CN217655262U

CN217655262U - Storage battery detection device

Info

Publication number: CN217655262U
Application number: CN202220813078.5U
Authority: CN
Inventors: 吴永明; 刘志; 余学鲲
Original assignee: Beijing Cetpower Co ltd
Current assignee: BEIJING JIAJIE HENGXIN ENERGY TECHNOLOGY CO LTD
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-10-25
Anticipated expiration: 2032-04-08

Abstract

The utility model provides a battery detection equipment, this check out test set includes the casing, the control unit, display element and sensor module, the lower extreme of casing is uncovered, be used for the lid to close on the battery, sensor module is fixed in the casing, and it includes more than two temperature sensor and/or voltage sensor that have the probe, the probe is the needle type structure, when the casing lid closes on the battery, all probes all closely contact with the position of being surveyed under check out test set's action of gravity, and gather more than two cell temperatures and/or cell voltage simultaneously; the control unit is electrically connected with the temperature sensor, the voltage sensor and the display unit and is used for transmitting the received voltage and/or temperature signals to the display unit, and the display unit is used for displaying voltage and/or temperature information. The detection equipment can quickly detect and reduce manual operation; and under the action of gravity of the detection equipment, the probe with the needle-shaped structure is in close contact with the storage battery, so that the contact reliability can be improved.

Description

Storage battery detection device

Technical Field

The utility model belongs to the technical field of the battery test technique and specifically relates to a battery test equipment is related to.

Background

At present, in the use and maintenance process of nickel-hydrogen, nickel-chromium, silver-zinc and other storage batteries, key data information such as cell voltage, electrolyte temperature and the like needs to be obtained by manual measurement of instruments.

The applicant has found that the prior art has at least the following technical problems: in the prior art, the cell voltage and the electrolyte temperature of the storage battery are measured manually by using an instrument and a meter, and particularly, the temperature of 20 monomer electrolytes of each storage battery is required to be measured for 1 time every 30 minutes during the maintenance of the storage battery.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a storage battery detection device, which solves the technical problems that the existing detection devices for voltage, temperature and the like of the storage battery in the prior art can only measure the voltage of a single cell, the temperature of electrolyte and the like each time, and the detection efficiency is low; the utility model provides a plurality of technological effects that preferred technical scheme among a great deal of technical scheme can produce are seen in the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a pair of battery test equipment, test equipment includes casing, the control unit, display element and sensor module, wherein:

the lower end of the shell is open and used for covering the storage battery, the sensor assembly is fixed in the shell and comprises more than two temperature sensors and/or voltage sensors with probes, the probes are in a needle-shaped structure, and when the shell covers the storage battery, all the probes are in close contact with a measured position under the action of gravity of the detection equipment and simultaneously collect more than two single-cell temperatures and/or single-cell voltages;

the control unit is electrically connected with the temperature sensor, the voltage sensor and the display unit and is used for transmitting the received voltage and/or temperature signals to the display unit, and the display unit is used for displaying voltage and/or temperature information.

Preferably, an insulating plate is fixed in the shell, the upper part of the insulating plate is arranged at an interval with the top wall of the shell, the lower part of the insulating plate is arranged at an interval with the open end of the shell, and protective plates capable of insulating are arranged around the insulating plate; all the probes are fixed on the insulating plate and arranged on the insulating plate in a matrix form.

Preferably, the display unit comprises a display screen, the control unit is electrically connected with the display screen, and the display screen is fixed on the shell;

the shell is further provided with a control box, the control unit is located in the control box, and a network interface electrically connected with the control unit is arranged on the control box.

Preferably, the temperature sensor and the voltage sensor each further include an elastic portion and a connecting member, wherein:

an accommodating cavity is formed in the connecting piece, at least part of the probe is positioned in the accommodating cavity, and the probe is electrically connected with the control unit through a signal cable; the two ends of the elastic part respectively abut against the probe and the connecting piece, and the elastic part is in a compressed state under the action of gravity of the detection equipment, so that the probe is in close contact with a measured position.

Preferably, the connecting piece comprises a bolt body, and the peripheral wall of the bolt body is provided with an external thread for being in threaded connection with the insulating plate in the shell;

and the bolt body is connected with a locking nut, and the locking nut and the end head of the bolt body are used for clamping two sides of the insulating plate.

Preferably, a boss structure is arranged on the probe, and the outer diameter of the boss structure is larger than that of the rest part of the probe and is used for abutting against the lower end of the elastic part.

Preferably, a limiting cavity is further arranged in the lower end of the connecting piece, the limiting cavity is communicated with the accommodating cavity, the limiting cavity surrounds the periphery of the accommodating cavity, and the upper end of the elastic part is located in the limiting cavity and abuts against the upper wall of the limiting cavity.

