CN218297844U - Battery protection grade detection device - Google Patents
Battery protection grade detection device Download PDFInfo
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- CN218297844U CN218297844U CN202222367634.3U CN202222367634U CN218297844U CN 218297844 U CN218297844 U CN 218297844U CN 202222367634 U CN202222367634 U CN 202222367634U CN 218297844 U CN218297844 U CN 218297844U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The application provides a battery protection level detection device for detect the battery, battery protection level detection device includes: the first connecting piece is used for connecting with the anode of the battery to be tested; the second connecting piece is used for connecting the negative electrode of the battery to be tested; the interlocking switch is provided with a first branch end, a second branch end and a trunk end, the first branch end is connected with the first connecting piece, the second branch end is connected with the second connecting piece, and the trunk end is connected with the first branch end or the second branch end; and a piercing member connected to the trunk end for contacting or piercing the battery; and the indicator is connected between the trunk end and the puncture piece and used for indicating the charged state of the battery. The application provides a battery protection level detection device has solved the comparatively loaded down with trivial details and unsafe problem of operations such as pencil connection when battery protection level detects.
Description
Technical Field
The application relates to the technical field of battery correlation, in particular to a battery protection level detection device.
Background
The battery is used as a core component of a power system, and the safety of the battery is particularly important. If the protection level of the module, the battery system and the new energy automobile is not enough in the production and maintenance processes, electric shock, short circuit, electric leakage and the like are likely to occur, and the safety of personnel and the safety of the environment are endangered. Therefore, a battery protection level detection device capable of detecting the IPXXB protection level of the battery needs to be designed, and the problem that the battery protection level detection device is complex in operation and even unsafe when wires connected with the positive electrode and the negative electrode of the battery need to be frequently plugged and pulled in the process of detecting the battery is solved.
SUMMERY OF THE UTILITY MODEL
An object of this application is to provide a battery protection level detection device to the comparatively loaded down with trivial details and unsafe problem of operation such as pencil connection when solving battery protection level and detecting.
In order to achieve the above purpose, the present application provides the following technical solutions:
a battery protection level detection device for detecting a battery to be tested, the battery to be tested including a positive electrode and a negative electrode, the battery protection level detection device comprising:
the first connecting piece is used for being connected with the anode of the battery to be tested; and
the second connecting piece is used for connecting with the negative electrode of the battery to be tested; and
the interlocking switch is provided with a first branch end, a second branch end and a trunk end, wherein the first branch end is connected with the first connecting piece, the second branch end is connected with the second connecting piece, and the trunk end is connected with the first branch end or the trunk end is connected with the second branch end; and
the puncture piece is connected with the trunk end and is used for contacting or puncturing the battery to be tested; and
and the indicator is connected between the trunk end and the puncture piece and is used for indicating the charged state of the battery.
In some embodiments of the present application, the piercing member is a hinged trial finger;
the articulated test finger comprises a root part and a head part which are connected, the root part of the articulated test finger is connected with the indicator, and the head part of the articulated test finger is used for contacting or penetrating the battery.
In some embodiments of the present application, the head of the articulating test finger has a length of 50 to 100mm and a diameter of 5 to 25mm.
In some embodiments of the present application, an end of the root portion facing away from the head portion is circumferentially provided with an insulating barrier disk.
In some embodiments of this application, the piercing part has dynamics detection module, dynamics detection module with the root of articulated examination finger is connected, dynamics detection module is used for detecting articulated examination finger pierces the numerical value size of the power of piercing of battery.
In some embodiments of the present application, the interlock switch further comprises a linkage, a first contact, a second contact, a third contact, a fourth contact;
the first contact and the second contact are both connected with the trunk end, the third contact is connected with the first branch end, and the fourth contact is connected with the second branch end;
and one end of the connecting rod is fixedly provided with a connecting rod contact, the connecting rod contact is provided with a first working position and a second working position, the connecting rod contact is connected with the first contact and the third contact at the first working position, and the connecting rod contact is connected with the second contact and the fourth contact at the second working position.
