CN114497905A - Improved anti-reverse device, battery cluster and battery module thereof - Google Patents

Abstract

The invention provides an improved anti-reverse device, a battery cluster and a battery module thereof, comprising an anti-reverse device body and battery cells, wherein the connecting ends of the battery cells are connected in series to form a battery pack; the battery module disclosed by the invention is formed by connecting a plurality of battery clusters in parallel, the battery cluster is formed by connecting a plurality of battery cells in series, and the thermal runaway is faced in a restraining and isolating mode, so that the chain reaction is avoided; when the acquisition unit judges that the working current of the main channel exceeds a set value, the main channel switch is switched off, all the charging and discharging currents pass through the bypass current limiting unit, the pre-charging and pre-discharging functions of the battery are set, and under necessary conditions, the electronic switch is switched off through the acquisition management unit, so that the full-channel separation system is realized.

Description

Improved anti-reverse device, battery cluster and battery module thereof

Technical Field

The invention relates to the technical field of electricity, in particular to an improved anti-reflection device, a battery cluster and a battery module thereof.

Background

Lithium batteries are the highest energy density secondary power source to date. There are many advantages, but there are also potential risks, the most significant of which are the safety management and dynamic consistency life issues of the battery. The grouping technology of the existing power lithium battery mostly adopts single-channel BMS management, and is a single-channel centralized management mode. At present, a plurality of parallel modules are formed by connecting an electric core in parallel, all the parallel modules are connected in series to achieve certain target voltage, all sampling information of the modules is transmitted to a centralized BMS unit in a communication mode, and finally, a battery system which is required by system application is formed by safety management through a set of switch assembly and single channel output. In the process of battery management, the BMS collects concentrated data of each path of each parallel module, the collected content comprises voltage, current, temperature and the like, the collected data are uploaded to a centralized BMS management system and a control unit, and the BMS controls a protection switch of a terminal in real time.

Although the traditional battery management mode is seemingly simple in structure and has certain intelligence, the traditional battery management mode has the following problems:

1. because each parallel module has too large electric quantity, balance can not be implemented, and thus serious consistency attenuation problems of the battery in long-term use and repeated charge and discharge processes can be caused.

2. The single channel design mode, under the condition of high-power work, must cause the load pressure of passageway, use electric automobile as an example, because electric automobile's group battery design voltage is general more than 300 volts, put forward higher requirement to all management and control switching device, the improvement of withstand voltage level represents the decline that cost improves and reliability, not only have hundreds of welding points on the passageway in addition, and all drive power of car are all realized by this passageway, this in-process, the operating current of passageway is general more than 200 ~ 300 amperes, peak current leads to the passageway overheated even thousands, and then causes the battery overheated, cause the thermal runaway.

3. Generally, the reaction time of thermal runaway is within 5 seconds, and the power is high, so that once the thermal runaway occurs, the thermal runaway cannot be controlled or inhibited.

Disclosure of Invention

In order to solve the problems, each single battery cell is connected in series and is connected with an anti-reflection device in series to form a battery cluster, and a plurality of battery clusters are connected in parallel to form a battery module.

The invention provides an improved anti-reverse device, which comprises a power wiring end, a signal acquisition management unit, a current limiting unit, a communication interface, a diode, a management power input and a double-touch double-bridge switch, wherein the double-touch double-bridge switch comprises a first contact and a second contact, the connecting end of the first contact is connected with the connecting end of the second contact in parallel, the connecting end of the power wiring end is connected with the connecting end of the first contact in series, the connecting end of the diode is connected with the connecting end of the second contact in parallel, the connecting end of the current limiting unit is connected with the connecting end of the second contact in series and connected with the connecting end of the first contact in parallel, the connecting end of the signal acquisition management unit is respectively and electrically connected with the connecting ends of the double-touch double-bridge switch, the first contact and the diode, and the connecting end of the signal acquisition management unit is respectively and electrically connected with the connecting end of the communication interface and the management power input;

