuit diagram;
Fig. 6 is temperature control circuit figure;
Fig. 7 is electric power system block diagram;
Fig. 8 is the placement schematic diagram of constant voltage power suspply;
Wherein, 1. car door; 2. instrument instrument load units; 3. Computer cabinet; 4. dehumidifier; 5. air-conditioning; 6. outdoor machine of air-conditioner; 7. electrical generator; 8. service kit case load units; 9. constant voltage power suspply; 10. overhauling workbench; 11. switch boxs; 12. hand push buttons; 13. knock holees; 14. clamp button of the spring; 15. first springs; 16. button linkages; 17. steel wires; 18. other electricity consumption facilities; 19. second springs; 20. foam mats; 21.; 22. closing appliances, 23. temperature sensors, 24. humidity sensors, 25. temperature control circuits, 26. humidity regulation circuit, 27.A/D modular converter, 28. computing machines, 29. environment conditioning terminals, 30. serial communication modules, 31. outside output modules, 32. immunity module, 33. civil powers, 34. power adapting modules, 35. constant voltage power suspplys, 36. check implements, 37. light equipments, 38. switch plug.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the invention will be further described.
Body design is optimized design using certain type field medical equipment maintenance car of assembling as body.Research takes up from car body factor, make it the requirement meeting modern times " field operations maintenance integration ", ensure that it is on the basis of medical equipment maintenance security function, possesses the function of hygienic equipment situ metrology and application quality detection, instrument instrument load units 2 is redesigned simultaneously, and be loaded with gauge check instrument for maintenance car increases; Finally to be correlated with the Environmental Technology requirement to hygienic equipment quality testing such as vertification regulation according to national military standard, the present invention has carried out Curve guide impeller from aspects such as the stability of the humiture automatic detection and control system of operation room and vehicle power item by item to the job platform of maintenance car, and integral layout as shown in Figure 1.
In order to improve repair quality and efficiency, the present invention, according to the relation of each key element of maintenance process, introduces maintenance engineering theoretical, devises maintenance PDCA circulation model.In the model, utilize metering and measuring equipment to carry out detection to the damage rate that fault is equipped to quantize, computer technology is adopted to carry out comprehensive system analysis to the maintainability of field medical equipment, and carry out automatic decision and regulation and control to whether the working environment of field medical equipment is up to standard, for accurate tracing trouble objectively, determine required accessory kind and quantity and select optimization maintenance program and provide theories integration.
PDCA circulation model mainly comprises: the target call clearly keeped in repair, and accordingly preliminary project is proposed, and then preliminary project assessed and revises confirmation, and mature technology design and implementation design on this basis, so some circulations repeatedly, try to achieve best design, embody the design philosophy such as science, economy, reliability of maintenance; For improving the accuracy rate of breakdown judge, reducing False Rate, can also erroneous judgement example be concluded, be dissected, sum up universal law, further increase overhaul efficiency and quality.
A kind of field medical equipment maintenance work platform, comprise car body, described car body is provided with car door 1, described car body is divided internally into both sides, wherein side is provided with instrument instrument load units 2 and Computer cabinet 3 successively along the direction entering compartment from car door 1, side is provided with overhauling workbench 10 successively along the direction entering compartment from car door 1 in addition, service kit case load units 8 and electrical generator 7, dehumidifier 4 and air-conditioning 5 is provided with inside the compartment wall faced with car door 1, outdoor machine of air-conditioner 6 is provided with outside the described compartment wall faced with car door 1, described air-conditioning 5 is connected with outdoor machine of air-conditioner 6, described overhauling workbench 10 is provided with constant voltage power suspply 9 and switch box 11, described electrical generator 7 is connected with power adapting module, described power adapting module is connected with switch box 11, described switch box 11 is connected with constant voltage power suspply 9, described constant voltage power suspply 9 is connected with check implement, and described switch box 11 is powered for air-conditioning 5, dehumidifier 4, temperature sensor 23, humidity sensor 24, light equipment 37, switch plug 38 and other electricity consumption facilities 18,
Described instrument instrument load units 2 is divided into level three unit, each unit be divided into again vertical six for depositing gauge check standard subelement, the bottom of each subelement and two madial walls are all equipped with shockproof foam mat 20, and each subelement is the subelement of drawer type.
