CN209946383U - Large depth small doppler log - Google Patents
Large depth small doppler log Download PDFInfo
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- CN209946383U CN209946383U CN201920655239.0U CN201920655239U CN209946383U CN 209946383 U CN209946383 U CN 209946383U CN 201920655239 U CN201920655239 U CN 201920655239U CN 209946383 U CN209946383 U CN 209946383U
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Abstract
The utility model discloses a small-size Doppler log of big degree of depth relates to and tests the speed and navigation equipment technical field under water. The log comprises a shell, an upper cover, a lower cover plate, a phase control transducer, a signal receiving circuit, a signal transmitting circuit and a power circuit, wherein the top of the shell is downwards concave to form a first cavity, the bottom of the shell is upwards concave to form a second cavity, the phase control transducer is fixed in the second cavity, and the lower cover plate is hermetically mounted at the bottom of the second cavity; the signal receiving circuit, the signal transmitting circuit and the power supply circuit are sequentially arranged in the first cavity from bottom to top, and the upper cover is hermetically arranged at the top of the first cavity; the phase control transducer, the signal receiving circuit, the signal transmitting circuit and the power circuit are connected through wires. The transducer is provided with one and just for controlling the transducer mutually, has reduced the casing size greatly, makes log weight alleviate greatly, makes the log be applicable to the high accuracy demand of testing the speed of big degree of depth carrier platform under water.
Description
Technical Field
The utility model relates to a test the speed and navigational equipment technical field under water, concretely relates to small-size Doppler log of big degree of depth.
Background
The Doppler log is an instrument for precise speed measurement and accumulated voyage, which is manufactured according to the Doppler effect principle of sound waves in water, and is one of autonomous navigation equipment widely applied to ships and underwater platforms. The conventional Doppler log adopts four independent piston type transducers to form a transducer array, and the transmitting and receiving side lobes of the transducer array are large, so that the measurement precision is influenced; at the same time, the transducer is bulky, resulting in an excessive weight of the entire log. Meanwhile, as the working depth increases, the size of the matrix increases and the weight increases, so that it is difficult to install the matrix on an underwater carrier for use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a small-size Doppler log of big degree of depth solves current log because of bulky and weight overweight, is difficult to satisfy the problem of carrier operation under big degree of depth environment under water.
In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a small-size Doppler log of big degree of depth which characterized in that: the phase-controlled energy converter is fixed in the second cavity, and the lower cover plate is hermetically mounted at the bottom of the second cavity; the signal receiving circuit, the signal transmitting circuit and the power supply circuit are sequentially arranged in the first cavity from bottom to top, and the upper cover is hermetically arranged at the top of the first cavity; the phase control transducer, the signal receiving circuit, the signal transmitting circuit and the power circuit are connected through wires.
According to a further technical scheme, an internal thread counter bore is formed in the bottom of the first cavity, a PCB fixing column is fixed in the internal thread counter bore through threads, a signal receiving circuit is installed on the PCB fixing column, and the signal receiving circuit, a signal transmitting circuit and a power circuit are fixedly connected through the PCB fixing column.
The technical scheme is that the wiring terminal is arranged above the upper cover, the upper cover is a hollow cavity with an opening at the bottom, a first wire passing through hole is formed in the top of the hollow cavity, and the electric wire is connected with the wiring terminal through the first wire passing through hole.
The phase control transducer is connected with the signal receiving circuit, the signal transmitting circuit and the power circuit through the second wire passing through hole.
A further technical scheme is that the top of the shell is provided with a mounting hole.
The further technical proposal is that the side wall of the shell is provided with a groove, and a zinc block is arranged in the groove.
The working principle is as follows: install the transducer of controlling phase in the second cavity, from up installing in first cavity in proper order down with signal receiving circuit, signal transmission circuit and power supply circuit, connect above-mentioned component with the electric wire, lower apron lid closes in second cavity bottom, and the upper cover lid fits first cavity top, simultaneously with junction sealing process. The electric wire is led out from the wiring terminal through the first wire passing through hole in the top of the upper cover to be connected. After the Doppler log is assembled, the log is mounted on a corresponding underwater carrier platform through a mounting hole in the top of the shell. When the underwater carrier platform works underwater, the Doppler log can measure the speed, the position and other related data.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a small, the small-size Doppler log of big degree of depth of quality, through setting up in the phase-controlled transducer of second cavity and setting up in the signal reception circuit in first cavity, signal transmission circuit, power supply circuit accomplishes functions such as the speed measurement of log, the transducer is provided with one and just for the phase-controlled transducer, the casing size has been reduced greatly, make log weight alleviate greatly, make the log both can be applicable to small-size carrier platform under water, also can be applicable to the high accuracy demand of testing the speed of big degree of depth carrier platform under water.
Drawings
Fig. 1 is a schematic structural view of the large-depth small doppler log of the present invention.
Fig. 2 is a cross-sectional view of the large depth small doppler log of the present invention.
Fig. 3 is the internal structure schematic diagram of the large-depth small doppler log of the present invention without the upper cover.
