CN202661237U - Air tightness detection device for three-clack valve of puncture outfit - Google Patents
Air tightness detection device for three-clack valve of puncture outfit Download PDFInfo
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- CN202661237U CN202661237U CN 201220233786 CN201220233786U CN202661237U CN 202661237 U CN202661237 U CN 202661237U CN 201220233786 CN201220233786 CN 201220233786 CN 201220233786 U CN201220233786 U CN 201220233786U CN 202661237 U CN202661237 U CN 202661237U
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- valve
- clack
- microcontroller
- solenoid valve
- clack valve
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Abstract
The utility model relates to an air tightness detection device for the three-clack valve of a puncture outfit, wherein a, the air tightness detection device comprises a three-clack valve fixture (6) and an air cylinder (8), and a compacting head (9) is arranged on the air cylinder; b, the intake tube and the exhaust tube of the air cylinder are connected with a first electromagnetic valve (1) respectively, and the first electromagnetic valve is connected with an air source; c, the exhaust tube of the three-clack valve fixture is connected with a second electromagnetic valve (2), and the second electromagnetic valve is connected with the air source; d, the exhaust tube of the three-clack valve fixture is connected with a pressure sensor (5), a flow sensor (4) and a throttle valve (3) respectively, and the throttle valve is connected with a stepper motor M; and e, a microcontroller and a power supply module are further arranged, and the first electromagnetic valve, the second electromagnetic valve, the pressure sensor, the flow sensor and the stepper motor M are connected with the microcontroller. The air tightness detection device disclosed by the utility model is used for performing high-accuracy control on the air source with an ultra-low pressure difference and high flow based on the microcontroller, automatically completing a detection process, and observing the real-time value measured by the sensor and displaying the result via a human-computer interference, and has the advantages of being simple in structure, stable in performance, high in detection efficiency, and simple in operation, etc.
Description
Technical field:
The utility model relates to a kind of production equipment of medicine equipment, particularly three clack valve air-tightness detection devices in a kind of puncture outfit.
Background technology:
Puncture outfit has been widely used in the operation, puncture outfit mainly by puncture needle, sleeve pipe and
Three clack valvesForm Deng parts.After in puncture needle and the sleeve pipe insertion human body, the repeatedly movable of puncture needle cooperates to guarantee air tight by rubber three clack valves.As the medicine equipment that directly acts on human body, it is particularly main that the sealing property of three clack valves just seems.But how to detect three clack valve impermeability, still do not have ripe checkout equipment at present.
The utility model content:
The purpose of this utility model just provides a kind ofly can automatically, efficiently finish the device that three clack valve sealings in the puncture outfit are detected automatically.
To achieve these goals, the utility model has adopted following technical scheme:
A kind of puncture outfit three clack valve air-tightness detection devices is characterized in that comprising:
A, three clack valve anchor clamps and a cylinder, cylinder piston rod is provided with the hold-down head that cooperates with three clack valve anchor clamps;
The draft tube of b, cylinder and gas outlet are connected with the first solenoid valve respectively, and the first solenoid valve is connected with source of the gas by tracheae;
C, three clack valve anchor clamps gas outlets are connected with the second solenoid valve, and the second solenoid valve is connected with source of the gas by tracheae;
D, three clack valve anchor clamps gas outlets are connected with respectively pressure transducer, flow sensor and throttling valve, and throttling valve is connected with stepper motor M;
E, the power module that a microcontroller is set and matches, described pressure transducer, flow sensor are connected by data line with stepper motor M and are connected with microcontroller; The first solenoid valve, the second solenoid valve are connected with microcontroller by data line respectively.
On the basis of technique scheme, following further technical scheme can be arranged:
Before the first solenoid valve and the second solenoid valve, be respectively equipped with reduction valve;
Be provided with photoelectric protective switch at three clack valve anchor clamps and a cylinder front, photoelectric protective switch is connected with microcontroller by data line.
In addition, can also be provided with the LCD human-machine interface module and as a result indicating module be connected with microcontroller.
In the technique scheme, power module is mainly the circuit measuring element and control element provides required separately power supply; Micro controller module is the core of hardware circuit, mainly carries out the processing of pressure flow detection, actuating mechanism controls, sequential control and the data of detection system; Sensor assembly comprises pressure transducer and flow sensor, and pressure and data on flows to gas circuit during measurement gather; Gas circuit control module and pressure control module are being measured the tightly control of device, gas-filled switching tube and detected pressures of time control superzapping; The LCD human-machine interface module mainly carries out the output display of real-time measuring data, can carry out the pressure current numberical value of quantity and show and dynamic graph display; The photoelectric protection module is the protective device of installing in the monitor station both sides, and when preventing that operating personnel from placing detected object, hand does not in time move on to home and hold down gag presses down and causes mishap; Gauge tap mainly is that reset signal is provided when the beginning detection signal being provided after placing detected object the time and detecting substandard product.
