Wiring structure of electromagnetic flowmeter
By using a plug-in board in the electromagnetic flowmeter to connect the excitation line and the signal line, the problem of complex and error-prone connections of the plug and socket in the prior art is solved, and a more efficient and accurate connection and signal shielding effect is achieved.
Patent Information
- Application Number
- CN202323546475.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-25
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2033-12-25
AI Technical Summary
The plug and socket connection process of existing electromagnetic flowmeters is complicated, which can easily lead to poor cable contact and fall off, affecting product quality.
The plug-in board is used to connect the excitation line and signal line of the converter and sensor through the jack, simplifying the connection method, reducing the probability of poor crimp quality, and achieving signal interference shielding through shielding wires.
It improves the connection efficiency and production quality of electromagnetic flowmeters, reduces the production difficulty and error probability, and ensures the accuracy of signal transmission and interference shielding effect.
Smart Images
Figure CN222144224U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of electromagnetic flowmeters, and in particular to a wiring structure of an electromagnetic flowmeter. Background Art
[0002] The electromagnetic flowmeter consists of two parts: a converter and a sensor. The sensor and the converter are connected through an excitation line and a signal line. In order to facilitate the assembly and on-site maintenance of the electromagnetic flowmeter, the converter and the sensor are usually connected by a plug and a socket crimped on the cable.
[0003] Due to assembly process requirements, plugs and sockets usually need to be crimped manually, which is difficult and requires a lot of man-hours. At the same time, poor crimping quality can easily lead to poor cable contact and cable detachment, resulting in defective products and quality problems. Utility Model Content
[0004] In order to improve the connection efficiency between the converter and the sensor in a split-type electromagnetic flowmeter, the present application provides a wiring structure of an electromagnetic flowmeter.
[0005] The present application provides a wiring structure of an electromagnetic flowmeter, which adopts the following technical solution:
[0006] A wiring structure of an electromagnetic flowmeter, comprising:
[0007] A converter, comprising a plurality of first excitation wires and a plurality of first signal wires extending therefrom;
[0008] A sensor including a plurality of extended second excitation wires and a plurality of second signal wires;
[0009] The socket board is fixed on the sensor housing and includes a plurality of first sockets and a plurality of second sockets. The plurality of first sockets are used for plugging in a plurality of first excitation wires and a plurality of first signal wires, and the plurality of second sockets are used for plugging in a plurality of second excitation wires and a plurality of second signal wires.
[0010] By adopting the above technical scheme, the multiple first excitation wires and the multiple first signal wires extended from the converter are connected to the multiple second excitation wires and the multiple second signal wires of the sensor through the power strip, and multiple first plug holes and multiple second plug holes are arranged on the power strip, so that the connection between the converter and the sensor is more convenient and the connection method is simpler; the present application utilizes the power strip to replace the connection method of the plug and socket, reduces the problems of poor crimping quality, poor contact or falling off of the connecting wires caused by crimping multiple connecting wires to a plug or socket, and improves the production quality of the product.
[0011] Optionally, the multiple first signal lines include two two-core signal lines, and the multiple second signal lines include two single-core signal lines. The two two-core signal lines are respectively plugged into a first socket, and the two single-core signal lines are respectively plugged into a second socket. The two two-core signal lines and the two single-core signal lines are coupled one-to-one through a socket board.
[0012] By adopting the above technical solution, the two-core signal wire in the converter and the single-core signal wire in the sensor are directly connected to the socket board, and the connection between the two-core signal wire in the converter and the single-core signal wire in the sensor is achieved through the socket board, which reduces the difficulty of making the connection structure.
[0013] Optionally, the multiple first signal wires also include a first shielding wire, and the multiple second signal wires also include a second shielding wire, a third shielding wire and a fourth shielding wire. The first shielding wire is correspondingly plugged into a first socket, and the second shielding wire, the third shielding wire and the fourth shielding wire are respectively correspondingly plugged into a second socket. The first shielding wire is simultaneously coupled with the second shielding wire, the third shielding wire and the fourth shielding wire through a socket board.
[0014] By adopting the above technical solution, a shielding wire is set to achieve signal interference shielding, the first shielding wire is plugged into the first jack, and the second shielding wire, the third shielding wire and the fourth shielding wire are respectively plugged into multiple second jacks, so that the shielding wires on both sides of the converter and the sensor can be quickly connected, the installation is simple, and it is not easy to make connection errors; at the same time, pulling out the shielding wire and directly connecting it to the plug board can reduce the difficulty of making the sensor.
