CN205317410U - Subminiature pressure transmitter testing instruction device - Google Patents
Subminiature pressure transmitter testing instruction device Download PDFInfo
- Publication number
- CN205317410U CN205317410U CN201521130569.6U CN201521130569U CN205317410U CN 205317410 U CN205317410 U CN 205317410U CN 201521130569 U CN201521130569 U CN 201521130569U CN 205317410 U CN205317410 U CN 205317410U
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- China
- Prior art keywords
- pressure unit
- display circuit
- unit
- pressure
- lithium cell
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a subminiature pressure transmitter testing instruction device. The device is including power supply and data cable (1), testing instruction socket (2), lithium cell (3), display screen (4), collection and display circuit (5), switch (7) and simulation / digital pressure transmitter select switch (8). This testing instruction device both can detect simulation pressure transmitter testing instruction data, also can detect digital pressure transmitter testing instruction data. The device is small and exquisite, practical, has improved detection efficiency, very convenient with simulated pressure and digital pressure sensor during along with pressure variation the magnitude of voltage of output pass through display screen (4) and show that degree of depth value can directly be seen to the naked eye, can be very conveniently carry on audio -visually judging to depth sensor's function quality and performance quality.
Description
Art
The utility model relates to a kind of subminiature pressure unit detection indicating unit, particularly relates to the device of a kind of detection to pressure unit state of the art.
Background technology
Pressure unit is applied to all trades and professions, especially similar underwater robot, under water product, underwater instrument equipment, underwater navigation body etc., will learn that their degree of depth under water are that depended on pressure transmitter (depth transducer) gathers. Pressure unit is a kind of instrument that pressure variety converts to standard output signals. The quality of pressure unit performance directly has influence on the collection of product depth information under water, and from the measurement of main control and outside trajectory parameter, product under water is brought very big impact. Pressure transmitter performance is more good, and the depth value of collection is more accurate.
Pressure unit is in use subject to the air pressure of place to use, height above sea level, humiture may occur that zero wander, linear lag variation etc. affect the problem of performance index, and even tired impaired, artificial damage causes disabler. At present, pressure unit is directly installed in the housing of product under water, and installing/dismounting is not very convenient, realize the detection to pressure unit state of the art, it is necessary to disassembled, pressurizeed by the pressure warning unit of standard, power supply, to after its power supply, is tested. Current pressure unit has analog output and digital output two kinds. Analog output directly exports the degree of depth information of analog quantity, and digital output exports various digital (RS232/RS485/CAN etc.) degree of depth information as required. As shown in Figure 3, if the pressure unit of analog output is by, after pressurization, testing output voltage with volt ohm-milliammeter; If the pressure unit test of digital output is got up, then relative complex is a little, it is necessary to undertaken changing and showing by digital quantity. Existing this kind of detection device is general all relatively big, not easily carries.
By literature search, at present, also do not find to adopt similar small-size pressure transducer detection indicating unit, can carry out directly to show the force value of the output voltage signal of the pressure unit of analog output or the pressure unit of digital output.
Summary of the invention
The utility model is for above prior art problem, a kind of small-size pressure transducer detection indicating unit is provided, no matter to the output voltage signal of the pressure unit of analog output or the pressure unit of digital output, can carry out directly to show force value (depth value).
The technical solution adopted in the utility model is: a kind of subminiature pressure unit detection indicating unit, comprise power supply and data cable (1), detection socket for indicating (2), lithium cell (3), display screen (4), gather and display circuit (5), power switch (7), analog/digital pressure unit system selector switch (8), described acquisition and display circuit (5) is connected with the interface of depth transducer by display interface, power supply and data cable (1) joint detection socket for indicating (2), described display screen (4) is connected with collection and display circuit (5), the power supply of described power switch (7) control lithium cell (3) and power-off, the selection of pressure unit type is controlled and connects acquisition and display circuit (5) and depth transducer by described analog/digital pressure unit system selector switch (8), described collection and display circuit (5) and depth transducer are powered by described lithium cell (3), described acquisition and display circuit (5) is used for receiving the signal that transmitted by RS232 serial ports, RS484, CAN, serial digital stream etc. of pressure unit of digital output, convert the signal into simulating signal again, and simulating signal is changed into corresponding degree of depth value, shown by display screen, the pressure unit that simultaneously can receive analog output by after Acquisition Circuit, convert the signal into corresponding depth value, shown by display screen, as shown in Figure 4.
