CN207556749U - Pressure sensor detecting device - Google Patents
Pressure sensor detecting device Download PDFInfo
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- CN207556749U CN207556749U CN201721647040.0U CN201721647040U CN207556749U CN 207556749 U CN207556749 U CN 207556749U CN 201721647040 U CN201721647040 U CN 201721647040U CN 207556749 U CN207556749 U CN 207556749U
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Abstract
The utility model provides a kind of pressure sensor detecting device.The detection device, including：Pressure supply device, electro-pneumatic proportional valve and first interface；The pressure supply device is connect with the electro-pneumatic proportional valve, for providing pressure to the electro-pneumatic proportional valve；The electro-pneumatic proportional valve is connect by the first interface with pressure sensor to be detected；The electro-pneumatic proportional valve is connect with being loaded with the host computer of control software, for providing corresponding pressure to the pressure sensor to be detected according to the instruction that the host computer is sent；The pressure sensor to be detected is connect with the host computer, for the pressure value sensed to the host computer transmission pressure sensor to be detected.When the detection device so that user needs to be detected pressure sensor, the output pressure of electro-pneumatic proportional valve can be controlled by host computer, reduces the possibility that manual operation generates error.
Description
Technical field
The utility model is related to automation field more particularly to a kind of pressure sensor detecting devices.
Background technology
In order to improve the safety of vehicle traveling, it is abnormal important with maintaining that maintenance is periodically carried out to vehicle.Pressure sensor
It is one of very important parts of vehicle, multiple positions of vehicle are both needed to setting pressure sensor, such as：In ANTI LOCK
Master cylinder pressure sensor is set in system, it is proportional in master cylinder to the pedal brake power that driver generates for sensing
The brake operating pressure of generation, and the electric signal of the brake operating pressure sensed is passed to electronic control unit, so that electric
Sub-control unit controls brake operating according to the electric signal that pressure sensor transmits；The admission pressure sensing being connect with inlet manifold
The absolute pressure for sensing the absolute pressure in the inlet manifold of below the throtlle valve, is then converted into voltage signal hair by device
It send to control unit of engine, so that size of the control unit of engine according to this voltage signal, controls the size of distributive value；Peace
Barometric pressure sensor in car-engine integrated control computer, for sensing the height above sea level of vehicle present position and vehicle
Relative elevation height when climbing the mountain, and the variation of height above sea level is converted to input signal, input car-engine integrated control electricity
Intracerebral, and then fuel supply volume is adjusted.As it can be seen that pressure sensor and vehicle driving safety are closely connected, being need to be into
One of emphasis part of row detection and maintenance.
In the prior art, when being detected to pressure sensor, usually air source, surge tank and manual pressure regulating valve are connected successively
It connects, then hand-held pressure gauge and pressure sensor to be detected is coupled on manual pressure regulating valve again, pass through the hand-held pressure of comparison
The reading of table and pressure sensor to be detected judges whether pressure sensor to be detected is qualified.
But in above-mentioned detection device, manual pressure regulating valve needs manually to go to adjust, and error is larger, leads to testing result
Inaccurately.
Utility model content
The utility model provides a kind of pressure sensor detecting device, to improve the detection accuracy of pressure sensor.
The utility model provides a kind of pressure sensor detecting device, including：
Pressure supply device, electro-pneumatic proportional valve and first interface；
The pressure supply device is connect with the electro-pneumatic proportional valve, for providing pressure to the electro-pneumatic proportional valve；The electricity
Empty proportioning valve is connect by the first interface with pressure sensor to be detected；The electro-pneumatic proportional valve is with being loaded with control software
Host computer connects, for providing corresponding pressure to the pressure sensor to be detected according to the instruction that the host computer is sent；
The pressure sensor to be detected is connect with the host computer, for sending the pressure sensor to be detected to the host computer
The pressure value sensed.When the family can be used to need to be detected pressure sensor for the detection device, controlled by host computer
The output pressure of electro-pneumatic proportional valve reduces the possibility that manual operation generates error.