In some embodiments of the present application, the interlock switch further comprises a housing, a pressing member, and an elastic restoring member;
the shell is provided with a cavity and an opening, the connecting rod penetrates through the opening and extends into the cavity, and the connecting rod contact is arranged at one end of the connecting rod extending into the cavity;
the first contact, the second contact, the third contact and the fourth contact are arranged in the shell in a penetrating mode and extend into the cavity, and the first working position and the second working position are located in the cavity;
the pressing piece is fixedly arranged on one end of the connecting rod, which is far away from the shell;
the elastic resetting piece is arranged on the periphery of the connecting rod in a surrounding mode and is clamped between the pressing piece and the shell.
In some embodiments of the present application, the cavity is cylindrical and has a radial direction, the first contact and the third contact are disposed opposite to each other in the radial direction of the cavity, and the second contact and the fourth contact are disposed opposite to each other in the radial direction of the cavity.
In some embodiments of the present application, the battery protection level detection apparatus further comprises a handle;
the handle comprises a shell and an inner cavity, and the interlocking switch and the indicator are accommodated in the inner cavity of the handle;
the handle is characterized in that a first through groove is formed in the shell of the handle in a penetrating mode, the first through groove is communicated with the inner cavity and corresponds to the opening of the interlocking switch, and one end, deviating from the cavity of the interlocking switch, of the connecting rod penetrates through the first through groove and deviates from the shell to extend.
In some embodiments of the present application, the indicator is a voltmeter.
The beneficial effect of this application is:
1. according to the battery protection grade detection device, after the first connecting piece is connected with the anode of the battery to be detected and the second connecting piece is connected with the cathode of the battery to be detected, the puncture piece is made to contact with and puncture the battery to be detected, and the indicator is respectively connected between the battery puncture part and the anode of the battery and between the battery puncture part and the cathode of the battery by controlling and switching the interlocking switch; namely, the detection device can simplify the operation flow of battery detection by operating the switching interlock switch, and solves the problem that the connection piece of the detection device and the positive and negative electrodes of the battery need to be manually and frequently plugged and pulled in the prior art; particularly, after the battery is pierced, danger such as electric sparks can occur, and the device can provide safety guarantee for detection personnel when the detection process is simplified, so that accidents are reduced.
2. The utility model provides an interlocking switch among detection device, simple structure is reliable, can realize the break-make between trunk end and first branch road end, the second branch road end conveniently, thereby conveniently make the indicator connect and pierce through between position and battery positive pole or negative pole in the battery, make the indicator detect the department and pierce through the electrified state between position and the positive negative pole, provide reliable experimental data reference for the design optimization of battery, the testing process has also been simplified simultaneously, unnecessary if cable plug scheduling problem has been reduced.
3. This application adopts the pilot lamp in order to judge whether the battery accords with IPXXB protection standard and the grade that reaches, and is simple and clear, and applicable scene is extensive.
4. This application adopts the voltmeter as the indicator, can make the battery protection level detection device that this application provided detect in real time and show the test result of battery to judge more directly perceivedly whether surveyed battery is electrified and its electrified voltage state, so that the performance and the state of surveyed battery can be mastered better to the detection personnel, and then provide the reference for the design of battery, optimization and relevant manufacturing process.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic diagram of a battery protection level detection apparatus according to an embodiment of the present disclosure;
FIG. 2 is a schematic structural diagram of the battery protection level detection apparatus in FIG. 1;
fig. 3 is a schematic structural diagram of an interlock switch of the battery protection level detection apparatus in fig. 2.
The main reference numbers in the drawings accompanying the present specification are as follows:
1-a first connector;
2-a second connector;
3-an interlock switch; 301-first branch end; 302-second branch end; 303-trunk end; 304-a housing; 3041-a cavity; 3042-opening; 305-a connecting rod; 3051-a link contact; 306-a first contact; 307-a second contact; 308-a third contact; 309-a fourth contact; 310-a press; 311-elastic reset piece;
4-a piercing member; 401-root; 402-a head; 403-force detection module; 404-an insulating barrier disc;
5-an indicator; 501-display area;
6-a handle; 601-a housing; 602-a first through-going slot; 603-a second through slot;
7-a battery; 701-positive pole; 702-negative electrode.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely below, and it should be understood that the described embodiments are only a part of the embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The present application provides a battery protection level detection apparatus, which is described in detail below. It should be noted that the following description of the embodiments is not intended to limit the preferred order of the embodiments of the present application. In the following embodiments, the description of each embodiment has its own emphasis, and reference may be made to the related description of other embodiments for parts that are not described in detail in a certain embodiment.
