CN209896724U - Control device for preventing over-discharge of nickel-hydrogen battery - Google Patents

Control device for preventing over-discharge of nickel-hydrogen battery Download PDF

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Publication number
CN209896724U
CN209896724U CN201920681392.0U CN201920681392U CN209896724U CN 209896724 U CN209896724 U CN 209896724U CN 201920681392 U CN201920681392 U CN 201920681392U CN 209896724 U CN209896724 U CN 209896724U
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China
Prior art keywords
nickel
hydrogen battery
box
alarm
metal hydride
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CN201920681392.0U
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Chinese (zh)
Inventor
王嘉军
王文周
李汉祥
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Shandong Huatai New Energy Battery Co ltd
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Linyi Huatai Battery Co Ltd
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Abstract

The utility model discloses a control device for preventing overdischarge of a nickel-hydrogen battery, which belongs to the field of batteries and comprises the nickel-hydrogen battery, a control device and a load, wherein a control signal output by a control unit is connected with a receiving end of an alarm, an output end of the alarm is electrically connected with a loudspeaker integrated on the alarm through a lead, and the outer surface of the nickel-hydrogen battery is also provided with a temperature sensor; this scheme is through the alarm that sets up, temperature sensor and display screen, and the user can be according to the content of observing on the display screen, and whether the temperature of direct quick judgement nickel-hydrogen battery operation is normal, and explosion or the burning that can be effective and timely prevention nickel-hydrogen battery leads to because the short circuit crosses integrated loudspeaker on the alarm, sends alarm signal, makes staff around the nickel-hydrogen battery close nickel-hydrogen battery itself to avoid long-time short circuit.