according to a specific embodiment of the present invention, wherein the two-touch two-bridge switch comprises a first switch, a second switch and a frame;

the first switch comprises a first coil, a first linkage bridge, a first contact and a first position sensing element, and the connecting ends of the first coil, the first linkage bridge, the first contact and the first position sensing element are electrically connected;

the second switch comprises a second coil, a second linkage bridge, a second contact and a second position sensing element, and the connecting ends of the second coil, the second linkage bridge, the second contact and the second position sensing element are electrically connected;

the frame includes first mount pad and second mount pad, first switch, second switch are installed respectively in the inside of first mount pad and second mount pad.

According to a specific embodiment of the present invention, wherein the first position sensing element comprises a first micro switch, and the connection ends of the first linkage bridge, the first micro switch and the first coil are connected with each other;

the second position sensing element comprises a second micro switch, and the connecting ends of the second coil, the second linkage bridge and the second micro switch are connected with each other.

According to a specific embodiment of the present invention, wherein the first position sensing element comprises a first position sensor, and the connection ends of the first coil, the first link bridge and the first position sensor are connected to each other;

the second position sensing element comprises a second position sensor, and the connecting ends of the second coil, the second linkage bridge and the second position sensor are connected with each other.

According to a specific embodiment of the invention, the battery cluster comprises an anti-reflection body and battery cells, wherein the connecting ends of the battery cells are connected in series to form a battery pack, and the connecting end of one anti-reflection body is connected in series with the connecting end of the battery pack to form the battery cluster.

According to an embodiment of the invention, a battery module comprises a plurality of battery clusters and voltage-eliminating capacitors, wherein the connecting ends of the plurality of battery clusters are connected in parallel, and one voltage-eliminating capacitor is connected in parallel to form the battery module.

Compared with the prior art, the invention has the following advantages:

1. the battery module disclosed by the invention is formed by connecting a plurality of battery clusters in parallel, the battery cluster is formed by connecting a plurality of battery cells in series, and the thermal runaway is faced in a restraining and isolating mode, so that the chain reaction is avoided.

2. When the acquisition unit judges that the working current of the main channel exceeds a set value, the main channel switch is switched off, all the charging and discharging currents pass through the bypass current limiting unit, the pre-charging and pre-discharging functions of the battery are set, and under necessary conditions, the electronic switch is switched off through the acquisition management unit, so that the full-channel separation system is realized.

Drawings

The above and other objects, features and advantages of the present application will become more apparent by describing in more detail embodiments of the present application with reference to the attached drawings. The accompanying drawings are included to provide a further understanding of the embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings, like reference characters generally refer to the same or similar parts.

FIG. 1 is a schematic view of an anti-reflection unit according to an embodiment of the present invention;

FIG. 2 is a block diagram of a two-touch two-bridge switch according to an embodiment of the present invention;

fig. 3 shows a battery module according to an embodiment of the present invention.

In the figure: 1. a voltage-eliminating capacitor; 2. an anti-reverse body; 3. a battery cell; 4. a power terminal; 5. a signal acquisition management unit; 6. a current limiting unit; 7. a communication interface; 8. managing power input; 9. a double-touch double-bridge switch; 101. a first switch; 111. a first coil; 121. a first link bridge; 131. a first contact; 141. a first position sensing element; 102. a second switch; 112. a second coil; 122. a second link bridge; 132. a second contact; 142. a second position sensing element; 103. a frame; 113. a first mounting seat; 123. and a second mounting seat.

Detailed Description

The present invention is described in detail below with reference to specific embodiments in order to make the concept and idea of the present invention more clearly understood by those skilled in the art. It is to be understood that the embodiments presented herein are only a few of all embodiments that the present invention may have. Those skilled in the art who review this disclosure will readily appreciate that many modifications, variations, or alterations to the described embodiments, either in whole or in part, are possible and within the scope of the invention as claimed.