Each drawer type subelement is equipped with hand push button 12, knock hole 13 and clamp button of the spring 14 for pulling the drawer out.
The inside of described drawer type subelement is provided with the button linkage 16 matched with hand push button 12, described button linkage 16 is connected with two springs respectively by steel wire 17, two springs are connected with respective clamp button of the spring 14 respectively, described clamp button of the spring 14 is arranged on the two ends of the door 21 of drawer type subelement, snaps in the knock hole 13 of drawer type subelement both sides when described clamp button of the spring 14 ejects.
The length of described instrument instrument load units 2 is A, the wide height for B, described instrument instrument load units 2 of described instrument instrument load units 2 is C;
The computing formula of described A is: A=3a+4d1+6d2;
The computing formula of described B is: B=b+2d1+d2;
The computing formula of described C is: C=6h+7d1+6d2;
Wherein, a represents each length for depositing gauge check standard subelement, b represents that each wide, h for depositing gauge check standard subelement represents each height for depositing gauge check standard subelement, the thickness of the framework of d1 representational tool instrument load units 2, d2 represents the thickness of the shockproof foam mat 20 of interpolation.
As shown in Figure 4, the analog passband signal excess temperature circuit for regulating and controlling 25 collected is sent into A/D transfer device 27 by described temperature sensor 23, the analog signal collected is sent into A/D transfer device 27 by humidity regulation circuit 26 by described humidity sensor 24, computing machine 28 is sent into after A/D transfer device 27 pairs of signals carry out conversion process, described computing machine 28 is also connected with environment conditioning terminal 29, described computing machine 28 is also connected with outside output module 31, and described outside output module 31 is also connected with serial communication module 30 and immunity module 32 respectively;
Described air-conditioning 5 and dehumidifier 4, for regulating the humiture of repair and maintaining, finally make the requirement that humiture reaches required, and under guarantee field environment, the detection of special equipment is carried out smoothly;
Described computing machine is used for the process computing to change over signal, according to analysis result, selects whether carry out control to environment conditioning terminal and drives;
Described humiture automatic checkout equipment is Temperature Humidity Sensor, for gathering temperature-humidity signal;
Described outside output module is used for controlling environment conditioning terminal when detector is used alone;
Described serial communication module adopts MAX202 chip, for realizing the communication of job platform and remote control center, the control uploading and receive control center of humiture data;
Described immunity module is used for the stable of keeping system.
As shown in Figure 5, described humidity regulation circuit comprises the first op amp U1A and the first op amp U1B, the input end in the same way of described first op amp U1A is connected with+5V power supply by electric capacity, and the reverse input end of described first op amp U1A is by the first resistance R1 ground connection, the reverse input end of described first op amp U1A is connected with 2.5V voltage with the first slide rheostat W1 by the second resistance R2, the positive supply ground connection of described first op amp U1A, the negative supply of described first op amp U1A connects 12V voltage, the mouth of described first op amp U1A is connected with the inverting input of the first op amp U1A with resistance R3 by the first slide rheostat W2 connected successively, the mouth of described first op amp U1A is connected with the in-phase input end of the first op amp U1B by resistance R4, the mouth of described first op amp U1A is also connected with 15V voltage, the inverting input of described first op amp U1A is by the first resistance R4 ground connection, the in-phase input end of described first op amp U1B is by the first resistance R5 ground connection, the inverting input of described first op amp U1B is connected to the mouth of the first op amp U1B.
