CN207675905U - A kind of cell measuring clamp - Google Patents

Abstract

The utility model is related to clamp arts, espespecially a kind of cell measuring clamp, the utility model includes battery tray, external cabling socket and battery test apparatus, it is equipped with first voltage in battery tray and detects shrapnel, second voltage detects shrapnel, first charge and discharge shrapnel, second charge and discharge shrapnel, shrapnel is detected by first voltage, second voltage detection shrapnel is drawn external connecting leads and is connect with host voltage test side, first charge and discharge shrapnel, second charge and discharge shrapnel is drawn external connecting leads and is connect with host charge-discharge end, an effect being isolated separately independently may be implemented with voltage sense line using charge and discharge electric line, detection voltage can be allowed to be separated with equipment output voltage, avoiding the variable of voltage and current in charge and discharge process is influenced by the perceptual fictitious load such as cable internal resistance caused by the accuracy of test result.

Description

A kind of cell measuring clamp

Technical field

The utility model is related to clamp art, espespecially a kind of cell measuring clamp.

Background technology

Battery industry developed rapidly in recent years, and the performance parameter of battery is also paid attention to by society.

Traditional cell measuring clamp is two line cell measuring clamps, and battery is clamped and is detected by two by battery clamp Line is connect with test equipment, and this cell measuring clamp is unable to control the length of cable between battery clamp and test equipment, institute With the false load of internal resistance and LC that in carrying out charge and discharge process, cable will produce, charging/discharging voltage electric current also can be with filling Discharge process changes, this process can cause the virtual voltage of two line battery clamp host voltage test sides and battery-end to generate Difference is only used for test of less demanding so measuring accuracy is not high.

Invention content

To solve the above problems, the utility model provides a kind of cell measuring clamp, the voltage of detection is not by charging current And the influence of voltage swing, measuring accuracy are high.

To achieve the above object, the technical solution adopted in the utility model is：A kind of cell measuring clamp includes battery Test equipment, pcb board, battery tray, external cabling socket, the both sides in battery tray are equipped with battery contact flat spring, battery tray setting On pcb board, battery test apparatus is equipped with host voltage test side and host charge-discharge end, and external cabling socket is arranged in PCB The back side of plate is simultaneously connect with pcb board, and host voltage test side, host charge-discharge end are plugged on respectively on external cabling socket, In, the battery contact flat spring includes first voltage detection shrapnel, second voltage detection shrapnel, the first charge and discharge shrapnel, the The side in battery tray, second voltage detection is arranged in two charge and discharge shrapnels, first voltage detection shrapnel, the first charge and discharge shrapnel The other side in battery tray is arranged in shrapnel, the second charge and discharge shrapnel, and it is logical that first voltage detects shrapnel, second voltage detection shrapnel Pcb board is crossed to connect with the voltage detecting anode of host voltage test side and voltage detecting cathode respectively through external cabling socket, the The battery of one charge and discharge shrapnel, the second charge and discharge shrapnel by pcb board through external cabling socket respectively with host charge-discharge end fills The Anode and battery charge and discharge cathode that discharges connects.

Further, the inside of the battery tray is equipped with buckle.

Further, the battery tray is welded on pcb board.

Further, the buckle sets there are four and is correspondingly arranged at the both sides of battery tray two-by-two.

Further, the battery tray is the battery tray of No. 5 models.

