CN221264185U - Data terminal and metering instrument - Google Patents

Abstract

The utility model particularly relates to a data terminal and a metering device, the data terminal comprises a shell, a circuit board assembly and a battery box assembly, the shell comprises an upper shell and a lower shell which are connected, the upper shell is provided with a first accommodating cavity, the lower shell is provided with a second accommodating cavity, a first colloid is filled in the first accommodating cavity, a second colloid is filled in the second accommodating cavity, the circuit board assembly is arranged in the first accommodating cavity and is encapsulated in the first colloid, the battery box assembly is arranged in the second accommodating cavity and is encapsulated in the second colloid, and a battery lead of the battery box assembly sequentially penetrates through the second colloid and the first colloid to be connected with the circuit board assembly. According to the data terminal, the circuit board assembly and the battery box assembly are integrated in the shell, and the joints in the shell are not below the adhesive surface, so that the joints are not in direct contact with the outside, the waterproof performance of the data terminal can be effectively improved, and the risk of water leakage from the joints is reduced.

Description

Data terminal and metering instrument

Technical Field

The utility model relates to the technical field of flow metering, in particular to a data terminal and a metering device.

Background

The data terminal adopts a micro-power consumption design, is provided with a built-in lithium battery for power supply, has an RS-485 interface, can read data information of meters such as a water meter, a flowmeter and a pressure transmitter and remotely transmits data through a GPRS wireless network, can work underwater for a long time, and is widely applied to automatic data acquisition and remote monitoring in industries such as water supply, water supply and drainage, water conservancy and the like.

Currently, the existing data terminal includes a case, and a main board module case and a battery case provided therein. The severe use environment of long-term soaking makes each subassembly in the data terminal all need do the encapsulating and handles, consequently, mainboard die box and battery case all need do the encapsulating and handle, later directly use telephone terminal to connect. The assembly of each component is also protected by a metal shell.

However, the main board die box and the battery box of the data terminal adopt a separate glue filling treatment mode and are connected for the second time through the telephone wiring terminal, so that the main board die box and the battery box still have a large water leakage risk in the use process. Meanwhile, the weight brought by the metal shell also causes the split type data terminal to have a falling risk when in use.

Disclosure of utility model

The utility model aims to at least solve the problem that the existing data terminal has poor safety in a long-term water soaking environment. The aim is achieved by the following technical scheme:

A first aspect of the present utility model proposes a data terminal comprising:

The shell comprises an upper shell and a lower shell which are connected, wherein the upper shell is provided with a first accommodating cavity, the lower shell is provided with a second accommodating cavity, a first colloid is filled in the first accommodating cavity, and a second colloid is filled in the second accommodating cavity;

A circuit board assembly disposed in the first receiving cavity and encapsulated inside the first gel;

The battery box assembly is arranged in the second accommodating cavity and is packaged in the second colloid, and battery leads of the battery box assembly sequentially penetrate through the second colloid and the first colloid and are connected with the circuit board assembly.

The data terminal comprises a shell, a circuit board assembly and a battery box assembly, wherein the circuit board assembly is arranged in a first accommodating cavity of an upper shell and is encapsulated in a first colloid, so that a plurality of connectors for connecting the circuit board assembly with the outside are encapsulated in the first colloid, meanwhile, the battery box assembly is arranged in a second accommodating cavity of a lower shell and is encapsulated in a second colloid, battery leads of the battery box assembly penetrate through the second colloid and the first colloid and are connected with the circuit board assembly, and a plurality of connectors of the data terminal are not arranged below a rubber surface and are not directly contacted with the outside, the waterproof performance of the data terminal is improved, and the risk of water leakage from the connectors is reduced. In addition, the circuit board component and the battery box component are integrally arranged in the shell, so that the cost and the working hours of raw materials can be effectively reduced, and the safety of the battery box is further improved.

In addition, the data terminal according to the utility model can also have the following additional technical features:

In some embodiments of the utility model, the circuit board assembly includes:

The main board is fixed on the bottom surface of the first accommodating cavity through a first connecting piece, and a first filling pad is arranged between the main board and the bottom surface;

The power panel is arranged on the main board through the second connecting piece, and the power panel is electrically connected with the main board.

In some embodiments of the present utility model, the power board is disposed at a distance from the motherboard, and the power board is located at a side of the motherboard facing away from the bottom surface.

In some embodiments of the utility model, further comprising:

the circuit component is arranged on the upper shell in a penetrating way and is connected with the circuit board component.

In some embodiments of the utility model, the wiring assembly includes an output socket and at least one output line, the at least one output line being electrically connected to the power strip, the output socket being electrically connected to the motherboard.

