Electric bicycle load detection device

Abstract

The utility model provides an electric bicycle load detection device which comprises a detection shell, a detection handle, a display screen and a detection circuit board, the display screen is installed on the top of the detection shell, the detection handle is installed on one side of the top of the detection shell, the detection circuit board is installed inside the detection shell, and a load detection circuit is arranged above the detection circuit board. The beneficial effects of the utility model are that compared with the prior art, the efficiency is improved by 20 times, the device is packaged by the plastic housing, the plug-in connection protects the circuit, the safety double insurance is realized, the handle is added, the carrying is convenient, the detection coverage range is increased, the detection blind area is reduced, the detection time is shortened, and the detection process is optimized. Various parts are detected synchronously, interference is verified at the same time, the performance of electric devices is detected comprehensively, and autonomous design is achieved. The device can be upgraded again according to functions of parts, is high in expansibility, can be popularized to various bases, external inspection, routing inspection, box opening and group quality centers and is put into use step by step, each device can save three thousand yuan, the inspection capacity is improved, the return rate is reduced, and global users are served.

Description

TECHNICAL FIELD

[0001] The utility model belongs to electric vehicle parts detection field, especially a kind of electric bicycle load detection device. BACKGROUND

[0002] Electric vehicle parts arrive at factory, and a set of equipment is needed to complete precision detection according to proportion in external inspection, but the following problems exist in the present detection:

[0003] Inspection needs to be matched with the same model battery vehicle to carry out proportional inspection, and the efficiency is low, in addition, the existing technology cannot comprehensively inspect the basic performance of parts, and there is a blind area in inspection;Inspection needs to be detected manually one by one, and the inspection means is backward;In addition, there is no related detection equipment in market store, so that charger, anti-theft device and converter are misretumed, which affects enterprise benefit. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model aims at providing a kind of electric bicycle load detection device, which can not only detect charger, but also complete the detection of various loadings (such as anti-theft device and converter), comprehensively inspect the basic performance of parts, avoid the existence of inspection blind area, increase the detection of mutual interference between electric devices, save detection time effectively and improve efficiency.

[0005] To achieve the above purpose, the technical scheme of the utility model is as follows:

[0006] A kind of electric bicycle load detection device, including detection shell, detection handle, display screen and detection circuit board, the display screen is installed on the top of detection shell, detection handle is installed on the side of the top of detection shell, detection circuit board is installed in the inside of detection shell, load detection circuit is provided above detection circuit board;

[0007] The load detection circuit includes full-bridge rectifier circuit, charger detection circuit, converter detection circuit and anti-theft device detection circuit, one end of the full-bridge rectifier circuit is connected with 220V alternating current, the other end of the full-bridge rectifier circuit is connected with full-bridge rectifier circuit, and the full-bridge rectifier circuit is connected with charger detection circuit, converter detection circuit and anti-theft device detection circuit respectively.

[0008] Further, ventilation window is further provided on the side of the detection shell.

[0009] Further, trigger switch is installed on the other side of the detection shell, and trigger switch is used to control load detection start and close.

[0010] Further, power socket is further provided on the other side of the detection shell, and power supply line is connected to power socket to supply power to the device.

[0011] Further, the full-bridge rectifier circuit comprises a transformer T1, a bridge rectifier D1, a capacitor C1, a capacitor C2, a capacitor C5 and a capacitor C6, one end of the transformer T1 is connected with 220V alternating current, the other end of the transformer T1 is connected with the bridge rectifier D1, the bridge rectifier D1 is connected with the capacitor C2, the capacitor C1, the capacitor C5 and the capacitor C6 in parallel, and the capacitor C2, the capacitor C1, the capacitor C5 and the capacitor C6 are connected with the charger detection circuit, the converter detection circuit and the burglar alarm detection circuit respectively.

[0012] Further, the full-bridge rectifier circuit comprises a transformer T2, a bridge rectifier D2, a capacitor C4, a capacitor C3, a capacitor C7 and a capacitor C8, one end of the transformer T2 is connected with 220V alternating current, the other end of the transformer T2 is connected with the bridge rectifier D2, the bridge rectifier D2 is connected with the capacitor C4, the capacitor C3, the capacitor C7 and the capacitor C8 in parallel, and the capacitor C4, the capacitor C3, the capacitor C7 and the capacitor C8 are connected with the charger detection circuit through the key S1.