As shown in fig. 1 and 2, in some embodiments of the present application, a battery protection level detection apparatus for detecting a battery 7, the battery 7 includes a positive electrode 701 and a negative electrode 702, and the battery protection level detection apparatus includes: a first connecting member 1 for connecting with a positive electrode 701 of a battery to be tested; and a second connecting member 2 for connecting with the negative electrode 702 of the battery to be tested; the interlocking switch 3 is provided with a first branch end 301, a second branch end 302 and a trunk end 303, the first branch end 301 is connected with the first connecting piece 1, the second branch end 302 is connected with the second connecting piece 2, and the trunk end 303 is connected with the first branch end 301 or the second branch end 302; and a piercing member 4 connected to the trunk end 303 for contacting or piercing the battery 7; and an indicator 5 connected between the trunk end 303 and the puncture element 4, for indicating the charged state of the battery 7. When the protection grade of the battery 7 is detected, the free end of the first connecting piece 1 is connected with the positive pole 701 of the battery 7, the free end of the second connecting piece 2 is connected with the negative pole 702 of the battery 7, the puncture piece 4 is contacted or punctured into the battery 7 to form electric connection, the circuit is switched by operating the interlocking switch 3, so that the indicator 5 is connected between the positive pole 701 and the puncture piece 4, or the indicator 5 is connected between the negative pole 702 and the puncture piece 4, and the indicator 5 indicates whether the puncture piece 4 is punctured into the battery 7 or not, and can also indicate the charged state of a punctured area of the battery 7, so that a tester can obtain the performance of the battery 7 through data measured by the indicator 5, and provide experimental data reference for subsequent optimization design. It is understood that the device provided by the present application can also detect the presence or absence of a break in the outer surface of the battery 7 and thus leakage of electricity, when the piercing member 4 does not pierce the battery 7 but merely contacts each other.
In the existing battery puncture detection, wires between a battery protection level detection device and a positive electrode and a negative electrode of a battery and between the battery protection level detection device and a puncture part are frequently required to be frequently plugged and unplugged and switched, so that the detection operation is very complicated, and the safety of a tester is endangered due to the danger of electric leakage and the like caused by the need of puncturing the battery. According to the battery protection level detection device, the electric connection path of the indicator 5 of the battery protection level detection device is rapidly switched through the interlocking switch 3, so that the indicator 5 can be rapidly switched between the cathode of the battery and the puncture part and detect the voltage between the cathode of the battery and the puncture part after being connected between the anode of the battery and the puncture part and detecting the voltage between the anode of the battery and the puncture part, therefore, the problems that wiring harness connection and other operations are complex and unsafe in the existing battery detection operation are solved, and the detection efficiency is also improved.
In some embodiments of the present application, the first connector 1 and/or the second connector 2 may employ a wire as a specific embodiment.
In some embodiments of the present application, as shown in fig. 2, the piercing member 4 is a hinged finger; the articulated test finger comprises a root 401 and a head 402 connected, the root 401 of the articulated test finger being connected to the indicator 5 and the head 402 of the articulated test finger being adapted to contact or penetrate the battery 7. In some embodiments of the present application, the hinge finger is made of a metal material or a conductive material, and an insulating protective layer is disposed on the outer circumferential surface of the root 401 of the hinge finger to prevent a tester from getting an electric shock.
It can be understood that what size of the hinge finger can be selected and adjusted according to actual requirements, for example, a cylindrical finger with a diameter of 5-25 mm and a length of 50-100 mm of the head 402 can be used, the diameter of the head 402 can also be 1-15 mm or 10-30 mm, and the length of the head 402 can also be 30-70 mm or 60-125 mm; in other embodiments of the present application, the piercing member 4 may take the form of a finger of other shapes.
As shown in fig. 2, in some embodiments of the present application, an insulating barrier 404 is circumferentially disposed around an end of the root 401 of the hinged finger facing away from the head 402, and the insulating barrier 404 can prevent the damage of the battery 7 from causing an electric spark to hurt people, thereby improving the safety of the detection apparatus.