As shown in Figure 6, described temperature control circuit comprises the second op amp U1A and the second op amp U1B, the input end in the same way of described second op amp U1A is connected with+5V constant current source, the input end in the same way of described second op amp U1A is by platinum resistance thermometer sensor, PT100 ground connection, the reverse input end of described second op amp U1A is by the second resistance R1 ground connection, the reverse input end of described second op amp U1A is connected with 2.5V voltage with slide rheostat W3 by the second resistance R2, the positive supply ground connection of described second op amp U1A, the negative supply of described second op amp U1A connects 12V voltage, the mouth of described second op amp U1A is connected with the inverting input of the second op amp U1A with resistance R3 by the second slide rheostat W1 connected successively, the mouth of described second op amp U1A is connected with the in-phase input end of the second op amp U1B, the mouth of described second op amp U1A is also connected with 5V voltage, the inverting input of described second op amp U1A is by the second resistance R4 ground connection, the positive supply of described second op amp U1B is connected with 10V voltage with the second slide rheostat W2 by the second resistance R5 connected successively.
Described A/D transfer device adopts TLC2543 chip, and described TLC2543 chip has the resolution of 12, and the maximum sampling frequency provided is 66ksps, has general serial interface SPI.
TLC2543 has 3 control input ends: input chip choosing end CS, I/O clock I/O CLOCK and serial data input DATA INPUT, one in any one or three built-in self testing voltages during 14 passage Port Multipliers in sheet select 11 to input, sampling maintenance is automatic; By 3 state mouth DATA OUT of a serial and the serial port communication of primary processor or other periphery, export transformation result;
8 of TLC2543 control number of words, and high 4 determine humiture switching channel number, and low 4 determine to export data length and form, and the output data length of TLC2543 is 12.
The specific works process that TLC2543 carries out A/D conversion is: after powering on, and input chip choosing end CS from high to low, must could start-task the cycle, and now EOC is high, and input data register is set to 0, and the content exporting data register is random;
During beginning, input chip choosing end CS is high, and I/O clock I/O CLOCK, serial data input DATAINPUT are prohibited, and DATA OUT is high-impedance state, and EOC is high.Make input chip select end CS step-down, I/O clock I/O CLOCK, serial data input DATA INPUT are enable, and DATA OUT departs from high-impedance state,
12 clock signals add successively from I/O clock I/O CLOCK end, along with adding of clock signal, control word is admitted to TLC2543 from serial data input DATA INPUT mono-when the positive rise of clock signal, a high position is first sent into, go up the A/D data of a periodic conversion, the data exported in data register shift out mono-by one from DATA OUT simultaneously; After TLC2543 receives the 4th clock signal, this channel number carrying out humiture conversion also receives, and now TLC2543 starts to sample to the analog quantity of selected passage, and remains to the falling edge of the 12nd clock; At the 12nd clock falling edge, EOC step-down, starts to carry out A/D conversion to the analog quantity of this sampling, converts EOC and uprise, and the data of conversion exist in output data register, treat that next cycle of operations exports; After this, carry out new cycle of operations, the collection of temperature-humidity signal and high-precision A/D transfer problem are solved.Mathematical modeling
The important content of maintainability design reduces the frequency of preventive maintenance and shortens the time of break down maintenance.The present invention carries out quantitative analysis according to the repair status of field medical equipment and data, wherein mean time to repair
be an important parameter of maintainability design, be the aviation value of each maintenance of equipment required actual, maintenance herein had both comprised the maintenance of trouble-shooting, also comprised preventive maintenance.Mean time to repair
available following formulae discovery:
In formula: λ---the fault rate of equipment
F
f---the frequency of equipment preventive maintenance
---average preventive maintenance time
---Mean Time To Repair
The main contents of preventive maintenance comprise: periodic inspection, maintaining, plannedly change part, adjustment, inspection etc., and its computing formula is:
In formula: f
fj---the frequency of jth item preventive maintenance operation
---the averaging time needed for the operation of jth item preventive maintenance
The operation number of m---preventive maintenance project
Average time for repair of breakdowns M
fdrefer to the averaging time needed for trouble-shooting, mainly comprise failure judgement, determine trouble location, trouble-shooting and adjustment and proving time, its computing formula is:
In formula: λ
i---the fault rate of i-th
---i-th fault mean time to repair
The design of instrument instrument load units 2 length, width and height
Instrument instrument load units 2 adopts cordwood system stacked configuration, be divided into 3 unit, each unit can assemble 6 groups, by to the long a of standard, wide b, high h, (not of uniform size due to each standard, after measuring, by length respectively due to 50cm, 41cm, 16cm) the measurement of the thickness d 2=3cm of the thickness d 1=4cm of the framework of instrument instrument load units 2 and the shockproof foam mat of interpolation, utilizes following formulae discovery:
A＝3a+4d1+6d2；
B＝b+2d1+d2；
C=6h+7d1+6d2; (formula 1)
A: load units length; B: load units width; C: load units height
As shown in Figure 2, for the anchor fitting on instrument instrument load units 2 and setting device, its principle of work is when the buckle in closing appliance 22 is in diastole state, be stuck in the big hole in Fig. 3, play the effect of fixing gauge check standard group, and setting device can the height of adjustment means instrument load units 2, for gauge check standard is placed more flexible, more convenient.