In some embodiments of the present utility model, a second filling pad is further disposed in the second accommodating cavity, the second filling pad is disposed at one side of the battery case assembly, and the second filling pad is encapsulated in the second gel.

In some embodiments of the utility model, the housing is a plastic piece and the second receiving cavity is configured with a stiffener on a side wall thereof.

In some embodiments of the present utility model, the data terminal further includes:

The baffle is inserted in the second accommodating cavity, and the opposite sides of the baffle are respectively provided with mounting grooves suitable for inserting the reinforcing ribs.

In some embodiments of the present utility model, a protection cavity is disposed on the lower housing, an overflow groove communicated with the second accommodating cavity is disposed at the top of the protection cavity, and a through hole communicated with the second accommodating cavity is disposed at the bottom of the protection cavity.

Another aspect of the utility model proposes a metering device comprising a data terminal according to the utility model.

Compared with the prior art, the metering device and the data terminal have the same beneficial effects and are not repeated here.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

fig. 1 is a schematic structural diagram of a data terminal according to an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of a data terminal according to an embodiment of the present utility model;

FIG. 3 is a schematic view of the structure of the lower housing according to the embodiment of the present utility model;

FIG. 4 is a schematic cross-sectional view of a lower housing according to an embodiment of the present utility model;

FIG. 5 is a schematic view showing another structure of the lower case according to the embodiment of the present utility model;

FIG. 6 is a schematic view of a partial assembly of another lower housing shown in an embodiment of the present utility model;

FIG. 7 is a schematic view of the upper housing at a certain viewing angle according to an embodiment of the present utility model;

FIG. 8 is a schematic view of a partial explosion of an upper housing according to an embodiment of the present utility model;

Fig. 9 is a schematic cross-sectional view taken along the direction A-A in fig. 7.

The various references in the drawings are as follows:

1. An upper housing; 11. a first accommodation chamber; 12. a first connection hole; 13. a mounting column;

2. a lower housing; 21. a second accommodation chamber; 22. a second connection hole; 23. reinforcing ribs; 24. a protection cavity; 25. an overflow trough;

3. A battery case assembly; 31. a battery lead;

41. A first colloid; 42. a second colloid;

51. A main board; 52. a power panel;

61. A first filling pad; 62. a second filling pad;

71. A first connector; 72. a second connector; 721. double-pass hexagonal studs; 722. a first screw; 723. a second screw; 73. a third connecting member;

8. A partition plate; 81. a mounting groove;

91. A first output line; 92. a second output line; 93. a third output line; 94. and outputting the socket.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless an order of performance is explicitly stated. It should also be appreciated that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

For ease of description, spatially relative terms, such as "inner," "outer," "lower," "below," "upper," "above," and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Accordingly, the example term "below … …" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative relationship descriptors used herein interpreted accordingly.

As shown in fig. 1 to 9, according to an embodiment of the present utility model, a data terminal is provided, which is used for solving the problem that the existing data terminal cannot maintain a good isolation effect in a long-term water-soaking environment.

In the whole design, this data terminal includes casing, circuit board subassembly and battery case subassembly 3, wherein, the casing is including connecting the last casing 1 and the lower casing 2 that set up, go up casing 1 and have first accommodation chamber 11, lower casing 2 has the second and hold chamber 21, first colloid 41 of filling in the first accommodation chamber 11, second colloid 42 of filling in the second accommodation chamber 21, the circuit board subassembly sets up in first accommodation chamber 11 and is packaged in the inside of first colloid 41, battery case subassembly 3 sets up in second accommodation chamber 21 and is packaged in the inside of second colloid 42, battery lead 31 of battery case subassembly 3 wears to pass through second colloid 42 and first colloid 41 in proper order and is connected with the circuit board subassembly.

According to the data terminal provided by the utility model, the circuit board assembly is arranged in the first accommodating cavity 11 of the upper shell 1 and is encapsulated in the first colloid 41, so that a plurality of connectors for connecting the circuit board assembly with the outside are encapsulated in the first colloid 41, meanwhile, the battery box assembly 3 is arranged in the second accommodating cavity 21 of the lower shell 2 and is encapsulated in the second colloid 42, and the battery lead 31 of the battery box assembly 3 passes through the second colloid 42 and the first colloid 41 and is connected with the circuit board assembly, so that a plurality of connectors of the data terminal are not under the glue surface and are not directly contacted with the outside, the waterproof performance of the data terminal is improved, and the risk of water leakage from the connectors is reduced. In addition, the circuit board component and the battery box component 3 are integrally arranged in the shell, so that the cost and the working hours of raw materials can be effectively reduced, and the safety of the battery box can be further improved.