As shown in fig. 2, in some embodiments of the present application, the puncturing element has a force detecting module 403, the force detecting module 403 is connected to the root portion 401 of the hinged finger, the force detecting module 403 is used to detect the magnitude of the puncturing force when the hinged finger pierces the battery 7, and the magnitude of the puncturing force is selected and adjusted according to the actual situation, for example, the magnitude of the puncturing force may be 10 ± 0.1N, 10 ± 1N, 15 ± 5N, or 20 ± 10N. In some embodiments of the present application, the force detection module 403 has a display screen, which can display the magnitude of the piercing force, so as to facilitate the reading of data by the tester.
As shown in fig. 3, in some embodiments of the present application, the interlock switch 3 further comprises a link 305, a first contact 306, a second contact 307, a third contact 308, a fourth contact 309; the first contact 306 and the second contact 307 are both connected to the trunk end 303, the third contact 308 is connected to the first branch end 301, and the fourth contact 309 is connected to the second branch end 302; a link contact 3051 is fixedly disposed at one end of the link 305, the link contact 3051 has a first working position and a second working position, the link contact 3051 is connected to the first contact 306 and the third contact 308 at the first working position, and the link contact 3051 is connected to the second contact 307 and the fourth contact 309 at the second working position. When the tie-bar contact 3051 is located at the first working position, the tie-bar contact 3051 connects and conducts the first contact 306 and the third contact 308; when the tie-bar contact 3051 is located at the second working position, the tie-bar contact 3051 connects and conducts the second contact 307 and the fourth contact 309; therefore, the trunk end 303, the first branch end 301 and the second branch end 302 are convenient to switch, frequent plugging of wires connected with the positive electrode and the negative electrode of the battery can be avoided, the operation process of battery detection can be simplified by only controlling the interlocking switch, safety guarantee is provided for detection personnel, and safety accidents are reduced.
As shown in fig. 3, in some embodiments of the present application, the interlock switch 3 further comprises a housing 304, a linkage 305, a first contact 306, a second contact 307, a third contact 308, a fourth contact 309; the housing 304 has a cavity 3041, the first contact 306, the second contact 307, the third contact 308 and the fourth contact 309 are all disposed on the housing 304 in a penetrating manner, the first contact 306 and the second contact 307 are all connected with the trunk end 303, the third contact 308 is connected with the first branch end 301, and the fourth contact 309 is connected with the second branch end 302; an opening 3042 is formed in the housing 304 in a penetrating manner, the opening 3042 is communicated with the cavity 3041, one end of the link 305 passes through the opening 3042 and extends into the cavity 3041, a link contact 3051 is fixedly arranged, and the link contact 3051 moves in the cavity 3041; the tie-bar contact 3051 has a first operating position in which the tie-bar contact 3051 is connected to the first contact 306 and the third contact 308 and a second operating position in which the tie-bar contact 3051 is connected to the second contact 307 and the fourth contact 309. Link contact 3051 is movable back and forth between a first working position and a second working position by operating link 305 to move it relative to housing 304; when the tie-bar contact 3051 is located at the first working position, the tie-bar contact 3051 connects and conducts the first contact 306 and the third contact 308; when the tie-bar contact 3051 is located at the second working position, the tie-bar contact 3051 connects and conducts the second contact 307 and the fourth contact 309; therefore, the trunk end 303, the first branch end 301 and the second branch end 302 are convenient to switch, frequent plugging of wires connected with the positive electrode and the negative electrode of the battery can be avoided, the operation process of battery detection can be simplified by only controlling the interlocking switch, safety guarantee is provided for detection personnel, and safety accidents are reduced.
As shown in fig. 3, in some embodiments of the present application, the interlock switch further includes a housing 304, a pressing member 310, and an elastic restoring member 311; the housing 304 has a cavity 3041 and an opening 3042 is formed on the housing 304, the tie bar 305 passes through the opening 3042 and extends into the cavity (3041), the tie bar contact 3051 is disposed on an end of the tie bar 305 extending into the cavity 3041; the first contact 306, the second contact 307, the third contact 308, and the fourth contact 309 penetrate through the housing 304 and extend into the cavity 3041, and the first operating position and the second operating position are both located in the cavity 3041; the pressing piece 310 is fixedly arranged on one end of the connecting rod 305, which is far away from the shell 304; the elastic restoring member 311 is disposed around the outer circumference of the link 305, and is interposed between the pressing member 310 and the housing 304.