The utility model has the advantage of:
Carry out the control of high precision ultra low differential pressure, larger flux gas sources based on microcontroller, automatically finish testing process, observe the measured real-time numerical value of sensor by man-machine interface, and show the result.Have simple in structure, stable performance, high, the simple operation and other advantages of detection efficiency.
Description of drawings:
Fig. 1 is system architecture diagram of the present utility model;
Fig. 2 is pressure control principle drawing of the present utility model.
Embodiment:
As shown in Figure 1, a kind of puncture outfit three clack valve air-tightness detection devices that the utility model provides comprise following components:
1, power module is mainly the circuit measuring element and control element provides required separately power supply;
2, micro controller module is the core of hardware circuit, mainly carries out the processing of pressure flow detection, actuating mechanism controls, sequential control and the data of detection system.Microcontroller uses the NXP LPC1343 of company, and it can be used for processing the Embedded Application of high integration and low-power consumption based on ARM Cortex-M3 second generation kernel.ARM Cortex-M3 provides the enhancement mode characteristic for system, the debugging characteristic that for example strengthens and to the support of module high integration.The CPU operating frequency of LPC1343 microcontroller can be up to 72 MHz.Have 3 level production lines and adopt Harvard structure, band is local instruction and data bus and the three-bus that is used for peripheral hardware independently.ARM Cortex-M3 CPU also comprises an inner pre-fetch unit, supports the branch operation of at random redirect.The peripheral component of LPC1343 microcontroller comprises Flash storer, the data-carrier store of 8KB, USB device, 1 the Fast-mode Plus(FM+ up to 32KB) I2C interface, 1 UART, 4 general purpose timers and 42 general purpose I/O pins nearly, 10 ADC realize that between 8 pins input is multiplexed.Detection system uses the I2C interface to communicate by letter with pressure transducer, uses UART RS232 interface to communicate by letter with LCD HMI human-machine interface module, uses one road A/D to obtain the output quantity of flowmeter;
3, sensor assembly comprises pressure transducer and flow sensor, and pressure and data on flows to gas circuit during measurement gather;
4, gas circuit control module and pressure control module are being measured the tightly control of device, gas-filled switching tube and detected pressures of time control superzapping;
5, LCD human-machine interface module mainly carries out the output display of real-time measuring data, can carry out the pressure current numberical value of quantity and show and dynamic graph display;
6, the photoelectric protection module is the protective device of installing in the monitor station both sides, and when preventing that operating personnel from placing detected object, hand does not in time move on to home and hold down gag presses down and causes mishap; Gauge tap mainly is that reset signal is provided when the beginning detection signal being provided after placing detected object the time and detecting substandard product.
As shown in Figure 2, a kind of puncture outfit three clack valve air-tightness detection devices that the utility model provides specifically comprise:
A, three clack valve anchor clamps 6 and a cylinder 8, the piston rod of cylinder are provided with hold-down head 9, the three clack valve anchor clamps 6 that cooperate with three clack valve anchor clamps and have cavity, can place three clack valves 7 in the cavity, and the above pushes down the location by hold-down head 9;
The draft tube of b, cylinder and gas outlet are connected with the first solenoid valve 1 respectively, and the first solenoid valve 1 is connected with source of the gas by tracheae;
The gas outlet that c, three clack valve anchor clamps connect is connected with the second solenoid valve 2, and the second solenoid valve 2 is connected with source of the gas by tracheae;
Be connected with respectively pressure transducer 5, flow sensor 4 and throttling valve 3 on d, the three clack valve anchor clamps gas outlets, throttling valve 3 is connected with stepper motor M;
E, the power module that a microcontroller is set and matches, described pressure transducer 5, flow sensor 4 are connected by data line with stepper motor M and are connected with microcontroller; The first solenoid valve 1, the second solenoid valve 2 are connected with microcontroller by data line respectively.
In addition, before the first solenoid valve and the second solenoid valve, be respectively equipped with reduction valve 10,11; Be provided with photoelectric protective switch at three clack valve anchor clamps and a cylinder front, photoelectric protective switch is connected with microcontroller by data line.
First and second solenoid valve of microprocessor controls is opened respectively air feed, makes hold-down head 9 that three clack valves 7 are pushed down air inlet below location, the three clack valve anchor clamps.Microcontroller detects gaging pressure by pressure transducer, re-uses the discharge quantity that pid algorithm control step motor is regulated throttling valve, so that pressure reaches setting value.Always calculate three clack valve air leakages (and impermeability) by the flow, the pressure that detect, and be presented on the LCD human-machine interface module.