Specifically, the above-mentioned casing includes upper casing 1 and lower casing 2, simultaneously, has seted up first connecting hole 12 on upper casing 1, has seted up second connecting hole 22 on lower casing 2, and first connecting hole 12 and second connecting hole 22 link together through third connecting piece 73, and then realize the assembly connection of upper casing 1 and lower casing 2. In this embodiment, the third connecting piece 73 is a cross-shaped pan head screw, and the third connecting piece 73 is screwed on the first connecting hole 12 through the second connecting hole 22, which is helpful for reducing the assembly difficulty of the upper housing 1 and the lower housing 2, and effectively guaranteeing the assembly effect of the housing. As a preferred embodiment, the upper housing 1 and the lower housing 2 are in a sealed connection. It should be understood that in the present embodiment, the upper case 1 and the lower case 2 are both made of plastic, which helps to reduce the cost of raw materials and man-hours.

As shown in fig. 1 and 2, the upper case 1 has a first receiving chamber 11, and the lower case 2 has a second receiving chamber 21, and when the upper case 1 and the lower case 2 are coupled together, the first receiving chamber 11 and the second receiving chamber 21 cooperate to form a closed space. The circuit board assembly and the battery case assembly 3 are both disposed in the closed space. Specifically, the circuit board assembly is disposed in the first accommodation chamber 11, and the battery pack assembly 3 is disposed in the second accommodation chamber 21. In this embodiment, the second housing cavity 21 is filled with the second glue 42, the battery case assembly 3 is encapsulated in the second glue 42, and at this time, the battery lead 31 of the battery case assembly 3 is partially encapsulated in the second glue 42, another part of the battery lead 31 is connected to a circuit board assembly described below, and the connection part is encapsulated in the first glue 41, so that the waterproof performance of the data terminal is guaranteed.

At this time, the lower housing 2 is further provided with a protection cavity 24, and as shown in fig. 3 to 6, the lower housing 2 has a rectangular parallelepiped structure as a whole, and the middle part of the lower housing 2 is provided with a second accommodation cavity 21. The protection cavities 24 are formed on two opposite sides of the second accommodating cavity 21, the number of the protection cavities 24 on each side is two, the two protection cavities 24 are arranged side by side, and the second connecting hole 22 is formed in the middle. In the present embodiment, an overflow groove 25 communicating with the second accommodation chamber 21 is provided at the top of the protection chamber 24. In the present embodiment, the overflow groove 25 is opened at a position higher than the height of the battery case assembly 3 and lower than the height of the second connection hole 22. The provision of the overflow channel 25 prevents the second glue 42 from being filled too much, which would affect the use of the second connecting hole 22 and the assembly between the upper housing 1 and the lower housing 2. Since the second gel 42 is filled into the second accommodating chamber 21, the battery case assembly 3 needs to be soaked inside the second gel 42, so that a liquid level line needs to be set for filling the second gel 42 to ensure that the second gel 42 flows through the battery case assembly 3 and does not overflow the lower housing 2. Preferably, the level line is flush with the open position of the overflow launder 25.

It will be further appreciated that a through hole, not shown in the figures, is provided in the bottom of the protection cavity 24 in communication with the second containing cavity 21. Through the bottom of the protection cavity 24 is provided with the through hole, accumulated water in the second accommodating cavity 21 can be guided after the data terminal is filled with water, so that the accumulated water enters the protection cavity 24, the battery is prevented from being in a long-term water soaking environment, and the service life of the data terminal is prolonged.

As shown in fig. 3-6, the side wall of the second accommodating cavity 21 is provided with a reinforcing rib 23, and the reinforcing rib 23 is integrally formed on the lower housing 2 in a square structure. Preferably, the number of the reinforcing ribs 23 is three, and the reinforcing ribs 23 are respectively arranged on two opposite side walls of the second accommodating cavity 21, so that the arrangement of the reinforcing ribs 23 helps to improve the structural strength of the lower housing 2 and further improve the service life of the data terminal.

At this time, a second filling pad 62 is further disposed in the second accommodating cavity 21, the second filling pad 62 is disposed at one side of the battery case assembly 3, and the second filling pad 62 is encapsulated in the second gel 42. Specifically, the height of the second filling pad 62 is smaller than the height of the battery case assembly 3. In this embodiment, the second filling-up pad 62 is a foam pad. Preferably, the second filling pad 62 is attached to the battery case assembly 3, and one side surface of the second filling pad 62 is arranged along with the side surface of the battery case assembly 3, so that the arrangement of the second filling pad 62 is helpful for reducing the pouring amount of the second colloid 42 and guaranteeing the assembly cost of the lower housing 2.

