Efficient energy-saving electronic scale
By introducing a feedback circuit to control the power module and a detachable display structure into the electronic scale, the problems of low charging efficiency and easy damage to the display screen are solved, achieving a highly efficient, energy-saving, and easy-to-maintain electronic scale design.
Patent Information
- Application Number
- CN202423129581.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-18
AI Technical Summary
Existing electronic scales have inefficient charging devices, high energy consumption, and easily damaged displays, which affects their usability.
The power module is controlled by a feedback circuit, which controls the on/off state of the input coil by the voltage value of the transformer feedback coil, thereby improving power utilization. The display structure is designed to be detachable, making it easy to replace the display screen.
This improves the energy efficiency of the electronic scale, reduces charging energy consumption, and enhances the usability of the display screen.
Smart Images
Figure CN223691854U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electronic scale field, concretely relates to a kind of efficient energy-saving electronic scale. BACKGROUND
[0002] Electronic scale is mainly composed of bearing system (such as scale disc, scale body), force transmission conversion system (such as lever force transmission system, sensor) and indicating system (such as scale dial, electronic display instrument) 3 parts.Electronic scale can be divided into three categories according to structural principle, namely mechanical scale, electronic scale and electromechanical scale.
[0003] In the existing electronic scale, part has screen display, wireless communication etc.Function, so as to realize the sustained working capacity of electronic scale, generally will join charging device in electronic scale, and the charging device in current electronic scale is all adopted simple DCDC step-down mode, and charging efficiency is lower in this way, improves the energy consumption of electronic scale;Not only this, electronic scale often appears liquid crystal screen damage in use process, and general user will not maintain, and then influence the use effect of electronic scale. INVENTION CONTENTS
[0004] The utility model discloses in order to overcome above -mentioned insufficient, provide a kind of efficient energy-saving electronic scale.
[0005] The utility model discloses the following technical solutions to realize the above-mentioned purposes:
[0006] An efficient energy-saving electronic scale, including scale disc, scale body and force transmission conversion system, scale disc is driven connection with scale body by force transmission conversion system;Scale body is equipped with display structure and charging interface, and the inside of scale body is equipped with CPU and power module, and charging interface is electrically connected with power module, and force transmission conversion system is electrically connected with CPU, and CPU is electrically connected with display structure and power module respectively;Display structure includes display screen, support and gold finger, and gold finger is arranged on support, and support is hinged with display screen, and scale body is equipped with clamping groove, and socket is equipped in groove wall, and support is embedded into clamping groove, and gold finger is electrically connected with CPU by socket;
[0007] The power module comprises a power circuit, the power circuit comprises a fuse, a thermistor, a first inductor, a second inductor, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a sixth capacitor, a seventh capacitor, an eighth capacitor, a ninth capacitor, a tenth capacitor, an eleventh capacitor, a twelfth capacitor, a first resistor, a second resistor, a third resistor, a fourth resistor, a first integrated circuit, a second integrated circuit, a first diode, a second diode, a third diode, a rectifier bridge and a transformer, the first integrated circuit is VIPER50, the COMP end of the first integrated circuit is grounded through the sixth capacitor, the COMP end of the first integrated circuit is grounded through the seventh capacitor and the fourth resistor, the SOURCE end of the first integrated circuit is grounded, the OSC end of the first integrated circuit is grounded through the fifth capacitor, the OSC end of the first integrated circuit is electrically connected with the Vco end of the first integrated circuit through the third resistor, the DRAIN end of the first integrated circuit is electrically connected with the anode of the diode through the first resistor, the first inductor is a common mode inductor, the input side of the first inductor is connected with the first capacitor in parallel, the two ends of the input side of the first inductor are respectively electrically connected with the fuse and the thermistor, the output side of the first inductor is electrically connected with the input side of the rectifier bridge, the negative electrode of the rectifier bridge is grounded, the positive electrode of the rectifier bridge is grounded through the second capacitor, the transformer is provided with an input coil, a feedback coil and an output coil, the first diode is connected with the input coil in parallel, the cathode of the first diode is electrically connected with the positive electrode of the rectifier bridge, the anode of the first diode is electrically connected with the DRAIN end of the first integrated circuit through a parallel circuit composed of the first resistor and the third capacitor, the positive electrode of the rectifier bridge is electrically connected with the DRAIN end of the first integrated circuit through the input coil, one end of the feedback coil of the transformer is electrically connected with the Vco end of the first integrated circuit through the second resistor and the third diode, the other end of the feedback coil of the transformer is grounded, the output coil of the transformer is connected with the second diode and the ninth capacitor in parallel, the ninth capacitor is connected with the second inductor and the tenth capacitor in parallel, the cathode of the second diode is grounded through the ninth capacitor and the eighth capacitor, the cathode of the second diode is electrically connected with the input end of the second integrated circuit through the second inductor, the output end of the second integrated circuit is electrically connected through the eleventh capacitor and the twelfth capacitor respectively, the grounding end of the second integrated circuit is grounded, and the second integrated circuit is 78L15.