As shown in Figure 3, the principle of work of closing appliance 22: button linkage 16 is connected with external hand button, when field operations repair apparatus, when pressing hand push button, button linkage 16 strains the first spring 15 and the second spring 19 by steel wire 17, thus back-moving spring buckle 14, the buckle be stuck in instrument instrument load units 2 is packed up, the door 21 of instrument instrument load units can be launched, carry out field operations maintenance, when vehicle take-offs, button linkage 16 can be made to be in loosening state, clamp button of the spring 14 is stuck in the circular hole (as shown in Figure 2) of instrument instrument load units, reach the effect of fixing gauge check standard group.
Based on the platform environment automatic detection and control system of computer technology
According to the environmental requirement of GJB2725A-2001 to equipment maintenance, the present invention adopts computer intellectual technology to be that field medical equipment maintenance work platform devises environment automatic detection and control system, mainly comprises humiture automatic detection system, computer intelligence analyzes display system and environment conditioning terminal system three parts (see Fig. 4).
This system utilizes Temperature Humidity Sensor collection signal, analog signal is carried out A/D conversion, send that computing machine carries out processing, computing to, computing machine is according to analysis result, select whether carry out control to environment conditioning terminal to drive, mainly comprise dehumidifying and air-conditioning, thus the humiture of repair and maintaining is controlled automatically, and then under ensureing field environment, Measuring error carries out smoothly.
For realizing the real-time Automated condtrol of system, guarantee stable, this system increase devises serial communication, outside output and disturbance rejection three supplementary modules.Serial communication part adopts conventional MAX202 chip, realize the serial communication of detector and control center, warm and humid angle value data upload and by control center's automatic governing, unifiedly to control.P1 mouth low 4 as the delivery port externally carrying out controlling, break-make control can be carried out by this delivery port to solid-state relay when this detector is used alone, thus drive outside output module, environment conditioning terminal is controlled.
The collection of humiture automatic regulating system signal
Humiture automatic regulating system utilizes Temperature Humidity Sensor collection signal, because the signal directly collected is difficult to process, therefore sensor is utilized to convert tractable electric signal to the signal collected, after multistage amplification process, carry out high-precision A/D conversion, there is the humiture analogue signal acquisition circuit of multistage amplification respectively as shown in Fig. 5 humidity regulation circuit diagram, Fig. 6 temperature control circuit figure, Temperature and Humidity Control magnitude of voltage after regulation and control has 0-5V and 0-10V two kinds of standard output voltages respectively, to strengthen its applicable performance.
A/D conversion adopts TLC2543 chip, and it has the resolution of 12, and the maximum sampling frequency provided is 66ksps, has high-speed transitions ability and general control ability, has general serial interface (SPI).
TLC2543 has 3 control input ends: input end CS (sheet choosing), I/O clock (I/O CLOCK) and serial data input (DATAlNPUT).One in any one or three built-in self testing voltages during 14 passage Port Multipliers in sheet can select 11 to input, sampling maintenance is automatic.It can pass through the 3 state mouths (DATA OUT) of a serial and the serial port communication of primary processor or other periphery, exports transformation result.
