CN220602602U - Composite detector - Google Patents

Abstract

The application relates to a composite detector, and relates to the field of detectors. The battery pack comprises a shell, a detection circuit module used for detecting gas and temperature is arranged in the shell, a detection head is arranged on the shell, a through hole communicated with the inside of the shell is formed in the detection head, the shell can be detachably arranged outside a battery, and the shell can be communicated with the inside of the battery pack through the through hole. The utility model provides a work efficiency that the operator overhauld or changed the detector in-process can be improved.

Description

Composite detector

Technical Field

The present application relates to the field of detectors, and in particular, to a composite detector.

Background

Under the background of the vast development of clean energy in China, the construction scale and speed of renewable energy sources such as photovoltaic energy, wind energy and the like are accelerated. The development of energy storage technology effectively solves the passive regulation burden of the power grid, and is a key for supporting the stable and large-scale development of renewable energy sources.

The energy storage power station is used for storing electric energy generated by power generation devices such as photovoltaic and wind energy, a plurality of battery packs used for storing electricity are arranged in the energy storage power station, a detector is configured for each battery pack for safe use of the energy storage power station, the detector is used for detecting gas and temperature in the battery pack, whether fire occurs in the battery pack is judged, and a series of fire protection measures exist once the fire occurs. In order to ensure proper operation of the detector, operators need to periodically overhaul the detector and replace the damaged or aged detector.

The traditional detector is installed in the battery pack, and when the detector needs to be overhauled or replaced, the battery pack needs to be disassembled, and the protection level of the battery pack also needs to be re-detected after the overhauling or replacing is finished, so that the whole process is too complicated, and the working efficiency of the detector is seriously influenced by an operator.

Disclosure of Invention

In order to improve the working efficiency of an operator in the process of overhauling or replacing the detector, the application provides a composite detector.

The application provides a composite detector adopts following technical scheme:

the utility model provides a compound detector, includes the casing, be provided with the detection circuit module that is used for detecting gas and temperature in the casing, be provided with the detecting head on the casing, be provided with on the detecting head with the inside through-hole of intercommunication of casing, the casing can be dismantled and set up outside the battery package, just the casing can pass through the through-hole with the inside intercommunication of battery package.

Through adopting above-mentioned technical scheme, the casing demountable installation of detector is outside the battery package, and the detection circuit module in the casing detects gas and temperature state in the battery package through the through-hole, and then monitors whether the battery fires. The shell of the detector is detachably arranged outside the battery pack, so that an operator can conveniently overhaul or replace the detector regularly, the operator does not need to open the battery pack and detach the detector, the operation flow is simplified, and further the working efficiency of the operator in the process of overhauling or replacing the detector is improved.

Optionally, the casing includes casing and cap, the through-hole is located on the cap, cap demountable installation in the casing, just the cap with enclose into between the casing and be used for holding detection circuit module's installation cavity, the pencil of being connected on the circuit module runs through the casing, and stretches out outside the casing.

Through adopting above-mentioned technical scheme, the concatenation can be dismantled to cap and casing, makes things convenient for the operator to change or overhaul the detection circuit module in the casing, through this mode, the operator need not whole change detector, is favorable to reducing the wasting of resources, has energy-concerving and environment-protective effect.

Optionally, the shell body orientation the one end of cap be provided with be used for sealing self with the first sealing member of the joint between the cap, be provided with on the cap be used for sealing self with the second sealing member of the gap between the battery package.

Through adopting above-mentioned technical scheme, improve sealed effect through first sealing member between shell body and the cap, improve sealed effect through the second sealing member between cap and the battery package, reduce outside air and get into in casing and the battery package, lead to detecting circuit module testing result inaccurate condition.

Optionally, the shell body is provided with the barrel that is used for supplying the pencil wears to establish, the cover is equipped with on the pencil be used for sealing the pencil with the seal cylinder in gap between the barrel inner wall.

