HPLC three-phase dual-mode communication device

Abstract

The utility model discloses an HPLC (High Performance Liquid Chromatography) three-phase dual-mode communication device, which comprises a shell and a plugging mechanism, a central control mainboard is arranged on the lower side wall of the machine shell; the plugging mechanism comprises butt joint slots, outer side grooves, butt joint heads, avoiding grooves, plastic heads, triangular top connection blocks and top connection grooves, the outer side grooves are uniformly formed in the rear side of the right side face of the machine shell, the butt joint slots are formed in the left side walls of the two outer side grooves respectively, the top connection grooves are formed in the front side walls and the rear side walls of the two butt joint slots respectively, and the butt joint heads are arranged in the avoiding grooves. A butt joint is inserted into the butt joint insertion groove in the rear side, receding grooves are formed in the front side face and the rear side face of the butt joint correspondingly, plastic heads are fixedly connected to the left side walls of the two receding grooves correspondingly, and triangular jacking blocks are fixedly connected to the middles of the opposite outer side faces of the two plastic heads correspondingly; according to the HPLC three-phase dual-mode communication device, the connection stability of the plug is relatively high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric power communication, specifically is a kind of HPLC three-phase dual-mode communication device. BACKGROUND

[0002] HPLC three-phase dual-mode communication device is a kind of combination power line carrier (HPLC) and wireless communication (HRF), realizes double channel independent transceiver, effectively solves the "island" problem of single-phase communication, ensures full-area coverage no blind area;

[0003] In the prior art: the patent with authorized publication number CN202320962654.7 discloses a kind of HPLC three-phase dual-mode communication device, including shell and three-phase dual-mode module installed in the shell inside, the shell is rectangular structure, the shell front upper portion is equipped with connecting groove, the connecting groove is rectangular recess, for being clamped with the clamping slot of three-phase electric meter;The shell front lower portion is equipped with the clamping portion that extends forward and protrudes;The three-phase dual-mode module includes isolation filter module, measurement module, carrier dual-mode modulation module, main control module and drive module, the isolation filter module is electrically connected with the measurement module, the measurement module is electrically connected with the carrier dual-mode modulation module, the carrier dual-mode modulation module is electrically connected with the main control module, the main control module and the drive module are electrically connected;

[0004] The above communication device has some problems in actual use, for example, the socket groove is too shallow, and the stability of the external plug connected with the socket groove is problematic, therefore, we propose a kind of HPLC three-phase dual-mode communication device. Utility model content

[0005] The technical problem to be solved by the utility model is to overcome the defects of the prior art, and provide a kind of HPLC three-phase dual-mode communication device, and the stability of plug connection is strong, which can effectively solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of HPLC three-phase dual-mode communication device, including casing and plug-pull mechanism;

[0007] The lower side wall of the casing is provided with a central control mainboard.

[0008] Plug-in mechanism: it includes docking slot, outside groove, docking head, avoidance slot, plastic head, triangular top block and top slot, the outside groove is evenly arranged on the right side of the back of the shell, the left side wall of the two outside grooves is respectively provided with a docking slot, the front side wall and the back side wall of the two docking slots are respectively provided with a top slot, the inside of the docking slot on the back side is inserted with a docking head, the front side and the back side of the docking head are respectively provided with an avoidance slot, the left side wall of the two avoidance slots is respectively fixedly connected with a plastic head, the middle part of the two plastic heads away from each other is respectively fixedly connected with a triangular top block, the two triangular top blocks are respectively connected with the inside of the top slot corresponding to the longitudinal position, and the plug connection stability is high.

[0009] Further, the plug-in mechanism further comprises a pin slot, the pin slot is evenly arranged on the left side of the docking head, the right side of the docking head is provided with a wire, the input end of the twelve pin slots is electrically connected with the left end output end of the wire, and the right end input end of the wire is electrically connected with an external monitoring device, so as to realize the function of externally connecting the external measuring ammeter.