One group of lithium cell (as long as in service area, such as select 16V/1000mAh) is selected collection and display circuit and depth transducer to be powered. Lithium cell is adopted to be for the ease of carrying. Simultaneously in order to the power supply and power-off controlling lithium cell (3) there is also mounted power switch (7).
In order to realize both being detected by the pressure unit of analog output, also the transmitter of digital output is detected, also it is provided with analog/digital pressure unit system selector switch (8), it is used for selecting the selection to pressure unit type and connects. When the pressure unit of digital output being connected, Acquisition Circuit will realize the conversion of digital to analogy, first convert numerary signal to simulating signal, then simulating signal converts to corresponding depth value, be shown by display screen.
Further, described display screen (4) is liquid crystal display.
Further, Acquisition Circuit is realizing the conversion (A/D) of numeral to simulation, it is possible to adopt special A/D chip, it is also possible to adopt the micro-chip with A/D module, realize the conversion of digital to analogy.
Further, the design is owing to being subject to the restriction of circuit size, and the C8051 single chip processor F040 selecting volume less realizes A/D conversion.
Further, described indicating unit also comprises pressure unit detection indicating unit shell (6).
Further, described indicating unit also comprises a charging socket (9), is charged by lithium cell.
This device principle of work is: after device power supply being connected with data cable (1), turn on the power switch (7), selective pressure transmitter type, when the pressure unit of analog output is detected, open simulated pressure transmitter system selector switch (8), pressurizeed by pressure warning unit, pressure unit is after acquisition and display circuit (5), collect simulating signal, and convert corresponding depth value to and be displayed on display screen (4);When the pressure unit of digital output is detected, open Digital Pressure Transducer system selector switch (8), pressurizeed by pressure warning unit, pressure unit is after acquisition and display circuit (5), after crossing the numerary signal that RS232 serial ports, RS484, CAN, serial digital stream etc. transmit, convert numerary signal to simulating signal again, and simulating signal is changed into corresponding degree of depth value, shown by display screen (4). Detect complete, powered-down switch (7).
When lithium cell (3) electricity is not enough, by charging socket (9) to its charging.
This device is small and exquisite, convenient, practical, it is to increase detection efficiency, very easily by the results acquisition of simulated pressure and digital pressure sensor with convert naked eyes to and can directly see depth value.
Accompanying drawing explanation
Fig. 1 is the structural representation of subminiature pressure unit detection indicating unit.
Fig. 2 is the schematic circuit diagram of collection and display circuit, the circuit that wherein collection and display circuit (5) are specialized designs.
Fig. 3 is existing pressure unit status checking schematic diagram.
Fig. 4 adopts the utility model to carry out pressure unit status checking schematic diagram.
In figure, 1-pressure unit cable, 2-detect socket for indicating, 3-lithium cell, 4-display screen, 5-gathers and display circuit, 6-pressure unit detection indicating unit shell, 7-power switch, 8-analog/digital pressure unit system selector switch.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is further described.
The utility model subminiature pressure unit detection indicating unit, comprise power supply and data cable 1, detection socket for indicating 2, lithium cell 3, display screen 4, collection and display circuit 5, power switch 7, analog/digital pressure unit system selector switch 8, described acquisition and display circuit 5 is connected with the interface of depth transducer by display interface, power supply and data cable 1 joint detection socket for indicating 2, described display screen 4 is connected with collection and display circuit 5; Described power switch 7 controls power supply and the power-off of lithium cell 3, and the selection of pressure unit type is controlled and connects acquisition and display circuit 5 and depth transducer by described analog/digital pressure unit system selector switch 8; Described collection and display circuit 5 and depth transducer are powered by described lithium cell 3, described acquisition and display circuit 5 is used for receiving the signal that transmitted by RS232 serial ports, RS484, CAN, serial digital stream etc. of pressure unit of digital output, convert the signal into simulating signal again, and simulating signal is changed into corresponding degree of depth value, shown by display screen 4; The pressure unit that simultaneously can receive analog output by after Acquisition Circuit, convert the signal into corresponding depth value, shown by display screen 4, as shown in Figure 4.