Description

Control device for preventing over-discharge of nickel-hydrogen battery
Technical Field
The utility model relates to a battery field, more specifically say, relate to a controlling means of prevention nickel-hydrogen cell overdischarge.
Background
The nickel-metal hydride battery can be charged or not, generally, the rechargeable nickel-metal hydride battery does not need to be fully discharged and then recharged, and excessive discharge should be avoided, and when the discharge voltage is below 1V-0.9V, permanent damage to the battery can be caused, the capacity is reduced, and even the rechargeable nickel-metal hydride battery cannot be used for recharging.
At present, a control device for preventing overdischarge of a nickel-metal hydride battery is known in chinese patent publication No. CN202633983U, which includes a first resistor and a second resistor for dividing a voltage supplied to the nickel-metal hydride battery, a detection module for detecting the divided voltage between the first resistor and the second resistor and outputting a sampling voltage, a comparison module for receiving the sampling voltage output by the detection module, comparing the sampling voltage output by the detection module with a preset discharge termination voltage and outputting a control signal, and a control unit for receiving the control signal output by the comparison module, controlling the nickel-metal hydride battery and a load to be turned off and on according to the control signal, detecting the voltage supplied to the nickel-metal hydride battery in real time, determining whether the nickel-metal hydride battery is overdischarged, and cutting off the overdischarge in time to protect the nickel-metal hydride battery.
However, in the practical operation of the present invention, because the connection between the load and the nickel-metal hydride battery is directly cut off, and the first resistor and the second resistor are only used for voltage division, when over-discharge occurs and the connection between the load and the nickel-metal hydride battery is cut off, although the current is reduced when the electrical appliance is disconnected and the grounding portion is disconnected, the control device actually forms a short circuit, and when nobody timely turns off the control device, the nickel-metal hydride battery is very easy to generate a large amount of heat, even to cause combustion and explosion.
Disclosure of Invention
1. Technical problem to be solved
To the problem that exists among the prior art, the utility model aims to provide a controlling means of prevention nickel-hydrogen cell overdischarge possesses warning and early warning to can prevent the advantage that explosion and burning spread, solve the controlling means who prevents the nickel-hydrogen cell overdischarge, the problem of the nickel-hydrogen cell explosion or burning that the short circuit arouses appears easily.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
A control device for preventing overdischarge of a nickel-metal hydride battery comprises the nickel-metal hydride battery, a control device and a load, wherein the control device comprises a first resistor, a second resistor, a detection module, a comparison module and a control unit, the output and input end of the nickel-metal hydride battery is connected with the charge and discharge end of the nickel-metal hydride battery, a control signal output by the control unit is connected with the receiving end of an alarm, the output end of the alarm is electrically connected with a loudspeaker integrated on the alarm through a lead, the outer surface of the nickel-metal hydride battery is also provided with a temperature sensor, the output end of the temperature sensor is connected with a display screen through a lead, and the display screen is arranged on the front surface of a; this scheme is through the alarm that sets up, temperature sensor and display screen, the user can be according to the content of observing on the display screen, whether the temperature of direct quick judgement nickel-hydrogen battery operation is normal, in case the condition that the temperature is super high appears, can be in order to judge the short circuit that appears between nickel-hydrogen battery and the controlling means, can prevent in advance and maintain, guarantee that nickel-hydrogen battery can not receive serious damage, and can be effective and timely prevention nickel-hydrogen battery because explosion or the burning that the short circuit leads to, adopt the alarm simultaneously, can be under the condition of nickel-hydrogen battery overdischarge, the control unit is cutting off the back of connecting between nickel-hydrogen battery and the load, start the alarm, through integrated loudspeaker on the alarm, send alarm signal, make staff around the nickel-hydrogen battery close nickel-hydrogen battery itself, thereby avoid long-time short circuit.
Preferably, the nickel-hydrogen battery standing groove has been seted up to the inner chamber of nickel-hydrogen battery case, the nickel-hydrogen battery case includes outer box hat, protection outer container, elastic webbing, inner bag case, elasticity heat-conducting plate, elasticity fixed plate, the inside screw connection of outer box hat has the protection outer container, the inside screw connection of protection outer container has the inner bag case, leave the clearance between protection outer container and the inner bag case, the surface of inner bag case has a plurality of elastic webbing along the vertical bonding of tank wall, the nickel-hydrogen battery standing groove has been seted up at the middle part of inner bag incasement chamber, it has the elasticity fixed plate to bond on the narrow inner wall in both sides of inner bag case, it has the elasticity heat-conducting plate to bond on the long inner wall in both sides of inner bag case.
Preferably, the protective outer box is a closed box body, water liquid is filled in an inner cavity of the protective outer box, and the height of the protective outer box is lower than that of the outer steel shell.
Preferably, the inner container box is a closed box body, an opening is formed in the inner wall, connected with the elastic fixing plate, of the inner container box, the opening is completely sealed by the elastic fixing plate, and dry powder is filled in the inner cavity of the inner container box.