[0010] Further, the upper surface of the central control mainboard is provided with a control power supply, the input end of the control power supply is electrically connected with an external power supply device, and the control power supply provides electricity for the operation of the device.

[0011] Further, the upper surface of the central control mainboard is provided with a main control module, the input end of the main control module is electrically connected with the output end of the control power supply, and the main control module controls the normal operation of each module.

[0012] Further, the upper surface of the central control mainboard is provided with a carrier wave double-mode modulation module, the input end of the carrier wave double-mode modulation module is electrically connected with the output end of the main control module, the upper surface of the shell is provided with indicator lights which are symmetrical on the left and right sides, the input ends of the two indicator lights are respectively electrically connected with the output ends of the carrier wave double-mode modulation module, and the carrier wave double-mode modulation module realizes the function of real-time analysis of current signals.

[0013] Further, the upper surface of the central control mainboard is provided with a metering module, the upper surface of the central control mainboard is provided with an isolation filter module, the right side of the central control mainboard is provided with a strong electric connection pin array, the right side of the central control mainboard is provided with a weak electric connection pin array, the output ends of the strong electric connection pin array and the weak electric connection pin array are respectively electrically connected with the measurement input end of the isolation filter module, the output end of the isolation filter module is electrically connected with the input end of the metering module, the output end of the metering module is electrically connected with the input end of the carrier wave double-mode modulation module, the power input end of the isolation filter module is electrically connected with the output end of the main control module, and the isolation filter module realizes the function of filtering electric signals.

[0014] Further, the upper surface of the central control mainboard is provided with a wireless communication module, the input end of the wireless communication module is electrically connected with the output end of the control power supply, the wireless communication module is bidirectionally electrically connected with the main control module, and the wireless communication module realizes the function of wireless regulation and control of the device by the external equipment.

[0015] Compared with the prior art, the HPLC three-phase dual-mode communication device has the following advantages:

[0016] The three-phase dual-mode communication device adopts the front and rear bidirectional clamping structure for the wiring port, so that the adapter can be tightly engaged with the docking slot. When the adapter needs to be taken out, only the plastic head needs to be manually pressed to make it retract into the avoidance groove, and the triangular top block exits the top slot, so that the adapter can be smoothly pulled out. The plug connection stability is strong. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic diagram of the utility model;

[0018] Figure 2 is a structural schematic diagram of the utility model shell internal structure;

[0019] Figure 3 is a structural schematic diagram of the utility model plug-in mechanism;

[0020] Figure 4 is a structural schematic diagram of the utility model A place amplification structure.

[0021] In the figure: 1 shell, 2 plug-in mechanism, 21 docking slot, 22 outer groove, 23 adapter, 24 avoidance groove, 25 plastic head, 26 triangular top block, 27 top slot, 28 pin slot, 3 indicator light, 4 central control mainboard, 5 strong electric connection pin array, 6 weak electric connection pin array, 7 wiring, 8 carrier wave dual-mode modulation module, 9 main control module, 10 control power supply, 11 wireless communication module, 12 metering module, 13 isolation filter module. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-4 The embodiment provides a technical scheme: an HPLC three-phase dual-mode communication device, comprising a shell 1 and a plug-in mechanism 2.

[0024] The lower side wall of the casing 1 is provided with a central control mainboard 4, the rear side of the upper surface of the central control mainboard 4 is provided with a control power supply 10, the input end of the control power supply 10 is electrically connected with an external power supply device, the middle part of the upper surface of the central control mainboard 4 is provided with a main control module 9, the input end of the main control module 9 is electrically connected with the output end of the control power supply 10, the left front side of the upper surface of the central control mainboard 4 is provided with a carrier dual-mode modulation module 8, the input end of the carrier dual-mode modulation module 8 is electrically connected with the output end of the main control module 9, the carrier dual-mode modulation module 8 supports a communication rate of 1200bps, 2400bps, 4800bps and 9600bps, the rear side of the upper surface of the casing 1 is symmetrically provided with indicator lights 3, the input ends of the two indicator lights 3 are respectively electrically connected with the output ends of the carrier dual-mode modulation module 8, the specific data of the electric meter is returned to the carrier dual-mode modulation module 8 for signal demodulation, and the information is sent to the main control module 9 for storage, meanwhile, the wireless communication module 11 can send signals according to the regulation and control of the external wireless transceiver, the electric meter data stored in the main control module 9 can be real-timely called, if the wireless communication module 11 calls the data in the central control mainboard 4, the left RXD light flashes, if the main control module 9 stores the electric meter information in real time, the TXD light flashes, the HPLC+HRF double-channel remote reading of the electric meter data is realized, the wireless communication module 11 supports HPLC carrier signals and HRF radio frequency signals, the frequency band range of the HPLC carrier communication is 0.7-12MHz, and the frequency band range of the HRF radio frequency communication is 470MHz-510MHz;