During use, after device power supply is connected with data cable 1, turn on the power switch 7, selective pressure transmitter type, when the pressure unit of analog output being detected, opens simulated pressure transmitter system selector switch 8, pressurizeed by pressure warning unit, pressure unit, after acquisition and display circuit 5, collects simulating signal, and converts corresponding depth value to and show on the display screen 4; When the pressure unit of digital output is detected, open Digital Pressure Transducer system selector switch 8, pressurizeed by pressure warning unit, pressure unit is after acquisition and display circuit 5, after crossing the numerary signal that RS232 serial ports, RS484, CAN, serial digital stream etc. transmit, convert numerary signal to simulating signal again, and simulating signal is changed into corresponding degree of depth value, shown by display screen 4.Detect complete, powered-down switch 7.
When lithium cell 3 electricity is not enough, by charging socket 9 to its charging.
No matter this device is the device that the output voltage signal of the pressure unit to analog output or the pressure unit of digital output can directly show, the current value of output is changed into depth value, so that it may the quality of pressure unit performance to be identified easily. The utility model has been carried out implementing checking by project contriver, demonstrates validity and reliability of the present utility model. This device is small and exquisite, easily carries, very convenient.
The foregoing is only enforcement of the present utility model checking example, not in order to limit the utility model. All within spirit of the present utility model and principle, any amendment of doing, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. a subminiature pressure unit detection indicating unit, it is characterized in that: comprise power supply and data cable (1), detection socket for indicating (2), lithium cell (3), display screen (4), gather and display circuit (5), power switch (7) and analog/digital pressure unit system selector switch (8), described acquisition and display circuit (5) is connected with the interface of depth transducer by display interface, power supply and data cable (1) joint detection socket for indicating (2), described display screen (4) is connected with collection and display circuit (5), described power switch (7) is connected with lithium cell, the power supply of power switch (7) control lithium cell (3) and power-off, described analog/digital pressure unit system selector switch (8) connects collection and display circuit (5), and the control of described analog/digital pressure unit system selector switch (8) to the selection of pressure unit type and connects acquisition and display circuit (5) and depth transducer, described collection and display circuit (5) and depth transducer are powered by described lithium cell (3), described acquisition and display circuit (5) converts the simulating signal that the pressure unit of the analog output collected sends to corresponding degree of depth value and maybe the numerary signal that the pressure unit of the digital output collected transmits is changed into simulating signal, and then simulating signal converted to corresponding degree of depth value, and it is displayed on display screen (4).
2. subminiature pressure unit according to claim 1 detection indicating unit, it is characterised in that: described indicating unit also comprises pressure unit detection indicating unit shell (6).
3. subminiature pressure unit according to claim 1 detection indicating unit, it is characterized in that: described acquisition and display circuit (5) can adopt special A/D chip, or adopt the micro-chip with A/D module, realize the conversion simulating numeral.
4. subminiature pressure unit according to claim 3 detection indicating unit, it is characterised in that: the C8051 single chip processor F040 that described micro-chip adopts volume less.
5. subminiature pressure unit according to claim 1 detection indicating unit, it is characterised in that: described indicating unit also comprises a charging socket (9), is charged by lithium cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521130569.6U CN205317410U (en) | 2015-12-30 | 2015-12-30 | Subminiature pressure transmitter testing instruction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521130569.6U CN205317410U (en) | 2015-12-30 | 2015-12-30 | Subminiature pressure transmitter testing instruction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205317410U true CN205317410U (en) | 2016-06-15 |
Family
ID=56200108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521130569.6U Expired - Fee Related CN205317410U (en) | 2015-12-30 | 2015-12-30 | Subminiature pressure transmitter testing instruction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205317410U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108241590A (en) * | 2016-12-27 | 2018-07-03 | 中国船舶重工集团公司七五○试验场 | A kind of serial data bus applied to submarine navigation device |
-
2015
- 2015-12-30 CN CN201521130569.6U patent/CN205317410U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108241590A (en) * | 2016-12-27 | 2018-07-03 | 中国船舶重工集团公司七五○试验场 | A kind of serial data bus applied to submarine navigation device |
| CN108241590B (en) * | 2016-12-27 | 2021-05-18 | 中国船舶重工集团公司七五○试验场 | Serial data bus applied to underwater vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160615 Termination date: 20181230 |