Preferably, the height of outer steel casing and the highly uniform of inner bag case, the top of nickel-hydrogen battery case is provided with the case lid, the bottom of case lid is provided with protruding edge, the width on protruding edge and the clearance looks adaptation between outer steel casing and the inner bag case, the length on protruding edge and the difference in height looks adaptation between outer steel casing and the protection outer case, the both sides welding of case lid has the engaging lug, the bottom of engaging lug passes through the bolt and is connected with the nickel-hydrogen battery case.
Preferably, the surface of the elastic fixing plate close to the inner container box is a plane, and the surface of the elastic fixing plate close to the nickel-metal hydride battery placing groove is an arc surface.
Preferably, the one side that the elasticity heat-conducting plate is close to the inner bag case is the plane, the one side that the elasticity heat-conducting plate is close to the nickel-hydrogen battery standing groove is fixed with the heat dissipation scale along the plate body equidistance.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
(1) this scheme is through the alarm that sets up, temperature sensor and display screen, the user can be according to the content of observing on the display screen, whether the temperature of direct quick judgement nickel-hydrogen battery operation is normal, in case the condition that the temperature is super high appears, can be in order to judge the short circuit that appears between nickel-hydrogen battery and the controlling means, can prevent in advance and maintain, guarantee that nickel-hydrogen battery can not receive serious damage, and can be effective and timely prevention nickel-hydrogen battery because explosion or the burning that the short circuit leads to, adopt the alarm simultaneously, can be under the condition of nickel-hydrogen battery overdischarge, the control unit is cutting off the back of connecting between nickel-hydrogen battery and the load, start the alarm, through integrated loudspeaker on the alarm, send alarm signal, make staff around the nickel-hydrogen battery close nickel-hydrogen battery itself, thereby avoid long-time short circuit.
(2) The utility model discloses a nickel-hydrogen battery case that sets up, and the outer steel casing that its inside set up, protection outer container, the elastic band, the inner bag case, elasticity heat-conducting plate and elasticity fixed plate, can effectively block the piece that nickel-hydrogen battery's explosion produced, through elasticity fixed plate and elastic band and outer steel casing, can block the piece that nickel-hydrogen battery explosion produced, avoid nickel-hydrogen battery's explosion to harm crowd and environment around, and adopted the inner bag case that is filled with the dry powder, in case nickel-hydrogen battery is because the burning that the short circuit leads to, because high temperature burning, lead to the elasticity fixed plate to melt, thereby open the mouth that blocks up the inner bag case with the elasticity fixed plate, thereby make the dry powder inside the inner bag case enter into the nickel-hydrogen battery standing groove through the opening, thereby extinguish the nickel-hydrogen battery who burns, and then reach the purpose that the separation burning stretchs, and in case the condition that the dry powder can't put out, the water liquid filled in the protective outer box can also prevent the spread and the development of fire again.
Drawings
Fig. 1 is a schematic front view of the present invention;
fig. 2 is a schematic front perspective view of the present invention;
fig. 3 is a schematic top view of the present invention;
FIG. 4 is a front view of the inner container box of the present invention;
FIG. 5 is a front view of the cover of the present invention;
fig. 6 is a schematic structural diagram of the control device of the present invention.
The reference numbers in the figures illustrate:
1. a nickel-metal hydride battery case; 11. an outer steel shell; 12. protecting the outer box; 13. an elastic band; 14. a liner box; 15. an elastic heat-conducting plate; 16. an elastic fixing plate; 17. a nickel-metal hydride battery placing groove; 2. a box cover; 21. a convex edge; 3. connecting lugs; 4. a display screen; 5. a charging and discharging end of the nickel-hydrogen battery; 6. a wire; 7. an alarm; 8. a temperature sensor; 9. a nickel-metal hydride battery; 91. a control device; 911. a first resistor; 912. a second resistor; 913. a detection module; 914. a comparison module; 915. a control unit; 916. and (4) loading.
Detailed Description
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-6, a control device for preventing overdischarge of a nickel-metal hydride battery comprises a nickel-metal hydride battery 9, a control device 91 and a load 916, wherein the control device 91 comprises a first resistor 911, a second resistor 912, a detection module 913, a comparison module 914 and a control unit 915, an output and input end of the nickel-metal hydride battery 9 is connected with a charging and discharging end 5 of the nickel-metal hydride battery, a control signal output by the control unit 915 is connected with a receiving end of an alarm 7, an output end of the alarm 7 is electrically connected with a horn integrated thereon through a wire 6, a temperature sensor 8 is further mounted on the outer surface of the nickel-metal hydride battery 9, an output end of the temperature sensor 8 is connected with a display screen 4 through a wire 6, and the display screen 4 is mounted on the front; through the alarm 7, the temperature sensor 8 and the display screen 4, a user can directly and quickly judge whether the operating temperature of the nickel-hydrogen battery 9 is normal according to the content observed on the display screen 4, once the temperature is ultrahigh, the short circuit between the nickel-hydrogen battery 9 and the control device 91 can be judged, the nickel-hydrogen battery 9 can be prevented and maintained in advance, the nickel-hydrogen battery 9 can not be seriously damaged, the explosion or combustion caused by the short circuit of the nickel-hydrogen battery 9 can be effectively and timely prevented, meanwhile, the alarm 7 is adopted, under the condition that the nickel-hydrogen battery 9 is overdischarged, the control unit 915 can start the alarm 7 after cutting off the connection between the nickel-hydrogen battery 9 and a load 916, an alarm signal is sent through a horn integrated on the alarm 7, so that a worker around the nickel-hydrogen battery 9 can close the nickel-hydrogen battery 9, thereby avoiding long-term short circuits.