Preferably, on the temperature sensor, the probe is a temperature probe, the signal cable penetrates through the connecting piece, and the lower end of the temperature probe is provided with a detection surface which is used for being in contact with a measured position;

on the voltage sensor, the probe is a voltage probe, the end part of the signal cable is provided with a mounting gasket, the mounting gasket is sleeved on the connecting piece and clamped and fixed by two nut pieces, and the lower end of the voltage probe is provided with a detection tip part which is used for being in contact with the measured position of the storage battery.

Preferably, the top wall of the shell is provided with more than two visible windows for observing the contact condition of the probe and the storage battery.

Preferably, the shell is provided with one or more handles for a user to hold.

The utility model provides a battery test equipment compares with prior art, has following beneficial effect: the shell can cover the storage battery, the sensors can comprise more than two temperature sensors and voltage sensors, when the shell covers the storage battery, all the probes are in close contact with the measured position under the action of gravity of the detection equipment, and simultaneously collect more than two single-cell electrolyte temperatures and single-cell voltages, and display temperature information and voltage information on the display unit, and multiple detection points are connected simultaneously, so that the rapid detection can be realized, the manual operation is reduced, and the detection efficiency can be improved; and under the action of gravity of the detection equipment, the probe with the needle type structure is in close contact with the storage battery, so that the contact reliability can be improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the structure of a battery test apparatus;

FIG. 2 is a front view of the battery test apparatus;

FIG. 3 is a bottom view of the battery test apparatus;

FIG. 4 is a top view of a battery testing apparatus;

FIG. 5 is a schematic structural view of a temperature sensor;

FIG. 6 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 5;

FIG. 7 is a schematic view of a voltage sensor;

fig. 8 is a schematic cross-sectional view at B-B in fig. 7.

In the figure 100, a housing; 200. a temperature sensor; 300. a voltage sensor; 400. an insulating plate; 401. a protection plate; 500. a display screen; 600. a control box; 700. a handle; 800. a visual window; 1. a probe; 11. detecting a surface; 12. detecting the tip part; 2. an elastic portion; 21. a boss structure; 3. a bolt body; 31. a tip; 32. an accommodating chamber; 33. a limiting cavity; 4. a signal cable; 5. locking the nut; 6. installing a gasket; 7. a nut member; 8. and (6) a gasket.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "height", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.

The embodiment of the utility model provides a can carry out short-term test's battery test equipment to battery total voltage, cell voltage, electrolyte density temperature data.

The technical solution provided by the present invention is explained in more detail with reference to fig. 1-8.

As shown in fig. 1-8, wherein a section of the housing 100 is cut away in fig. 1 to see the temperature sensor 200 and the voltage sensor 300; the present embodiment provides a battery inspection apparatus including a case 100, a control unit, a display unit, and a sensor assembly, wherein: the lower end of the shell 100 is open and used for covering the storage battery, the sensor assembly is fixed in the shell 100 and comprises more than two temperature sensors 200 and/or voltage sensors 300 with probes 1, the probes 1 are in a needle-shaped structure, when the shell 100 covers the storage battery, all the probes 1 are in close contact with a measured position under the action of gravity of detection equipment, and more than two single-cell temperatures and/or single-cell voltages are acquired simultaneously; the control unit is electrically connected with the temperature sensor 200, the voltage sensor 300 and the display unit, and is used for transmitting the received voltage and/or temperature signal to the display unit, and the display unit is used for displaying the voltage and/or temperature information.

Wherein, only more than two temperature sensors 200 with probes 1 can be arranged in the housing 100, or only more than two voltage sensors 300 with probes 1 can be arranged, preferably, the sensor assembly of the embodiment comprises more than two temperature sensors 200 with probes 1 and more than two voltage sensors 300, which is convenient for simultaneously collecting more than two single-cell electrolyte temperatures and single-cell voltages and displaying them on the display unit.

In the battery detection device of the embodiment, the housing 100 can be covered on the battery, the sensors can include more than two temperature sensors 200 and voltage sensors 300, when the housing 100 is covered on the battery, all the probes 1 are in close contact with the detected position under the action of gravity of the detection device, and simultaneously collect more than two single-cell electrolyte temperatures and single-cell voltages, and display the temperature information and the voltage information on the display unit, and multiple detection points are connected simultaneously, so that the detection can be performed quickly, manual operations are reduced, and the detection efficiency can be improved; and under the action of gravity of the detection equipment, the probe 1 with the needle-shaped structure is in close contact with the storage battery, so that the contact reliability can be improved.

As an alternative embodiment, referring to fig. 1, in the case 100 of this embodiment, an insulating plate 400 is fixed, an upper portion of the insulating plate 400 is spaced from a top wall of the case 100, a lower portion of the insulating plate 400 is spaced from an open end of the case 100, a cavity for a storage battery to extend into is formed below the insulating plate 400 in the case 100, and a protective plate 401 capable of insulating is disposed around the insulating plate 400; all the probes 1 are fixed on the insulating plate 400 and arranged in a matrix on the insulating plate 400.