8 of TLC2543 control number of words, and high 4 (D7-D4) determine humiture switching channel number, and low 4 determine to export data length and form, and output 1 data length of TLC2543 has 8,12,16, and the present invention adopts 12 A/D conversion chips.
The specific works process that TLC2543 carries out A/D conversion is: after powering on, and sheet selects CS from high to low, must could start-task the cycle, and now EOC is high, and input data register is set to 0, and the content exporting data register is random.
During beginning, sheet selects CS to be high, and I/O CLOCK, DATA INPUT are prohibited, and DATA OUT is high-impedance state, and EOC is high.Make CS step-down, I/0 CLOCK, DATA INPUT are enable, and DATAOUT departs from high-impedance state,
12 clock signals add successively from I/O CLOCK end, along with adding of clock signal, control word is from DATAINPUT mono-the ground TLC2543 (high position is first sent into) that made a gift to someone when the positive rise of clock signal, go up the A/D data of a periodic conversion, namely the data exported in data register shift out mono-by one from DATA OUT simultaneously.After TLC2543 receives the 4th clock signal, this channel number carrying out humiture conversion also receives, and now TLC2543 starts to sample to the analog quantity of selected passage, and remains to the falling edge of the 12nd clock.At the 12nd clock falling edge, EOC step-down, starts to carry out A/D conversion to the analog quantity of this sampling, about needs 10 μ s transfer time, convert EOC and uprise, and the data of conversion exist in output data register, treat that next cycle of operations exports.After this, can carry out new cycle of operations, the collection of temperature-humidity signal and high-precision A/D transfer problem are solved.
The improvement of power supply
Power supply supply is one of fundamental of field medical equipment maintenance, it not only will provide the power supply of maintenance equipment and room light, also will to the power supply of detected equipment, therefore this just requires that power supply provides stable voltage to seem particularly necessary, the present invention has done further improvement on the basis of original controller switching equipment for this reason, be equipped with good reliability, noise is little, the purification voltage stabilizer (Shanghai Guan Cai electric corporation SVC-3KVA type) that environmental adaptability is good.Stable voltage is provided to check implement and detected equipment.Electric power system is made up of power pack, distribution section, electricity consumption part, purified voltage stabilized power source four part.Its power distribution (as shown in Fig. 7 electric power system block diagram), described electrical generator 7 is all connected with power adapting module 34 with civil power 33, described power adapting module 34 is connected with electric power distribution cabinet 11, described electric power distribution cabinet 11 is connected with constant voltage power suspply 35, described constant voltage power suspply 35 is connected with check implement 36, and described electric power distribution cabinet 11 is also connected with air-conditioning 5, temperature sensor 23, humidity sensor 24, light equipment 37, switch plug 38 and other electricity consumption facility 18 respectively.
Fig. 8 principle of design: dig out a groove the same with the bottom shape of purified voltage stabilized power source on foam mat, by constant voltage power suspply standing groove, guarantee that purified voltage stabilized power source can have higher safety and stability performance in long-distance transport.
Through above-mentioned design and improvement, the equipments such as 12 Sets of Measurement examination criteria device groups, 7 groups of spare and accessory parts casees and 5 groups of service kit casees are loaded with for field medical equipment maintenance work platform is equipped with, optimize power supply etc., show through application, the continuous closed-loop Measuring error to equipment degree of injury can be realized, improve repair quality and efficiency, and solve the problem of field operations operating environment humiture automatic decision and regulation and control.Adopt block construction to stack the instrument instrument load units of unitized design, achieve each cell and automatically regulate, solve the packing problems of different size instrument, improve load units job platform safety and firmness performance under field environment.