In this document, the terms "embodiment," "comparative example," and the like do not mean that the description applies to only one particular embodiment, but rather that the description may apply to one or more other embodiments. Those of skill in the art will understand that any of the descriptions given herein for one embodiment can be combined with, substituted for, or combined with the descriptions of one or more other embodiments to produce new embodiments, which are readily apparent to those of skill in the art and are intended to be within the scope of the present invention.

Example 1: referring to fig. 1, an improved anti-reverse device according to this embodiment includes a power connection terminal 4, a signal acquisition management unit 5, a current limiting unit 6, a communication interface 7, a diode, a management power input 8, and a double-touch double-bridge switch 9, where the double-touch double-bridge switch 9 includes a first contact and a second contact, a connection end of the first contact is connected in parallel with a connection end of the second contact, a connection end of the power connection terminal 4 is connected in series with the connection end of the first contact, a connection end of the diode is connected in parallel with the connection end of the second contact, a connection end of the current limiting unit 6 is connected in series with the connection end of the second contact, and is connected in parallel with the connecting end of the first contact, the connecting end of the signal acquisition management unit 5 is electrically connected with the connecting ends of the double-contact double-bridge switch 9, the first contact and the diode respectively, and the connecting end of the signal acquisition management unit 5 is electrically connected with the connecting ends of the communication interface 7 and the management power supply input 8 respectively.

Example 2: referring to fig. 2, the inverter preventing device according to the present embodiment 1, wherein the double-touch double-bridge switch 9 includes a first switch 101, a second switch 102, and a frame 103;

the first switch 101 includes a first coil 111, a first linkage bridge 121, a first contact 131 and a first position sensing element 141, the connection ends of the first coil 111, the first linkage bridge 121, the first contact 131 and the first position sensing element 141 are electrically connected, and the first coil 111 is electrified to drive the first linkage bridge 121, so that the first linkage bridge 121 drives the first contact 131 to realize contact or disconnection, and the first linkage bridge 121 triggers the first position sensing element 141;

the second switch 102 includes a second coil 112, a second linkage bridge 122, a second contact 132 and a second position sensing element 142, the connection ends of the second coil 112, the second linkage bridge 122, the second contact 132 and the second position sensing element 142 are electrically connected, and the second coil 112 drives the second linkage bridge 122 after being electrified, so that the second linkage bridge 122 drives the second contact 132 to be contacted or separated, and the second linkage bridge 122 triggers the second position sensing element 142;

the frame 103 includes a first mounting seat 113 and a second mounting seat 123, and the first switch 101 and the second switch 102 are respectively mounted inside the first mounting seat 113 and the second mounting seat 123.

According to the present embodiment, the on/off of the switch and the triggering of the position sensing element are simultaneously realized by the first link bridge 121 and the second link bridge 122, which is advantageous for increasing the function of the double-touch double-bridge switch 9, and in addition, the two switches are mounted together by the frame 103 to form the double-touch double-bridge switch 9, which is advantageous for increasing the compactness of the entire circuit structure requiring the two switches, and facilitates the wiring and mounting of the entire circuit.

In one embodiment, the first coil 111 and the second coil 112 may refer to windings wound by insulated wires, and may be classified by properties of magnetizers, and the coils may be classified by air core coils, ferrite coils, iron core coils, copper core coils, and the like, and may be classified by operational properties, and the coils may be classified by antenna coils, oscillation coils, choke coils, trap coils, deflection coils, and the like, and may be classified by winding structures, and the coils may be classified by single-layer coils, multi-layer coils, honeycomb coils, superimposed coils, and the like, wherein the superimposed coils may refer to coils wound by two or more wires.