Further, a nickel-hydrogen battery placing groove 17 is formed in an inner cavity of the nickel-hydrogen battery box 1, the nickel-hydrogen battery box 1 comprises an outer steel shell 11, a protective outer box 12, elastic belts 13, a liner box 14, an elastic heat conducting plate 15 and an elastic fixing plate 16, the protective outer box 12 is connected to the inner portion of the outer steel shell 11 through screws, the liner box 14 is connected to the inner portion of the protective outer box 12 through screws, a gap is reserved between the protective outer box 12 and the liner box 14, a plurality of elastic belts 13 are longitudinally bonded to the outer surface of the liner box 14 along the box wall, the nickel-hydrogen battery placing groove 17 is formed in the middle of the inner cavity of the liner box 14, the elastic fixing plates 16 are bonded to narrow inner walls on two sides of the liner box 14, and the elastic heat conducting plates 15 are bonded to long inner walls on two; the protective outer box 12 is a closed box body, water liquid is filled in the inner cavity of the protective outer box 12, and the height of the protective outer box 12 is lower than that of the outer steel shell 11; the inner container box 14 is a closed box body, an opening is formed in the inner wall, connected with the elastic fixing plate 16, of the inner container box 14, the elastic fixing plate 16 completely seals the opening, and dry powder is filled in the inner cavity of the inner container box 14; the utility model discloses a nickel-hydrogen battery case 1 that sets up, and the outer box hat 11 that its inside set up, protection outer container 12, elastic band 13, inner bag case 14, elasticity heat-conducting plate 15 and elasticity fixed plate 16, can effectually block the piece that the explosion of nickel-hydrogen battery 9 produced, through elasticity fixed plate 16 and elastic band 13 and outer box hat 11, can block the piece that nickel-hydrogen battery 9 explosion produced, avoid the explosion of nickel-hydrogen battery 9 to hurt crowd and environment around, and adopted and filled the inner bag case 14 that has the dry powder, in case the burning that nickel-hydrogen battery 9 leads to because the short circuit, because high temperature burns, lead to elasticity fixed plate 16 to melt, thereby seal up the mouth of inner bag case 14 with elasticity fixed plate 16 and opened, thereby make the inside dry powder of inner bag case 14 enter into nickel-hydrogen battery standing groove 17 through the opening, thereby extinguish burning nickel-hydrogen battery 9, further, the purpose of preventing the spread of the fire is achieved, and once the dry powder cannot be extinguished, the water liquid filled in the protective outer box 12 can prevent the spread of the fire again.
Furthermore, the height of the outer steel shell 11 is consistent with that of the inner container box 14, the top of the nickel-metal hydride battery box 1 is provided with a box cover 2, the bottom of the box cover 2 is provided with a convex edge 21, the width of the convex edge 21 is matched with the gap between the outer steel shell 11 and the inner container box 14, the length of the convex edge 21 is matched with the height difference between the outer steel shell 11 and the protective outer box 12, the two sides of the box cover 2 are welded with connecting lugs 3, and the bottoms of the connecting lugs 3 are connected with the nickel-metal hydride battery box 1 through bolts; the design of the convex edge 21 and the connecting lug 3 avoids the falling of the box cover 2, so that the box cover 2 is connected with the nickel-hydrogen battery box 1 more tightly.
Furthermore, one surface of the elastic fixing plate 16 close to the inner container box 14 is a plane, and one surface of the elastic fixing plate 16 close to the nickel-hydrogen battery placing groove 17 is an arc surface.
Furthermore, one surface of the elastic heat-conducting plate 15, which is close to the inner container box 14, is a plane, and radiating scales are fixed on one surface of the elastic heat-conducting plate 15, which is close to the nickel-hydrogen battery placing groove 17, along the plate body at equal intervals.
The working principle is as follows: when the nickel-metal hydride battery 9 is overdischarged during use, the control device 91 cuts off the connection between the nickel-metal hydride battery 9 and the load 916 so as to achieve the temperature for controlling overdischarge, and the control unit 915 simultaneously starts the alarm 7, and the alarm 7 gives an alarm through a horn so as to prompt an operator to turn off the nickel-metal hydride battery 9; under the condition of normal use, a user can know the temperature of the nickel-hydrogen battery 9 detected by the temperature sensor 8 in the normal use process by observing the display screen 4 to judge whether the temperature exceeds the standard or not, the problem of short circuit occurs, and once the ground wire falls off, the burning problem caused by the short circuit occurs, the elastic fixing plate 16 is melted due to high-temperature burning, so that the opening of the protective outer box 12 is sealed and blocked by the elastic fixing plate 16 and is opened, so that dry powder in the protective outer box 12 enters the nickel-hydrogen battery placing groove 17 through the opening, the burning nickel-hydrogen battery 9 is extinguished, the purpose of blocking the burning spreading is further achieved, and the explosion problem caused by the short circuit is solved, fragments generated by explosion are blocked by the elastic fixing plate 16 and the elastic heat conducting plate 15 in a first layer, and the inner container 14 and the dry powder filled in the inner container finish a second layer, the protective outer box 12 and the outer steel shell 11 finish the third layer of separation, and the separation is carried out layer by layer, so that fragments generated by explosion can be effectively blocked, and the problem that the nickel-hydrogen battery 9 is easy to explode or burn due to short circuit by the control device 91 for preventing the over-discharge of the nickel-hydrogen battery 9 is solved.
The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims (7)