[0008] Preferably, the bottom of the scale body is provided with four bases, the bases are threadedly connected with the scale body, and the height and levelness of the scale body can be adjusted by adjusting the four bases.
[0009] Preferably, a horizontal and vertical glass tube is arranged on the scale body, water and air are arranged in the glass tube, and when the scale body is horizontal, the air bubble in the glass tube is centered, which can help the user to place the scale body horizontally.
[0010] Preferably, the surface of the scale disc is provided with anti-skid lines to prevent the user from slipping when standing on the scale disc.
[0011] As preferred, the power module is electrically connected with the power transmission conversion system, the display structure and the CPU, and the power module is used to provide power for other modules or structures.
[0012] The high-efficiency energy-saving electronic scale has the advantages that: the feedback circuit is mainly composed of the first integrated circuit in the power supply circuit, the voltage value of the feedback coil of the transformer is collected, then the output voltage value is controlled by controlling the on-off of the input coil, the power utilization rate is improved, the charging energy consumption is reduced, and the energy-saving effect of the electronic scale is improved; in addition, the display structure can realize flexible disassembly of the display screen, and the practicability of the electronic scale is improved. BRIEF DESCRIPTION OF DRAWINGS
[0013] The utility model will pass through example and refer to the mode of the attached drawing, wherein:
[0014] Fig. 1 It is the structural schematic diagram of the utility model;
[0015] Fig. 2 It is the structural schematic diagram of the display structure of the utility model;
[0016] Fig. 3 It is the circuit principle diagram of the power supply circuit of the utility model. DETAILED DESCRIPTION
[0017] The utility model will pass through example and refer to the mode of the attached drawing, wherein:
[0018] As Figs. 1-3 The utility model discloses a high-efficiency energy-saving electronic scale, which comprises a scale disc 1, a scale body 3 and a power transmission conversion system 2, the scale disc 1 is in transmission connection with the scale body 3 through the power transmission conversion system 2, the scale body 3 is provided with a display structure and a charging interface 5, and the inside of the scale body 3 is provided with a CPU and a power module; the charging interface 5 is electrically connected with the power module; the power transmission conversion system 2 is electrically connected with the CPU; the CPU is electrically connected with the display structure and the power module respectively. The display structure comprises a display screen 6, a support 7 and a golden finger 8, the golden finger 8 is arranged on the support 7, the support 7 is hingedly connected with the display screen 6, the scale body 3 is provided with a clamping groove, a socket is arranged in the groove wall, the support 7 is embedded into the clamping groove, the golden finger 8 is electrically connected with the CPU through the socket, and a user can pull out the display screen 6 from the clamping groove, replace the display screen 6, and improve the practicability of the electronic scale.
