Wireless communication circuit with SIM card

Abstract

The utility model discloses a wireless communication circuit with an SIM card, and the circuit comprises an LCC packaging module, a first antenna interface module, a battery module, a TYPEC interface module, an SIM card reading module, a B2B connection module, a 2.4 G / 5G communication module, a combiner, and a second antenna interface module. The LCC packaging module is respectively connected with the first antenna interface module, the TYPEC interface module, the SIM card reading module and the 2.4 G / 5G communication module, one end of the B2B connection module is connected with the LCC packaging module, the other end of the B2B connection module is connected with the battery module, one end of the combiner is connected with the 2.4 G / 5G communication module, and the other end of the combiner is connected with the second antenna interface module. In the scheme of the utility model, the SIM card reading module and the 2.4 G / 5G communication module are integrated by using the LCC packaging module, so that the technical effect that the volume of the whole wireless communication circuit is reduced and the wireless communication circuit can adapt to equipment with higher volume requirements is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to wireless communication circuit field, especially in wireless communication circuit with SIM card. BACKGROUND

[0002] Wireless communication circuit with SIM card plays an important role in modern communication equipment, and the SIM card stores the international mobile subscriber identity (IMSI) for uniquely identifying users in the network, and the wireless network communication transmission can be realized through the SIM card.

[0003] The current SIM card is used for providing cellular network connection in smart phones and tablet computers, and is used for remote data transmission in smart water meters, smart electricity meters and other equipment. However, the overall volume of the communication module circuit of the current SIM card is too large to adapt to the equipment with high volume requirements, and a new technology is needed to solve the current problem. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a wireless communication circuit with SIM card, which aims to solve the technical problem that the overall volume of the communication module circuit of the SIM card is too large to adapt to the equipment with high volume requirements.

[0005] To achieve the above purpose, the wireless communication circuit with SIM card provided by the utility model comprises:

[0006] LCC packaging module, first antenna interface module, battery module, TYPEC interface module, SIM card reading module, B2B connection module, 2.4G / 5G communication module, combiner, second antenna interface module;

[0007] The LCC packaging module is connected with the first antenna interface module, the TYPEC interface module, the SIM card reading module and the 2.4G / 5G communication module respectively, one end of the B2B connection module is connected with the LCC packaging module, the other end of the B2B connection module is connected with the battery module, one end of the combiner is connected with the 2.4G / 5G communication module, and the other end of the combiner is connected with the second antenna interface module.

[0008] Optionally, in the first implementation manner, the 2.4G / 5G communication module comprises an AIC8800D80P model chip.

[0009] Optionally, in the second implementation, the LCC packaging module comprises a DCDC conversion unit and a data transmission unit, the DCDC conversion unit is connected to the B2B connection module, one end of the data transmission unit is connected to the TYPEC interface module, and the other end of the data transmission unit is connected to the 2.4G / 5G communication module.

[0010] Optionally, in the third implementation, the data transmission unit is connected to VBT pins and VIO pins of an AIC8800D80P chip.

[0011] Optionally, in the fourth implementation, the DCDC conversion unit comprises an SGM61030AXTEP7G / TR chip.

[0012] Optionally, in the fifth implementation, the data transmission unit comprises an MT5710C chip.

[0013] Optionally, in the sixth implementation, the SIM card reading module comprises a SIM switching unit, a USIM reading unit and an ESIM reading unit, one end of the SIM switching unit is connected to the USIM reading unit and the ESIM reading unit respectively, and the other end of the SIM switching unit is connected to the LCC packaging module.

[0014] Optionally, in the seventh implementation, the antenna interface module comprises a main diversity antenna unit and a diversity antenna unit, the SIM switching unit comprises a BCT4567EGE-TR chip, and the ESIM reading unit comprises an eSIM-0202 chip.

[0015] Optionally, in the eighth implementation, the first antenna interface module comprises a main diversity antenna unit and a diversity antenna unit, and the main diversity antenna unit and the diversity antenna unit are connected to the LCC packaging module.