This job platform application and maintenance PDCA Cyclical Theory model, by the technical parameter of computer auto-detection field medical equipment, maintenance thinking is provided by system auto-control, effectively can improve overhaul efficiency and the quality of field medical equipment, shorten the repair time, reduce the cost of overhaul, avoid blindly and waste material, rapid rush-repair and the detection in field medical equipment flat wartime can be completed.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (10)
1. a field medical equipment maintenance work platform, it is characterized in that, comprise car body, described car body is provided with car door, described car body is divided internally into both sides, wherein side is provided with instrument instrument load units and Computer cabinet successively along the direction entering compartment from car door, side is provided with overhauling workbench successively along the direction entering compartment from car door in addition, service kit case load units and electrical generator, dehumidifier and air-conditioning is provided with inside the compartment wall faced with car door, outdoor machine of air-conditioner is provided with outside the described compartment wall faced with car door, described air-conditioning is connected with outdoor machine of air-conditioner, described overhauling workbench is provided with constant voltage power suspply and switch box, described electrical generator is connected with power adapting module, described power adapting module is connected with switch box, described switch box is connected with constant voltage power suspply, described constant voltage power suspply is connected with check implement, and described switch box is air-conditioning, dehumidifier, temperature sensor, humidity sensor, lighting installation, switch plug and other electricity consumption facility powers,
Described instrument instrument load units is divided into level three unit, each unit be divided into again vertical six for depositing gauge check standard subelement, the bottom of each subelement and two madial walls are all equipped with shockproof foam mat, and each subelement is the subelement of drawer type.
2. a kind of field medical equipment maintenance work platform as claimed in claim 1, is characterized in that, each drawer type subelement is equipped with hand push button, knock hole and clamp button of the spring for pulling the drawer out;
The inside of described drawer type subelement is provided with the button linkage matched with hand push button, described button linkage is connected with two springs respectively by steel wire, two springs are connected with respective clamp button of the spring respectively, described clamp button of the spring is arranged on the two ends of the door of drawer, snaps in the knock hole of drawer type subelement both sides when described clamp button of the spring ejects.
3. a kind of field medical equipment maintenance work platform as claimed in claim 1, is characterized in that, the length of described instrument instrument load units is A, the wide height for B, described instrument instrument load units of described instrument instrument load units is C;
The computing formula of described A is: A=3a+4d1+6d2;
The computing formula of described B is: B=b+2d1+d2;
The computing formula of described C is: C=6h+7d1+6d2;
Wherein, a represents each length for depositing gauge check standard subelement, b represents that each wide, h for depositing gauge check standard subelement represents each height for depositing gauge check standard subelement, the thickness of the framework of d1 representational tool instrument load units, d2 represents the thickness of the shockproof foam mat of interpolation.
4. a kind of field medical equipment maintenance work platform as claimed in claim 1, it is characterized in that, the analog signal collected is sent into A/D transfer device respectively by temperature control circuit and humidity regulation circuit by described temperature sensor and humidity sensor, A/D transfer device sends into computing machine after carrying out conversion process to signal, described computing machine is also connected with humiture automatic checkout equipment, described computing machine is also connected with outside output module, and described outside output module is also connected with serial communication module and immunity module respectively.
5. a kind of field medical equipment maintenance work platform as described in claim 1 or 4, is characterized in that, described air-conditioning is for regulating the temperature in car body; Described dehumidifier is for removing the moisture in car body; The temperature and humidity data analysis that described computing machine is used for humiture automatic checkout equipment gathers judges, judges whether to exceed setting threshold; Described humiture automatic checkout equipment is Temperature Humidity Sensor; Described outside output module is for exporting the data of computer export; Described serial communication module adopts MAX202 chip, for realizing the communication of job platform and remote control center, the control uploading and receive control center of humiture data; Described immunity module is used for preventing signal disturbing.
6. a kind of field medical equipment maintenance work platform as claimed in claim 4, it is characterized in that, described humidity regulation circuit comprises the first op amp U1A and the first op amp U1B, the input end in the same way of described first op amp U1A is connected with+5V power supply by electric capacity, and the reverse input end of described first op amp U1A is by the first resistance R1 ground connection, the reverse input end of described first op amp U1A is connected with 2.5V voltage with the first slide rheostat W1 by the second resistance R2, the positive supply ground connection of described first op amp U1A, the negative supply of described first op amp U1A connects 12V voltage, the mouth of described first op amp U1A is connected with the inverting input of the first op amp U1A with resistance R3 by the first slide rheostat W2 connected successively, the mouth of described first op amp U1A is connected with the in-phase input end of the first op amp U1B by resistance R4, the mouth of described first op amp U1A is also connected with 15V voltage, the inverting input of described first op amp U1A is by the first resistance R4 ground connection, the in-phase input end of described first op amp U1B is by the first resistance R5 ground connection, the inverting input of described first op amp U1B is connected to the mouth of the first op amp U1B.