Optionally, above-mentioned pressure supply device, including：
Air compressor machine and surge tank, the air compressor machine are connect with the surge tank, the surge tank and the electro-pneumatic proportional valve
Connection, the surge tank are used to stablize the pressure of the air compressor machine output.
Optionally, above-mentioned air compressor machine is one kind in displacement type air compressor machine, power type air compressor machine or heating power type air compressor machine.
Optionally, above-mentioned detection device further includes：
Second interface, the second interface are connect with the electro-pneumatic proportional valve, the model of the second interface and described the
The model of one interface is different, and the electro-pneumatic proportional valve connects the pressure sensing to be detected of corresponding model by the second interface
Device.Since the quantity of first interface and second interface can be multiple so that pressure sensor detection provided by the utility model
Device can give the pressure sensor to be detected of multiple models to be detected, and improve the detection effect of pressure sensor detecting device
Rate.
Optionally, above-mentioned first interface includes first switch, and the first switch is used to control connecing for the first interface
Logical and partition；Above-mentioned second interface includes second switch, the second switch be used to controlling the connection of the second interface with every
It is disconnected.
Optionally, above-mentioned first switch is connect with above-mentioned second switch with the host computer respectively, described for passing through
Position machine controls the connection and partition of the first switch and the second switch.
Optionally, above-mentioned host computer includes：
Data collecting card, the data collecting card include the first pin and second pin, and first pin is used to connect
The pressure sensor to be detected, the second pin are used to connect the electro-pneumatic proportional valve.
Optionally, above-mentioned data collecting card is multi-functional board.
Optionally, above-mentioned control software includes user setting, parameter setting and waveform display module；So that control software
Administrator can be efficiently managed to all using the user of the control software, also may be such that currently used user is more straight
See the variation of ground observation testing result.
Optionally, above-mentioned control software can automatically generate test report；More convenient user to the comparison of testing result and
Analysis.
Pressure sensor detecting device provided by the utility model, by setting pressure supply device, electro-pneumatic proportional valve and first
Interface；And pressure supply device is connect with electro-pneumatic proportional valve；Electro-pneumatic proportional valve is passed through into first interface and pressure sensor to be detected
Connection；Electro-pneumatic proportional valve is connect with being loaded with the host computer of control software, for according to the instruction that host computer is sent to be detected
Pressure sensor provides corresponding pressure；Pressure sensor to be detected is connect with host computer, it is to be checked for being sent to host computer
The pressure value that pressure measurement force snesor senses；During so that user needing to be detected pressure sensor, can by host computer come
The output pressure of electro-pneumatic proportional valve is controlled, reduces the possibility that manual operation generates error.
Description of the drawings
Fig. 1 a are the structure diagram of the embodiment one of pressure sensor detecting device provided by the utility model；
Fig. 1 b are another structure diagram of the embodiment one of pressure sensor detecting device provided by the utility model；
Fig. 2 a are the structure diagram of the embodiment two of pressure sensor detecting device provided by the utility model；
Fig. 2 b are another structure diagram of the embodiment two of pressure sensor detecting device provided by the utility model；
Fig. 3 a are the structure diagram of the embodiment three of pressure sensor detecting device provided by the utility model；
Fig. 3 b are another structure diagram of the embodiment three of pressure sensor detecting device provided by the utility model.
Reference sign：
10：Pressure supply device；
11：Electro-pneumatic proportional valve；
12：First interface；
13：Pressure sensor to be detected；
14：Host computer；
101：Air compressor machine；
102：Surge tank；
15：Second interface；
121：First switch；
151：Second switch；
141：Data collecting card；
142：User setting module；
143：Parameter setting module；
144：Data monitoring module；
145：Waveform display module.
Specific embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings.Below by
The embodiment being described with reference to the drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that new to this practicality
The limitation of type.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic." multiple " are meant that at least two in the description of the present invention,
It is a, such as two, three etc., unless otherwise specifically defined.