In an embodiment, the first contact 131 and the second contact 132 may refer to a structure capable of respectively implementing connection and disconnection of a circuit by contact and disconnection of two conductive components, and according to a difference in a movement manner of the contacts, the contacts may be divided into a contact composed of a moving contact and a fixed contact (the moving contact moves to be in contact with the fixed contact), a contact composed of two moving contacts (the two moving contacts approach to each other until contacting), a contact composed of a moving contact and two fixed contacts (the moving contact moves between the two fixed contacts), and the like, and according to a difference in the contact structure, the contacts may be divided into an a-type contact, a b-type contact, and a c-type contact, where the a-type contact may be a normally open contact, that is, in a normal state, the two contacts constituting the contact are separated, and the contacts are contacted after a switch button is pressed; the b-type contact can be a normally closed contact, namely, in a normal state, two contact terminals forming the contact are contacted, and the contact is disconnected when a switch button is pressed; the c-type contact can be characterized by comprising two fixed contacts and a moving contact, wherein the moving contact moves between the two fixed contacts, and when the moving contact is contacted with one fixed contact, a circuit is disconnected, and when the moving contact is contacted with the other fixed contact, the circuit is connected.

In one embodiment, the first linkage bridge 121 and the second linkage bridge 122 may refer to an intermediate transmission member capable of driving or achieving linkage of two or more components, such as an intermediate component capable of achieving linkage of the contact and the position sensing element (i.e., simultaneously activating the contact and the position sensing element), and in one embodiment, the linkage bridge may refer to an elongated rod-shaped component having one end connected to the contact and the other end connected to the position sensing element, and translational movement of the rod-shaped component simultaneously causes movement of the contact and activation of the position sensing element; or a pivotable member, one side of the pivot point is connected with the contact, the other side is connected with the position sensing element, and the pivoting of the pivotable member causes the movement of the contact and the triggering of the position sensing element; it may also refer to a resilient member having a resiliently movable portion that simultaneously connects the contact and the position sensing element, which when moved, causes both movement of the contact and activation of the position sensing element.

In one embodiment, the first position sensing element 141 and the second position sensing element 142 may refer to elements having a position sensing function and capable of performing corresponding actions or responses according to sensed position information, in one embodiment, the position sensing element is independent of the contact points, i.e., the reaction of the contact points to the movement of the link bridge is not the reaction of the position sensing element, in one embodiment, the position sensing element may be used for sensing the position or the action of the link bridge and performing corresponding reactions or responses according to the position change or the movement state of the link bridge, in one embodiment, the position sensing element may refer to a micro switch, in which case, the fine movement of the link bridge triggers the reaction of the micro switch, resulting in the on or off action of the micro switch; it may also refer to a proximity switch, in which case the movement of the ganged bridge towards or away from the proximity switch causes a reaction of the proximity switch, causing the proximity switch to take the action of making or breaking the circuit; the linkage bridge can also be a position sensor, in this case, the movement of the linkage bridge is sensed by the position sensor, and the position sensor sends different signals to a certain control circuit according to different movements of the linkage bridge; the linkage bridge control system can also be a camera, in this case, the motion of the linkage bridge is shot by the camera, the camera transmits the motion image of the linkage bridge to the control center, and the control center sends different instructions according to different actions of the linkage bridge.

In one embodiment, the coil is powered on to drive the linkage bridge, which may mean that a magnetic field generated after the coil is powered on acts on the linkage bridge to enable the linkage bridge to move; or the magnetic field generated after the coil is electrified passes through the iron core, so that the iron core is magnetized, and magnetic attraction force aiming at the linkage bridge is generated, so that the linkage bridge moves; the magnetic field that produces after the coil circular telegram can also be through the iron core for the iron core is magnetized, produces the magnetic attraction to a driving medium, makes the driving medium take place the motion, and the motion conduction of driving medium to the linkage bridge makes the linkage bridge take place the motion then.