[0015] Optionally, the two two-core signal wires include a signal wire S1+ and a signal wire S1-, and the two single-core signal wires include a signal wire S2+ and a signal wire S2-;
[0016] The signal line S1+ and the signal line S2+ are coupled via the plug board, and the signal line S1- and the signal line S2- are coupled via the plug board.
[0017] By adopting the above technical solution, the signal line S1+ and the signal line S1- are respectively plugged into a first plug-in hole, and the signal line S2+ and the signal line S2- are respectively plugged into a second plug-in hole. The signal lines at both ends can be quickly aligned and coupled through the plug board. Compared with the connection method of the socket and the plug, the connection is more convenient and the difficulty of production and manufacturing is lower.
[0018] Optionally, the first shielding wire is simultaneously sleeved outside the signal wire S1+ and the signal wire S1-, the second shielding wire is sleeved outside the signal wire S2+, and the third shielding wire is sleeved outside the signal wire S2-.
[0019] By adopting the above technical solution, the first shielding wire is arranged outside the signal line S1+ and the signal line S1- according to the shielding requirements, the second shielding wire is arranged outside the signal line S2+, and the third shielding wire is arranged outside the signal line S2-. The first shielding wire, the second shielding wire and the third shielding wire can be used to shield external signal interference, making signal transmission more accurate.
[0020] Optionally, one end of the fourth shielding wire is connected to the housing of the sensor, and the other end is connected to both the second shielding wire and the third shielding wire.
[0021] By adopting the above technical solution, one end of the fourth shielding wire is connected to the sensor housing to achieve grounding. By directly connecting the fourth shielding wire to the housing, the design of the sensor grounding cable can be omitted and the production and manufacturing process can be streamlined. In addition, the second shielding wire and the third shielding wire are grounded through the fourth shielding wire, and the second shielding wire and the third shielding wire are coupled to the first shielding wire, so that shielding interference to the entire electromagnetic flowmeter is achieved through the fourth shielding wire.
[0022] Optionally, a groove is provided on the housing of the sensor, the plug-in board is fixed in the groove, and the plug-in board is grounded through the housing of the sensor.
[0023] By adopting the above technical solution, the groove is provided to realize the rapid fixation and sealing of the plug board. At the same time, the plug board is connected to the sensor housing, which can save the setting of the grounding cable of the plug board.
[0024] Optionally, the number of the first excitation wires and the number of the second excitation wires are the same, and a plurality of the first excitation wires and a plurality of the second excitation wires are coupled one-to-one via a power strip.
[0025] By adopting the above technical solution, multiple first excitation wires are plugged into multiple first jacks, and multiple second excitation wires are plugged into multiple second jacks, so that one-to-one coupling of the first excitation wires and the second excitation wires can be achieved.
[0026] Optionally, the plurality of first jacks are divided into a first excitation jack area and a first signal jack area, and the plurality of second jacks are divided into a second excitation jack area and a second signal jack area;
[0027] The first excitation socket area and the second excitation socket area are arranged opposite to each other, and the first signal socket area and the second signal socket area are arranged opposite to each other.
[0028] By adopting the above technical solution, multiple first jacks are divided into two areas, and multiple second jacks are divided into two areas, which can facilitate manufacturers to more quickly plug the excitation lines and signal lines into the corresponding first jacks and second jacks, thereby improving manufacturing efficiency and ease of use.
[0029] Optionally, the first excitation wire and the first signal wire are cold-pressed terminals or directly pressed into the first jack, and the second excitation wire and the second signal wire are cold-pressed terminals or directly pressed into the second jack.
[0030] By adopting the above technical solution, the first excitation line, the first signal line, the second excitation line and the second signal line can be plugged into the first jack and the second jack more conveniently and quickly, and the production and manufacturing are convenient.