The driving safety of pressure sensor and vehicle on vehicle has close contact, such as：It is connect with inlet manifold
Air inlet pressure sensor for sensing the absolute pressure in the inlet manifold of below the throtlle valve, is then converted the absolute pressure
Control unit of engine is sent into voltage signal, so that size of the control unit of engine according to this voltage signal, control spray
The size of oil mass；Barometric pressure sensor in car-engine integrated control computer, for sensing vehicle present position
Relative elevation height when height above sea level and vehicle are climbed the mountain, and the variation of height above sea level is converted to input signal, input hair
In motivation centralized Control computer, and then fuel supply volume is adjusted.It can be seen that the pressure sensor on vehicle is carried out
Periodic detection is even more important with repair.
The device of detection pressure sensor includes in the prior art：Air source, surge tank, manual pressure regulating valve and hand-held pressure
Table；When user needs to be detected pressure sensor, by pressure sensor to be detected and hand-held pressure gauge respectively with hand
Dynamic pressure regulator valve connection, for example：If user needs the pressure parameter value detected to be adjusted on manual modulation valve on one side for 5kg
Switch observes the reading of hand-held pressure gauge on one side, as the 5kg that hand-held pressure gauge reading reaches, fastens on manual modulation valve
Switch, whether the reading for then observing pressure sensor to be detected is 5kg, if the reading of pressure sensor is 5kg, illustrates this
Pressure sensor to be detected is qualified, if the reading of pressure sensor is not 5kg, illustrates that the pressure sensor to be detected does not conform to
Lattice.
But the device of above-mentioned detection pressure sensor, first：Manual modulation valve to the more demanding of operator, if
Operator's operation is not skilled enough, can lead to large error；Secondly, it is nearer apart from air source when operator adjusts manual modulation valve, hold
Safety accident easily occurs；Again, test result needs manual record, when there are many pressure parameter for needing to test, the people of consuming
Work cost is higher.In order to solve above-mentioned technical problem of the existing technology, the utility model provides a kind of pressure sensor
Detection device, the pressure sensor detecting device accurately control the pressure value for being supplied to pressure sensor to be detected.
Below with specifically embodiment to the technical solution of the utility model and the technical solution of the utility model how
Above-mentioned technical problem is solved to be described in detail.These specific embodiments can be combined with each other below, for identical or phase
As concept or process may repeat no more in certain embodiments.Below in conjunction with attached drawing, to the embodiment of the utility model
It is described.
Fig. 1 a are the structure diagram of the embodiment one of pressure sensor detecting device provided by the utility model, such as Fig. 1 a
Shown, pressure sensor detecting device provided in this embodiment includes：Pressure supply device 10, electro-pneumatic proportional valve 11 and first interface
12；The pressure supply device 10 is connect with the electro-pneumatic proportional valve 11, for providing pressure to the electro-pneumatic proportional valve 11；The electricity
Empty proportioning valve 11 is connect by the first interface 12 with pressure sensor 13 to be detected；The electro-pneumatic proportional valve 11 is with being loaded with control
The host computer 14 of software processed connects, for being carried according to the instruction that the host computer 14 is sent to the pressure sensor 13 to be detected
For corresponding pressure；The pressure sensor to be detected 13 is connect with the host computer 14, for being sent to the host computer 14
The pressure value that the pressure sensor to be detected 13 senses.
Wherein, pressure supply device 10 can be any device that steady pressure can be provided to electro-pneumatic proportional valve 11.Optionally,
Fig. 1 b are another structure diagram of the embodiment one of pressure sensor detecting device provided by the utility model, such as Fig. 1 b institutes
Show, pressure supply device 10 can include：Air compressor machine 101 and surge tank 102, the air compressor machine 101 are connect with the surge tank 102,
The surge tank 102 is connect with the electro-pneumatic proportional valve 11, and the surge tank 102 is used to stablize what the air compressor machine 101 exported
Pressure.
Optionally, above-mentioned air compressor machine 101 can be reciprocating-piston air compressor machine, can be orbiting vane air compressor machine or rotation
Turn screw-rod air compressor, the present embodiment does not limit this.