[0025] The plug-pull mechanism 2 comprises a docking slot 21, an outer recess 22, a docking head 23, an avoidance slot 24, a plastic head 25, a triangular top block 26 and a top slot 27. The outer recess 22 is evenly arranged on the right side of the shell 1. The left side wall of the outer recess 22 is provided with the docking slot 21. The front and rear side walls of the docking slot 21 are provided with the top slot 27. The docking head 23 is inserted into the docking slot 21. The front and rear side walls of the docking head 23 are provided with the avoidance slot 24. The left side wall of the avoidance slot 24 is fixedly connected with the plastic head 25. The triangular top block 26 is fixedly connected with the plastic head 25. The triangular top block 26 is connected with the top slot 27. The material of the plastic head 25 is high-density polyethylene. The plug-pull mechanism 2 further comprises a needle slot 28. The needle slot 28 is arranged on the left side of the docking head 23. The right side of the docking head 23 is provided with a wire 7. The input end of the needle slot 28 is electrically connected with the left end of the wire 7. The right end of the wire 7 is electrically connected with an external monitoring device. The needle arrangement of the strong current connection needle array 5 and the weak current connection needle array 6 is different. The strong current connection needle array 5 is arranged in a 2*8 mode. The weak current connection needle array 6 is arranged in a 2*6 mode. The corresponding needle docking slot of the docking head 23 arranged on the front side is arranged in a 2*6 mode. The corresponding needle docking slot of the docking head 23 arranged on the rear side is arranged in a 2*8 mode. The right front side of the upper surface of the central control mainboard 4 is provided with a metering module 12. The right middle side of the upper surface of the central control mainboard 4 is provided with an isolation filtering module 13. The rear side of the right side of the central control mainboard 4 is provided with the strong current connection needle array 5. The middle part of the right side of the central control mainboard 4 is provided with the weak current connection needle array 6. The output end of the strong current connection needle array 5 and the weak current connection needle array 6 is electrically connected with the measurement input end of the isolation filtering module 13. The output end of the isolation filtering module 13 is electrically connected with the input end of the metering module 12. The output end of the metering module 12 is electrically connected with the input end of the carrier wave double-mode modulation module 8. The power input end of the isolation filtering module 13 is electrically connected with the output end of the main control module 9. The left rear side of the upper surface of the central control mainboard 4 is provided with a wireless communication module 11. The input end of the wireless communication module 11 is electrically connected with the output end of the control power supply 10. The wireless communication module 11 is bidirectionally electrically connected with the main control module 9. When the communication device is needed, the docking head 23 is manually taken and inserted into the docking slot 21 arranged on the rear side. At this time, the needle of the strong current connection needle array 5 is inserted into the needle slot 28. It is worth noting that according to the current strength input by the external ammeter, the docking head 23 can be inserted into different docking slots 21. If the current input is strong, the docking head 23 can be inserted into the docking slot 21 arranged on the rear side. If the current input is weak, the docking head 23 can be inserted into the docking slot 21 arranged on the front side. In the process of insertion, the inclined surface of the triangular top block 26 first contacts the slot position of the docking slot 21. Then the top surface of the triangular top block 26 is along the docking slot 21.Further drive two plastic head 25 to avoid the inside of the slot 24, until the triangular top block 26 is moved to the top slot 27, at this time, the plastic head 25 will push the triangular top block 26 into the inside of the top slot 27 due to the effect of spring, complete the clamping, at this time, the right side of the triangular top block 26 is tightly clamped with the right side wall of the top slot 27, at this time, it can be pulled out of the interface slot 21 without external force, if you need to take out the interface head 23, you only need to press the front side of the plastic head 25 with your thumb, and press the back side of the plastic head 25 with your index finger, at this time, the plastic head 25 is pressed into the avoidance slot 24, at this time, the top slot 27 is no longer tightly clamped with the triangular top block 26, at this time, the interface head 23 can be pulled out, when the strong current connection pin array 5 and the weak current connection pin array 6 are connected with the external power equipment, the electric signal of the power equipment will be isolated and filtered by the isolation filter module 13, the useless signal will be filtered out, and the carrier modulation signal will be retained, then the metering module 12 will collect and count the electric quantity, voltage and current signal of the filtered electric signal.

