CN209059184U - A kind of test equipment of organism pressure sensor - Google Patents
A kind of test equipment of organism pressure sensor Download PDFInfo
- Publication number
- CN209059184U CN209059184U CN201821485943.8U CN201821485943U CN209059184U CN 209059184 U CN209059184 U CN 209059184U CN 201821485943 U CN201821485943 U CN 201821485943U CN 209059184 U CN209059184 U CN 209059184U
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- pressure
- organism
- pipeline
- pressure sensor
- test equipment
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Abstract
The utility model provides a kind of test equipment of organism pressure sensor, including thrust device, pressure applying means, pressure transmitter, triple valve, the first pipeline, the second pipeline, control display device and pressure tester；The thrust device is for providing thrust to the pressure applying means, so that fluid flows to the pressure transmitter and the organism pressure sensor to be tested by the stream constant speed such as the triple valve, the first pipeline and second pipeline, the control display device is used to show the value of electrical signals of pressure transmitter, the pressure tester is for showing that pressure value suffered by organism pressure sensor to be detected, the control display device are also used to control the thrust of the thrust device；The equipment effectively can effectively test organism pressure sensor, the testing requirement before meeting factory.
Description
Technical field
The utility model relates to the field of medical instrument technology more particularly to a kind of test equipments of organism pressure sensor.
Background technique
Applied to the organism pressure sensor on Rigiscan, pressure when telotism can be experienced, and turned
It is changed to electric signal to be exported, in order to obtain the relationship between electric signal and pressure value, needs to pass organism pressure before factory
Sensor is tested.
Utility model content
The purpose of this utility model is that being needed for the test before above-mentioned organism pressure sensor factory in the prior art
It asks, proposes a kind of test equipment of organism pressure sensor, effectively organism pressure sensor can be tested.
A kind of test equipment of organism pressure sensor, including thrust device, pressure applying means, pressure transmitter, three
Port valve, the first pipeline, the second pipeline, control display device and pressure tester；
The thrust device and the pressure applying means are cooperatively connected, and the pressure applying means are provided with fluid, institute
The outlet for stating pressure applying means is connect with the first interface of the triple valve, the second interface of the triple valve and described first
One end of pipeline connects, and the other end of first pipeline is connect with the pressure transmitter, the third interface of the triple valve
It is connect with one end of second pipeline, the test lead of the other end of second pipeline and organism pressure sensor to be tested connects
It connects, the pressure tester is connect with the test lead of the organism pressure sensor to be tested, the control display device and institute
Thrust device is stated to connect with the pressure transmitter；
The thrust device is for providing thrust to the pressure applying means, so that fluid passes through the triple valve, the
The stream constant speed such as one pipeline and the second pipeline flows to the pressure transmitter and the organism pressure sensor to be tested, the control
Display device processed is used to show the value of electrical signals of pressure transmitter, and the pressure tester is for showing that organism pressure to be detected passes
Pressure value suffered by sensor, the control display device are also used to control the thrust of the thrust device.
Further, the thrust device includes motor and push rod, and the motor is connect with the push rod, the push rod with
The pressure applying means connection, the motor are also connect with the control display device.
Further, the pressure applying means include piston and cylinder, are provided in the cylinder for accommodating fluid
Cavity, the piston can connect in the cylinder body activity, the piston with the push rod, and the outlet is arranged in the cylinder
The end of body.
Further, the pressure transmitter is diffusion silicon pressure type pressure transmitter.
Further, first pipeline and/or the second pipeline are pvc pipe.
Further, the length of first pipeline and the second pipeline is identical with internal diameter.
Further, the control display device is M5Stack microcontroller.
Further, the M5Stack microcontroller includes PWM interface, and the PWM interface is connect with the motor.
Further, the M5Stack microcontroller further includes ADC interface, the ADC interface and the pressure transmitter
Connection.
Further, the M5Stack microcontroller further includes LCD display unit, for showing the electricity of pressure transmitter
Signal value.
The test equipment of organism pressure sensor provided by the utility model, include at least it is following the utility model has the advantages that
(1) effectively organism pressure sensor effectively can be tested, the testing requirement before meeting factory；
(2) structure is simple, highly reliable.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of embodiment of test equipment of organism pressure sensor provided by the utility model.
Fig. 2 is the structural representation of the test equipment another kind embodiment of organism pressure sensor provided by the utility model
Figure.
Specific embodiment
To keep the purpose of this utility model, technical solution and effect clearer, clear, develop simultaneously implementation referring to the drawings
The utility model is further described in example.It should be appreciated that specific embodiment described herein is only practical to explain
It is novel, it is not used to limit the utility model.