[0031] In summary, the present application includes at least one of the following beneficial effects:
[0032] 1. In the process of manufacturing the sensor, the present application directly fixes the plug board on the sensor, and sets a plurality of first jacks and second jacks on the plug board, which can improve the convenience of connecting the sensor and the converter, and at the same time make the manufacturing of the wiring structure simpler and the production quality better;
[0033] 2. Pull the shielded wire out of the converter and sensor and connect them directly through the plug board, making the production of the shielded wire more convenient and reducing the probability of poor quality of the crimping during the production process;
[0034] 3. The present application divides the first socket and the second socket into zones, so that users or producers can more conveniently and quickly connect multiple excitation wires and multiple signal wires to the corresponding first sockets and second sockets, thereby reducing the occurrence of mismatched connections. BRIEF DESCRIPTION OF THE DRAWINGS
[0035] Figure 1 It is a schematic diagram of the structure of the connection between the converter and the sensor in the embodiment of the present application;
[0036] Figure 2 It is a plan view schematic diagram for showing the front and back sides of a power strip according to an embodiment of the present application;
[0037] Figure 3 It is a schematic diagram of the circuit connection inside the power strip of the embodiment of the present application.
[0038] Explanation of the reference numerals: 1. converter; 11. first signal line; 111. signal line S1+; 112. signal line S1-; G. first shielding line; 12. first excitation line; 121. excitation line E1+; 122. excitation line E1-; 2. sensor; 21. second signal line; 211. signal line S2+; 212. signal line S2-; G1. second shielding line; G2. third shielding line; G0. fourth shielding line; 22. second excitation line; 221. excitation line E2+; 222. excitation line E2-; 23. groove; 3. socket board; 31. first socket; 311. first excitation socket area; 312. first signal socket area; 32. second socket; 321. second excitation socket area; 322. second signal socket area. DETAILED DESCRIPTION
[0039] The following is combined with Figure 1-3 This application is described in further detail.
[0040] The wiring structure of an electromagnetic flowmeter disclosed in the embodiment of the present application is as follows: Figure 1 A wiring structure of an electromagnetic flowmeter includes a converter 1 and a sensor 2. A groove 23 is provided on the housing of the sensor 2, and a plug board 3 is fixed in the groove 23 by screws. The groove 23 is provided to facilitate the installation and fixation of the plug board 3, and also facilitate the sealing of the plug board 3 at the groove 23; in addition, the plug board 3 is connected to the housing of the sensor 2 by screws, so that the plug board 3 can be grounded through the sensor 2, reducing the setting of the grounding cable in the plug board 3.
[0041] Reference Figure 1 , a plurality of first excitation wires 12 and a plurality of first signal wires 11 extend out of the converter 1, a plurality of second excitation wires 22 and a plurality of second signal wires 21 extend out of the sensor 2, and when the electromagnetic flowmeter is used, the sensor 2 and the converter 1 are placed separately, and the sensor 2 and the converter 1 are connected and operated through corresponding connections of the plurality of first excitation wires 12 and the plurality of second excitation wires 22, and corresponding connections of the plurality of first signal wires 11 and the plurality of second signal wires 21.
[0042] Reference Figure 1 and Figure 2, the plug board 3 is provided with a plurality of first jacks 31 and a plurality of second jacks 32, and the plurality of first jacks 31 are divided into a first excitation jack area 311 and a first signal jack area 312, and the plurality of second jacks 32 are divided into a second excitation jack area 321 and a second signal jack area 322; wherein the first excitation jack area 311 and the second excitation jack area 321 are provided correspondingly, and the first signal jack area 312 and the second signal jack area 322 are provided correspondingly. The first excitation jack area 311 is used for plugging in a plurality of first excitation wires 12, the second excitation jack area 321 is used for plugging in a plurality of second excitation wires 22, the first signal jack area 312 is used for plugging in a plurality of first signal wires 11, and the second signal jack area 322 is used for plugging in a plurality of second signal wires 21, thereby realizing the rapid docking and connection of a plurality of connecting wires between the sensor 2 and the converter 1 through the plug board 3.
[0043] Reference Figure 1 and Figure 2 Specifically, the multiple first excitation wires 12 include excitation wire E1+121 and excitation wire E1-122, and the multiple second excitation wires 22 include excitation wire E2+221 and excitation wire E2-222. The excitation wire E1+121+ and the excitation wire E1-122+ are respectively plugged into a first socket 31 of the first excitation socket area 311, and the excitation wire E2+221 and the excitation wire E2-222 are respectively plugged into a second socket 32 of the second excitation socket area 321, so that the excitation wire E1+121+ and the excitation wire E2+221 are coupled through the socket board 3, and the excitation wire E1-122+ and the excitation wire E2-222 are coupled through the socket board 3.