[0019] The power module comprises a power circuit, the power circuit comprises a fuse FU1, a thermistor RT1, a first inductor L1, a second inductor L2, a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a fifth capacitor C5, a sixth capacitor C6, a seventh capacitor C7, an eighth capacitor C8, a ninth capacitor C9, a tenth capacitor C10, an eleventh capacitor C11, a twelfth capacitor C12, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a first integrated circuit U1, a second integrated circuit U2, a first diode D1, a second diode D2, a third diode D3, a rectifier bridge N1 and a transformer T1, the model of the first integrated circuit U1 is VIPER50, the COMP end of the first integrated circuit U1 is grounded through the sixth capacitor C6, the COMP end of the first integrated circuit U1 is grounded through the seventh capacitor C7 and the fourth resistor R4, the SOURCE end of the first integrated circuit U1 is grounded, the OSC end of the first integrated circuit U1 is grounded through the fifth capacitor C5, the OSC end of the first integrated circuit U1 is electrically connected with the Vco end of the first integrated circuit U1 through the third resistor R3, the DRAIN end of the first integrated circuit U1 is electrically connected with the anode of the diode through the first resistor R1, the first inductor L1 is a common mode inductor, the input side of the first inductor L1 is connected with the first capacitor C1 in parallel, the input side of the first inductor L1 is electrically connected with the fuse FU1 and the thermistor RT1 respectively, the output side of the first inductor L1 is electrically connected with the input side of the rectifier bridge N1, the negative electrode of the rectifier bridge N1 is grounded, the positive electrode of the rectifier bridge N1 is grounded through the second capacitor C2, the transformer T1 is provided with an input coil, a feedback coil and an output coil, the first diode D1 is connected with the input coil in parallel, the cathode of the first diode D1 is electrically connected with the positive electrode of the rectifier bridge N1, the anode of the first diode D1 is electrically connected with the DRAIN end of the first integrated circuit U1 through a parallel circuit composed of the first resistor R1 and the third capacitor C3, the positive electrode of the rectifier bridge N1 is electrically connected with the DRAIN end of the first integrated circuit U1 through the input coil, one end of the feedback coil of the transformer T1 is electrically connected with the Vco end of the first integrated circuit U1 through the second resistor R2 and the third diode D3, the other end of the feedback coil of the transformer T1 is grounded, the output coil of the transformer T1 is connected with the second diode D2 and the ninth capacitor C9 in parallel, the ninth capacitor C9 is connected with the second inductor L2 and the tenth capacitor C10 in parallel, the cathode of the second diode D2 is grounded through the ninth capacitor C9 and the eighth capacitor C8, the cathode of the second diode D2 is electrically connected with the input end of the second integrated circuit U2 through the second inductor L2, the output end of the second integrated circuit U2 is electrically connected through the eleventh capacitor C11 and the twelfth capacitor C12 respectively, the grounding end of the second integrated circuit U2 is grounded, and the model of the second integrated circuit U2 is 78L15.
[0020] The power supply circuit is mainly composed of a feedback circuit of the first integrated circuit U1, the voltage value of the feedback coil of the transformer T1 is collected, then the input coil is controlled to control the output voltage value, wherein the first integrated circuit U1 can be controlled by PWM to improve the power utilization rate, reduce the charging energy consumption, and improve the energy-saving effect of the electronic scale.
[0021] Specifically, the bottom of the scale body 3 is provided with four bases 4, the bases 4 are threadedly connected with the scale body 3, and the height and levelness of the scale body 3 can be adjusted by adjusting the four bases 4.
[0022] Specifically, the scale body 3 is provided with a horizontal and vertical glass tube, water and air are arranged in the glass tube, and when the scale body 3 is horizontal, the air bubbles in the glass tube are centered, which can help the user to place the scale body 3 horizontally.
[0023] Specifically, the surface of the scale disc 1 is provided with anti-skid lines to prevent the user from slipping when standing on the scale disc 1.