Fig. 4 is a schematic structural diagram of the middle housing of the present invention.
Fig. 5 is a schematic structural view of the upper cover of the present invention.
In the figure: 1-shell, 2-upper cover, 3-lower cover plate, 4-phased transducer, 5-signal receiving circuit, 6-signal transmitting circuit, 7-power circuit, 8-PCB fixing column, 9-wiring terminal, 10-zinc block, 101-first cavity, 102-second cavity, 103-internal thread counter bore, 104-second through-line through hole, 105-mounting hole, 106-groove, 201-first through-line through hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
The large-depth small Doppler log shown in figures 1 and 2 is characterized in that: the phase-controlled energy converter comprises a shell 1, an upper cover 2, a lower cover plate 3, a phase-controlled energy converter 4, a signal receiving circuit 5, a signal transmitting circuit 6 and a power supply circuit 7, wherein the top of the shell 1 is downwards concave to form a first cavity 101, the bottom of the shell is upwards concave to form a second cavity 102, the phase-controlled energy converter 4 is fixed in the second cavity 102, and the lower cover plate 3 is hermetically arranged at the bottom of the second cavity 102; the signal receiving circuit 5, the signal transmitting circuit 6 and the power circuit 7 are sequentially arranged in the first cavity 101 from bottom to top, and the upper cover 2 is hermetically arranged at the top of the first cavity 101; the phase control transducer 4, the signal receiving circuit 5, the signal transmitting circuit 6 and the power supply circuit 7 are connected by electric wires.
Install phased transducer 4 in second cavity 102, from up installing in first cavity 101 in proper order down with signal receiving circuit 5, signal transmission circuit 6 and power supply circuit 7, connecting above-mentioned component with the electric wire, lower cover plate 3 covers fits in second cavity 102 bottom, and upper cover 2 covers fits in first cavity 101 top, simultaneously with the junction sealing process. And after the Doppler log is assembled, the log is installed on a corresponding underwater carrier platform. When the underwater carrier platform works underwater, the Doppler log can measure the speed, the position and other related data. The log is easy to assemble and operate and convenient for batch production.
Through setting up in the phase transducer 4 of controlling of second cavity 102 and setting up in the signal reception circuit 5 of first cavity 101, signal transmission circuit 6, power supply circuit 7 accomplish functions such as the speed measurement of log, the transducer is provided with one and just for controlling the transducer mutually, has reduced 1 size of casing greatly, makes log weight alleviate greatly, makes the log both can be applicable to small-size carrier platform under water, also can be applicable to the high accuracy demand of testing the speed of big degree of depth carrier platform under water.
Example 2
In order to further optimize the technical scheme in embodiment 1, in this embodiment, an internal thread counterbore 103 is formed at the bottom of the first cavity 101, a PCB fixing column 8 is fixed in the internal thread counterbore 103 through a thread, the signal receiving circuit 5 is mounted on the PCB fixing column 8, and the signal receiving circuit 5, the signal transmitting circuit 6 and the power circuit 7 are fixedly connected through the PCB fixing column 8.
As shown in fig. 3, an external thread is provided on the side wall of the lower portion of the PCB fixing column 8, an internal thread hole adapted to the external thread is provided on the top portion, after the PCB fixing column 8 is installed in the internal thread counter bore 103, the signal receiving circuit 5 is placed on the top portion of the PCB fixing column 8, and then the PCB fixing column 8 is used for fixing the signal receiving circuit 5 and the signal transmitting circuit 6, and the power circuit 7 are respectively fixed by the method. Meanwhile, the outer side wall of the upper part of the PCB fixing column 8 is in an outer hexagon shape, and can be directly locked by using a tool. Make signal receiving circuit 5, signal transmission circuit 6 and power supply circuit 7 install in first cavity 101 fast, effectively improve production efficiency.
Example 3
In order to further optimize the technical solution in embodiment 1, in this embodiment, a connection terminal 9 is disposed above the upper cover 2, the upper cover 2 is a hollow cavity with an open bottom, a first wire passing through hole 201 is disposed at the top of the hollow cavity, and the wire is connected to the connection terminal 9 through the first wire passing through hole 201. As shown in fig. 5, the water tightness requirement of the log can be met by sealing the first through hole 201, and the log is communicated with the test equipment through the wiring terminal 9, so that the log is convenient to use.
Example 4
In order to further optimize the technical solution in embodiment 1, in this embodiment, a second wire through hole 104 is formed at the bottom of the first cavity 101, and the electric wire connects the phase-controlled transducer 4 with the signal receiving circuit 5, the signal transmitting circuit 6, and the power circuit 7 through the second wire through hole 104. The second through hole 104 realizes the signal data transmission between the phase-controlled transducer 4 and the signal receiving circuit 5, the signal transmitting circuit 6 and the power circuit 7, and simultaneously avoids the interference of the signal receiving circuit 5, the signal transmitting circuit 6 and the power circuit 7 to the phase-controlled transducer 4.