Hold down gag is comprised of cylinder and three clack valve anchor clamps, and microcontroller is by the first solenoid valve 1(two-position five-way valve) compression of control cylinder and unclamping.Microcontroller drives Control the first solenoid valve 2(two position two-way valve by triode) and the first solenoid valve 1(two-position five-way valve) the break-make of power supply, and then control the first solenoid valve 1 and 2 two duties of the second solenoid valve.
Air-tightness of the present utility model detects as shown in the table:
Table 1 three clack valve measuring technique parameters
Table 2 setting parameter scope
| Sequence number | Project | Default parameters | Setting range |
| 1 | Pressure (mmHg) | 12 | 6 ～ 18 |
| 2 | Flow (L/min) | 0.2 | 0.05 ～ 0.40 |
| 3 | Sampling interval (s) | 0.15 | 0.15 ～ |
| 4 | Sampling number | 25 | 20 ～ 120 |
| 5 | Pressure is adjusted number of times | 2 | 2 ～ 5 |
Claims (4)
1. puncture outfit three clack valve air-tightness detection devices is characterized in that comprising:
A, three clack valve anchor clamps (6) and a cylinder (8), cylinder piston rod is provided with the hold-down head (9) that cooperates with three clack valve anchor clamps;
The draft tube of b, cylinder (8) and gas outlet are connected with the first solenoid valve (1) respectively, and the first solenoid valve (1) is connected with source of the gas by tracheae;
C, three clack valve anchor clamps (6) gas outlets are connected with the second solenoid valve (2), and the second solenoid valve (2) is connected with source of the gas by tracheae;
D, three clack valve anchor clamps (6) gas outlets are connected with respectively pressure transducer (5), flow sensor (4) and throttling valve (3), and throttling valve (3) is connected with stepper motor M;
E, the power module that a microcontroller is set and matches, described pressure transducer (5), flow sensor (4) are connected by data line with stepper motor M and are connected with microcontroller; The first solenoid valve (1), the second solenoid valve (2) are connected with microcontroller by data line respectively.
2. a kind of puncture outfit three clack valve air-tightness detection devices according to claim 1 is characterized in that: be respectively equipped with reduction valve before the first solenoid valve and the second solenoid valve.
3. a kind of puncture outfit three clack valve air-tightness detection devices according to claim 1 and 2, it is characterized in that: be provided with photoelectric protective switch at three clack valve anchor clamps and cylinder front, photoelectric protective switch is connected with microcontroller by data line.
4. a kind of puncture outfit three clack valve air-tightness detection devices according to claim 3 is characterized in that: be provided with the LCD human-machine interface module and as a result indicating module be connected with microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220233786 CN202661237U (en) | 2012-05-23 | 2012-05-23 | Air tightness detection device for three-clack valve of puncture outfit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220233786 CN202661237U (en) | 2012-05-23 | 2012-05-23 | Air tightness detection device for three-clack valve of puncture outfit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202661237U true CN202661237U (en) | 2013-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220233786 Withdrawn - After Issue CN202661237U (en) | 2012-05-23 | 2012-05-23 | Air tightness detection device for three-clack valve of puncture outfit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202661237U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102680188A (en) * | 2012-05-23 | 2012-09-19 | 安徽奥弗医疗设备科技有限公司 | Air tightness detector for three-flap valve of puncture outfit |
| CN106248319A (en) * | 2016-08-30 | 2016-12-21 | 江苏风和医疗器材有限公司 | Perforator air-tightness detection method |
| CN106338370A (en) * | 2016-08-30 | 2017-01-18 | 江苏风和医疗器材有限公司 | Airtightness detector for puncturing device |
-
2012
- 2012-05-23 CN CN 201220233786 patent/CN202661237U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102680188A (en) * | 2012-05-23 | 2012-09-19 | 安徽奥弗医疗设备科技有限公司 | Air tightness detector for three-flap valve of puncture outfit |
| CN102680188B (en) * | 2012-05-23 | 2015-05-13 | 安徽奥弗医疗设备科技股份有限公司 | Air tightness detector for three-flap valve of puncture outfit |
| CN106248319A (en) * | 2016-08-30 | 2016-12-21 | 江苏风和医疗器材有限公司 | Perforator air-tightness detection method |
| CN106338370A (en) * | 2016-08-30 | 2017-01-18 | 江苏风和医疗器材有限公司 | Airtightness detector for puncturing device |
| CN106338370B (en) * | 2016-08-30 | 2019-03-19 | 江苏风和医疗器材股份有限公司 | Puncture outfit air-tightness detection device |
| CN106248319B (en) * | 2016-08-30 | 2019-03-26 | 江苏风和医疗器材股份有限公司 | Puncture outfit air-tightness detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130109 Effective date of abandoning: 20150513 |
|
| RGAV | Abandon patent right to avoid regrant |