CN220690262U - Wireless weighing signal emitter - Google Patents

Abstract

The utility model discloses a wireless weighing signal transmitter, which comprises: the wireless communication module is arranged in the shell and is used for sending acquired data to the display equipment; a battery mounting groove is also formed in the shell; the battery module is detachably arranged in the battery mounting groove and is used for supplying power to the wireless communication module. The battery mounting groove is located at the bottom of the case. Thus, the battery can be conveniently installed and detached, and the battery is better and more convenient. In addition, the USB charger can be conveniently connected through a first charging connector (such as a Type-C USB interface). Therefore, after the battery module is unloaded, the first charging connector can be connected with a charger, so that the battery module can be charged independently without being matched with the shell to charge the battery together, and the replacement and charging of the battery are more convenient.

Description

Wireless weighing signal emitter

Technical Field

The utility model relates to the technical field of electronic scale signal transmitting devices, in particular to a wireless weighing signal transmitter.

Background

In platform balance or platform balance applications, it is often necessary to output information such as weight to a display device such as a meter for display. The data can be transmitted to a display device such as a meter for display in a wired or wireless mode. The wireless mode does not need a connecting wire, so that the wireless mode is more convenient. The platform scale or platform scale realizes wireless transmission of data through the wireless weighing signal transmitter, and particularly performs wireless communication with display equipment such as instruments through the wireless communication module, so as to realize data transmission. For portability, the wireless weighing signal transmitters are also typically battery powered, so that direct power via a connection wire is not required. In the prior art, the battery is usually fixed inside the shell, so the battery cannot be conveniently unloaded for charging, and the battery is inconvenient to replace and charge.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent. To this end, an object of the utility model is to propose a wireless weighing signal transmitter.

To achieve the above object, a wireless weighing signal transmitter according to an embodiment of the present utility model includes:

the wireless communication module is arranged in the shell and used for sending acquired data to the display equipment; a battery mounting groove is also formed in the shell;

the battery module is detachably arranged in the battery mounting groove and is used for supplying power to the wireless communication module.

Further, according to an embodiment of the present utility model, a first charging connector is provided on the battery module, and the first charging connector is used for connecting with a charging device to charge the battery module.

Further, according to an embodiment of the present utility model, the first charging connector is a Type-C USB interface.

Further, according to an embodiment of the present utility model, the battery module is provided at both sides thereof with elastic clamping pieces for elastically clamping with the inner wall of the battery mounting groove, respectively, to detachably mount the battery module in the battery mounting groove.

Further, according to an embodiment of the present utility model, the battery module includes:

a battery case;

a battery mounted within the battery housing;

the charging circuit board is arranged in the battery shell, the charging circuit board is connected with the battery to charge the battery, and the first charging connector is arranged on the charging circuit board.

Further, according to an embodiment of the present utility model, the wireless weighing signal transmitter further comprises:

the power connector is arranged in the battery shell, a second charging connector is further arranged on the charging circuit board, the power connector is detachably and electrically connected with the second charging connector, and the power connector is connected with charging equipment through a connecting wire so as to charge the battery; or the power connector is used for leading out the power supply of the battery module so as to supply power for the wireless communication module.

Further, according to an embodiment of the present utility model, battery unloading grooves are further formed at both ends of the battery mounting groove, respectively, for compressing the elastic clamping piece under the action of external force to unload the battery module from the housing.

Further, according to an embodiment of the present utility model, the housing includes:

a main casing, the battery mounting groove being located on the main casing, an opening of the battery mounting groove being located at a position below the main casing; a wireless circuit board groove is further formed in the upper portion of the main shell, and the wireless communication module is arranged in the wireless circuit board groove;

and the upper cover is arranged above the main shell.

Further, according to an embodiment of the present utility model, a first elastic piece and a second elastic piece are further disposed above the main housing, and the first elastic piece and the second elastic piece are used for providing an ejecting force for the battery when the battery is unloaded.

Further, according to an embodiment of the present utility model, the wireless communication module includes:

the analog-to-digital conversion module is used for being connected with the weight sensor so as to convert an analog signal output by the weight sensor into a digital signal;

the controller circuit is connected with the digital signal output end of the analog-to-digital conversion module to acquire weight information of the weight sensor;

and the wireless communication circuit is connected with the controller circuit and is used for transmitting the weight information to the display equipment in a wireless mode so as to display the weight information.