[0024] Specifically, the power module is electrically connected with the force transmission conversion system 2, the display structure and the CPU, and the power module is used for providing electric energy for other modules or structures.
[0025] According to the above description, relevant personnel can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims
1. A high efficiency energy saving electronic scale characterized by: The scale includes a scale pan, a scale body and a force transmission conversion system, and the scale pan is in transmission connection with the scale body through the force transmission conversion system; The scale body is provided with a display structure and a charging interface, and the inside of the scale body is provided with a CPU and a power module, the charging interface is electrically connected with the power module, the force transmission conversion system is electrically connected with the CPU, and the CPU is electrically connected with the display structure and the power module respectively; The display structure includes a display screen, a support and a golden finger, the golden finger is arranged on the support, the support is hinged with the display screen, the scale body is provided with a clamping groove, a socket is arranged in the groove wall, the support is embedded into the clamping groove, and the golden finger is electrically connected with the CPU through the socket. The power module includes a power circuit, the power circuit includes a fuse, a thermistor, a first inductor, a second inductor, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a sixth capacitor, a seventh capacitor, an eighth capacitor, a ninth capacitor, a tenth capacitor, an eleventh capacitor, a twelfth capacitor, a first resistor, a second resistor, a third resistor, a fourth resistor, a first integrated circuit, a second integrated circuit, a first diode, a second diode, a third diode, a rectifier bridge and a transformer, the first integrated circuit is VIPER50, the COMP end of the first integrated circuit is grounded through the sixth capacitor, the COMP end of the first integrated circuit is grounded through the seventh capacitor and the fourth resistor, the SOURCE end of the first integrated circuit is grounded, the OSC end of the first integrated circuit is grounded through the fifth capacitor, the OSC end of the first integrated circuit is electrically connected with the Vco end of the first integrated circuit through the third resistor, the DRAIN end of the first integrated circuit is electrically connected with the anode of the diode through the first resistor, the first inductor is a common mode inductor, the input side of the first inductor is connected with the first capacitor in parallel, the two ends of the input side of the first inductor are electrically connected with the fuse and the thermistor respectively, the output side of the first inductor is electrically connected with the input side of the rectifier bridge, the negative pole of the rectifier bridge is grounded, the positive pole of the rectifier bridge is grounded through the second capacitor, the transformer is provided with an input coil, a feedback coil and an output coil, the first diode is connected with the input coil in parallel, the cathode of the first diode is electrically connected with the positive pole of the rectifier bridge, the anode of the first diode is electrically connected with the DRAIN end of the first integrated circuit through a parallel circuit composed of the first resistor and the third capacitor, the positive pole of the rectifier bridge is electrically connected with the DRAIN end of the first integrated circuit through the input coil, one end of the feedback coil of the transformer is electrically connected with the Vco end of the first integrated circuit through the second resistor and the third diode, the other end of the feedback coil of the transformer is grounded, the output coil of the transformer is connected with the second diode and the ninth capacitor in parallel, the ninth capacitor is connected with the second inductor and the tenth capacitor in parallel, the cathode of the second diode is grounded through the ninth capacitor and the eighth capacitor, the cathode of the second diode is electrically connected with the input end of the second integrated circuit through the second inductor, the output end of the second integrated circuit is electrically connected with the input end of the second integrated circuit through the eleventh capacitor and the twelfth capacitor respectively, the ground end of the second integrated circuit is grounded, and the second integrated circuit is 78L15.
2. The energy-efficient electronic scale of claim 1, wherein: The bottom of the scale body is provided with four bases, and the bases are threadedly connected with the scale body.
3. The energy-efficient electronic scale of claim 1, wherein: The scale body is provided with a horizontal and vertical glass tube, and the glass tube is provided with water and air.
4. The energy-efficient electronic scale of claim 1, wherein: The surface of the scale pan is provided with anti-skid lines.
5. The energy-efficient electronic scale of claim 1, wherein: The power module is electrically connected with the force transmission conversion system, the display structure and the CPU.