[0044] Reference Figure 1 The plurality of first signal wires 11 include a first shielding wire G and two two-core signal wires, and the two two-core signal wires are specifically a signal wire S1+111 and a signal wire S1-112. The first shielding wire G is specifically wrapped around the signal wire S1+111 and the signal wire S1-112, and one end of the first shielding wire G is connected to the sensor 2, and the other end is plugged into a first jack 31. By setting the first shielding wire G, interference shielding of the signal wire S1+111 and the signal wire S1-112 is achieved, thereby improving the signal transmission strength.
[0045] Reference Figure 1 and Figure 2The multiple second signal wires 21 include two single-core signal wires and three shielded wires. The two single-core signal wires are specifically signal wire S2+211 and signal wire S2-212. The three shielded wires are specifically second shielded wire G1, third shielded wire G2 and fourth shielded wire G0. The signal wire S1+111 and signal wire S1-112 at the converter 1 are respectively plugged into the two first sockets 31 of the first signal socket area 312, and the signal wire S2+211 and signal wire S2-212 at the sensor 2 are respectively plugged into the two second sockets 32 of the second signal socket area 322, thereby realizing the coupling of the signal wire S1+111 and the signal wire S2+211, and the coupling of the signal wire S1-112 and the signal wire S2-212 through the socket board 3.
[0046] Reference Figure 2 and Figure 3 The second shielding wire G1 is wrapped around the signal wire S2+211, and one end of the second shielding wire G1 is connected to the sensor 2, and the other end is plugged into a first socket 31; the third shielding wire G2 is wrapped around the signal wire S2-212, and one end of the third shielding wire G2 is connected to the sensor 2, and the other end is plugged into a first socket 31; by respectively plugging one end of the second shielding wire G1 and the third shielding wire G2 into the two second sockets 32 of the second signal socket area 322, the connection with the second shielding wire G1, the third shielding wire G2 and the first shielding wire G is achieved.
[0047] Reference Figure 1 and Figure 3 , one end of the fourth shielding wire G0 is plugged into a first jack 31, and the plug board 3 is connected to the housing of the sensor 2 by screws, so as to realize the connection between one end of the fourth shielding wire G0 and the housing of the sensor 2, and then realize the grounding of one end of the fourth shielding wire G0, and the other end of the fourth shielding wire G0 is simultaneously connected with the second shielding wire G1 and the third shielding wire G2. At the same time, the first shielding wire G is connected with the second shielding wire G1 and the third shielding wire G2 through the plug board 3, so that the grounding and interference shielding of the signal wire in the entire electromagnetic flowmeter are realized by setting the fourth shielding wire G0.
[0048] Reference Figure 1 and Figure 2 The first excitation line 12 and the first signal line 11 are connected to the first socket 31 by cold pressing terminals or are directly pressed into the first socket 31, and the second excitation line 22 and the second signal line 21 are connected to the second socket 32 by cold pressing terminals or are directly pressed into the second socket 32, thereby improving the speed and convenience of installing the signal line and the excitation line on the socket board 3, and making production and manufacturing more convenient.
[0049] The implementation principle of the wiring structure of an electromagnetic flowmeter in the embodiment of the present application is as follows: by setting a plug board 3 on the sensor 2, a plurality of first excitation wires 12 and a plurality of first signal wires 11 are respectively plugged into a plurality of first jacks 31 on the plug board 3, and a plurality of second excitation wires 22 and a plurality of second signal wires 21 are respectively plugged into a plurality of second jacks 32 on the plug board 3, thereby realizing a quick connection between the sensor 2 and the converter 1. The first jack 31 is divided into a first excitation jack area 311 and a first signal jack area 312, and the second jack 32 is divided into a second excitation jack area 321 and a second signal jack area 322, so that the first excitation wire 12, the second excitation wire 22, the first signal wire 11 and the second signal wire 21 can be more quickly plugged into the corresponding first jack 31 and the second jack 32, thereby realizing the connection between the sensor 2 and the converter 1.