Through adopting above-mentioned technical scheme, set up sealed section of thick bamboo and seal between pencil and barrel, reduce gas or moisture and enter into in the casing, lead to detecting circuit module detection result inaccurate condition.

Optionally, the barrel deviates from offer the round can hold the mounting groove of seal cartridge on the inner wall of shell body one end, seal cartridge part is located in the mounting groove, the seal cartridge overcoat is equipped with the lantern ring, the lantern ring part wears to locate in the barrel, lantern ring one end stretches out outside the mounting groove to fixedly connected with bulge loop, the bulge loop external diameter is greater than the barrel internal diameter, fixedly connected with preforming on the bulge loop, the preforming can compress tightly in on the outer wall of seal cartridge, the cover is equipped with the sleeve on the pencil, be provided with on the sleeve inner wall and be used for promoting each the inclined plane that the preforming foled each other, the sleeve can dismantle set up in on the barrel.

Through adopting above-mentioned technical scheme, seal tube one end wears to locate the mounting groove, and the butt is on the mounting groove is close to the groove diapire of shell one side, the lantern ring is all overlapped on the seal tube, and the lantern ring is pegged graft in the mounting groove, the bulge loop is used for restricting each preforming and contracts into the mounting groove, a plurality of preformings on the bulge loop all compress tightly on the terminal surface that seal tube deviates from the shell, the sleeve cover is located on the pencil, the operator promotes the sleeve and removes towards the barrel direction, telescopic inclined plane butt each preforming, and promote each preforming and fold each other, and compress tightly the seal tube on the pencil outer wall, follow sleeve and continue to remove towards the shell, under the thrust effect of inclined plane to preforming and seal tube, make seal tube support tightly in the tank bottom wall of mounting groove towards the one end of shell, and then make seal tube support tightly simultaneously in pencil and barrel inner wall, realize the sealed effect to the gap between pencil and the shell. In addition, the sleeve promotes the preforming through the inclined plane and folds to compress tightly sealed section of thick bamboo, thereby indirectly compress tightly the pencil, realize the fixed position between pencil and the barrel, reduce the pencil and take place not hard up with detection circuit module under external force pulling effect, lead to the poor contact or directly lead to the condition of breaking circuit.

Optionally, a circle of step groove for installing the detection circuit module is formed in the inner wall of the shell, and a limiting component for limiting the detection circuit module to the step groove is arranged in the shell.

Through adopting above-mentioned technical scheme, the step groove is used for fixing a position to the detection circuit module, sets up spacing subassembly and spacing in the step groove with the detection circuit module, then realizes the fixed in position of detection circuit module in the shell body.

Optionally, the limiting component comprises a bolt, and the bolt penetrates through the detection circuit module and is in threaded connection with the inner wall of the shell.

Through adopting above-mentioned technical scheme, run through detection circuit module with the bolt to make bolt threaded connection on the inner wall of casing, compress tightly detection circuit module in the step inslot through the bolt, realize detection circuit module detachable position fixing in the casing.

Optionally, a gasket and a spring washer are sleeved on the bolt, the bolt compresses the spring washer on the gasket, and the gasket abuts against the detection circuit module.

Through adopting above-mentioned technical scheme, the bolt compresses tightly the spring washer on the gasket to limit in the step inslot with detection circuit module through the gasket, realize that detection circuit module can dismantle the fixed position in the casing, support tight bolt through setting up the spring washer, can play locking effect, through setting up the gasket between spring washer and detection circuit module, avoid spring washer and detection circuit module direct contact, local pressure when reducing detection circuit module pressurized, and then when reducing detection circuit board installation, local pressure is too big, leads to the condition of damage.

Optionally, a filter screen is detachably arranged on the shell cover, and the filter screen covers the through holes.

Through adopting above-mentioned technical scheme, set up the filter screen to make the filter screen cover the through-hole, play the effect that shelters from dust, impurity and winged insect.