[0013] Further, the charger detection circuit comprises a voltage stabilizing chip U1, a resistor R3, a resistor R4, a resistor R1, a resistor R3, an operational amplifier U3A and a MOS tube Q2, one end of the voltage stabilizing chip U1 is connected with the full-bridge rectifier circuit through the key S1, the other end of the voltage stabilizing chip U1 is connected with the resistor R4 and the operational amplifier U3A respectively, the resistor R4 is also connected with the operational amplifier U3A, and the operational amplifier U3A is also connected with the resistor R1, the resistor R3 and the MOS tube Q2 respectively.

[0014] Further, the load detection circuit further comprises a capacitor C9 and a capacitor C10, one end of the voltage stabilizing chip U1 is connected with the capacitor C9 and the capacitor C10 in parallel, and the other end of the voltage stabilizing chip U1 is connected with the burglar alarm detection circuit.

[0015] Further, the burglar alarm detection circuit comprises a lamp X1, a resistor R2 and a capacitor C12, one end of the lamp X1 is connected with the capacitor C9 and the capacitor C10 respectively, the other end of the lamp X1 is connected with the ground through the resistor R2 and the capacitor C12 in sequence, the resistor R2 and the capacitor C12 are further provided with the key S2, and the key S2 is connected with one end of the voltage stabilizing chip U1.

[0016] Further, the converter detection circuit comprises a voltage stabilizing chip U2, a capacitor C11 and a capacitor C13, one end of the voltage stabilizing chip U2 is connected with the key S2, and the other end of the voltage stabilizing chip U2 is connected with the capacitor C11 and the capacitor C13 in parallel respectively.

[0017] Compared with the prior art, the electric bicycle load detection device has the following advantages:

[0018] The electric bicycle load detection device, compared with the prior art, has 20 times efficiency improvement, device plastic shell packaging, plug-in connection protection circuit, safe double insurance, increases the handle for convenient carrying, increases the detection coverage, reduces the blind area of inspection, shortens the detection time, optimizes the detection process. BRIEF DESCRIPTION OF DRAWINGS

[0019] The drawings constituting a part of the present application serve to provide a further understanding of the present application, and the illustrative embodiments of the present application and the description thereof serve to explain the present application, and do not constitute an improper limitation on the present application. In the drawings:

[0020] Fig. 1 The whole structure schematic view is described in the embodiment of the present application;

[0021] Fig. 2 The whole structure front view schematic view is described in the embodiment of the present application;

[0022] Fig. 3 The whole structure rear view schematic view is described in the embodiment of the present application;

[0023] Fig. 4 The load detection circuit schematic view is described in the embodiment of the present application.

[0024] Explanation of reference signs:

[0025] 1, detection shell; 11, ventilation window; 12, trigger switch; 13, power socket; 2, detection handle;

[0026] 3, display screen. DETAILED DESCRIPTION

[0027] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0028] In the description of the utility model, it is necessary to understand that the orientation or positional relation indicated by the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relation shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features.In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0029] In the description of the utility model, it should be explained that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication inside two elements.The above-mentioned terms in the utility model can be understood by the specific meaning of the above-mentioned terms in the utility model by the specific situation for the ordinary skilled in the art.

[0030] The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0031] As Figs. 1 to 4 Indicated, the electric bicycle load detection device, including detection casing 1, detection handle 2, display screen 3 and detection circuit board, detection casing 1 top installs display screen 3, and detection casing 1 top one side installs detection handle 2, and detection casing 1 inside installs detection circuit board, and detection circuit board top is equipped with load detection circuit;

[0032] The load detection circuit includes full-bridge rectifier circuit, charger detection circuit, converter detection circuit and burglar alarm detection circuit, one end of the full-bridge rectifier circuit is connected with 220V alternating current, the other end of the full-bridge rectifier circuit is connected with the full-bridge rectifier circuit, and the full-bridge rectifier circuit is connected with the charger detection circuit, the converter detection circuit and the burglar alarm detection circuit respectively.

[0033] The utility model has the advantages of:

[0034] The efficiency is improved by 20 times compared with the previous one, the device is plastic shell packaging, plug-in connection protection circuit, safe double insurance, increases the handle for convenient carrying, increases the detection coverage, reduces the inspection blind area, shortens the detection time, optimizes the detection process, a variety of parts are detected synchronously, interference is verified simultaneously, the performance of the electrical device is comprehensively detected, and the device is independently designed. According to the function of the parts, the device can be upgraded again, has high expandability, can be popularized to various bases, and is gradually put into use in external inspection, inspection, opening box and group quality center. Each device can save 3,000 yuan, improve the detection capacity, reduce the return rate, and serve global users.

[0035] In a preferred embodiment of the utility model, the detection shell 1 side is also provided with ventilation window 11, ventilation window 11 is used to cool the device inside detection shell 1, avoids that device operating temperature is too high and influences detection accuracy.