Above-mentioned insulation board 400 and protection shield 401 homoenergetic can play insulating effect, guarantee the power consumption safety, and probe 1 of all temperature sensor 200 and voltage sensor 300 all on insulation board 400 with the cell quantity and the position one-to-one of battery to be the matrix and arrange, above-mentioned arrangement can survey all cell voltages, cell electrolyte temperature of battery simultaneously, and with data information transmission to display element on.

As an alternative embodiment, referring to fig. 1, the display unit includes a display screen 500, the control unit is electrically connected to the display screen 500, the display screen 500 is fixed on the casing 100, and the display screen 500 can convert the temperature information and the voltage information transmitted by the control unit into digital information and display the digital information at the same time, which is convenient for the inspector to check; the casing 100 is further provided with a control box 600, the control unit is located in the control box 600, and the control box 600 is provided with a network interface electrically connected with the control unit.

Wherein, the control unit is located the circuit board, and the circuit board is fixed in control box 600, and control box 600 seals the setting to guarantee that control circuit board is not corroded by acid-base gas.

In this embodiment, all the temperature sensors 200 and the voltage sensors 300 in the housing 100 transmit the temperature and voltage data collected by the corresponding probe 1 through the ethernet cable, the server performs database storage management on the collected voltage and temperature data, and the management system performs intelligent management according to the collected data information. The number of different types of battery cells is different, and in the design of the quick storage battery detection device, the size of the detection equipment and the number of the temperature sensors 200 and the voltage sensors 300 can be set according to the number of the cells of the storage battery. The sampling method can realize cyclic switching sampling through MCU control, and communication between the control unit and the upper computer is realized through the integrated Ethernet module. The IP address of the detection device is set through the two-dimensional code designed above, and once the IP address is set, the IP address is bound with the ID information on the two-dimensional code. The above setting as the existing program is not described herein. The principle of measuring the temperature of the single-cell battery is the same as that of measuring the voltage of the single cell battery, sampling is carried out in a circulating switching mode, then a signal of the temperature sensor 200 is transmitted to the control unit, and the control unit collects data and sends the data to the upper computer server through the Ethernet.

The embodiment also provides a specific arrangement mode of the temperature sensor 200 and the voltage sensor 300, which can ensure that the corresponding probe 1 is in close contact with the measured position of the storage battery.

As shown in fig. 5 to 8, each of the temperature sensor 200 and the voltage sensor 300 of the present embodiment further includes an elastic portion 2 and a connecting member (the connecting member includes a bolt body 3), wherein: a containing cavity 32 is formed in the connector, and at least part of the probe 1 is positioned in the containing cavity 32 and is connected with the signal cable 4; two ends of the elastic part 2 are respectively abutted between the probe 1 and the connecting piece, and the elastic part 2 is in a compressed state under the action of gravity of the detection equipment, so that the probe 1 is in close contact with a measured position. The elastic part 2 of the present embodiment includes a compression spring, and the compression spring is sleeved on the periphery of the probe 1.

When measuring the temperature, voltage of battery etc. the probe 1 detection end sets up down, and detection equipment can cover and close on the battery, and under detection equipment's action of gravity, elastic component 2 is in compression state, and under the elastic force effect of elastic component 2, elastic component 2 can promote probe 1 and the position in close contact with that surveyed, prevents that probe 1 from taking place to break away from with the measured object and leading to the problem of contact failure to appear, has guaranteed the accurate survey of information such as measured object voltage, temperature.

As an alternative embodiment, referring to fig. 5 to 8, the connector includes a bolt body 3, and the peripheral wall of the bolt body 3 is provided with an external thread for screwing with the insulating plate 400 inside the casing 100; the bolt body 3 is connected with a locking nut 5, and the locking nut 5 and the end head 31 of the bolt body 3 are used for clamping two sides of the insulating plate 400.

When the bolt body 3 is in threaded connection with the insulating plate 400 of the detection device, the locking nut 5 and the bolt body 3 can be in threaded connection, so that the locking nut 5 and the end 31 of the bolt body 3 are clamped on two sides of the insulating plate 400, and the stability of a connection structure between the bolt body 3 and the insulating plate 400 is ensured.

As an alternative embodiment, referring to fig. 5-8, the probe 1 is provided with a boss structure 21, and the outer diameter of the boss structure 21 is larger than that of the rest of the probe 1 for abutting against the lower end of the elastic part 2. The boss structure 21 can be integrally formed with the rest part of the probe 1, an unnecessary connecting structure is not needed, the stability of the structure is guaranteed, and the boss structure can be matched with a connecting piece (a bolt body 3) to guarantee stable fixation of the elastic part 2.