As shown in fig. 3, in some embodiments of the present application, the interlock switch 3 further includes a pressing member 310 and an elastic restoring member 311; the pressing piece 310 is fixedly arranged on one end of the connecting rod 305, which is far away from the shell 304; the elastic restoring member 311 is disposed around the outer circumference of the link 305, and is interposed between the pressing member 310 and the housing 304. In some embodiments of the present application, the elastic restoring member 311 includes a spring, and the spring of which size, shape and material are specifically adopted can be selected and adjusted according to actual requirements.
In some embodiments of the present application, as shown in fig. 3, when the tester does not press the pressing member 310, the tie bar contact 3051 is located at the first working position and connects the first contact 306 and the third contact 308, and the trunk end 303 is connected and conducted with the first branch end 301, and the indicator 5 detects the charged state between the positive electrode 701 of the battery 7 and the punctured portion of the battery 7; after the pressing member 310 is pressed down, the tie rod contact 3051 moves to the second working position and connects the second contact 307 and the fourth contact 309, at this time, the trunk end 303 is connected and conducted with the second branch end 302, the indicator 5 detects the charged state between the negative pole 702 of the battery 7 and the pierced part of the battery 7, and the elastic restoring member 311 is in the stretched state at this time; when the tester releases the pressing member 310, the elastic restoring member 311 is restored and shortened, and at the same time, the link contact 3051 is pulled back to the first working position, so that the indicator 5 and the trunk end 303 are disconnected from the negative pole 702 of the battery 7, and the connection with the positive pole 701 of the battery 7 is restored. Therefore, the convenient control indicator 5 can respectively detect the puncture damage position of the battery 7 and the charged state between the positive electrode and the negative electrode of the battery.
As shown in fig. 3, in some embodiments of the present application, the cavity 3041 is cylindrical and has a radial direction, the first contact 306 and the third contact 308 are disposed opposite to each other in the radial direction of the cavity 3041, and the second contact 307 and the fourth contact 309 are disposed opposite to each other in the radial direction of the cavity 3041; as shown in fig. 3, the cavity 3041 further has a longitudinal direction, which is perpendicular to the radial direction; the first contact 306 is disposed opposite to the second contact 307 in the longitudinal direction of the cavity 3041, and the third contact 308 is disposed opposite to the fourth contact 309 in the longitudinal direction of the cavity 3041. It is understood that in other embodiments of the present application, the first contact 306 and the second contact 307, and the third contact 308 and the fourth contact 309 may be in other structures to achieve the separation therebetween. That is to say, the contacts may be oppositely arranged in a plurality of ways, and then the tie bar contact 3051 movably disposed in the cavity 3041 is operated to achieve a connection and conduction effect between the contacts, so as to control on/off switching between the trunk end 303 and the first branch end 301 and the second branch end 302.
In some embodiments of the present application, the tie bar contact 3051 includes a strip shape and a disk shape, and the first contact 306, the second contact 307, the third contact 308, and the fourth contact 309 includes a strip shape and a plate shape, and the above-mentioned shape setting can enhance the firmness degree of the contact by increasing the contact area between the contacts, thereby improving the reliability of the product as a whole; in other embodiments of the present application, the contacts may take other shapes.
As shown in fig. 3, in some embodiments of the present application, the tie bar contact 3051, the first contact 306, the second contact 307, the third contact 308, and the fourth contact 309 are provided with a protrusion structure for conducting connection between the contacts, the protrusion structure is made of a conductive material, and a specific shape of the protrusion structure can be selected and adjusted according to actual requirements.
As shown in fig. 2, in some embodiments of the present application, the battery protection level detection apparatus further includes a handle 6; the handle 6 comprises a shell 601 and an inner cavity, and the interlocking switch 3 and the indicator 5 are accommodated in the inner cavity of the handle 6; a first through groove 602 is formed in the housing 601 of the handle 6, the first through groove 602 is communicated with the inner cavity and is disposed corresponding to the opening 3042 of the interlock switch 3, and one end of the connecting rod 305 away from the cavity 3041 of the interlock switch 3 extends through the first through groove 602 and away from the housing 601. It can be understood that, in some embodiments of the present application, the outer surface of the handle 6 is made of an insulating material, or the entire handle 6 is made of an insulating material, so that a tester can hold the handle 6 by hand when using the detection device provided by the present application, thereby avoiding electric shock hazard. In some embodiments of the present application, the handle 6 and/or the entire detection device is manufactured in accordance with the standard of GB/T4208-2017, with safety and reliability.