In summary, the present application includes at least one of the following beneficial technical effects: the shell of the detector is detachably arranged outside the battery pack, so that an operator can conveniently overhaul or replace the detector regularly, the operator does not need to open the battery pack and detach the detector, the operation flow is simplified, and further the working efficiency of the operator in the process of overhauling or replacing the detector is improved.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is a cross-sectional view of an embodiment of the present application for embodying a mounting cavity.

Fig. 3 is an exploded view of an embodiment of the present application for embodying a spacing assembly.

Fig. 4 is an exploded view of an embodiment of the present application for embodying a seal cartridge, collar, and wafer.

Fig. 5 is an enlarged schematic view of the portion a in fig. 2.

Reference numerals illustrate: 1. a housing; 11. a shell body; 12. a cover; 13. a step groove; 14. a mounting cavity; 15. a probe; 16. a through hole; 2. a detection circuit module; 21. a wire harness; 3. a first seal; 31. a second seal; 32. a filter screen; 33. a limit ring; 4. a limit component; 41. a bolt; 42. a spring washer; 43. a gasket; 5. a cylinder; 51. a mounting groove; 52. a sealing cylinder; 53. a collar; 54. a convex ring; 55. tabletting; 56. a sleeve; 57. and (5) an inclined plane.

Description of the embodiments

The present application is described in further detail below in conjunction with figures 1-5.

The embodiment of the application discloses a composite detector. As shown in fig. 1 and 2, the composite detector includes a housing 1, a detection circuit module 2 is disposed in the housing 1, the detection circuit module 2 includes a circuit board, a gas detection sensor for detecting hydrogen and carbon monoxide and a temperature sensor for monitoring temperature are mounted on the circuit board, a wire harness 21 is connected on the circuit board, and the wire harness 21 penetrates through the housing 1 and extends out of the housing 1, and is used for supplying power to the circuit board and transmitting detection information on the circuit board to a monitoring host. The casing 1 can be arbitrary shape, and casing 1 is cylindric in this application embodiment, and the coaxial core is provided with cylindrical detecting head 15 on the terminal surface of the one end of casing 1 along self axial, and detecting head 15 deviates from offer on the terminal surface of casing 1 with casing 1 inside intercommunication's through-hole 16. The casing 1 can demountable installation on the battery package, and the battery package corresponds casing 1 position and has seted up the mounting hole with the inside intercommunication of self, and when casing 1 installs on the battery package, probe 15 peg graft in the mounting hole for casing 1 passes through hole 16 and the inside intercommunication of battery package.

The shell 1 can be detachably arranged on the battery pack in a flange fixing mode, can be detachably arranged on the battery pack through a screw, and can also be arranged on the battery pack in an interference fit mode. The embodiment of the application is provided with threads on the peripheral wall of the detecting head 15, and the detecting head 15 is fixedly connected in the mounting hole of the battery pack in a threaded connection mode, so that the effect that the shell 1 can be detachably mounted on the outer wall of the battery pack is achieved.

The casing 1 includes casing 11, and casing 11 is the solid of revolution, and casing 11's one end can be dismantled and be provided with cap 12, and casing 11 and cap 12's opposite face all are provided with the inner chamber, and when cap 12 installed in casing 11, casing 11 encloses into with cap 12 and is used for holding detection circuit module 2's installation cavity 14. The shell 11 can be through flange fixed's mode and the detachable connection of cap 12, also can be through screw member with shell 11 and cap 12 connection, in this embodiment of the application, be provided with the external screw thread on the outer wall that shell 11 is close to self inner chamber opening one end, be provided with round internal nut on the inner wall that shell 12 is close to self inner chamber opening one end, shell 12 can with shell 11 threaded connection, realizes that shell 12 and shell 11 can dismantle the connection.