In one embodiment, the linkage bridge drives the contact to realize contact or disconnection, which may mean that the movement of the linkage bridge causes the movement of the relevant part of the contact, and the movement of the contact part causes the contact to generate a contact or disconnection action capable of causing the circuit to be switched on or switched off; the movement of the linkage bridge can also cause a transmission component to move, and the movement of the transmission component causes the moving contact of the contact to move, so that the moving contact is contacted with or separated from the fixed contact; the linkage bridge may be operatively connected to two movable contacts of the contact, and movement of the linkage bridge causes the two movable contacts to move toward or away from each other, thereby causing the contact to be contacted or separated.

In an embodiment, the position sensing element is triggered by the linkage bridge, which may mean that the linkage bridge causes the position sensing element to generate a reaction, and in an embodiment, the position sensing element is triggered by the linkage bridge, which may be implemented by moving the linkage bridge to a position near the position sensing element, and sensing that the linkage bridge enters a sensing range by the position sensing element, so as to generate a corresponding reaction action; or the linkage bridge moves to a part contacting or pushing the position sensing element, the part converts the contact or pushing of the linkage bridge into a corresponding signal and transmits the signal to the position sensing element, and the position sensing element makes a corresponding reaction action; it is also possible that the position sensing element monitors the link bridge in real time, and once any movement of the link bridge occurs, the position sensing element generates a corresponding reaction action.

In an embodiment, the coil is powered on to drive the linkage bridge, so that the linkage bridge drives the contact to be contacted or separated, and the linkage bridge triggers the position sensing element, which may mean that the linkage bridge moves after the coil is powered on, such movement of the linkage bridge causes a part or a moving contact of the contact to move, so that the contact is contacted or separated, and the movement of the linkage bridge also causes the position sensing element to generate a certain reaction action.

In one embodiment, the frame 103 may refer to a structure for supporting and/or protecting the whole of the dual-contact dual-bridge switch 9, and is a separate member specially belonging to the dual-contact dual-bridge switch 9, and not belonging to a more macroscopic structure, such as a frame or a housing of a whole circuit, a battery management system or a battery module.

In an embodiment, the frame 103 comprises a first mounting seat 113 and a second mounting seat 123, which may mean that the frame 103 has a portion for mounting two switches in the whole structure, rather than the mounting structures of the two switches being separated from each other and regarded as one frame 103, in an embodiment, the frame 103 comprises the first mounting seat 113 and the second mounting seat 123, which may mean that the two mounting seats form an integral part of the one frame 103 and the two mounting seats are connected together through other parts of the frame 103, and in an embodiment, the frame 103 comprises the first mounting seat 113 and the second mounting seat 123, which may be realized by that the frame 103 has two recesses in the rigid whole structure for mounting two switches, which are surrounded by the main body portion of the frame 103 structure, and which form the two mounting seats; alternatively, the plurality of rod-shaped support structures of the frame 103 may enclose a space sufficient to accommodate two switches, which are mounted in the space and fixedly connected to the support structures of the frame 103 in a plurality of directions, the space forming two mounting seats; alternatively, the frame 103 may be a sealed housing, the bottom of the housing has two bases, two switches are respectively mounted on the two bases and surrounded by the sealed housing, and the two bases and the space above the two bases form two mounting seats.

In an embodiment, the switches are installed in the installation base, which may mean that each component of the switches is fixed or connected to a corresponding position preset for the installation base, so that the switches can be stably installed in the installation base and perform a predetermined function, in an embodiment, the first switch 101 and the second switch 102 are respectively installed in the first installation base 113 and the second installation base 123, which may mean that the first switch 101 is installed in the first installation base 113 and the second switch 102 is installed in the second installation base 123.

The following describes another embodiment of the present invention, which is a specific example of the embodiment of fig. 1 and may include one or more features of one or more of all of the embodiments described above.

According to the embodiment, the first position sensing element 141 includes a first micro switch, the first linkage bridge 121, the first micro switch and the connection end of the first coil 111 are connected to each other, when the first coil 111 drives the first linkage bridge 121 to move to the end position, the first linkage bridge 121 triggers the first micro switch, so that the first micro switch disconnects the circuit of the first coil 111; the second position sensing element 142 includes a second micro switch, the second coil 112, the second linkage bridge 122 and the connection end of the second micro switch are connected to each other, when the second coil 112 drives the second linkage bridge 122 to move to the end position, the second linkage bridge 122 activates the second micro switch, so that the second micro switch disconnects the circuit of the second coil 112.