Wherein, electro-pneumatic proportional valve 11 is connect with being loaded with the host computer 14 of control software, and pressure sensor 13 to be detected passes through
First interface 12 is connect with electro-pneumatic proportional valve 11, while pressure sensor to be detected 13 is also connect with above-mentioned host computer 14；User
When needing to be detected pressure sensor 13 to be detected, the detection process of pressure sensor detecting device provided in this embodiment
It is as follows：First, user sends preset pressure parameter value by host computer 14 to electro-pneumatic proportional valve 11；Then, electro-pneumatic proportional valve 11
Output pressure is adjusted according to the preset pressure parameter value received, so that the output pressure and preset pressure of the electro-pneumatic proportional valve 11
Parameter value matches；Then, after pressure sensor 13 to be detected senses the output pressure of electro-pneumatic proportional valve 11, the pressure that will sense
Force value is sent to host computer 14；Then, host computer 14 receives the pressure value sensed that pressure sensor 13 to be detected is sent
Afterwards, the pressure value that above-mentioned preset pressure parameter value and pressure sensor to be detected 13 sense is compared, if default pressure
The difference of pressure value that force parameter value and pressure sensor to be detected 13 sense is in default error range, it is determined that this is to be checked
Pressure measurement force snesor 13 is qualified, if the difference of pressure value that preset pressure parameter value and pressure sensor to be detected 13 sense
Have exceeded default error range, it is determined that the pressure sensor 13 to be detected is unqualified；It should be noted that electro-pneumatic proportional valve 11
It is remained off before above-mentioned detection process, prevents the air-flow in pressure supply device 10 from flowing out, cause the wasting of resources.
In above process, the output pressure of electro-pneumatic proportional valve 11 is the preset pressure parameter value control sent by host computer 14
System, for example, if user needs the pressure of the output of electro-pneumatic proportional valve 11 5kg, by joining preset pressure in host computer 14
Numerical value is set as 5kg, and the preset pressure parameter value is sent to electro-pneumatic proportional valve 11, and electro-pneumatic proportional valve 11 can be pre- according to this
If output pressure is adjusted to 5kg by pressure parameter value；Since the output pressure of electro-pneumatic proportional valve 11 is controlled by host computer 14,
Compared to the prior art, the possibility that error is generated due to manual operation is reduced；Moreover, operator apart from air source farther out,
Improve processing safety；In addition, when host computer 14 judges whether pressure sensor 13 to be detected is qualified, measuring pressure to be checked is passed
The pressure value sensed that sensor 13 is sent is compared with preset pressure parameter value, without introducing hand-held pressure gauge, further
Improve the accuracy of testing result.
Pressure sensor detecting device provided in this embodiment, by the way that pressure supply device, electro-pneumatic proportional valve and first is set to connect
Mouthful；And pressure supply device is connect with electro-pneumatic proportional valve；Electro-pneumatic proportional valve is connected by first interface and pressure sensor to be detected
It connects；Electro-pneumatic proportional valve is connect with being loaded with the host computer of control software, for according to the instruction that host computer is sent to pressure measurement to be checked
Force snesor provides corresponding pressure；Pressure sensor to be detected is connect with host computer, it is to be detected for being sent to host computer
The pressure value that pressure sensor senses；During so that user needing to be detected pressure sensor, it can be controlled by host computer
The output pressure of electro-pneumatic proportional valve processed reduces the possibility that manual operation generates error.
Fig. 2 a are the structure diagram of the embodiment two of pressure sensor detecting device provided by the utility model, in reality
In application process, the model and type of pressure sensor are more, in order to improve the detection efficiency of pressure sensor detecting device,
On the basis of Fig. 1 a illustrated embodiments, as shown in Figure 2 a, pressure sensor detecting device provided in this embodiment further includes：The
Two interfaces 15, the second interface 15 are connect with the electro-pneumatic proportional valve 11, the model of the second interface 15 and described first
The model of interface 12 is different, and the measuring pressure to be checked that the electro-pneumatic proportional valve 11 connects corresponding model by the second interface 15 passes
Sensor 13.
Optionally, the model of first interface 12 and second interface 15 can be G1/4, G1/2, G3/4,1/4NPT, R1/8,
Arbitrary two kinds in R1/4 and M10X1；First interface 12 and the pressure sensor to be detected 13 that is connected on the first interface 12
Model corresponds to；The model of to be detected pressure sensor 13 of the second interface 15 with being connected in the second interface 15 is corresponding；Due to
The quantity of one interface 12 and second interface 15 can be multiple so that pressure sensor detecting device provided in this embodiment can be with
It is detected to the pressure sensor to be detected 13 of multiple models, improves the detection efficiency of pressure sensor detecting device.