In some embodiments of the present application, the outer surface of the handle 6 is provided with anti-slip grooves for the convenience of holding operation of the tester; the anti-skid grooves in the specific shape can be designed and adjusted according to actual requirements.
As shown in fig. 2, in some embodiments of the present application, a second through groove 603 is provided through the housing 601 of the handle 6, and the second through groove 603 is communicated with the inner cavity; the indicator 5 has a display area 501, and the display area of the indicator 5 is disposed in the second through groove 603, so that a tester can read the detection result of the indicator 5 conveniently.
In some embodiments of the present application, the indicator 5 comprises a lamp bead. When the battery 7 is pierced, if the electrified voltage of the pierced part is higher than or equal to the lighting threshold of the lamp bead, the lamp bead can emit light, which indicates that the electrified voltage of the pierced part of the battery 7 exceeds a certain value; if the live voltage of the punctured part is lower than the lighting threshold of the lamp bead, the lamp bead does not emit light, which indicates that the live voltage of the punctured part of the battery 7 does not exceed a certain value or the battery 7 is not punctured successfully. It can be understood that the lamp beads are specifically selected and adjusted according to actual conditions by adopting specification parameters.
As shown in fig. 3, in some embodiments of the present application, the indicator 5 comprises a voltmeter. It can be understood that, when the above-mentioned lamp bead is used as the indicator 5, the lamp bead can be made to emit light only when the live voltage at the puncture position of the battery 7 is greater than or equal to a certain value, and at this time, the specific value of the live voltage cannot be accurately known, which is not beneficial for the tester to clearly and specifically examine the performance of the battery 7 when the battery is punctured, so that the voltmeter can be used as the indicator 5 to obtain the specific value of the live voltage at the puncture position, so that the tester can examine the performance of the battery 7. In particular, the voltmeter may be a digital multimeter. It will be appreciated that the protection class test of the battery generally only passes when the voltage between the positive electrode of the battery and the piercing location and the voltage between the negative electrode of the battery and the piercing location are both zero.
It should be noted that the puncturing member 4 can be punctured into the battery 7 at various positions and angles and directions to obtain the charged state of the punctured portion, thereby examining the performance of the battery 7. For example, when the puncturing position of the puncturing element 4 is the positive electrode 701 or the negative electrode 702 of the battery 7, the monitoring device provided by the present application can also indicate whether the puncturing element 4 has punctured into the battery 7 or not, and can also indicate the charging state of the punctured area on the battery 7, so that the tester can obtain a reference for the performance and subsequent optimized design of the battery 7 through the data measured by the indicator 5.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims. In addition, the principle and the implementation of the present application are illustrated by applying specific examples in the specification, the above description of the embodiments is only for assisting understanding of the method and the core idea of the present application, and the content of the present application should not be construed as limiting the present application.
Claims (10)
1. The utility model provides a battery protection level detection device for detect battery (7) that awaits measuring, battery (7) that awaits measuring include anodal (701) and negative pole (702), its characterized in that, battery protection level detection device includes:
the first connecting piece (1) is used for being connected with the positive electrode (701) of the battery to be tested; and
the second connecting piece (2) is used for connecting with the cathode (702) of the battery to be tested; and
an interlock switch (3) having a first branch end (301), a second branch end (302) and a trunk end (303), wherein the first branch end (301) is connected to the first connector (1), the second branch end (302) is connected to the second connector (2), and the trunk end (303) is connected to the first branch end (301), or the trunk end (303) is connected to the second branch end (302); and
a puncture piece (4) connected with the trunk end (303) and used for contacting or puncturing the battery (7) to be tested; and
an indicator (5) connected between the trunk end (303) and the puncture piece (4) for indicating a charged state of the battery (7).
2. The battery protection level detection device according to claim 1, wherein the puncturing member (4) is a hinged finger;
the articulated test finger comprises a root part (401) and a head part (402) which are connected, the root part (401) of the articulated test finger is connected with the indicator (5), and the head part (402) of the articulated test finger is used for contacting or penetrating the battery (7).