The double-touch double bridge switch 9 according to the present embodiment senses the movement of the link bridge through the micro switch, facilitates sensing the position of the link bridge at a low cost, and facilitates improving the sensitivity of position detection, and also facilitates saving of electric power supplied to the coil according to the disconnection of the circuit of the coil when the link bridge moves to the end position.

In one embodiment, the micro switch may be a switch having a push pin capable of sensing external micro motion, a relatively small contact pitch and a relatively high sensitivity, which is also called a sensitive switch or a snap switch, and is classified by volume into a general type, a small type and a micro type, and classified by a dividing form, the micro switch may be a single type, a double type or a multiple type, and classified by a protective property, the micro switch may be a waterproof type, a dustproof type or an explosion-proof type, and classified by a dividing capability, the micro switch may be a general type, a direct current type, a micro current type or a large current type, and the micro switch may be a general type, a high temperature resistant type or a super high temperature resistant ceramic type, and classified by a pin form, the micro switch may be a button type, a reed roller type, a lever roller type, a short moving arm type or a long moving arm type.

In one embodiment, the end position may refer to an end position or a dead point position of the range of motion, for example, a piston moving in a cylinder, where an upper dead point and a lower dead point are located at the end position, and the object may have an end position, for example, a highest point to which the end of the swing link can swing; there may be two end positions, such as a rod-like structure that moves back and forth lengthwise, to the farthest and closest points to which one end can move; there may be three end positions, for example three corner positions on a track to which a trolley moving on a triangular track can move; there may be a plurality of end positions, for example a knob capable of rotating three hundred and sixty degrees around a central point, each of which movement positions is possible as an end position.

In one embodiment, the movement of the linkage bridge to the end position may refer to the movement of the linkage bridge to the end position or its vicinity within the movement range, and in one embodiment, the coil drives the linkage bridge to the end position, which may refer to the magnetic field generated by the coil directly or indirectly acting on the linkage bridge to move the linkage bridge to the end position, and in one embodiment, the coil drives the linkage bridge to the end position, which may be implemented by the magnetic field generated by the coil directly acting on the linkage bridge to move the linkage bridge to the end position; or the magnetic field generated by the coil passes through the iron core, so that the iron core is magnetized, magnetic attraction force aiming at the linkage bridge is generated, and the linkage bridge moves to the tail end position; the magnetic field generated by the coil passes through the iron core, so that the iron core is magnetized, magnetic attraction to a transmission piece is generated, the transmission piece moves, the movement of the transmission piece is transmitted to the linkage bridge, and then the linkage bridge moves to the tail end position.

In an embodiment, the microswitch disconnects the circuit of the coil, which may mean that the microswitch is connected to the circuit supplying power to the coil, and the microswitch causes the circuit of the coil to be disconnected when the state switching occurs, and in an embodiment, the microswitch disconnects the circuit of the coil, which may be implemented by directly connecting the microswitch to the circuit of the coil, and changing the operation state of the microswitch from the on state to the off state, thereby causing the circuit of the coil to be disconnected; it is also possible that the microswitch is connected to a further circuit associated with the coil circuit, the element of which further circuit is able to control the coil circuit to be switched off after a transition of the operating state of the microswitch (from on to off or from off to on).

In an embodiment, when the coil drives the linkage bridge to move to the end position, the linkage bridge triggers the micro switch to disconnect the circuit of the coil, which may mean that the linkage bridge is driven by a magnetic field generated by the coil to move toward the end position, and when the linkage bridge reaches the end position, the linkage bridge can move a sensitive element (such as a press pin or a reed) of the micro switch, so as to switch the state of the micro switch, and then disconnect the circuit for supplying power to the coil.