With reference to Fig. 1, the present embodiment provides a kind of test equipments of organism pressure sensor, including thrust device 1, pressure to apply
Feeder apparatus 2, pressure transmitter 3, triple valve 4, the first pipeline 5, the second pipeline 6, control display device 7 and pressure tester 8；
Thrust device 1 and pressure applying means 2 are cooperatively connected, and pressure applying means 2 are provided with fluid, pressure applying means
2 outlet is connect with the first interface of triple valve 4, and the second interface of triple valve 4 is connect with one end of the first pipeline 5, the first pipe
The other end on road 5 is connect with pressure transmitter 3, and the third interface of triple valve 4 is connect with one end of the second pipeline 6, the second pipeline 6
The other end connect with the test lead of organism pressure sensor 100 to be tested, pressure tester 8 and organism pressure to be tested sense
The test lead of device 100 connects, and control display device 7 is connect with thrust device 1 and pressure transmitter 3；
Thrust device 1 is for providing thrust to pressure applying means 2, so that fluid passes through triple valve 3,5 and of the first pipeline
The stream constant speed such as the second pipeline 6 flows to pressure transmitter 3 and organism pressure sensor 100 to be tested, and control display device 7 is used for
Show the value of electrical signals of pressure transmitter 3, pressure tester 8 is for showing pressure suffered by organism pressure sensor to be detected
Value, control display device 7 are also used to control the thrust of thrust device 1.
Further, with reference to Fig. 2, thrust device 1 includes motor 11 and push rod 12, and motor 11 is connect with push rod 12, push rod
12 connect with pressure applying means 2, and motor 11 is also connect with control display device 7.
Further, pressure applying means 2 include piston 21 and cylinder 22, are provided in cylinder 22 for accommodating fluid
Cavity, piston 21 can be movable in cylinder 22, and piston 21 is connect with push rod 12, and the end of cylinder 22 is arranged in outlet.
As a preferred embodiment, pressure applying means 2 can be replaced with conventional syringe.
Further, pressure transmitter 3 is diffusion silicon pressure type pressure transmitter.
Diffusion silicon pressure type pressure rheostat has many advantages, such as that precision is high, stability is good, small in size.Its working principle is that: benefit
, by particular crystal orientation, elastic element is formed with advanced micro mechanical technology using monocrystalline silicon as matrix with the piezoresistive effect of monocrystalline silicon,
In its appropriate location, integrated circuit technology forms four equivalent strain resistors, forms Wheatstone bridge, and it is permanent to apply one to electric bridge
Constant voltage (electric current) makes output and the electricity proportional corresponding to pressing force when there is pressure (differential pressure) to act on elastic element
Signal is pressed, the electric signal for the 4-20mA that voltage signal amplification is converted into two-wire system is exported through circuit.The pressure transmitter of selection
Operating voltage be 12V, maximum thrust 250N.
As a preferred embodiment, the first pipeline 5 and/or the second pipeline 6 are pvc pipe.
Further, the first pipeline 5 is identical with internal diameter with the length of the second pipeline 6, to guarantee the stream in the first pipeline
Fluid pressure in body pressure and the second pipeline is identical, so that pressure and organism pressure to be measured sensing that pressure transmitter 3 is subject to
The pressure that device is subject to is identical.
As a preferred embodiment, control display device 7 is M5Stack microcontroller.
M5Stack is the expansible micro-control module series of products of the first in the world money, and core is ESP32 (240MHz double-core
Tensilica LX6 processor, operational capability are up to 600DMIPS), it has been internally integrated 2.0 cun of LCD, 12-bit ADC interfaces
(up to 18), 1 HOST/Slave SDIO interface, 3 UART interfaces, PWM interface etc..
Further, pressure transmitter 3 is connect with the ADC interface of M5Stack microcontroller, once there is pressure conduction mistake
Come, M5Stack can obtain corresponding value of electrical signals by reading the value of the ADC interface.
Further, the PWM of M5Stack microcontroller is connect with motor 11, related by adjusting M5Stack microcontroller
Button adjusts the duty ratio of PWM, the output torque of motor is adjusted, to adjust thrust size.
Further, 2.0 cun of LCD display unit is provided on M5Stack microcontroller, for showing pressure transmitter
Value of electrical signals.
When specifically testing, first the air in the cavity of cylinder 22 is emptied, a certain amount of fluid is poured into Rong Qiang, and
Vent gas, the fluid can be water, and M5Stack microcontroller powers on, by adjusting pushing away for duty cycle adjustment thrust device 1
Power flows into the first pipeline 5 and the second pipeline 6 with pushing fluid through the equal stream constant speed of triple valve 3, is sent to pressure by piston 21
Transmitter 3 and pressure sensor to be tested 100, read value of electrical signals from the LCD display unit on M5Stack microcontroller
(4mA-20mA) reads the pressure value of organism pressure sensor to be tested from pressure tester 8, by repeatedly testing, obtains
The relation equation of value of electrical signals and corresponding pressure value.