3. The battery protection level detection device according to claim 2, wherein the head (402) of the hinged finger has a length of 50-100 mm and a diameter of 5-25 mm.
4. The battery protection level detection device according to claim 2, wherein an end of the root portion (401) facing away from the head portion (402) is circumferentially surrounded by an insulating barrier disk (404).
5. The battery protection level detection device according to claim 2, wherein the puncturing member is provided with a force detection module (403), the force detection module (403) is connected with the root part (401) of the hinged test finger, and the force detection module (403) is used for detecting the value of the penetrating force of the hinged test finger penetrating into the battery (7).
6. The battery protection level detection device according to claim 1, wherein the interlock switch (3) further comprises a link (305), a first contact (306), a second contact (307), a third contact (308), and a fourth contact (309);
the first contact (306) and the second contact (307) are both connected to the trunk end (303), the third contact (308) is connected to the first branch end (301), and the fourth contact (309) is connected to the second branch end (302);
one end of the tie rod (305) is fixedly provided with a tie rod contact (3051), the tie rod contact (3051) has a first working position and a second working position, the tie rod contact (3051) is connected with the first contact (306) and the third contact (308) at the first working position, and the tie rod contact (3051) is connected with the second contact (307) and the fourth contact (309) at the second working position.
7. The battery protection level detection device according to claim 6, wherein the interlock switch further comprises a housing (304), a pressing member (310), and an elastic restoring member (311);
the housing (304) has a cavity (3041) and an opening (3042) is opened on the housing (304), the link (305) passes through the opening (3042) and extends into the cavity (3041), the link contact (3051) is disposed on an end of the link (305) extending into the cavity (3041);
the first contact (306), the second contact (307), the third contact (308) and the fourth contact (309) penetrate through the shell (304) and extend into the cavity (3041), and the first working position and the second working position are both located in the cavity (3041);
the pressing piece (310) is fixedly arranged on one end of the connecting rod (305) which is far away from the shell (304);
the elastic reset piece (311) is arranged around the periphery of the connecting rod (305) in a surrounding mode and is clamped between the pressing piece (310) and the shell (304).
8. The battery protection level detection apparatus according to claim 7, wherein the cavity (3041) is cylindrical and has a radial direction, the first contact (306) and the third contact (308) are disposed opposite to each other in the radial direction of the cavity (3041), and the second contact (307) and the fourth contact (309) are disposed opposite to each other in the radial direction of the cavity (3041).
9. The battery protection level detection device according to claim 8, further comprising a handle (6);
the handle (6) comprises a shell (601) and an inner cavity, and the interlocking switch (3) and the indicator (5) are accommodated in the inner cavity of the handle (6);
a first through groove (602) is formed in the shell (601) of the handle (6) in a penetrating mode, the first through groove (602) is communicated with the inner cavity and is arranged corresponding to the opening (3042) of the interlocking switch (3), and one end, deviating from the cavity (3041) of the interlocking switch (3), of the connecting rod (305) penetrates through the first through groove (602) and deviates from the shell (601) to extend.
10. The battery protection level detection device according to any of claims 1-9, wherein the indicator (5) is a voltmeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222367634.3U CN218297844U (en) | 2022-09-06 | 2022-09-06 | Battery protection grade detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222367634.3U CN218297844U (en) | 2022-09-06 | 2022-09-06 | Battery protection grade detection device |
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| Publication Number | Publication Date |
|---|---|
| CN218297844U true CN218297844U (en) | 2023-01-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222367634.3U Active CN218297844U (en) | 2022-09-06 | 2022-09-06 | Battery protection grade detection device |
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| Country | Link |
|---|---|
| CN (1) | CN218297844U (en) |
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- 2022-09-06 CN CN202222367634.3U patent/CN218297844U/en active Active
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Address after: 518000 1-2 Floor, Building A, Xinwangda Industrial Park, No. 18 Tangjianan Road, Gongming Street, Guangming New District, Shenzhen City, Guangdong Province Patentee after: Xinwangda Power Technology Co.,Ltd. Address before: 518107 1-2 Floor, Building A, Xinwangda Industrial Park, No. 18 Tangjianan Road, Gongming Street, Guangming New District, Shenzhen City, Guangdong Province Patentee before: SUNWODA ELECTRIC VEHICLE BATTERY Co.,Ltd. |