[0016] Optionally, in the ninth implementation, the main diversity antenna unit comprises an RFLPF1005040E1T filter.

[0017] In the embodiment of the utility model, through the utilization of LLC packaging module connection external first antenna interface module, SIM card reading module, TYPEC interface module, 2.4G / 5G communication module, and the utilization of B2B connection module both ends connection LLC packaging module and battery module make the circuit volume drop, realized the whole wireless communication circuit volume drop can adapt to the technical effect of the equipment of higher volume requirement. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, and obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to the structures shown in these drawings without creative labor.

[0019] Figure 1 It is a structural schematic diagram of the wireless communication circuit with the SIM card of the present application;

[0020] Figure 2 It is a specific implementation schematic diagram of the wireless communication circuit with the SIM card of the present application;

[0021] Figure 3 It is another structural schematic diagram of the wireless communication circuit with the SIM card of the present application;

[0022] Figure 4 It is a schematic diagram of the AIC8800D80P model chip of the present application;

[0023] Figure 5 It is a schematic diagram of the SGM61030AXTEP7G / TR model chip of the present application;

[0024] Figure 6 It is a schematic diagram of the MT5710C model chip of the present application;

[0025] Figure 7 It is a schematic diagram of the BCT4567EGE-TR model chip of the present application;

[0026] Figure 8 It is a schematic diagram of the eSIM-0202 model chip of the present application;

[0027] Figure 9 It is a specific embodiment schematic diagram of the main diversity antenna unit and the diversity antenna unit of the present application.

[0028] Explanation of reference numerals:

[0029] 10-LCC packaging module, 20-first antenna interface module, 30-battery module, 40-TYPEC interface module, 50-SIM card reading module, 60-B2B connection module, 70-2.4G / 5G communication module, 80-combiner, 90-second antenna interface module, 101-DCDC conversion unit, 102-data transmission unit, 501-SIM switching unit, 503-USIM reading unit, 502-ESIM reading unit, 201-main diversity antenna unit, 202-diversity antenna unit.

[0030] The purposes, functional features and advantages of the utility model will be further explained in combination with embodiments and with reference to the drawings. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than 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 protection scope of the utility model.

[0032] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications also change accordingly.

[0033] In addition, if the embodiments of the utility model involve descriptions such as "first", "second", etc., the descriptions of "first", "second", etc. are only for description purposes, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one feature. In addition, the meaning of "and / or" appearing throughout the text is that it includes three parallel schemes, taking "A and / or B" as an example, including A scheme, or B scheme, or A and B schemes. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that a person skilled in the art can realize it, and when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is also not within the protection scope required by the utility model.

[0034] The utility model provides a wireless communication circuit with SIM card.

[0035] In the embodiments of the utility model, as shown in the drawings, Figure 1 Figure 1 It is a structural schematic drawing of the wireless communication circuit with SIM card of the utility model, the wireless communication circuit with SIM card includes:

[0036] LCC package module 10, first antenna interface module 20, battery module 30, TYPEC interface module 40, SIM card reading module 50, B2B connection module 60, 2.4G / 5G communication module 70, combiner 80, second antenna interface module 90;

[0037] ​The LCC packaging module 10 is connected with the TYPEC interface module 40, the SIM card reading module 50, the 2.4G / 5G communication module 70 and the first antenna interface module 20 respectively, one end of the B2B connection module 60 is connected with the LCC packaging module 10, the other end of the B2B connection module 60 is connected with the battery module 30, one end of the combiner 80 is connected with the 2.4G / 5G communication module 70, the other end of the combiner 80 is connected with the second antenna interface module 90, and the combiner 80 is used for transmitting signals of the 2.4G / 5G communication module 70 into the second antenna interface module 90, so that electromagnetic waves are excited by the second antenna interface module 90 and transmitted to the outside.