1. A control device for preventing overdischarge of a nickel-metal hydride battery, comprising the nickel-metal hydride battery (9), a control device (91) and a load (916), wherein the control device (91) comprises a first resistor (911), a second resistor (912), a detection module (913), a comparison module (914) and a control unit (915), the output and input ends of the nickel-metal hydride battery (9) are connected with a nickel-metal hydride battery charging and discharging end (5), and the control device is characterized in that: the control signal of control unit (915) output is connected with the receiving terminal of alarm (7), the output of alarm (7) is connected with the loudspeaker of integration above that through wire (6) electricity, temperature sensor (8) are still installed to the surface of nickel-hydrogen battery (9), the output of temperature sensor (8) is connected with display screen (4) through wire (6), install in the front of nickel-hydrogen battery case (1) display screen (4).
2. A control apparatus for preventing overdischarge of a nickel-hydrogen battery according to claim 1, wherein: the inner cavity of the nickel-metal hydride battery box (1) is provided with a nickel-metal hydride battery placing groove (17), the nickel-hydrogen battery box (1) comprises an outer steel shell (11), a protective outer box (12), an elastic band (13), an inner container box (14), an elastic heat-conducting plate (15) and an elastic fixing plate (16), the inner screw of the outer steel shell (11) is connected with a protective outer box (12), the inner screw of the protective outer box (12) is connected with an inner container box (14), a gap is reserved between the protective outer box (12) and the inner container box (14), a plurality of elastic belts (13) are bonded on the outer surface of the inner container box (14) along the longitudinal direction of the box wall, the middle part of the inner cavity of the inner container box (14) is provided with a nickel-hydrogen battery placing groove (17), the narrow inner walls at the two sides of the inner container box (14) are adhered with elastic fixing plates (16), elastic heat-conducting plates (15) are bonded on the long inner walls on the two sides of the inner container box (14).
3. A control apparatus for preventing overdischarge of a nickel-hydrogen battery according to claim 2, wherein: the protective outer box (12) is a closed box body, water liquid is filled in an inner cavity of the protective outer box (12), and the height of the protective outer box (12) is lower than that of the outer steel shell (11).
4. A control apparatus for preventing overdischarge of a nickel-hydrogen battery according to claim 2, wherein: the inner container box (14) is a closed box body, an opening is formed in the inner wall, connected with the elastic fixing plate (16), of the inner container box (14), the opening is completely sealed by the elastic fixing plate (16), and dry powder is filled in the inner cavity of the inner container box (14).
5. A control apparatus for preventing overdischarge of a nickel-hydrogen battery according to claim 2, wherein: the height of outer box hat (11) and the highly uniform of inner bag case (14), the top of nickel-hydrogen battery case (1) is provided with case lid (2), the bottom of case lid (2) is provided with protruding edge (21), protruding width along (21) and the clearance looks adaptation between outer box hat (11) and inner bag case (14), protruding length along (21) and outer box hat (11) and the difference in height looks adaptation between protection outer container (12), the both sides welding of case lid (2) has engaging lug (3), the bottom of engaging lug (3) is passed through the bolt and is connected with nickel-hydrogen battery case (1).
6. A control apparatus for preventing overdischarge of a nickel-hydrogen battery according to claim 2, wherein: one surface of the elastic fixing plate (16) close to the liner box (14) is a plane, and one surface of the elastic fixing plate (16) close to the nickel-hydrogen battery placing groove (17) is an arc surface.
7. A control apparatus for preventing overdischarge of a nickel-hydrogen battery according to claim 2, wherein: the one side that elasticity heat-conducting plate (15) are close to inner bag case (14) is the plane, the one side that elasticity heat-conducting plate (15) are close to nickel-hydrogen battery standing groove (17) is fixed with the heat dissipation scale along the plate body equidistance.
CN201920681392.0U 2019-05-14 2019-05-14 Control device for preventing over-discharge of nickel-hydrogen battery Active CN209896724U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920681392.0U CN209896724U (en) 2019-05-14 2019-05-14 Control device for preventing over-discharge of nickel-hydrogen battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920681392.0U CN209896724U (en) 2019-05-14 2019-05-14 Control device for preventing over-discharge of nickel-hydrogen battery