When being detected to pressure sensor 13 to be detected, the type of interface and interface used in different detection process
May be different, such as：During one-time detection, the connecter type used is G1/4, then is connect with electro-pneumatic proportional valve 11
Other interface types need to carry out partition processing.
Fig. 2 b are another structure diagram of the embodiment two of pressure sensor detecting device provided by the utility model, are
The connection and partition of the above-mentioned first interface 12 of control and second interface 15, as shown in Figure 2 b, pressure provided in this embodiment pass
In sensor detection device, the first interface 12 includes first switch 121, and the first switch 121 is used to control described first
The connection and partition of interface 12；The second interface 15 includes second switch 151, and the second switch 151 is described for controlling
The connection and partition of second interface 15.
Wherein, when the model of pressure sensor 13 to be detected is matched with first interface 12, by pressure sensor to be detected
13 connect with first interface 12, and the first switch 121 in first interface 12 is opened, so that the output pressure of electricity sky regulating valve
It can smoothly be sensed by pressure sensor 13 to be detected；Second switch 151 in second interface 15 is closed, so that electricity sky ratio
The output pressure of example valve 11 will not be flowed out by second interface 15, reduce the consuming of air pressure in pressure supply device 10, so as to save
The energy.
Optionally, the first switch 121 can be connect with the second switch 151 with the host computer 14 respectively, so that
User can control the connection and partition of the first switch 121 and the second switch 151 by host computer 14, so as to improve use
Family operating comfort.
Pressure sensor detecting device provided in this embodiment, implementing principle and technical effect are similar with embodiment one,
On the basis of embodiment one, it is connect by setting second interface, and by second interface with electro-pneumatic proportional valve, by electro-pneumatic proportional valve
The pressure sensor to be detected of corresponding model is connected by the second interface；So that the detection device can be to various types of pressure
Sensor is detected, and improves the detection efficiency of pressure sensor detecting device.Meanwhile by setting on first interface
One switch sets second switch, and first switch is used to control the connection and partition of the first interface in second interface, the
Two switch the connection and partition for controlling the second interface so that electricity sky regulating valve connecing in opening state only to switch
Mouth provides pressure, reduces the consuming of air pressure in pressure supply device.
Host computer 14 had not only had the function of to send preset pressure parameter value to electro-pneumatic proportional valve 11, but also to be detected with receiving
The function for the pressure value being that actually sensed that pressure sensor 13 is sent, the detection efficiency of pressure sensor detecting device and upper
The efficiency that machine 14 sends and receives data is closely connected.
Fig. 3 a are the structure diagram of the embodiment three of pressure sensor detecting device provided by the utility model, in Fig. 2 b
On the basis of illustrated embodiment, as shown in Figure 3a, pressure sensor detecting device provided in this embodiment, the host computer 14 wraps
It includes：Data collecting card 141, the data collecting card 141 include the first pin and second pin, and first pin is used to connect
The pressure sensor to be detected 13, the second pin are used to connect the electro-pneumatic proportional valve 11.
Optionally, above-mentioned data collecting card 141 can be multi-functional board.
Wherein, when user needs to be detected pressure sensor 13 to be detected, pressure sensing provided in this embodiment
The detection process of device detection device is as follows：First, user by the second pin on data collecting card 141 to electro-pneumatic proportional valve 11
Send the corresponding electric signal of preset pressure parameter value；Then, electro-pneumatic proportional valve 11 is according to the preset pressure parameter value pair received
The electric signal adjustment output pressure answered, so that the output pressure is matched with preset pressure parameter value；Then, pressure sensing to be detected
After device 13 senses the output pressure of electro-pneumatic proportional valve 11, the pressure value sensed is converted into corresponding electric signal and passes through
Two pins are sent to data collecting card 141, which is then sent to host computer 14, host computer 14 by data collecting card 141
The processing mode of the corresponding electric signal of pressure value sensed to pressure sensor 13 to be detected is similar with embodiment one, herein not
It repeats again.Data collecting card 141 is the use specially set on host computer 14 it can be seen from the above-mentioned detection process of the present embodiment
The component with the corresponding electric signal of transmission is received, above-mentioned detection process is greatly improved in the setting of the data collecting card 141
Detection efficiency.
