CN207036345U - Micro- gauge pressure check system - Google Patents
Micro- gauge pressure check system Download PDFInfo
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- CN207036345U CN207036345U CN201720945630.5U CN201720945630U CN207036345U CN 207036345 U CN207036345 U CN 207036345U CN 201720945630 U CN201720945630 U CN 201720945630U CN 207036345 U CN207036345 U CN 207036345U
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- gauge pressure
- micro
- gas
- check system
- incubator
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Abstract
The utility model discloses micro- gauge pressure check system, including：Incubator (1), for providing the temperature needed for verification for gauge pressure transducer module (11)；Several protective covers (2) in tubular construction being arranged in the incubator (1)；The product test wiring board (3) being arranged in the protective cover (2), the product test wiring board (3) is provided with several chip slots (3 1) and is used to fix gauge pressure transducer module (11), the outside of the chip slot (3 1) is provided with the probe groups (3 2) matched with gauge pressure transducer module (11), and the probe groups (3 2) are connected to signal picker through check bus (10)；For providing pressure for the gauge pressure transducer module (11) and sealing the pressue device (4) of the protective cover (2) one end.Micro- gauge pressure check system provided by the utility model, can verify gauge pressure transducer module in batches, and checking precision is high.
Description
Technical field
The utility model belongs to pressure sensor technique field, more particularly to a kind of micro- gauge pressure check system.
Background technology
Micro- gauge pressure transducer is a kind of pressure sensor of gas nozzle, and each chip need to use a tracheae to connect during verification,
Pressure is provided separately for each sensor assembly, the pressure sensor detection range is -3.75KPa~1.2KPa, and sensitivity is non-
Chang Gao, need pressure sensor module being placed in incubator during verification, incubator has strong air stream during alternating temperature
Move, it is necessary to avoid influence of the air flow to verification.The utility model is therefore.
The content of the invention
The utility model purpose is to provide a kind of micro- gauge pressure check system, can carry out verification behaviour to gauge pressure transducer in batches
Make, checking precision is high.
Based on above mentioned problem, technical scheme provided by the utility model is：
Micro- gauge pressure check system, including：
Incubator, for providing the temperature needed for verification for gauge pressure transducer module；
Several protective covers in tubular construction being arranged in the incubator；
The product test wiring board being arranged in the protective cover, the product test wiring board are provided with several chips
Groove is used to fix gauge pressure transducer module, and the outside of the chip slot is provided with the probe groups matched with gauge pressure transducer module, institute
State probe groups and be connected to signal picker through check bus；
It is described to add for providing pressure for the gauge pressure transducer module and sealing the pressue device of described protective cover one end
Pressure device includes base and is arranged on the side plate of base length direction one end, and the base is connected to gas provided with several
The forcing pipe in source, the forcing pipe are connected to the valve of the gauge pressure transducer module, the side plate and the protective cover end
Opening matches.
In some embodiments wherein, the base connects gas branch pipe provided with gas house steward is met with several, described to connect
Gas house steward is met described in gas branch pipe warp and is connected to source of the gas, and the gas branch pipe that connects is connected to the gauge pressure transducer mould through the forcing pipe
The valve of block.
In some embodiments wherein, the side plate is provided with pressurizing adaptor, described to meet gas house steward through the pressurization
Joint is connected to source of the gas.
In some embodiments wherein, several protective cover placed layers are provided with the incubator, the protective cover is put
Put layer and be provided with multiple protective covers.
In some embodiments wherein, the top of the protective cover placed layer is provided with pressure-applying unit, the pressurization group
Part includes the tracheae being fixed in the incubator side wall and several bronchuses for being connected to the tracheae, the tracheae connection
Source of the gas outside to the incubator, the bronchus are connected to the pressurizing adaptor.
In some embodiments wherein, the product test wiring board is arranged on the base.
In some embodiments wherein, the side plate is provided with bus hub, and the bus hub is connected to described
Probe groups.
In some embodiments wherein, the inner side of the side plate is provided with sealing gasket.
Compared with prior art, the utility model has the advantages that：
Using the technical solution of the utility model, gauge pressure transducer module is arranged on product test wiring board, each
Gauge pressure transducer module is connected with corresponding probe groups, and gauge pressure transducer module is connected with pressue device and latter is placed in protecting
In cover, protective cover one end is sealed with pressue device, check bus is connected to bus hub, closes incubator and adjusts incubator to one
Constant temperature degree, check bus are connected to signal picker, are transmitted through signal picker to host computer and are compared analysis, so as to table
Pressure sensor module is verified；The calibration equipment capacity is big, easy to operate, can verify gauge pressure transducer module in batches, significantly
Improve verification efficiency；Set protective cover to place incubator air circulation to influence caused by verification, improve checking precision.
Brief description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
The accompanying drawing used is briefly described, and drawings in the following description are only some embodiments of the utility model, for ability
For the those of ordinary skill of domain, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other attached
Figure.