Here, the battery case assembly 3 of the data terminal is a single battery, and of course, two or more battery sets may be provided in the second accommodating chamber 21 of the lower case 2, and when two battery sets are provided in the second accommodating chamber 21, the second filling pad 62 is not required.

It should be further understood that the data terminal further includes a partition 8, the partition 8 is inserted into the second accommodating chamber 21, and mounting grooves 81 adapted to be inserted with the reinforcing ribs 23 are formed on opposite sides of the partition 8, respectively. Specifically, the separator 8 is disposed along with the outer wall of the battery case assembly 3. In this embodiment, as shown in fig. 5 and 6, the partition 8 has a rectangular parallelepiped structure as a whole, and mounting grooves 81 are formed in two opposite sides of the partition 8, the mounting grooves 81 are adapted to the above-mentioned reinforcing ribs 23, and the arrangement of the partition 8 helps to further reduce the pouring amount of the second colloid 42 and reduce the assembly cost of the lower housing 2.

Here, the second colloid 42 and the first colloid 41 are the same colloid, and are both made of epoxy resin. In the present embodiment, the epoxy resin includes any one or a combination of at least two of bisphenol a type epoxy resin, bisphenol F type epoxy resin, alicyclic epoxy resin, or liquid novolac type epoxy resin. Preferably, the second colloid 42 and the first colloid 41 are bisphenol a type epoxy resins.

As shown in fig. 7 to 9, the upper case 1 has a first receiving chamber 11, a first gel 41 is filled in the first receiving chamber 11, and at this time, the above-mentioned circuit board assembly is fixed in the first receiving chamber 11 and encapsulated inside the first gel 41. In the present embodiment, the circuit board assembly includes a main board 51 and a power board 52. Wherein, the mainboard 51 is fixed on the bottom surface of first accommodation chamber 11 through first connecting piece 71, and power board 52 sets up on mainboard 51 through second connecting piece 72, and power board 52 is connected with mainboard 51 electricity. At this time, it should be understood that, since the circuit board assembly encapsulates the inside of the first glue 41, both the main board 51 and the power board 52 are immersed under the glue surface of the first glue 41.

Specifically, a mounting post 13 is formed at the bottom surface of the first receiving chamber 11, and the first connector 71 may pass through the main board 51 and be screwed to the mounting post 13 to achieve the mounting of the main board 51 in the first receiving chamber 11. In the present embodiment, the first connector 71 is provided as a self-tapping screw, which not only contributes to a reduction in the manufacturing process of the upper case 1, but also improves the assembly efficiency of the main board 51.

At this time, the first filling pad 61 is adhesively disposed on the main board 51, and the first filling pad 61 is disposed between the main board 51 and the bottom surface. As shown in fig. 8 and 9, a first filling pad 61 is adhesively provided on the side of the main board 51 facing the bottom surface of the first accommodation chamber 11, and the height of the first filling pad 61 is the same as that of the mounting post 13 described above. In the present embodiment, the first filling pad 61 is a foam pad, and is located between the main board 51 and the bottom surface, so as to realize installation protection of the main board 51, and also help to reduce the filling amount of the first colloid 41 and reduce the assembly cost of the upper housing 1.

As shown in fig. 9, the power board 52 is disposed at a distance from the main board 51, and the power board 52 is located at a side of the main board 51 facing away from the bottom surface. In the present embodiment, the second connector 72 includes a double-pass hexagonal stud 721, a first screw 722, and a second screw 723. The first end of the bi-pass hexagonal stud 721 is screwed with a first screw 722 penetrating through the main board 51, so that the bi-pass hexagonal stud 721 is fixed on the main board 51, and meanwhile, a second screw 723 penetrates through the power board 52 and is screwed with a second end of the bi-pass hexagonal stud 721, so that the power board 52 is fixed on the main board 51 and is located at a side of the main board 51 facing away from the bottom surface. It should be understood that, since the double-pass hexagonal stud 721 has a certain length, a receiving space is provided between the power board 52 and the main board 51 to accommodate a connection line for electrically connecting the power board 52 and the main board 51. The arrangement of the second connecting piece 72 realizes the interval arrangement of the power panel 52 and the main board 51, and helps to improve the filling efficiency of the first colloid 41 and the fixing effect of the circuit board assembly.