Fig. 3 b are another structure diagram of the embodiment three of pressure sensor detecting device provided by the utility model, are schemed
3b only shows the structure of host computer 14, and the structure and connection relation of other parts are identical with Fig. 3 a.Due to the test of control software
Type of modules is more, wherein some test modules may be opened just for specific user, in order to make the administrator of control software
Different settings, as shown in Figure 3b, the control in pressure sensor detecting device provided in this embodiment are carried out to different user
Software further includes user setting module 142.
After the administrator of control software logs in software systems, corresponding user management and priority assignation can be carried out, such as：It can
User a and user b are assigned into A groups, user c and user d are assigned into B groups, wherein A groups have the permission using test module 1, B
Group is without the permission using module 1；The concrete scheme of user management and priority assignation can be according to user demand sets itself, this reality
Example is applied not limit this；The user setting function allows the administrator of control software efficiently to use the control to all
The user of software is managed, and improves work efficiency.
Optionally, parameters are accordingly set for the ease of active user, with continued reference to shown in Fig. 3 b, this implementation
Control software in the pressure sensor detecting device that example provides further includes parameter setting module 143, when user is soft using controlling
When part is detected pressure sensor 13 to be detected, preset pressure parameter value, interface can be shown according to the demand of current detection
Show that parameter and calibration standard etc. are configured.In control software the parameter setting module 143 can be used family to detection parameters into
The accurate setting of row, improves accuracy of detection.
Optionally, compare testing result for the ease of user, with continued reference to shown in Fig. 3 b, pressure provided in this embodiment passes
Sensor detection device further includes data monitoring module 144 and waveform display module 145, and wherein data monitoring module 144 can carry out
It shows pressure value, automatic reduced pressure force value and shows the settings such as other numerical value；When user carries out pressure sensor 13 to be detected
After repeated detection, control software can preserve the result of the repeated detection, pass through waveform display module 145 and draw automatically
It into oscillogram and is shown on the interface of control software so that user more intuitively observes the variation of testing result.
Optionally, right that repeated detection result is compared and analyzed convenient for user, pressure provided in this embodiment passes
Sensor detection device can also automatically generate test report；It is included in the test report and detects corresponding preset pressure parameter every time
Pressure value, detection time and detection date that value, pressure sensor to be detected 13 sense etc., the content that test report is included
It can voluntarily be selected according to user demand, do not limited herein.Family can be used in the function of automatically generating test report of control software
Repeated detection result is recorded, comparison and analysis of more convenient user to testing result.
Pressure sensor detecting device provided in this embodiment, implementing principle and technical effect are similar with embodiment two,
On the basis of embodiment two, by setting data collecting card, and the first pin and second pin are set on data collecting card,
First pin is connected into pressure sensor to be detected, second pin is connected into electro-pneumatic proportional valve, above-mentioned detection is greatly improved
The detection efficiency of process.Meanwhile by setting user setting module, parameter setting module and wave in the control software of host computer
Shape display module so that the administrator of control software can be efficiently managed to all using the user of the control software,
It also may be such that currently used user more intuitively observes the variation of testing result.In addition, control software is surveyed by automatically generating
Examination report, can be with comparison and analysis of more convenient user to testing result.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should
Understand：It can still modify to the technical solution recorded in foregoing embodiments either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacement, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of pressure sensor detecting device, which is characterized in that including：
Pressure supply device, electro-pneumatic proportional valve and first interface；
The pressure supply device is connect with the electro-pneumatic proportional valve, for providing pressure to the electro-pneumatic proportional valve；The empty ratio of electricity
Example valve is connect by the first interface with pressure sensor to be detected；The electro-pneumatic proportional valve is with being loaded with the upper of control software
Machine connects, for providing corresponding pressure to the pressure sensor to be detected according to the instruction that the host computer is sent；It is described
Pressure sensor to be detected is connect with the host computer, is sensed for sending the pressure sensor to be detected to the host computer
The pressure value arrived.