Further, according to an embodiment of the present utility model, the wireless weighing signal transmitter further includes a key circuit board, the key circuit board is installed on the main housing, the key circuit board is electrically connected with the wireless communication module, a key is disposed on the key circuit board, and the key is used for inputting a control signal to the wireless communication module;

the wireless communication module is characterized in that an indicator lamp through hole is further formed in the lower portion of the main shell, an indicator lamp is further arranged on the wireless communication module and located at the indicator lamp through hole, and the indicator lamp is used for indicating the working state of the wireless communication module.

According to the wireless weighing signal transmitter provided by the embodiment of the utility model, the wireless communication module is arranged in the shell and is used for transmitting acquired data to other equipment; a battery mounting groove is also formed in the shell; the battery module is detachably arranged in the battery mounting groove and is used for supplying power to the wireless communication module. The battery mounting groove is located at the bottom of the case. Thus, the battery can be conveniently installed and detached, and the battery is better and more convenient. In addition, the USB charger can be conveniently connected through a first charging connector (such as a Type-C USB interface). Therefore, after the battery module is unloaded, the first charging connector can be connected with a charger, so that the battery module can be charged independently without being matched with the shell to charge the battery together, and the replacement and charging of the battery are more convenient.

Drawings

FIG. 1 is a schematic diagram of a wireless weighing signal transmitter according to the present utility model;

FIG. 2 is a schematic diagram of an exploded structure of a wireless weighing signal transmitter according to the present utility model;

FIG. 3 is a schematic diagram of another exploded construction of the wireless weighing signal transmitter provided by the utility model;

fig. 4 is a schematic diagram of a charging circuit according to the present utility model;

FIG. 5 is a schematic diagram of a power connector circuit structure according to the present utility model;

fig. 6 is a schematic circuit diagram of a wireless communication module according to the present utility model;

fig. 7 is a schematic diagram of a key circuit structure according to the present utility model.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Reference numerals:

a housing 10;

a main casing 101;

a battery mounting groove 1011;

a battery unloading groove 1012;

a first spring 1013;

a second spring 1014;

an indicator light through hole 1015;

a wireless circuit board recess 1016;

battery clamping groove 1017;

an upper cover 102;

a battery module 20;

a battery case 201;

a battery upper case 2011;

a battery lower case 2012;

a USB charging interface 20121;

an elastic sheet groove 20122;

an elastic chucking sheet 20123;

a clasp 201231;

a battery 202;

a charging circuit board 203;

a first charging connector 2031;

a second charging connector 2032;

a power connector 30;

a key circuit board 40;

a key 401;

an indicator light 50.

Detailed Description

In order to enable those skilled in the art to better understand the present utility model, the following description will make clear and complete descriptions of the technical solutions according to the embodiments of the present utility model with reference to the accompanying drawings. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

Referring to fig. 1 to 3, an embodiment of the present utility model provides a wireless weighing signal transmitter, including: the device comprises a shell 10 and a battery module 20, wherein a wireless communication module is arranged in the shell 10 and used for sending acquired data to display equipment; a battery mounting groove 1011 is also formed in the housing 10; in particular, in platform balance or platform balance applications, it is often necessary to output information such as weight to a display device such as a meter for display. The data can be transmitted to a display device such as a meter for display in a wired or wireless mode. The wireless mode does not need a connecting wire, so that the wireless mode is more convenient. The platform scale or platform scale realizes wireless transmission of data through the wireless weighing signal transmitter, and particularly performs wireless communication with display equipment such as instruments through the wireless communication module, so as to realize data transmission. For portability, the wireless weighing signal transmitters are also typically powered by the battery 202, so that direct power via a connection wire is not required. In the prior art, the battery 202 is usually fixed inside the housing 10, so the battery 202 cannot be conveniently unloaded for charging, and the replacement of the battery 202 is inconvenient. As shown in fig. 1, the battery module 20 is detachably installed in the battery installation recess 1011, and the battery module 20 is used to supply power to the wireless communication module. Specifically, the battery mounting groove 1011 is formed at the bottom of the housing 10, so that the battery 202 can be easily mounted and dismounted. Replacement of the battery 202 may also be facilitated, for example, a new battery 202 may be replaced. Alternatively, when the battery 202 is dead, the charged battery 202 may be replaced into the housing 10 to continue to power the wireless communication module.

Referring to fig. 1 and 3, the battery module 20 is provided with a first charging connector 2031 on the battery 202, and the first charging connector 2031 is used for connecting with a charging device to charge the battery module 20. Specifically, as shown in fig. 1 and 3, in one embodiment of the present utility model, the first charging connector 2031 is a Type-C USB interface. The USB charger may be conveniently connected through the Type-C USB interface, and power is output to the battery module 20 through the USB charger. In this way, after the battery module 20 is unloaded, a charger may be connected through the first charging connector 2031, so that the battery module 20 may be charged alone without the need to charge the battery 202 together with the housing 10.