[0038] Specifically, please refer to Figure 2 , Figure 2 It is a specific embodiment schematic diagram of the wireless communication circuit with the SIM card of the utility model, in Figure 2 which, the LCC packaging module is connected with the first antenna interface module through an ANT_MAIN pin and an ANT_DIV pin, the LCC packaging module is connected with a sensor for monitoring the battery state through an ADC pin, the LCC packaging module is connected with the TYPEC interface module through a USB_VBUS pin, the LCC packaging module is connected with the SIM card reading module through a SIM pin and a GPIO interface, the LCC packaging module is connected with both ends of the B2B connection module through a RGMII GPIO interface, a PCM pin and an I2C pin, the LCC packaging module is connected with the 2.4G / 5G communication module through a GPIO interface and a PCIE protocol pin, the 2.4G / 5G communication module is connected with the combiner through a 2.4G_ANT interface and a 5G_ANT interface, and the combiner is externally connected with the second antenna interface module.

[0039] As Figure 3 shown, Figure 3 It is another structural schematic diagram of the wireless communication circuit with the SIM card of the utility model, in the specific embodiment of the utility model, there are multiple specific embodiments.

[0040] The first specific embodiment

[0041] The LCC packaging module 10 comprises a DCDC conversion unit 101 and a data transmission unit 102, the DCDC conversion unit 101 is connected with the B2B connection module 60, one end of the data transmission unit 102 is connected with the TYPEC interface module 40, and the other end of the data transmission unit 102 is connected with the 2.4G / 5G communication module 70.

[0042] Please refer to Figure 4 , Figure 4It is the schematic view of the AIC8800D80P mode chip of the utility model. The data transmission unit is connected with the VIO pin and the VBT pin of the AIC8800D80P mode chip. The AIC8800D80P is a Wi-Fi6 and Bluetooth module produced by AIC, and the AIC8800D80P module supports Wi-Fi 6 and Bluetooth 5.0, and is suitable for various application scenarios, such as intelligent hardware, tablet computers, intelligent household appliances, Internet of Vehicles, robots, virtual reality, network set top boxes and the like.

[0043] Please refer to Figure 5 , Figure 5 It is the schematic view of the SGM61030AXTEP7G / TR mode chip of the utility model. The DCDC conversion unit comprises the SGM61030AXTEP7G / TR mode chip. The SGM61030AXTEP7G / TR is a high-efficiency synchronous step-down converter produced by SGMICRO, and becomes an ideal choice in many modern electronic designs due to its high efficiency, small package and wide input voltage range.

[0044] Please refer to Figure 6 , Figure 6 It is the schematic view of the MT5710C mode chip of the utility model. The data transmission unit comprises the MT5710C mode chip. The MT5710C is a 5G Red Cap module produced by TDTECH, is based on 3GPP Release 17 technology, supports 5G SA networking, is downward compatible with 4G, is used for lightweight data transmission, and adopts high-reliability devices and unique industrial design to adapt to diversified industrial environment requirements.

[0045] Second embodiment

[0046] The SIM card reading module 50 comprises a SIM switching unit 501, a USIM reading unit 503 and an ESIM reading unit 502, one end of the SIM switching unit 50 is connected with the USIM reading unit 503 and the ESIM reading unit 502 respectively, and the other end of the SIM switching unit 50 is connected with the LCC packaging module 10.

[0047] Please refer to Figure 7 , Figure 7 It is the schematic view of the BCT4567EGE-TR mode chip of the utility model. Please refer to Figure 8 , Figure 8The utility model provides an eSIM-0202 mode chip's schematic diagram. The SIM switching unit includes: BCT4567EGE-TR mode chip, BCT4567EGE-TR is a low power consumption, double SIM card analog switch chip that is produced by broadchip.

[0048] The ESIM reading unit includes: eSIM-0202 mode chip, eSIM-0202 is a kind of embedded SIM card (eSIM) chip, mainly for providing the wireless connection function of equipment, and ESIM selection is all 6*5mm.