2. the apparatus according to claim 1, which is characterized in that the pressure supply device, including：
Air compressor machine and surge tank, the air compressor machine are connect with the surge tank, and the surge tank is connect with the electro-pneumatic proportional valve,
The surge tank is used to stablize the pressure of the air compressor machine output.
3. the apparatus of claim 2, which is characterized in that the air compressor machine is displacement type air compressor machine, power type pneumatics
One kind in machine or heating power type air compressor machine.
4. the apparatus according to claim 1, which is characterized in that further include：
Second interface, the second interface are connect with the electro-pneumatic proportional valve, and the model of the second interface connects with described first
The model of mouth is different, and the electro-pneumatic proportional valve passes through the pressure sensor to be detected that the second interface connects corresponding model.
5. device according to claim 4, which is characterized in that the first interface includes first switch, and described first opens
Close the connection and partition for controlling the first interface；The second interface includes second switch, and the second switch is used for
Control the connection and partition of the second interface.
6. device according to claim 5, which is characterized in that the first switch and the second switch respectively with it is described
Host computer connects, for passing through the connection and partition of first switch described in the PC control and the second switch.
7. according to claim 1-6 any one of them devices, which is characterized in that the host computer includes：
Data collecting card, the data collecting card include the first pin and second pin, and first pin is described for connecting
Pressure sensor to be detected, the second pin are used to connect the electro-pneumatic proportional valve.
8. device according to claim 7, which is characterized in that the data collecting card is multi-functional board.
9. device according to claim 7, which is characterized in that the control software include user setting, parameter setting and
Waveform display module.
10. device according to claim 7, which is characterized in that the control software can automatically generate test report.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721647040.0U CN207556749U (en) | 2017-12-01 | 2017-12-01 | Pressure sensor detecting device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721647040.0U CN207556749U (en) | 2017-12-01 | 2017-12-01 | Pressure sensor detecting device |
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| CN207556749U true CN207556749U (en) | 2018-06-29 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346070A (en) * | 2019-08-14 | 2019-10-18 | 昆山灵科传感技术有限公司 | Carrier and the MEMS pressure sensor mould group calibrator (-ter) unit for using the carrier |
| CN111174971A (en) * | 2019-11-26 | 2020-05-19 | 苏州纳芯微电子股份有限公司 | Detection assembly and pressure sensor calibration equipment |
| CN112326112A (en) * | 2020-10-09 | 2021-02-05 | 广东澳鸿科技有限公司 | Engine intake pressure sensor detection device and detection method thereof |
| CN112665772A (en) * | 2020-12-15 | 2021-04-16 | 神华铁路装备有限责任公司 | Train pipe inspection system and 25t axle weight aluminum alloy coal hopper car system |
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2017
- 2017-12-01 CN CN201721647040.0U patent/CN207556749U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110346070A (en) * | 2019-08-14 | 2019-10-18 | 昆山灵科传感技术有限公司 | Carrier and the MEMS pressure sensor mould group calibrator (-ter) unit for using the carrier |
| CN111174971A (en) * | 2019-11-26 | 2020-05-19 | 苏州纳芯微电子股份有限公司 | Detection assembly and pressure sensor calibration equipment |
| CN112326112A (en) * | 2020-10-09 | 2021-02-05 | 广东澳鸿科技有限公司 | Engine intake pressure sensor detection device and detection method thereof |
| CN112665772A (en) * | 2020-12-15 | 2021-04-16 | 神华铁路装备有限责任公司 | Train pipe inspection system and 25t axle weight aluminum alloy coal hopper car system |
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Inventor after: Chen Liang Inventor after: Meng Qingdong Inventor after: Xu Hongmei Inventor after: Xie Chunjie Inventor after: Gao Shan Inventor after: Shang Liming Inventor before: Chen Liang Inventor before: Meng Qingdong Inventor before: Xu Hongmei Inventor before: Xie Chunjie Inventor before: Gao Shan Inventor before: Shang Liming |