The beneficial effects of the utility model are：The utility model includes battery tray, external cabling socket and battery Test equipment, battery tray is interior to be filled equipped with first voltage detection shrapnel, second voltage detection shrapnel, the first charge and discharge shrapnel, second Discharge shrapnel, detects shrapnel by first voltage, second voltage detects shrapnel and draws external connecting leads and host voltage detection End connection, the first charge and discharge shrapnel, the second charge and discharge shrapnel are drawn external connecting leads and are connect with host charge-discharge end, using filling An effect being isolated separately independently may be implemented with voltage sense line in discharge line, and detection voltage can be allowed to be exported with equipment Voltage separates, and avoids the variable of voltage and current in charge and discharge process by the perceptual fictitious load such as cable internal resistance to test result Influence caused by accuracy directly carries out pure voltage acquisition, since host voltage is examined using voltage sense line to battery both ends Survey end and do not have the effects of charge and discharge, by electric current stablize, the result of acquisition is more accurate, solves host voltage test side Difference is led to the problem of with the virtual voltage of battery-end, measuring accuracy is high, and host voltage test side, host charge-discharge end are inserted respectively Be connected on external cabling socket, first voltage detect shrapnel, second voltage detection shrapnel by pcb board through external cabling socket with Host voltage test side connects, and the first charge and discharge shrapnel, the second charge and discharge shrapnel are by pcb board through external cabling socket and host Charge-discharge end connects, and can improve the efficiency to battery detecting, while realizing wired detection and the effect wirelessly to inserting detection.

Description of the drawings

Fig. 1 is the principles of the present invention figure.

Fig. 2 is the structure chart of the utility model.

Fig. 3 is the structure chart of battery tray in the utility model.

Drawing reference numeral explanation：1. battery test apparatus；2. battery contact flat spring；21. first voltage detects shrapnel；22. Second voltage detects shrapnel；23. the first charge and discharge shrapnel；24. the second charge and discharge shrapnel；3. pcb board；4. battery tray；41. Buckle；5. external cabling socket.

Specific implementation mode

Please refer to Fig.1 shown in -2, the utility model about a kind of cell measuring clamp, include battery test apparatus 1, Pcb board 3, battery tray 4, external cabling socket 5, the both sides in battery tray 4 are equipped with battery contact flat spring 2, and the setting of battery tray 4 exists On pcb board 3, battery test apparatus 1 is equipped with host voltage test side and host charge-discharge end, and external cabling socket 5 is arranged in PCB The back side of plate 3 is simultaneously connect with pcb board 3, and host voltage test side, host charge-discharge end are plugged on respectively on external cabling socket 5, Wherein, the battery contact flat spring 2 includes first voltage detection shrapnel 21, second voltage detection shrapnel 22, the first charge and discharge Shrapnel 23, the second charge and discharge shrapnel 24, first voltage detection shrapnel 21, the first charge and discharge shrapnel 22 are arranged in battery tray 4 The other side in battery tray 4, first voltage detection is arranged in side, second voltage detection shrapnel 23, the second charge and discharge shrapnel 24 Shrapnel 21, second voltage detection shrapnel 22 are by pcb board 3 through the voltage with host voltage test side respectively of external cabling socket 5 Detection anode is connected with voltage detecting cathode, and the first charge and discharge shrapnel 23, the second charge and discharge shrapnel 24 are by pcb board 3 through outside Connector socket 5 is connect with the battery charging and discharging Anode and battery charge and discharge cathode of host charge-discharge end respectively.

As shown in fig.3, further, the inside of the battery tray 4 is equipped with buckle 41, using the above scheme, passes through card Button 41 makes battery be secured firmly in battery tray 4.

Further, the battery tray 4 is welded on pcb board 3, using the above scheme, can not only be fixed by welding The position of battery tray 4, while keeping battery contact flat spring 2 in battery tray 4 and the connection of pcb board 3 more stable.

Further, the buckle 41 sets there are four and is correspondingly arranged at two-by-two the both sides of battery tray 4, using above-mentioned side Case for making battery be further secured in battery tray 4, and keeps the connection of battery and battery contact flat spring 2 more stable.

Further, the battery tray 4 is that the battery tray 4 of No. 5 models using the above scheme can when detecting No. 5 batteries To reduce the error to No. 5 battery testing data.

1. battery test apparatus；2. battery contact flat spring；21. first voltage detects shrapnel；22. second voltage detects Shrapnel；23. the first charge and discharge shrapnel；24. the second charge and discharge shrapnel；3. pcb board；4. battery tray；41. buckle；Outside 5. Connector socket.