As an alternative embodiment, referring to fig. 5-8, a limiting cavity 33 is further formed in the lower end of the connecting member, the limiting cavity 33 is communicated with the accommodating cavity 32, the limiting cavity 33 surrounds the periphery of the accommodating cavity 32, and the upper end of the elastic part 2 is positioned in the limiting cavity 33 and abuts against the upper wall of the limiting cavity 33.

The upper end of the elastic part 2 is located in the limit cavity 33, the limit cavity 33 can prevent the position of the elastic part 2 (compression spring) from shifting left and right, as shown in fig. 5-8, two ends of the elastic part 2 (compression spring) respectively abut against the upper wall of the limit cavity 33 and the boss structure 21 of the probe 1, and the elastic part 2 can be ensured to be in a compressed state under the action of gravity of the detection device.

The temperature sensor 200 and the voltage sensor 300 in the present embodiment have the following different structures: referring to fig. 5 and 6, in the temperature sensor 200, the probe 1 is a temperature probe, the signal cable 4 passes through the connector, and the lower end of the temperature probe is provided with a detection surface 11 for contacting with the measured position. The PTC resistor is arranged in the temperature probe and is directly and tightly contacted with a product to be detected, when the temperature rises or falls, the resistance value of the PTC resistor is changed, and a detection signal is sent out through the signal cable 4 embedded in the temperature probe 1. Above-mentioned needle type temperature sensor 200 is whole to be stainless steel, can be used for measuring battery cell's temperature, is in the same place a plurality of needle type temperature sensor 200 integrations in the check out test set, can be fast effectual carries out temperature detection to the multiple spot of battery.

Referring to fig. 7 and 8, in the voltage sensor 300, the probe 1 is a voltage probe, the end of the signal cable 4 is provided with a mounting washer 6, the mounting washer 6 is sleeved on the connecting piece and clamped and fixed by two nut pieces 7, and the lower end of the voltage probe is provided with a detection tip 12 for contacting with a measured position of the storage battery.

Referring to fig. 7 and 8, a gasket 8 is arranged between the nut member 7 and the mounting washer 6 to ensure the structural stability. The detecting tip 12 of the voltage probe is used to contact with the electrode of the accumulator, and the voltage signal is transmitted out through the signal cable 4 connected with the voltage probe.

As an alternative embodiment, referring to fig. 1 and 4, a top wall of the housing 100 is provided with two or more viewing windows 800, and a transparent epoxy resin plate may be disposed on the viewing windows 800 to observe the contact condition between the corresponding probe 1 and the storage battery.

As an alternative embodiment, referring to fig. 1 and 4, the housing 100 of the present embodiment is provided with one or more handles 700, and the number of the handles 700 is one or more than two for being held by a user; when detecting, the user can cover the housing 100 on the storage battery by holding the handle 700, and the use is convenient.

The particular features, structures, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention 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 invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A battery testing apparatus, comprising a housing, a control unit, a display unit and a sensor assembly, wherein:

2. The battery testing device according to claim 1, wherein an insulating plate is fixed in the housing, the upper part of the insulating plate is spaced from the top wall of the housing, the lower part of the insulating plate is spaced from the open end of the housing, and a protective plate capable of insulating is arranged around the insulating plate; all the probes are fixed on the insulating plate and arranged on the insulating plate in a matrix form.

3. The battery testing apparatus of claim 1, wherein said display unit comprises a display screen, said control unit is electrically connected to said display screen, and said display screen is fixed to said housing;

4. The battery detection apparatus according to claim 1, wherein the temperature sensor and the voltage sensor each further include an elastic portion and a connecting member, wherein:

5. The battery testing apparatus of claim 4, wherein said connector comprises a bolt body having a peripheral wall provided with external threads for threaded engagement with an insulating plate within said housing;

the bolt body is connected with a locking nut, and the locking nut and the end head of the bolt body are clamped on two sides of the insulating plate.

6. The battery testing apparatus of claim 4, wherein the probe has a boss structure disposed thereon, the boss structure having an outer diameter greater than an outer diameter of the rest of the probe for abutting against a lower end of the resilient portion.

7. The battery testing device according to claim 4, wherein a limiting cavity is further formed in the lower end of the connecting member, the limiting cavity is communicated with the accommodating cavity and surrounds the periphery of the accommodating cavity, and the upper end of the elastic part is located in the limiting cavity and abuts against the upper wall of the limiting cavity.

8. The battery testing apparatus according to claim 4, wherein the probe is a temperature probe on the temperature sensor, the signal cable passes through the connecting member, and a lower end of the temperature probe is provided with a testing surface for contacting with a tested position;

9. The battery testing apparatus according to claim 1, wherein the top wall of the housing is provided with two or more windows for observing contact between the probe and the battery.

10. The battery testing apparatus of claim 1, wherein the housing is provided with one or more handles for a user to hold.