[0026] The working principle of the HPLC three-phase double-mode communication device is as follows: when the communication device needs to be used, the docking head 23 can be manually picked up and inserted into the inside of the docking slot 21 at the rear side; at this time, the needle on the strong current connection pin array 5 is inserted into the needle slot 28; it is worth noting that, according to the input current strength of the external electric meter, the docking head 23 can be inserted into the inside of different docking slots 21; if the current input is strong, the docking head 23 can be inserted into the docking slot 21 at the rear side; if the current input is weak, the docking head 23 can be inserted into the docking slot 21 at the front side; in the process of insertion, the inclined surface of the triangular top abutting block 26 first contacts the slot opening position of the docking slot 21, and then the top surface of the triangular top abutting block 26 is along the docking slot 21, thereby driving the two plastic heads 25 to retract into the inside of the avoidance slot 24, until the triangular top abutting block 26 moves to the top slot 27, at this time, the triangular top abutting block 26 is pushed into the inside of the top slot 27 due to the rebound effect of the plastic head 25, and the clamping is completed; at this time, the right side surface of the triangular top abutting block 26 is tightly abutted and clamped with the right side wall of the top slot 27, and the docking head 23 can be pulled out of the docking slot 21 at this time; if the docking head 23 needs to be taken out, only the thumb needs to press the front side surface of the plastic head 25 at the front side, and the index finger needs to press the rear side surface of the plastic head 25 at the rear side; at this time, the plastic head 25 is pressed into the avoidance slot 24 by artificial, at this time, the top slot 27 is no longer tightly abutted with the triangular top abutting block 26, and the docking head 23 can be pulled out; when the strong current connection pin array 5 and the weak current connection pin array 6 are both connected with the external power equipment, the electric signal of the power equipment is isolated and filtered by the isolation filtering module 13 which is in operation, useless signals are filtered out, and the carrier wave modulation signal is reserved; the filtered electric signal is collected and counted by the metering module 12, and the information is returned to the carrier double-mode modulation module 8 to demodulate the specific data of the electric meter, and the information is sent to the main control module 9 for storage; at the same time, the wireless communication module 11 can send signals according to the regulation of the external wireless transceiver, and the electric meter data stored in the main control module 9 can be real-time retrieved; if the wireless communication module 11 retrieves the data in the central control mainboard 4, the RXD lamp on the left side flashes; if the main control module 9 stores the electric meter information in real time, the TXD lamp flashes, and the HPLC+HRF double-channel remote reading of the electric energy meter data is realized.

[0027] It is worth noting that the master module 9 core chip selected in the above embodiment is CX7527C 20-27W type power supply master chip, and the carrier dual-mode modulation module 8, the control power supply 10, the wireless communication module 11, the metering module 12 and the isolation filter module 13 can be freely configured according to the actual application scene, the carrier dual-mode modulation module 8 is recommended to select the SS2201 type processing chip, the control power supply 10 is recommended to select the AQMH2407ND type double-way direct current motor drive module, the wireless communication module 11 is recommended to select the JZX871 type wireless data transmission module, the metering module 12 is recommended to select the JSY-MK-135A type miniature embedded current metering module, and the isolation filter module 13 is recommended to select the MAX262 type filter module, and the master module 9 controls the carrier dual-mode modulation module 8 and the isolation filter module 13 to work, which all adopt the method commonly used in the prior art.