Referring to fig. 1 and 3, the battery module 20 is provided at both sides thereof with elastic clamping pieces 20123, respectively, and the elastic clamping pieces 20123 are used for elastically clamping with the inner wall of the battery mounting groove 1011 to detachably mount the battery module 20 in the battery mounting groove 1011. As shown in fig. 1 and 3, the elastic clamping piece 20123 is provided with two, respectively located at both sides of the battery module 20. Since the elastic clamping piece 20123 has a certain elastic force, after the battery module 20 is inserted into the battery mounting groove 1011, the elastic force of the elastic clamping piece 20123 can lock and fix the snap 201231 on the outer side of the battery module 20 and the corresponding position of the inner wall of the battery mounting groove 1011 (at the position of the battery clamping groove 1017) with each other, so that the battery module 20 can be mounted and fixed in the battery mounting groove 1011, and when the battery module 20 needs to be dismounted, the elastic clamping piece 20123 is compressed by pressure respectively, the elastic clamping piece 20123 can be pressed into the elastic piece groove 20122, which can separate the snap 201231 on the elastic clamping piece 20123 from the inner wall of the battery mounting groove 1011, so that the battery module 20 can be dismounted.

Referring to fig. 2, 3 and 4, the battery module 20 includes: a battery case 201, a battery 202, and a charging circuit board 203, the battery 202 being installed in the battery case 201; as shown in fig. 2 and 3, the battery case 201 may include a battery upper case 2011 and a battery lower case 2012, and the battery upper case 2011 and the battery lower case 2012 are connected and fixed by a buckle 201231.

The charging circuit board 203 is installed in the battery case 201, the charging circuit board 203 is connected with the battery 202 to charge the battery 202, and the first charging connector 2031 is installed on the charging circuit board 203. As shown in fig. 3, a battery 202 mounting position and a charging circuit board 203 mounting position are respectively provided in the battery case 201, and the battery 202 is mountable and arranged in the battery 202 mounting position; and the charging circuit board 203 may be mounted in the circuit board mounting position. In this way, the battery 202 and the charging circuit board 203 can be respectively mounted and fixed by the battery case 201. The battery 202 can be charged by the charging circuit board 203. As shown in fig. 4, the charging circuit includes: the charging system comprises a charging controller U4 and a first light emitting diode LED2, wherein the power input end of the charging controller U4 is connected with a first charging connector through a first diode D3 so as to introduce a charging power source through the first charging connector and charge the battery through the charging controller U4; the power input end VIN of the charging controller U4 is connected with a first charging connector through a first diode D3, a charging power source can be introduced into the charging controller U4 through the first charging connector, charging management output is carried out through the charging controller U4, and the charging management output is output to a lithium battery pack through a battery interface BAT1, so that the lithium battery pack is charged.

The anode of the first light emitting diode LED2 is connected with the output end of the charging power supply through a first resistor R18, and the cathode of the first light emitting diode LED2 is connected with the charging indication end of the charging controller. The first light emitting diode LED2 can indicate the charging state, and the first light emitting diode LED2 emits light or extinguishes under the control of the charging controller U4, so as to indicate the charging state.

Referring to fig. 2, the wireless weighing signal transmitter further includes: the power connector 30 is installed in the battery case 201, the charging circuit board 203 is further provided with a second charging connector 2032, the power connector 30 is detachably and electrically connected with the second charging connector 2032, and the power connector 30 is used for being connected with a charging device through a connecting wire to charge the battery 202; or the power connector 30 is used for leading out the power supply of the battery module 20 to supply power to the wireless communication module. As shown in fig. 2, the power connector 30 may be mounted and fixed in the battery case 201 by means of screw fixation. After the battery module 20 is inserted into the battery mounting groove 1011, the positive and negative terminals of the power connector 30 may be connected to both ends of the second charging connector 2032, respectively, so that the second charging connector 2032 of the battery module 20 may be led out, a charger may be connected through a connection line to charge the battery module 20, or the battery module 20 may be discharged to the outside through the power connector 30, thereby supplying power to the wireless communication module.

Referring to fig. 1 and 3, battery unloading grooves 1012 are further provided at both ends of the battery mounting groove 1011, respectively, and the battery unloading grooves 1012 are used to compress the elastic clamping pieces 20123 under the action of external force so as to unload the battery module 20 from the housing 10. In order to better contact the elastic clamping piece 20123 by a human hand or a mechanical arm, the elastic clamping piece 20123 can be compressed by a human hand or a mechanical arm, so that the clamping interface between the clamping buckle 201231 on the elastic clamping piece 20123 and the clamping groove of the inner wall of the battery clamping groove 1017 can be separated, and the battery module 20 can be unloaded.