Fig. 1 is the structural representation of the micro- gauge pressure check system embodiment of the utility model；
Fig. 2 is the part-structure schematic diagram of product test wiring board in the utility model embodiment；
Fig. 3 is the structural representation of pressue device in the utility model embodiment；
Fig. 4 is product test wiring board and pressue device connection diagram in the utility model embodiment；
Fig. 5 is the fundamental diagram that the utility model embodiment is used for the verification of gauge pressure transducer module；
Wherein：
1st, incubator；1-1, protective cover overcoat；
2nd, protective cover；
3rd, product test wiring board；3-1, chip slot；3-2, probe groups；
4th, pressue device；4-1, base；4-2, side plate；4-3, meet gas house steward；4-4, connect gas branch pipe；4-5, sealing gasket；4-
6th, forcing pipe；
5th, pressurizing adaptor；
6th, bus hub；
7th, tracheae；
8th, bronchus；
9th, source of the gas；
10th, check bus
11st, gauge pressure transducer module.
Embodiment
Such scheme is described further below in conjunction with specific embodiment.It should be understood that these embodiments are to be used to illustrate
The utility model and be not limited to limit the scope of the utility model.The implementation condition used in embodiment can be according to specific producer
Condition do further adjustment, unreceipted implementation condition is usually the condition in normal experiment.
Referring to Fig. 1-4, for the structural representation of the utility model embodiment, there is provided a kind of micro- gauge pressure check system, including
Incubator 1, several protective covers 2, product test wiring board 3 and pressue device 4.
Wherein incubator 1 is prior art, to provide the temperature needed for verification for gauge pressure transducer module, is passed through in use
Temperature in incubator controller control incubator 1.
Protective cover 2 is arranged in incubator 1, and the protective cover 2 in tubular construction, and is extended, protection to the back-end by the front end of incubator 1
The front and rear end opening of cover 2.
Product test wiring board 3 is arranged in protective cover 2, and several chip slots 3-1 is provided with product test wiring board 3
For fixing gauge pressure transducer module, probe groups 3-2, the test of gauge pressure transducer module 11 are provided with chip slot 3-1 outside
Need to draw three checkout lines, probe groups 3-2 sets three probes accordingly, and each probe groups are connected to check bus 10, verifies
Bus 10 is connected to signal picker to gather the verification data of gauge pressure transducer module, referring to Fig. 4, signal picker connection
The data transfer collected to host computer, host computer are analyzed the signal received to host computer signal picker, from
And judge the performance of gauge pressure transducer module 11, pressure value is calculated, result is interacted by man-machine interface with operator, and by number
According to preservation.Host computer is connected to control test pressure, temperature with pressure controller, incubator controller, so as to detect gauge pressure sensing
The performance of device module 11 at different temperatures.
Pressue device 4 is used to be pressure and the one end of salable protective cover 2 needed for gauge pressure transducer module 11 provides verification, keeps away
Exempt from influence of the air flow to test during the alternating temperature of incubator 1, the pressue device 4 includes base 4-1 and is arranged on base 4-1 length
The side plate 4-2 of direction one end is spent, can be placed in protective cover 2 in base 4-1 and which is provided with several pressurizations for being connected to source of the gas 9
The valve that pipe 4-6, forcing pipe 4-6 are connected to gauge pressure transducer module pressurizes to gauge pressure transducer module, side plate 4-2 and protective cover
2 open-ended matchings.
Specifically, base 4-1 meets gas branch pipe 4-4 provided with gas house steward 4-3 is met with several, several meet gas branch pipe 4-4
Source of the gas 9 is connected to through meeting gas house steward 4-3, connects the valve that the pressurized pipe 4-6 of gas branch pipe 4-4 are connected to gauge pressure transducer.In side plate
4-2 is provided with pressurizing adaptor 5, connects the pressurized joints 5 of gas house steward 4-3 and is connected to source of the gas 9.
For the ease of arrangement product test wiring board 3 and pressue device 4, referring to Fig. 4, the plate of product test circuit 3 is set
On base 4-1, such as set two rows along base 4-1 length directions and meet gas branch pipe 4-4, gas branch is connect positioned at two rows on base 4-1
Pipe 4-4 both sides set product test wiring board 3 respectively, by connection between two pieces of product test wiring boards, connect gas branch
The pressurized pipe 4-6 of pipe 4-4 are connected to the valve of the gauge pressure transducer module 11 on product test wiring board 3.
In order to improve incubator verification capacity, several protective covers placed layer 1-1 is internally provided with, in protective cover placed layer 1-
1 is provided with multiple protective covers 2.
For the ease of pressue device 4 is connected into source of the gas 9, pressure-applying unit is provided with protective cover placed layer 1-1 top, should
Pressure-applying unit includes the tracheae 7 being fixed in the side wall of incubator 1 and several bronchuses 8 for being connected to tracheae 7, the number of bronchus 8
Mesh is consistent with the number of the protective cover 2 on every layer of protective cover placed layer 1-1, and every layer of tracheae 7 is connected to source of the gas 9, each gas
Pipe 8 is connected to each pressurizing adaptor 5.