[0036] In a preferred embodiment of the utility model, the detection shell 1 other side is equipped with trigger switch 12, trigger switch 12 is used to control load detection start and close.In actual use, staff can control the opening and closing of load detection work through detection switch 12.

[0037] In a preferred embodiment of the utility model, the detection shell 1 other side is also provided with power socket 13, and power socket 13 is externally connected with power cord to supply power to the device.

[0038] In a preferred embodiment of the utility model, the full-bridge rectifier circuit includes transformer T1, bridge rectifier D1, capacitor C1, capacitor C2, capacitor C5 and capacitor C6, one end of transformer T1 is connected with 220V alternating current, the other end of transformer T1 is connected with bridge rectifier D1, and bridge rectifier D1 is connected with capacitor C2, capacitor C1, capacitor C5 and capacitor C6 in parallel, and then is connected with charger detection circuit, converter detection circuit and burglar alarm detection circuit respectively.In actual use, a multimeter XMM1 can be externally connected with the circuit where bridge rectifier D1 is located, and the circuit can be detected in cooperation with the subsequent charger detection circuit, converter detection circuit and burglar alarm detection circuit.

[0039] In a preferred embodiment of the utility model, the full-bridge rectifier circuit includes transformer T2, bridge rectifier D2, capacitor C4, capacitor C3, capacitor C7 and capacitor C8, one end of transformer T2 is connected with 220V alternating current, the other end of transformer T2 is connected with bridge rectifier D2, bridge rectifier D2 is connected with capacitor C4, capacitor C3, capacitor C7 and capacitor C8 in parallel, and then is connected with charger detection circuit through key S1.In actual use, a multimeter XMM2 can be externally connected with the circuit where bridge rectifier D2 is located, and the circuit can be detected in cooperation with the subsequent charger detection circuit.

[0040] In the preferred embodiment of the utility model, the charger detection circuit includes voltage stabilizing chip U1, resistance R3, resistance R4, resistance R1, resistance R3, operational amplifier U3A and MOS tube Q2, one end of the voltage stabilizing chip U1 is connected to the full-bridge rectifier circuit through key S1, the other end of the voltage stabilifying chip U1 is connected to resistance R4 and operational amplifier U3A respectively, resistance R4 is also connected to operational amplifier U3A, operational amplifier U3A is also connected to resistance R1, resistance R3 and MOS tube Q2 respectively. In the embodiment, the alternating current of commercial power is converted into direct current through the full-bridge rectifier circuit, and then filtered by the parallel circuit of electrolytic capacitor and general capacitor. Because the current after the rectification from alternating current to direct current is in sinusoidal waveform, the voltage outputted by the rectifier bridge has great fluctuation between 0-48V, which is not conducive to the normal work of the detected electrical device, and the filtering is to convert the fluctuating voltage into constant voltage of 48V to supply power to each module in the device. The 48V direct current is converted into 12V power in the converter to supply power to the core module - electronic load module, and finally the electronic load module displays the result on the liquid crystal screen.

[0041] In the preferred embodiment of the utility model, the load detection circuit further includes capacitor C9 and capacitor C10, and the voltage stabilizing chip U1 is connected to the anti-theft device detection circuit after being connected in parallel with capacitor C9 and capacitor C10.

[0042] In the preferred embodiment of the utility model, the anti-theft device detection circuit includes lamp X1, resistance R2 and capacitor C12, one end of the lamp X1 is connected to capacitor C9 and capacitor C10 respectively, the other end of the lamp X1 is connected to ground in sequence through resistance R2 and capacitor C12, and key S2 is arranged between resistance R2 and capacitor C12, and the key S2 is connected to one end of the voltage stabilizing chip U1.

[0043] In the preferred embodiment of the utility model, the converter detection circuit includes voltage stabilizing chip U2, capacitor C11 and capacitor C13, one end of the voltage stabilizing chip U2 is connected to key S2, and the other end of the voltage stabilizing chip U2 is connected to capacitor C11 and capacitor C13 in parallel respectively, and in actual use, the converter detection circuit can be externally connected with a multimeter XMM3.

[0044] The working principle of the electric bicycle load detection device is as follows:

[0045] In the use of the device detection, first, the measured charger is inserted into the load detection circuit corresponding to the detection hole, press the trigger switch 12, then adjust the current size (detection shell 1 is provided with the knob of adjusting the current size), can simulate the charger charging process, observe the screen to determine whether the charger can normally trigger work, charging voltage, charging current whether meet the enterprise standard, the current and trickle voltage whether meet the requirements. Can be adjusted by the adjustment knob of the device to adjust the internal resistance of the electronic load module until the charger green light, trickle charging, and finally again to observe the display screen results to determine the product good or bad.