7. a kind of field medical equipment maintenance work platform as claimed in claim 4, it is characterized in that, described temperature control circuit comprises the second op amp U1A and the second op amp U1B, the input end in the same way of described second op amp U1A is connected with+5V constant current source, the input end in the same way of described second op amp U1A is by platinum resistance thermometer sensor, PT100 ground connection, the reverse input end of described second op amp U1A is by the second resistance R1 ground connection, the reverse input end of described second op amp U1A is connected with 2.5V voltage with slide rheostat W3 by the second resistance R2, the positive supply ground connection of described second op amp U1A, the negative supply of described second op amp U1A connects 12V voltage, the mouth of described second op amp U1A is connected with the inverting input of the second op amp U1A with resistance R3 by the second slide rheostat W1 connected successively, the mouth of described second op amp U1A is connected with the in-phase input end of the second op amp U1B, the mouth of described second op amp U1A is also connected with 5V voltage, the inverting input of described second op amp U1A is by the second resistance R4 ground connection, the positive supply of described second op amp U1B is connected with 10V voltage with the second slide rheostat W2 by the second resistance R5 connected successively.
8. a kind of field medical equipment maintenance work platform as claimed in claim 4, it is characterized in that, described A/D transfer device adopts TLC2543 chip, and described TLC2543 chip has the resolution of 12, the maximum sampling frequency provided is 66ksps, has general serial interface SPI.
9. a kind of field medical equipment maintenance work platform as claimed in claim 8, it is characterized in that, TLC2543 has 3 control input ends: input chip choosing end CS, I/O clock I/O CLOCK and serial data input DATAINPUT, one in any one or three built-in self testing voltages during 14 passage Port Multipliers in sheet select 11 to input, sampling maintenance is automatic; By 3 state mouth DATA OUT of a serial and the serial port communication of primary processor or other periphery, export transformation result;
8 of TLC2543 control number of words, and high 4 determine humiture switching channel number, and low 4 determine to export data length and form, and the output data length of TLC2543 is 12.
10. a kind of field medical equipment maintenance work platform as claimed in claim 8, is characterized in that,
The specific works process that TLC2543 carries out A/D conversion is: after powering on, and input chip choosing end CS from high to low, must could start-task the cycle, and now EOC is high, and input data register is set to 0, and the content exporting data register is random;
During beginning, input chip choosing end CS is high, and I/O clock I/O CLOCK, serial data input DATAINPUT are prohibited, and DATA OUT is high-impedance state, and EOC is high; Make input chip select end CS step-down, I/O clock I/O CLOCK, serial data input DATA INPUT are enable, and DATA OUT departs from high-impedance state,
12 clock signals add successively from I/O clock I/O CLOCK end, along with adding of clock signal, control word is admitted to TLC2543 from serial data input DATA INPUT mono-when the positive rise of clock signal, a high position is first sent into, go up the A/D data of a periodic conversion, the data exported in data register shift out mono-by one from DATA OUT simultaneously; After TLC2543 receives the 4th clock signal, this channel number carrying out humiture conversion also receives, and now TLC2543 starts to sample to the analog quantity of selected passage, and remains to the falling edge of the 12nd clock; At the 12nd clock falling edge, EOC step-down, starts to carry out A/D conversion to the analog quantity of this sampling, converts EOC and uprise, and the data of conversion exist in output data register, treat that next cycle of operations exports; After this, carry out new cycle of operations, collection and the A/D transfer problem of temperature-humidity signal are solved.
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| CN2108880U (en) * | 1991-11-28 | 1992-07-01 | 清华大学机械厂 | Mutifunctional handcard for maintenance of refrigerator equipment |
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