Publications (1)

Publication Number Publication Date
CN209896724U true CN209896724U (en) 2020-01-03

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GR01 Patent grant
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PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Control device for preventing over-discharge of nickel-metal hydride battery

Effective date of registration: 20200422

Granted publication date: 20200103

Pledgee: Industrial and Commercial Bank of China Limited Linyi Hedong sub branch

Pledgor: LINYI HUATAI BATTERY Co.,Ltd.

Registration number: Y2020980001709

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20210512

Granted publication date: 20200103

Pledgee: Industrial and Commercial Bank of China Limited Linyi Hedong sub branch

Pledgor: LINYI HUATAI BATTERY Co.,Ltd.

Registration number: Y2020980001709

PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A control device for preventing over discharge of Ni MH battery

Effective date of registration: 20210623

Granted publication date: 20200103

Pledgee: Industrial and Commercial Bank of China Limited Linyi Hedong sub branch

Pledgor: LINYI HUATAI BATTERY Co.,Ltd.

Registration number: Y2021980005123

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20220507

Granted publication date: 20200103

Pledgee: Industrial and Commercial Bank of China Limited Linyi Hedong sub branch

Pledgor: LINYI HUATAI BATTERY Co.,Ltd.

Registration number: Y2021980005123

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TR01 Transfer of patent right

Effective date of registration: 20220718

Address after: 276000 intersection of Changshen line and Gongye 1st Road, Tangtou street, Hedong District, Linyi City, Shandong Province

Patentee after: Shandong Huatai New Energy Battery Co.,Ltd.

Address before: 276000 Tangtou Town, Hedong District, Linyi City, Shandong Province

Patentee before: LINYI HUATAI BATTERY Co.,Ltd.