[0046] At the same time, the device also integrates the converter and 6PIN burglar alarm test module. In order to be applicable to more point detection scene.

[0047] The converter is inserted into the load detection circuit corresponding test hole, open the conversion switch (key S1 / key S2), start testing the converter, and then display the data on the display screen, the voltage, current and power data of the converter, the burglar alarm is inserted into the load detection circuit corresponding test hole, press the remote handle, and whether the burglar alarm is observed, and then use the decibel tester to test whether it meets the enterprise standard decibel.

[0048] It should be noted that the control program is not improved, and the control program and the electrical device are prior art.

[0049] The above only describes the preferred embodiments of the present application, and does not limit the present application. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An electric bicycle load detection device, characterized by: The utility model relates to a load detection device, including detection casing, detection handle, display screen and detection circuit board, display screen is installed at the top of detection casing, detection handle is installed at one side of detection casing top, and detection circuit board is installed inside detection casing, and load detection circuit is equipped above detection circuit board, The load detection circuit comprises a full-bridge rectifier circuit, a charger detection circuit, a converter detection circuit and an anti-theft device detection circuit, one end of the full-bridge rectifier circuit is connected with 220V alternating current, the other end of the full-bridge rectifier circuit is connected with the full-bridge rectifier circuit, and the full-bridge rectifier circuit is connected with the charger detection circuit, the converter detection circuit and the anti-theft device detection circuit respectively.

2. The electric bicycle load detection device of claim 1, wherein: The detection casing is further provided with a ventilation window on one side.

3. The electric bicycle load detection device of claim 1, wherein: A trigger switch is installed on the other side of the detection casing and is used to control the start and shutdown of load detection.

4. The electric bicycle load detection device of claim 1, wherein: A power socket is further provided on the other side of the detection casing, and a power line is connected to the power socket to supply power to the device.

5. The electric bicycle load detection device of claim 1, wherein: The full-bridge rectifier circuit comprises a transformer T1, a bridge rectifier D1, capacitors C1, C2, C5 and C6, one end of the transformer T1 is connected with 220V alternating current, the other end of the transformer T1 is connected with the bridge rectifier D1, the bridge rectifier D1 is connected in parallel with the capacitors C2, C1, C5 and C6, and the capacitors C2, C1, C5 and C6 are connected with the charger detection circuit, the converter detection circuit and the anti-theft device detection circuit respectively through a switch S1.

6. The electric bicycle load detection device of claim 1, wherein: The full-bridge rectifier circuit comprises a transformer T2, a bridge rectifier D2, capacitors C4, C3, C7 and C8, one end of the transformer T2 is connected with 220V alternating current, the other end of the transformer T2 is connected with the bridge rectifier D2, the bridge rectifier D2 is connected in parallel with the capacitors C4, C3, C7 and C8, and the capacitors C4, C3, C7 and C8 are connected with the charger detection circuit through the switch S1.

7. The electric bicycle load detection device of claim 1, wherein: The charger detection circuit comprises a voltage stabilizing chip U1, resistors R3, R4, R1, R3, an operational amplifier U3A and a MOS tube Q2, one end of the voltage stabilizing chip U1 is connected with the full-bridge rectifier circuit through the switch S1, the other end of the voltage stabilizing chip U1 is connected with the resistor R4 and the operational amplifier U3A respectively, the resistor R4 is further connected with the operational amplifier U3A, and the operational amplifier U3A is further connected with the resistor R1, the resistor R3 and the MOS tube Q2 respectively.

8. The electric bicycle load detection device of claim 1, wherein: The load detection circuit further comprises capacitors C9 and C10, one end of the voltage stabilizing chip U1 is connected with the capacitors C9 and C10 in parallel, and the capacitors C9 and C10 are connected with the anti-theft device detection circuit.

9. The electric bicycle load detection device of claim 1, wherein: The anti-theft device detection circuit comprises a lamp X1, a resistor R2 and a capacitor C12, one end of the lamp X1 is connected with the capacitors C9 and C10 respectively, the other end of the lamp X1 is connected with the resistor R2 and the capacitor C12 in sequence and then grounded, a switch S2 is further arranged between the resistor R2 and the capacitor C12, and one end of the switch S2 is connected with the voltage stabilizing chip U1.

10. The electric bicycle load detection device of claim 1, wherein: The converter detection circuit comprises a voltage stabilizing chip U2, a capacitor C11 and a capacitor C13, one end of the voltage stabilizing chip U2 is connected with the switch S2, and the other end of the voltage stabilizing chip U2 is connected with the capacitor C11 and the capacitor C13 in parallel respectively.

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