At this time, the circuit assembly is connected to the upper housing 1 and is disposed on the sidewall of the first accommodating cavity 11. Specifically, the wiring assembly includes an output receptacle 94 and at least one output line, wherein the at least one output line is electrically connected to the power strip 52 and the output receptacle 94 is electrically connected to the motherboard 51. In the present embodiment, the number of output lines is three, and for convenience of description, the three output lines are referred to as a first output line 91, a second output line 92, and a third output line 93, respectively. The first output line 91 is an aviation plug output line, the second output line 92 is an output line of the antenna assembly, the third output line 93 is a waterproof connecting terminal output line, the three output lines are all arranged on the upper shell 1 in a penetrating manner, and the connecting ends of the three output lines and the main board 51 are all packaged in the first colloid 41. Meanwhile, the output socket 94 is arranged on the upper shell 1, the output socket 94 is electrically connected with the main board 51, the connection part of the output socket 94 and the main board 51 and the output end of the output socket are sealed inside the first colloid 41, and the arrangement helps to further reduce the risk of water leakage from the joint.

In the actual assembly process, after the battery case assembly 3 and the second filling pad 62 are fitted into the lower case 2, the epoxy resin is filled and brought to a prescribed level line, and the curing of the epoxy resin is awaited. At this time, the battery lead 31 of the battery pack assembly 3 at least partially protrudes out of the liquid level line for connection with the power supply board 52.

Then, the leads of the three output wires are soldered to the power board 52, the leads of the output socket 94 are soldered to the main board 51, then, the first filling pad 61 is stuck to the main board 51, and the double-pass hexagonal stud 721 is also fixed to the main board 51 by the cross-head screw, and then, the main board 51 is locked to the mounting post 13 by the first connector 71, and the power board 52 is locked and fixed to the double-pass hexagonal stud 721. At this time, the battery lead 31 is welded to the power supply board 52, and the epoxy resin is filled to a prescribed level line.

Finally, the upper case 1 and the lower case 2 are assembled together and connected by the third connection member 73.

The data terminal in the embodiment adopts a full glue filling process, ensures that all components and joints are protected by glue, enables the components and joints to be soaked in water for a long time, and improves the waterproof performance of the components and joints. Meanwhile, the device has the advantages of simple integral structure, convenience in assembly and low processing cost.

The embodiment also provides a metering device, which comprises the data terminal.

Compared with the prior art, the metering device and the data terminal have the same beneficial effects and are not described in detail herein.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (10)

1. A data terminal, comprising:

The shell comprises an upper shell and a lower shell which are connected, wherein the upper shell is provided with a first accommodating cavity, the lower shell is provided with a second accommodating cavity, a first colloid is filled in the first accommodating cavity, and a second colloid is filled in the second accommodating cavity;

A circuit board assembly disposed in the first receiving cavity and encapsulated inside the first gel;

The battery box assembly is arranged in the second accommodating cavity and is packaged in the second colloid, and battery leads of the battery box assembly sequentially penetrate through the second colloid and the first colloid and are connected with the circuit board assembly.

2. The data terminal of claim 1, wherein the circuit board assembly comprises:

The main board is fixed on the bottom surface of the first accommodating cavity through a first connecting piece, and a first filling pad is arranged between the main board and the bottom surface;

The power panel is arranged on the main board through the second connecting piece, and the power panel is electrically connected with the main board.

3. The data terminal of claim 2, wherein the power board is spaced apart from the main board, and the power board is located on a side of the main board facing away from the bottom surface.

4. The data terminal of claim 2, further comprising:

the circuit component is arranged on the upper shell in a penetrating way and is connected with the circuit board component.

5. The data terminal of claim 4, wherein the wiring assembly includes an output socket and at least one output line, the at least one output line being electrically connected to the power strip, the output socket being electrically connected to the motherboard.

6. The data terminal of claim 1, wherein a second filling pad is further disposed in the second receiving cavity, the second filling pad is disposed at one side of the battery case assembly, and the second filling pad is encapsulated in the second gel.

7. The data terminal of claim 1, wherein the housing is a plastic piece and a stiffener is constructed on a sidewall of the second receiving cavity.

8. The data terminal of claim 7, wherein the data terminal further comprises:

the baffle, the baffle inserts and establishes in the second holds the chamber, the mounting groove has been seted up respectively to the opposite both sides of baffle, the mounting groove is used for the cartridge of strengthening rib.

9. The data terminal of claim 1, wherein a protection cavity is provided on the lower housing, an overflow trough communicated with the second accommodating cavity is provided at the top of the protection cavity, and a through hole communicated with the second accommodating cavity is provided at the bottom of the protection cavity.

10. A metering device comprising a data terminal as claimed in any one of claims 1 to 9.