Referring to fig. 2 and 3, the housing 10 includes: a main casing 101 and an upper cover 102, the battery mounting groove 1011 is located on the main casing 101, and an opening of the battery mounting groove 1011 is located at a position below the main casing 101; a wireless circuit board groove 1016 is further formed above the main housing 101, and the wireless communication module is installed in the wireless circuit board groove 1016; as shown in fig. 2, the battery mounting groove 1011, the wireless circuit board groove 1016, and the power connector 30 are provided on the main housing 101, respectively. The upper cover 102 is installed above the main housing 101. The upper cover 102 and the main housing 101 can be locked and fixed by a mode of a snap 201231. In this way, the space between the main casing 101 and the upper cover 102 can be sealed, preventing liquid from entering the space between the main casing 101 and the upper cover 102.

Referring to fig. 2, a first spring 1013 and a second spring 1014 are further disposed above the main housing 101, and the first spring 1013 and the second spring 1014 are configured to provide an ejecting force for the battery 202 when the battery 202 is unloaded. As shown in fig. 2, the elastic pieces are provided in two, and the two elastic pieces are respectively provided at positions above the main housing 101, and the first and second elastic pieces 1013 and 1014 can provide a certain elastic force to the battery module 20 after the battery module 20 is mounted in the recess of the battery 202, so that the battery module 20 can be ejected during the unloading of the battery module 20, thereby better removing the battery module 20.

Referring to fig. 6, the wireless communication module includes: the device comprises an analog-to-digital conversion module, a controller circuit and a wireless communication circuit, wherein the analog-to-digital conversion module is used for being connected with a weight sensor so as to convert an analog signal output by the weight sensor into a digital signal; the analog-to-digital conversion module can be connected with the weight sensor to convert the weighing analog signals output by the weight sensor into data signals so that the controller can collect and process the data signals. As shown IN fig. 6, the analog-to-digital conversion module comprises an analog-to-digital converter U6, and the signal input terminal (IN-, in+) of the analog-to-digital converter U6 is connected to the weight signal output terminal (S-, s+) of the weight sensor through a resistor R26 and a resistor R27, respectively. In this way, the differential weight signal output by the weight sensor can be received, and the digital weight signal (adc_data1, adc_clk1) is output to the controller U3 through the signal output terminals (Dout, SCLK) after the analog signal is converted into the digital signal.

The controller U3 circuit is connected with the digital signal output end of the analog-to-digital converter U6 to acquire the weight information of the weight sensor; as shown in fig. 6, the controller circuit includes a controller U3, where the controller U3 is communicatively connected to the analog-to-digital converter U6 through signal terminals (adc_data1, adc_clk1) to obtain a weight digital signal output by the analog-to-digital converter U6.

The wireless communication circuit is connected with the controller circuit and is used for transmitting the weight information to the display device in a wireless mode so as to display the weight information. The wireless communication circuit includes: the Bluetooth communication module U5, a wireless receiving and transmitting antenna BA_ANT1 and a filter circuit, wherein the Bluetooth communication module U5 is in communication connection with the controller circuit through a serial communication interface; the Bluetooth communication module U5 is connected with the controller U3 through serial ports RX2 and TX2 signal ends, so that the Bluetooth communication module U can be in data communication with the controller and receive a weight signal output by the controller U3. The wireless receiving and transmitting antenna is connected with the Bluetooth communication module through the filter circuit, and the filter circuit is used for filtering interference signals. As shown in fig. 3, the filtering circuit may include a capacitor C17, an inductor L1, and a capacitor C18, where the capacitor C17, the inductor L1, and the capacitor C18 may form a filtering circuit to filter out interference signals to better communicate with the bluetooth device. For example, the weight data may be transmitted to the bluetooth display device via bluetooth wireless means for display of the data.

Referring to fig. 6, the wireless junction box of the electronic scale further includes: and the power supply conversion circuit is connected with the battery to convert the voltage of the output power supply of the battery and then supply power for the analog-to-digital conversion module, the controller circuit and the wireless communication circuit. The power supply circuit includes: the power supply control circuit and the voltage conversion circuit are connected with the battery, and the power supply control circuit is used for controlling the power supply output of the battery.