The test equipment of organism pressure sensor provided in this embodiment, include at least it is following the utility model has the advantages that
(1) effectively organism pressure sensor effectively can be tested, the testing requirement before meeting factory；
(2) structure is simple, highly reliable.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations all should belong to the protection scope of the appended claims for the utility model.
Claims (10)
1. a kind of test equipment of organism pressure sensor, which is characterized in that including thrust device, pressure applying means, pressure
Transmitter, triple valve, the first pipeline, the second pipeline, control display device and pressure tester；
The thrust device and the pressure applying means are cooperatively connected, and the pressure applying means are provided with fluid, the pressure
The outlet of power bringing device is connect with the first interface of the triple valve, the second interface of the triple valve and first pipeline
One end connection, the other end of first pipeline connect with the pressure transmitter, the third interface of the triple valve and institute
One end connection of the second pipeline is stated, the other end of second pipeline is connect with the test lead of organism pressure sensor to be tested,
The pressure tester is connect with the test lead of the organism pressure sensor to be tested, and the control display device is pushed away with described
Power device is connected with the pressure transmitter；
The thrust device is for providing thrust to the pressure applying means, so that fluid passes through the triple valve, the first pipe
The stream constant speed such as road and the second pipeline flows to the pressure transmitter and the organism pressure sensor to be tested, and the control is aobvious
Showing device is used to show the value of electrical signals of pressure transmitter, and the pressure tester is for showing organism pressure sensor to be detected
Suffered pressure value, the control display device are also used to control the thrust of the thrust device.
2. the test equipment of organism pressure sensor according to claim 1, which is characterized in that the thrust device includes
Motor and push rod, the motor are connect with the push rod, and the push rod is connect with the pressure applying means, the motor also with
The control display device connection.
3. the test equipment of organism pressure sensor according to claim 2, which is characterized in that the pressure applying means
Including piston and cylinder, be provided with the cavity for accommodating fluid in the cylinder, the piston can in the cylinder body activity,
The piston is connect with the push rod, described to export the end that the cylinder is arranged in.
4. the test equipment of organism pressure sensor according to claim 1, which is characterized in that the pressure transmitter is
Spread silicon pressure type pressure transmitter.
5. the test equipment of organism pressure sensor according to claim 1, which is characterized in that first pipeline and/
Or second pipeline be pvc pipe.
6. the test equipment of organism pressure sensor according to claim 1 or 5, which is characterized in that first pipeline
It is identical with internal diameter with the length of the second pipeline.
7. the test equipment of organism pressure sensor according to claim 2, which is characterized in that the control display device
For M5Stack microcontroller.
8. the test equipment of organism pressure sensor according to claim 7, which is characterized in that the M5Stack micro-control
Device processed includes PWM interface, and the PWM interface is connect with the motor.
9. the test equipment of organism pressure sensor according to claim 7, which is characterized in that the M5Stack micro-control
Device processed further includes ADC interface, and the ADC interface is connect with the pressure transmitter.
10. the test equipment of organism pressure sensor according to claim 7, which is characterized in that the M5Stack micro-control
Device processed further includes LCD display unit, for showing the value of electrical signals of pressure transmitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821485943.8U CN209059184U (en) | 2018-09-11 | 2018-09-11 | A kind of test equipment of organism pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821485943.8U CN209059184U (en) | 2018-09-11 | 2018-09-11 | A kind of test equipment of organism pressure sensor |
Publications (1)
| Publication Number | Publication Date |
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| CN209059184U true CN209059184U (en) | 2019-07-05 |
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ID=67092219
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821485943.8U Active CN209059184U (en) | 2018-09-11 | 2018-09-11 | A kind of test equipment of organism pressure sensor |
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| CN (1) | CN209059184U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112763130A (en) * | 2020-12-07 | 2021-05-07 | 中国船舶重工集团公司第七一六研究所 | Infusion pressure detection device and method of handheld oral anesthesia boosting instrument |
-
2018
- 2018-09-11 CN CN201821485943.8U patent/CN209059184U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112763130A (en) * | 2020-12-07 | 2021-05-07 | 中国船舶重工集团公司第七一六研究所 | Infusion pressure detection device and method of handheld oral anesthesia boosting instrument |
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Address after: 518000 floor 102, floor 7, floor 3-7, floor 02,7, Zhongdian Plaza building, No. 2070, Shennan Middle Road, Fuqiang community, Huaqiang North Street, Futian District, Shenzhen, Guangdong Province Patentee after: Haines (Shenzhen) Information Technology Co.,Ltd. Address before: 518000 24L, east block, Changxing Times Square, No. 86 Taoyuan Road, Nantou street, Nanshan District, Shenzhen, Guangdong Patentee before: Haines (Shenzhen) Information Technology Co.,Ltd. |