The use principle of the utility model, the utility model include that battery tray 4, external cabling socket 5 and battery are surveyed Try equipment 1, be equipped in battery tray 4 first voltage detection shrapnel 21, second voltage detection shrapnel 22, the first charge and discharge shrapnel 23, Second charge and discharge shrapnel 24, by first voltage detect shrapnel 21, second voltage detect shrapnel 22 draw external connecting leads with Host voltage test side connects, and the first charge and discharge shrapnel 23, the second charge and discharge shrapnel 24 draw external connecting leads and host fills Discharge end connects, and an effect being isolated, Ke Yirang separately independently may be implemented with voltage sense line using charge and discharge electric line Detection voltage is separated with equipment output voltage, and the variable for avoiding voltage and current in charge and discharge process passes through the perception such as cable internal resistance Fictitious load is influenced caused by the accuracy of test result, and directly carrying out pure voltage to battery both ends using voltage sense line adopts Collection, since host voltage test side does not have the effect of charge and discharge, by electric current stablize, the result of acquisition is more accurate, solution The virtual voltage for host voltage test side and the battery-end of having determined leads to the problem of difference, and measuring accuracy is high, host voltage test side, Host charge-discharge end is plugged on respectively on external cabling socket 5, and it is logical that first voltage detects shrapnel 21, second voltage detection shrapnel 22 It crosses pcb board 3 to connect with host voltage test side through external cabling socket 5, the first charge and discharge shrapnel 23, the second charge and discharge shrapnel 24 It is connect with host charge-discharge end through external cabling socket 5 by pcb board 3, the efficiency to battery detecting can be improved, realized simultaneously Wired detection and the effect wirelessly to inserting detection.

As the more excellent mode of this specific embodiment, pcb board 3 is equipped with the battery tray mounting hole of different spacing, if needed Different cylindrical battery specifications is tested, battery tray 4 of corresponding size is only needed to change.

As the more excellent mode of this specific embodiment, first voltage detects shrapnel 21, second voltage detection shrapnel 22 is distinguished The conducting wire being connect with host voltage test side is detection conducting wire, and the static resistance detected in conducting wire has metastable resistance value.

Embodiment of above is only that preferred embodiments of the present invention are described, not to the utility model Range be defined, under the premise of not departing from the spirit of the design of the utility model, this field ordinary engineering and technical personnel to this The various modifications and improvement that the technical solution of utility model is made should all fall into the guarantor that claims of the utility model determine It protects in range.

Claims (5)

1. a kind of cell measuring clamp, which is characterized in that include battery test apparatus, pcb board, battery tray, external cabling insert , the both sides in battery tray are equipped with battery contact flat spring, and battery tray is arranged on pcb board, and battery test apparatus is equipped with host electricity Pressure test side and host charge-discharge end, external cabling socket are arranged at the back side of pcb board and are connect with pcb board, host voltage inspection Survey end, host charge-discharge end is plugged on respectively on external cabling socket, wherein the battery contact flat spring includes first voltage Shrapnel, second voltage detection shrapnel, the first charge and discharge shrapnel, the second charge and discharge shrapnel are detected, first voltage detects shrapnel, first The side in battery tray is arranged in charge and discharge shrapnel, and second voltage detects shrapnel, the second charge and discharge shrapnel is arranged in battery tray The other side, first voltage detect shrapnel, second voltage detection shrapnel by pcb board through external cabling socket respectively with host electricity The voltage detecting anode of pressure test side is connected with voltage detecting cathode, and the first charge and discharge shrapnel, the second charge and discharge shrapnel pass through PCB Plate is connect with the battery charging and discharging Anode and battery charge and discharge cathode of host charge-discharge end respectively through external cabling socket.

2. a kind of cell measuring clamp according to claim 1, which is characterized in that the inside of the battery tray is equipped with card Button.

3. a kind of cell measuring clamp according to claim 1, which is characterized in that the battery tray is welded on pcb board.

4. a kind of cell measuring clamp according to claim 2, which is characterized in that there are four the buckle is set and right two-by-two It should be arranged in the both sides of battery tray.

5. a kind of cell measuring clamp according to claim 2, which is characterized in that the battery tray is the electricity of No. 5 models Stall.