[0049] Third embodiment

[0050] The first antenna interface module 20 includes: main diversity antenna unit 201, diversity antenna unit 202, the main diversity antenna unit 201 and the diversity antenna unit 202 are connected to the LCC packaging module 10 respectively.

[0051] Please refer to Figure 9 , Figure 9 It is the specific embodiment schematic diagram of the utility model's main diversity antenna unit and diversity antenna unit. The main diversity antenna unit 201 includes: RFLPF1005040E1T mode filter, RFLPF1005040E1T is a low-pass filter, which is produced by WALSIN TECHNOLOGY CORPORATION, and RFLPF1005040E1T is designed to have good filtering performance in a wide frequency range, suitable for the radio frequency signal processing requirements of various electronic devices.

[0052] The utility model has the beneficial effect: the utility model provides a wireless communication circuit with SIM card, by utilizing LLC packaging module connection external first antenna interface module, SIM card reading module, TYPEC interface module, 2.4G / 5G communication module, and utilizing B2B connection module both ends connection LLC packaging module and battery module make that circuit volume drops, realize the whole wireless communication circuit volume drops and adapt to the technical effect of the equipment of higher volume requirement.

[0053] The above-mentioned is only optional embodiment of the utility model, and it is not therefore limited to the patent range of the utility model, and any equivalent structural transformation made by using the utility model specification and attached drawings, or direct / indirect application in other related technical fields under the inventive concept of the utility model is included in the patent protection range of the utility model.

Claims

1. A wireless communication circuit with a SIM card, characterized by, The wireless communication circuit with the SIM card comprises: An LCC packaging module, a first antenna interface module, a battery module, a TYPEC interface module, a SIM card reading module, a B2B connection module, a 2.4G / 5G communication module, a combiner, and a second antenna interface module; The LCC packaging module is connected with the first antenna interface module, the TYPEC interface module, the SIM card reading module, and the 2.4G / 5G communication module respectively, one end of the B2B connection module is connected with the LCC packaging module, the other end of the B2B connection module is connected with the battery module, one end of the combiner is connected with the 2.4G / 5G communication module, and the other end of the combiner is connected with the second antenna interface module.

2. The wireless communication circuit with a SIM card according to claim 1, characterized by, The 2.4G / 5G communication module comprises an AIC8800D80P model chip.

3. The wireless communication circuit with a SIM card according to claim 2, wherein, The LCC packaging module comprises a DCDC conversion unit and a data transmission unit, the DCDC conversion unit is connected with the B2B connection module, one end of the data transmission unit is connected with the TYPEC interface module, and the other end of the data transmission unit is connected with the 2.4G / 5G communication module.

4. The wireless communication circuit with a SIM card according to claim 3, characterized by, The data transmission unit is connected with a VBT pin and a VIO pin of the AIC8800D80P model chip.

5. The wireless communication circuit with a SIM card according to claim 3, wherein, The DCDC conversion unit comprises an SGM61030AXTEP7G / TR model chip.

6. The wireless communication circuit with a SIM card according to claim 3, wherein, The data transmission unit comprises an MT5710C model chip.

7. The wireless communication circuit with a SIM card according to claim 1, wherein, The SIM card reading module comprises a SIM switching unit, a USIM reading unit, and an ESIM reading unit, one end of the SIM switching unit is connected with the USIM reading unit and the ESIM reading unit respectively, and the other end of the SIM switching unit is connected with the LCC packaging module.

8. The wireless communication circuit with a SIM card according to claim 7, characterized by, The SIM switching unit comprises a BCT4567EGE-TR model chip, and the ESIM reading unit comprises an eSIM-0202 model chip.

9. The wireless communication circuit with a SIM card according to claim 1, wherein, The first antenna interface module comprises a main diversity antenna unit and a diversity antenna unit, and the main diversity antenna unit and the diversity antenna unit are connected with the LCC packaging module respectively.

10. The wireless communication circuit with a SIM card according to claim 9, wherein, The main diversity antenna unit comprises an RFLPF1005040E1T model filter.

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