In this example, bus hub 6 is provided with side plate 4-2, the bus hub 6 is connected on product test wiring board 3
Probe groups 3-2, the check bus 10 outside incubator 1 can be inserted in bus hub 6 is connected to signal picker by each probe groups 3-2.
In order to improve the sealing of protective cover 2, sealing gasket 4-5 is provided with the inside of side plate 4-2.
For examples detailed above only to illustrate technical concepts and features of the present utility model, its object is to allow be familiar with technique
People is can to understand content of the present utility model and implement according to this, can not limit the scope of protection of the utility model with this.It is all
The equivalent transformation done according to the utility model Spirit Essence or modification, should all cover the scope of protection of the utility model it
It is interior.
Claims (8)
1. micro- gauge pressure check system, it is characterised in that including：
Incubator (1), for providing the temperature needed for verification for gauge pressure transducer module (11)；
Several protective covers (2) in tubular construction being arranged in the incubator (1)；
The product test wiring board (3) being arranged in the protective cover (2), the product test wiring board (3) are provided with some
Individual chip slot (3-1) is used to fix gauge pressure transducer module (11), and the outside of the chip slot (3-1) is provided with and gauge pressure transducer
The probe groups (3-2) of module (11) matching, the probe groups (3-2) are connected to signal picker through check bus (10)；
For providing pressure for the gauge pressure transducer module (11) and sealing the pressue device (4) of the protective cover (2) one end,
The pressue device (4) includes base (4-1) and is arranged on the side plate (4-2) of the base (4-1) length direction one end, described
Base (4-1) is provided with several forcing pipes (4-6) for being connected to source of the gas (9), and the forcing pipe (4-6) is connected to the gauge pressure
The valve of sensor assembly (11), the side plate (4-2) with the protective cover (2) is open-ended matches.
2. micro- gauge pressure check system according to claim 1, it is characterised in that：The base (4-1) is total provided with gas is connect
Pipe (4-3) and several connect gas branch pipe (4-4), it is described connect gas branch pipe (4-4) pass through described in meet gas house steward (4-3) and be connected to source of the gas
(9), the valve for connecing gas branch pipe (4-4) and the gauge pressure transducer module (11) being connected to through the forcing pipe (4-6).
3. micro- gauge pressure check system according to claim 2, it is characterised in that：The side plate (4-2) connects provided with pressurization
Head (5), it is described to meet gas house steward (4-3) and be connected to source of the gas (9) through the pressurizing adaptor (5).
4. micro- gauge pressure check system according to claim 3, it is characterised in that：It is anti-provided with several in the incubator (1)
Shield placed layer (1-1), the protective cover placed layer (1-1) are provided with multiple protective covers (2).
5. micro- gauge pressure check system according to claim 4, it is characterised in that：The protective cover placed layer (1-1) it is upper
Side is provided with pressure-applying unit, and the pressure-applying unit includes the tracheae (7) being fixed in the incubator (1) side wall and is connected to described
Several bronchuses (8) of tracheae (7), the tracheae (7) are connected to the source of the gas (9) of the incubator (1) outside, the bronchus
(8) it is connected to the pressurizing adaptor (5).
6. micro- gauge pressure check system according to claim 1, it is characterised in that：The product test wiring board (3) is set
On the base (4-1).
7. micro- gauge pressure check system according to claim 1, it is characterised in that：The side plate (4-2) is inserted provided with bus
Seat (6), the bus hub (6) are connected to the probe groups (3-2).
8. micro- gauge pressure check system according to claim 1, it is characterised in that：The inner side of the side plate (4-2) is provided with close
Packing (4-5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720945630.5U CN207036345U (en) | 2017-08-01 | 2017-08-01 | Micro- gauge pressure check system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720945630.5U CN207036345U (en) | 2017-08-01 | 2017-08-01 | Micro- gauge pressure check system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207036345U true CN207036345U (en) | 2018-02-23 |
Family
ID=61461780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720945630.5U Active CN207036345U (en) | 2017-08-01 | 2017-08-01 | Micro- gauge pressure check system |
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| Country | Link |
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| CN (1) | CN207036345U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111238724A (en) * | 2020-01-18 | 2020-06-05 | 天水逢泰科技有限责任公司 | High-precision pressure transmitter aging test system test device |
| CN112461445A (en) * | 2020-11-20 | 2021-03-09 | 中国直升机设计研究所 | Helicopter blade surface miniature pressure sensor calibrating device |
-
2017
- 2017-08-01 CN CN201720945630.5U patent/CN207036345U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111238724A (en) * | 2020-01-18 | 2020-06-05 | 天水逢泰科技有限责任公司 | High-precision pressure transmitter aging test system test device |
| CN112461445A (en) * | 2020-11-20 | 2021-03-09 | 中国直升机设计研究所 | Helicopter blade surface miniature pressure sensor calibrating device |
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