[0028] The above only describes the embodiments of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation obtained by using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.

Claims

1. An HPLC three-phase dual-mode communication device, characterized in that: Includes housing (1) and plug-in / plug-out mechanism (2); The casing (1) has a central control motherboard (4) on its lower side wall; Insertion and removal mechanism (2): It includes a docking slot (21), an outer groove (22), a connector (23), a clearance groove (24), a plastic head (25), a triangular top contact block (26), and a top contact groove (27). The outer groove (22) is evenly opened on the rear side of the right side of the housing (1). The left side wall of the two outer grooves (22) is provided with docking slots (21). The front and rear side walls of the two docking slots (21) are provided with top contact grooves (27). The connector (23) is inserted into the rear docking slot (21). The front and rear sides of the connector (23) are provided with clearance grooves (24). The left side wall of the two clearance grooves (24) is fixedly connected with plastic heads (25). The middle part of the opposite outer side of the two plastic heads (25) is fixedly connected with triangular top contact blocks (26). The two triangular top contact blocks (26) are respectively engaged with the interior of the top contact groove (27) corresponding to the longitudinal position.

2. The HPLC three-phase dual-mode communication device according to claim 1, characterized in that: The plugging and unplugging mechanism (2) also includes pin slots (28), which are evenly arranged on the left side of the connector (23). The connector (23) has wiring (7) on the right side. The input ends of the twelve pin slots (28) are electrically connected to the left output end of the wiring (7), and the right input end of the wiring (7) is electrically connected to an external monitoring device.

3. The HPLC three-phase dual-mode communication device according to claim 2, characterized in that: The upper surface of the central control motherboard (4) is provided with a control power supply (10), and the input end of the control power supply (10) is electrically connected to an external power supply device.

4. The HPLC three-phase dual-mode communication device according to claim 3, characterized in that: The main control module (9) is located in the middle of the upper surface of the central control motherboard (4). The input end of the main control module (9) is electrically connected to the output end of the control power supply (10).

5. The HPLC three-phase dual-mode communication device according to claim 4, characterized in that: The upper surface of the central control motherboard (4) is provided with a carrier dual-mode modulation module (8) on the left front side. The input end of the carrier dual-mode modulation module (8) is electrically connected to the output end of the main control module (9). The upper surface of the housing (1) is provided with indicator lights (3) symmetrically on the left and right rear side. The input ends of the two indicator lights (3) are electrically connected to the output ends of the carrier dual-mode modulation module (8) respectively.

6. The HPLC three-phase dual-mode communication device according to claim 5, characterized in that: The upper front right side of the central control motherboard (4) is provided with a metering module (12), the middle right side of the upper surface of the central control motherboard (4) is provided with an isolation filter module (13), the rear right side of the central control motherboard (4) is provided with a high-voltage connection pin array (5), the middle right side of the central control motherboard (4) is provided with a low-voltage connection pin array (6), the output ends of the high-voltage connection pin array (5) and the low-voltage connection pin array (6) are respectively electrically connected to the measurement input end of the isolation filter module (13), the output end of the isolation filter module (13) is electrically connected to the input end of the metering module (12), the output end of the metering module (12) is electrically connected to the input end of the carrier dual-mode modulation module (8), and the power input end of the isolation filter module (13) is electrically connected to the output end of the main control module (9).

7. The HPLC three-phase dual-mode communication device according to claim 4, characterized in that: The upper surface of the central control motherboard (4) is provided with a wireless communication module (11) on the left rear side. The input end of the wireless communication module (11) is electrically connected to the output end of the control power supply (10). The wireless communication module (11) is bidirectionally electrically connected to the main control module (9).

Images