The following describes another embodiment of the present invention, which is a specific example of the embodiment of fig. 2 and may include one or more features of one or more of all of the embodiments described above.

According to the present embodiment, the first position sensing element 141 includes a first position sensor, the first coil 111, the first linkage bridge 121 and the connection end of the first position sensor are connected to each other, when the first coil 111 drives the first linkage bridge 121 to move to the end position, the first linkage bridge 121 triggers the first position sensor, so that the first position sensor sends an open signal to open the circuit of the first coil 111; the second position sensing element 142 includes a second position sensor, the connection terminals of the second coil 112, the second linkage bridge 122 and the second position sensor are connected to each other, and when the second coil 112 drives the second linkage bridge 122 to move to the end position, the second linkage bridge 122 triggers the second position sensor, so that the second position sensor sends an open signal to open the circuit of the second coil 112.

The double-touch double-bridge switch 9 according to the embodiment senses the movement of the linkage bridge through the position sensor, which is beneficial to improving the accuracy of the judgment of the position of the linkage bridge, and is beneficial to saving the electric energy supplied to the coil by sending a disconnection signal to disconnect the circuit of the coil when the linkage bridge moves to the end position.

In one embodiment, the position sensor may be a sensor capable of sensing a position or a position change of a measured object and converting the position or the position change into a signal capable of being output, and the position sensor may be generally classified into a contact sensor and a proximity sensor, where the contact sensor may be a sensor in which the measured object needs to contact a certain portion of the sensor to enable the sensor to react, and the sensor includes a travel switch, a two-dimensional matrix position sensor, and the like; the proximity sensor may be a sensor that can react with a measured object only when the measured object enters a certain setting range of the sensor, and includes an electromagnetic type, a photoelectric type, a differential transformer type, an eddy current type, a capacitor type, a reed switch, a hall type, and the like.

In an embodiment, the linkage bridge triggers the position sensor, which may mean that the position sensor senses the existence of the linkage bridge at a certain position or the change of the motion state of the linkage bridge, so as to cause the position sensor to react; or, the linkage bridge moves, so that the position sensor senses the position change of the linkage bridge, and then the reaction is made; it is also possible that the link bridge enters the sensing range of the position sensor and continues to move within this range, and the position sensor senses the movement of the link bridge, thereby reacting.

In one embodiment, the open signal may be a signal capable of directly or indirectly opening a specific circuit, in one embodiment, the position sensor sends an open signal, in another embodiment, the position sensor sends a specific signal according to the sensed position or position change, the signal can cause the specific circuit to be opened, in another embodiment, the position sensor sends an open signal to open the circuit of the coil, in yet another embodiment, the position sensor sends a signal, the signal is directly or indirectly transmitted to a device capable of controlling the circuit of the coil to be opened and closed, the device opens the circuit of the coil according to the signal or a received instruction, in another embodiment, the position sensor sends an open signal to open the circuit of the coil, in another embodiment, the position sensor sends a signal, the signal is transmitted to a controller, and the controller sends a circuit opening instruction to a switch connected in the circuit of the coil according to the signal, the switch executes the disconnection action according to the instruction; the position sensor may transmit a current signal, the current signal may be directly received by a switch connected to the coil circuit, and the switch may generate an opening operation upon receiving the current signal.

In an embodiment, when the coil drives the linkage bridge to move to the end position, the linkage bridge triggers the position sensor, so that the position sensor sends a disconnection signal to disconnect the circuit of the coil, which may mean that the linkage bridge is driven by a magnetic field generated by the coil to move towards the end position, and when the end position is reached, the position sensor senses the position change of the linkage bridge or the linkage bridge, so as to send a specific signal, and the signal is directly or indirectly transmitted to a device capable of controlling the on/off of the coil circuit, so that the state switching of the device occurs, and the circuit of the coil is disconnected.