[0050] At the same time, the present application extends the shielding wires separately and plugs them into the first jack 31 and the second jack 32 respectively, which can reduce the difficulty of production and improve the production quality.
[0051] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. A wiring structure of an electromagnetic flowmeter, characterized in that: include: A converter (1) comprising a plurality of extended first excitation wires (12) and a plurality of first signal wires (11); A sensor (2) comprising a plurality of extended second excitation wires (22) and a plurality of second signal wires (21); The plug board (3) is fixed to the housing of the sensor (2), and comprises a plurality of first plug holes (31) and a plurality of second plug holes (32), wherein the plurality of first plug holes (31) are used for plugging in a plurality of first excitation wires (12) and a plurality of first signal wires (11), and the plurality of second plug holes (32) are used for plugging in a plurality of second excitation wires (22) and a plurality of second signal wires (21).
2. The wiring structure of an electromagnetic flowmeter according to claim 1, characterized in that: The plurality of first signal lines (11) include two two-core signal lines, and the plurality of second signal lines (21) include two single-core signal lines. The two two-core signal lines are respectively plugged into a first jack (31), and the two single-core signal lines are respectively plugged into a second jack (32). The two two-core signal lines and the two single-core signal lines are coupled one-to-one via a socket board (3).
3. The wiring structure of an electromagnetic flowmeter according to claim 2, characterized in that: The plurality of first signal wires (11) further include a first shielding wire (G), the plurality of second signal wires (21) further include a second shielding wire (G1), a third shielding wire (G2) and a fourth shielding wire (G0), the first shielding wire (G) being correspondingly plugged into a first jack (31), the second shielding wire (G1), the third shielding wire (G2) and the fourth shielding wire (G0) being correspondingly plugged into a second jack (32), respectively, and the first shielding wire (G) being simultaneously coupled with the second shielding wire (G1), the third shielding wire (G2) and the fourth shielding wire (G0) through a plugboard (3).
4. The wiring structure of an electromagnetic flowmeter according to claim 3, characterized in that: The two two-core signal lines include a signal line S1+ (111) and a signal line S1- (112), and the two single-core signal lines include a signal line S2+ (211) and a signal line S2- (212); The signal line S1+ (111) and the signal line S2+ (211) are coupled via the plug board (3), and the signal line S1- (112) and the signal line S2- (212) are coupled via the plug board (3).
5. The wiring structure of an electromagnetic flowmeter according to claim 4, characterized in that: The first shielding wire (G) is simultaneously sheathed outside the signal wire S1+ (111) and the signal wire S1- (112), the second shielding wire (G1) is sheathed outside the signal wire S2+ (211), and the third shielding wire (G2) is sheathed outside the signal wire S2- (212).
6. The wiring structure of an electromagnetic flowmeter according to claim 3, characterized in that: One end of the fourth shielding wire (G0) is connected to the housing of the sensor (2), and the other end is simultaneously connected to the second shielding wire (G1) and the third shielding wire (G2).
7. The wiring structure of an electromagnetic flowmeter according to claim 6, characterized in that: A groove (23) is provided on the outer shell of the sensor (2), the plug board (3) is fixed in the groove (23), and the plug board (3) is grounded through the outer shell of the sensor (2).
8. The wiring structure of an electromagnetic flowmeter according to claim 2, characterized in that: The number of the first excitation wires (12) and the number of the second excitation wires (22) are the same, and a plurality of the first excitation wires (12) and a plurality of the second excitation wires (22) are coupled in a one-to-one correspondence via a plug board (3).
9. The wiring structure of an electromagnetic flowmeter according to claim 8, characterized in that: The plurality of first jacks (31) are divided into a first excitation jack area (311) and a first signal jack area (312); the plurality of second jacks (32) are divided into a second excitation jack area (321) and a second signal jack area (322); The first excitation socket area (311) and the second excitation socket area (321) are arranged opposite to each other, and the first signal socket area (312) and the second signal socket area (322) are arranged opposite to each other.
10. The wiring structure of an electromagnetic flowmeter according to claim 8, characterized in that: The first excitation wire (12) and the first signal wire (11) are inserted into the first jack (31) by means of a cold pressing terminal or directly pressed into the first jack (31), and the second excitation wire (22) and the second signal wire (21) are inserted into the second jack (32) by means of a cold pressing terminal or directly pressed into the second jack (32).