Referring to fig. 1 and 3, the wireless weighing signal transmitter further includes a key circuit board 40, the key circuit board 40 is installed on the main housing 101, the key circuit board 40 is electrically connected with the wireless communication module, a key 401 is disposed on the key circuit board 40, and the key 401 is used for inputting a control signal to the wireless communication module; as shown in fig. 1 and 3, a control signal can be input to the wireless communication module through the key 401, so that the operation state of the wireless communication module can be controlled. For example, when the wireless communication module is dead, a reset signal may be input through the key 401, so that the wireless communication module is restarted, thereby enabling the wireless communication module to work normally.

The wireless communication module is characterized in that an indicator lamp through hole 1015 is further formed below the main casing 101, an indicator lamp 50 is further arranged on the wireless communication module, the indicator lamp 50 is located at the indicator lamp through hole, and the indicator lamp 50 is used for indicating the working state of the wireless communication module. The working state of the wireless communication module can be indicated by the indicator light 50, so that a user can obtain the working state of the wireless communication module better, and when the user finds that the working state of the wireless communication module is abnormal, the user can restart and reset the wireless communication module by the key 401.

Although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that the present utility model may be modified or equivalents substituted for some of the features thereof. All equivalent structures made by the content of the specification and the drawings of the utility model are directly or indirectly applied to other related technical fields, and are also within the scope of the utility model.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations may be made to the above embodiments by those skilled in the art without departing from the spirit and principles of the utility model, which is within the scope of the utility model.

Claims (10)

1. A wireless weighing signal transmitter, comprising:

a housing;

the wireless communication module is arranged in the shell and is used for sending acquired data to the display equipment; a battery mounting groove is also formed in the shell;

the battery module is detachably arranged in the battery mounting groove and is used for supplying power to the wireless communication module.

2. The wireless weighing signal emitter according to claim 1, wherein a battery module is provided with a first charging connector thereon, said first charging connector being adapted to be connected to a charging device for charging said battery module.

3. The wireless weighing signal emitter of claim 2, wherein said first charging connector is a Type-C USB interface.

4. A wireless weighing signal emitter according to any of claims 2-3 and wherein said battery module is provided with respective resilient clamping tabs on both sides thereof for resiliently clamping against the inner wall of said battery mounting recess for detachably mounting said battery module in said battery mounting recess.

5. The wireless weighing signal emitter according to claim 4, wherein said battery module comprises:

a battery case;

a battery mounted within the battery housing;

the charging circuit board is arranged in the battery shell, the charging circuit board is connected with the battery to charge the battery, and the first charging connector is arranged on the charging circuit board.

6. The wireless weighing signal emitter according to claim 5, further comprising:

the power connector is arranged in the battery shell, a second charging connector is further arranged on the charging circuit board, the power connector is detachably and electrically connected with the second charging connector, and the power connector is connected with charging equipment through a connecting wire so as to charge the battery; or the power connector is used for leading out the power supply of the battery module so as to supply power for the wireless communication module.

7. The wireless weighing signal emitter according to claim 4, wherein battery unloading grooves are further formed at two ends of said battery mounting groove, respectively, for compressing said elastic clamping piece under the action of external force to unload said battery module from said housing.

8. The wireless weighing signal emitter according to claim 1, wherein said housing comprises:

a main casing, the battery mounting groove being located on the main casing, an opening of the battery mounting groove being located at a position below the main casing; a wireless circuit board groove is further formed in the upper portion of the main shell, and the wireless communication module is arranged in the wireless circuit board groove;

the upper cover is arranged above the main shell;

the battery loading device is characterized in that a first elastic piece and a second elastic piece are further arranged above the main shell, and the first elastic piece and the second elastic piece are used for providing a spring-out acting force for the battery when the battery is unloaded.

9. The wireless weighing signal emitter according to claim 1, wherein said wireless communication module comprises:

the analog-to-digital conversion module is used for being connected with the weight sensor so as to convert an analog signal output by the weight sensor into a digital signal;

the controller circuit is connected with the digital signal output end of the analog-to-digital conversion module to acquire weight information of the weight sensor;

and the wireless communication circuit is connected with the controller circuit and is used for transmitting the weight information to the display equipment in a wireless mode so as to display the weight information.

10. The wireless weighing signal emitter according to claim 8, further comprising a key circuit board, wherein the key circuit board is installed on the main housing, the key circuit board is electrically connected with the wireless communication module, and a key is arranged on the key circuit board and is used for inputting a control signal to the wireless communication module;

the wireless communication module is characterized in that an indicator lamp through hole is further formed in the lower portion of the main shell, an indicator lamp is further arranged on the wireless communication module and located at the indicator lamp through hole, and the indicator lamp is used for indicating the working state of the wireless communication module.