Example 3: referring to fig. 3, a battery cluster according to the present embodiment includes an anti-reflection body 2 and battery cells 3, wherein the connection ends of the plurality of battery cells 3 are connected in series to form a battery pack, and the connection end of one anti-reflection body 2 is connected in series with the connection end of the battery pack to form the battery cluster.

Example 4: referring to fig. 3, a battery module according to the present embodiment includes a plurality of battery clusters and a voltage-reducing capacitor 1, wherein the connection terminals of the plurality of battery clusters are connected in parallel, and one voltage-reducing capacitor 1 is connected in parallel to form the battery module.

The concepts, principles and concepts of the invention have been described above in detail in connection with specific embodiments (including examples and illustrations). It will be appreciated by persons skilled in the art that embodiments of the present invention are not limited to the specific forms set forth herein, and that many modifications, alterations, and equivalents of the steps, methods, apparatus, and components described in the above embodiments may be made by those skilled in the art after reading this specification, and that such modifications, alterations, and equivalents are to be considered as falling within the scope of the present invention. The scope of the invention is only limited by the claims.

Claims (6)

1. The utility model provides an improved generation prevents anti-ware, includes power wiring end (4), signal acquisition management unit (5), current limiting unit (6), communication interface (7), diode, management power input (8) and two bridge switch (9) that touch, its characterized in that: two bridge switch (9) of touching are including contact one and contact two, and the link of contact one is parallelly connected with the link of contact two, the link of power wiring end (4) and the link series connection of contact one, the link of diode and the link parallel connection of contact two, the link of current-limiting unit (6) and the link series connection of contact two, and parallelly connected with the link of contact one, the link of signal acquisition management unit (5) respectively with two bridge switch (9), the link electric connection of contact one and diode, the link of signal acquisition management unit (5) respectively with communication interface (7) and the link electric connection of management power input (8).

2. An improved anti-reflex device according to claim 1, wherein: the double-contact double-bridge switch (9) comprises a first switch (101), a second switch (102) and a frame (103);

the first switch (101) comprises a first coil (111), a first linkage bridge (121), a first contact (131) and a first position sensing element (141), and the connection ends of the first coil (111), the first linkage bridge (121), the first contact (131) and the first position sensing element (141) are electrically connected;

the second switch (102) comprises a second coil (112), a second linkage bridge (122), a second contact (132) and a second position sensing element (142), and the connection ends of the second coil (112), the second linkage bridge (122), the second contact (132) and the second position sensing element (142) are electrically connected;

the frame (103) comprises a first mounting seat (113) and a second mounting seat (123), and the first switch (101) and the second switch (102) are respectively mounted inside the first mounting seat (113) and the second mounting seat (123).

3. An improved anti-reflex according to claim 2, wherein:

the first position sensing element (141) comprises a first microswitch, and the connecting ends of the first linkage bridge (121), the first microswitch and the first coil (111) are connected with each other;

the second position sensing element (142) comprises a second micro switch, and the connection ends of the second coil (112), the second linkage bridge (122) and the second micro switch are connected with each other.

4. An improved anti-reflex according to claim 2, wherein:

the first position sensing element (141) comprises a first position sensor, and the connecting ends of the first coil (111), the first linkage bridge (121) and the first position sensor are connected with each other;

the second position sensing element (142) comprises a second position sensor, and the connection ends of the second coil (112), the second linkage bridge (122) and the second position sensor are connected to each other.

5. A battery cluster, comprising an anti-reverse body (2) and a battery cell (3), characterized in that:

the connecting ends of the battery cells (3) are connected in series to form a battery pack, and the connecting end of the reverse preventing device body (2) is connected in series with the connecting end of the battery pack to form a battery cluster.

6. A battery module comprising a battery cluster and a voltage-dissipating capacitor (1), characterized in that:

the connecting ends of the battery clusters are connected in parallel, and are connected with a voltage-eliminating capacitor (1) in parallel to form a battery module.

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