Example 5
In order to further optimize the technical solution of embodiment 1, in this embodiment, a mounting hole 105 is formed on the top of the housing 1. As shown in fig. 4, the log is mounted on a corresponding underwater carrier platform through a mounting hole 105 on the top of the housing 1, so that the log is convenient for users to use.
Example 6
In order to further optimize the technical solution in embodiment 1, in this embodiment, a groove 106 is provided on a side wall of the housing 1, and the zinc block 10 is provided in the groove 106. The arrangement of the zinc block 10 ensures that the zinc block 10 with higher activity is preferentially corroded when the log is used underwater, particularly in seawater, thereby effectively prolonging the service life of the log.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More particularly, various variations and modifications are possible in the component parts and/or arrangements within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a small-size Doppler log of big degree of depth which characterized in that: the phase-controlled energy converter comprises a shell (1), an upper cover (2), a lower cover plate (3), a phase-controlled energy converter (4), a signal receiving circuit (5), a signal transmitting circuit (6) and a power circuit (7), wherein the top of the shell (1) is downwards concave to form a first cavity (101), the bottom of the shell is upwards concave to form a second cavity (102), the phase-controlled energy converter (4) is fixed in the second cavity (102), and the lower cover plate (3) is hermetically mounted at the bottom of the second cavity (102); the signal receiving circuit (5), the signal transmitting circuit (6) and the power circuit (7) are sequentially arranged in the first cavity (101) from bottom to top, and the upper cover (2) is hermetically arranged at the top of the first cavity (101);
the phase control transducer (4), the signal receiving circuit (5), the signal transmitting circuit (6) and the power circuit (7) are connected through electric wires.
2. The large depth compact doppler log of claim 1, wherein: an internal thread counter bore (103) is formed in the bottom of the first cavity (101), a PCB fixing column (8) is fixed in the internal thread counter bore (103) through threads, a signal receiving circuit (5) is installed on the PCB fixing column (8), and the signal receiving circuit (5), a signal transmitting circuit (6) and a power circuit (7) are fixedly connected through the PCB fixing column (8).
3. The large depth compact doppler log of claim 1, wherein: the wire connecting terminal is characterized in that a wire connecting terminal (9) is arranged above the upper cover (2), the upper cover (2) is a hollow cavity with an opening at the bottom, a first wire passing through hole (201) is formed in the top of the hollow cavity, and an electric wire is connected with the wire connecting terminal (9) through the first wire passing through hole (201).
4. The large depth compact doppler log of claim 1, wherein: a second wire passing through hole (104) is formed in the bottom of the first cavity (101), and a wire connects the phase-controlled transducer (4) with the signal receiving circuit (5), the signal transmitting circuit (6) and the power circuit (7) through the second wire passing through hole (104).
5. The large depth compact doppler log of claim 1, wherein: the top of the shell (1) is provided with a mounting hole (105).
6. The large depth compact doppler log of claim 1, wherein: a groove (106) is formed in the side wall of the shell (1), and a zinc block (10) is arranged in the groove (106).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920655239.0U CN209946383U (en) | 2019-05-09 | 2019-05-09 | Large depth small doppler log |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920655239.0U CN209946383U (en) | 2019-05-09 | 2019-05-09 | Large depth small doppler log |
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| Publication Number | Publication Date |
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| CN209946383U true CN209946383U (en) | 2020-01-14 |
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| CN201920655239.0U Active CN209946383U (en) | 2019-05-09 | 2019-05-09 | Large depth small doppler log |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111273295A (en) * | 2020-02-21 | 2020-06-12 | 北京联合声信海洋技术有限公司 | Underwater height measuring instrument |
| CN114243243A (en) * | 2021-12-16 | 2022-03-25 | 贵州航天电子科技有限公司 | Miniaturized cavity structure |
| CN114543798A (en) * | 2022-02-23 | 2022-05-27 | 上海新跃联汇电子科技有限公司 | Integrated high-precision underwater inertial navigation and Doppler velocimeter combined navigation system |
-
2019
- 2019-05-09 CN CN201920655239.0U patent/CN209946383U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111273295A (en) * | 2020-02-21 | 2020-06-12 | 北京联合声信海洋技术有限公司 | Underwater height measuring instrument |
| CN114243243A (en) * | 2021-12-16 | 2022-03-25 | 贵州航天电子科技有限公司 | Miniaturized cavity structure |
| CN114543798A (en) * | 2022-02-23 | 2022-05-27 | 上海新跃联汇电子科技有限公司 | Integrated high-precision underwater inertial navigation and Doppler velocimeter combined navigation system |
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Address after: 650000 2F, building 1, Donghua office, No. 19, Bailong Road, Panlong District, Kunming City, Yunnan Province Patentee after: Haiying Deep Sea Technology Co.,Ltd. Address before: 650000 2 floor, 1 building, Donghua office, 19 Bailong Road, Kunming, Yunnan. Patentee before: YUNNAN BAOLI TIANTONG INSTRUMENT Co.,Ltd. |
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| CP03 | Change of name, title or address |