Be provided with first sealing member 3 between cap 12 and the shell 11, first sealing member 3 can be the rubber circle of clamp-on between cap 12 and shell 11, also can be fixed connection in cap 12 or shell 11 joint strip, and in this application embodiment, first annular has been seted up to the outer wall coaxial of shell 11, and first annular is embedded to be equipped with round first sealing washer, and first sealing washer can inlay to establish or glue to be fixed in the first annular. When the shell cover 12 is in threaded connection with the shell body 11, the end face, close to the inner cavity opening, of the shell cover 12 is pressed on the first sealing ring, and the sealing effect between the shell body 11 and the shell cover 12 is achieved.

The detecting head 15 is coaxially arranged on the end face of the shell cover 12, which is away from the shell body 11, and a through hole 16 on the detecting head 15 is communicated with the mounting cavity 14. The outer diameter of the probe 15 is smaller than the outer diameter of the housing cover 12, and a second seal 31 is provided on the end face of the housing cover 12 facing away from the proximity of the probe 15. The second sealing member 31 may be a rubber ring sleeved on the outer wall of the probe 15, or may be a sealing rubber strip fixedly connected to the housing cover 12 or the battery pack, in this embodiment, a ring of second ring groove is formed on the end surface of the housing cover 12 close to the probe 15, the second ring groove and the housing cover 12 are coaxially arranged, and a ring of second sealing ring is embedded in or glued and fixed to the second ring groove. When an operator installs the shell 1 on the battery pack, the second sealing ring on the shell cover 12 abuts against the outer wall of the battery pack, and sealing fixation between the battery pack and the shell cover 12 is achieved.

The filter screen 32 for covering the through holes 16 is detachably arranged in the shell cover 12, the filter screen 32 can be fixed in the shell cover 12 through the clamp springs in the shell cover 12, and the filter screen 32 can be fixed in the shell cover 12 through screw members. In this embodiment, cap 12 interference fit has spacing collar 33, and spacing collar 33 is spacing filter screen 32 in cap 12, realizes filter screen 32 demountable installation in cap 12.

As shown in fig. 2 and 3, a circle of step groove 13 is formed on the inner wall of the shell 11 close to the opening of the inner cavity, the step groove 13 is used for accommodating the circuit board of the detection circuit module 2, and a limiting assembly 4 used for limiting the circuit board of the detection circuit module 2 to the step groove 13 is arranged in the shell 11. The limiting component 4 can limit the circuit board in the step groove 13 through a clamp spring, or fix the circuit board of the detection circuit module 2 in the step groove 13 through a screw.

In this embodiment, spacing subassembly 4 is including a plurality of bolts 41 that run through detection circuit module 2 circuit board, and the one end threaded connection of detection circuit module 2 circuit board is worn out to bolt 41 is on shell 11 inner wall, compresses tightly detection circuit module 2 circuit board in step groove 13 through bolt 41.

The bolt 41 can be provided with a spring washer 42 and a gasket 43 in a sleeved mode on one side, facing the shell cover 12, of the circuit board of the detection circuit module 2, the gasket 43 is located between the spring washer 42 and the circuit board of the detection circuit module 2, and an operator can press the gasket 43 on the circuit board of the detection circuit module 2 by screwing the bolt 41.

As shown in fig. 4 and 5, a cylindrical barrel 5 is coaxially disposed on an end surface of the housing 11 facing away from the housing cover 12, the barrel 5 may be fixedly connected to the housing 11 by welding or integrally forming, and the wire harness 21 may extend out of the housing 1 through the barrel 5. A circle of mounting groove 51 is coaxially arranged on the inner wall of the cylinder body 5, a cylindrical sealing cylinder 52 is sleeved on the wire harness 21, one end of the sealing cylinder 52 along the axial direction of the wire harness is penetrated in the mounting groove 51, and the other end of the sealing cylinder 52 along the axial direction of the wire harness extends out of the mounting groove 51. The sealing cylinder 52 is sleeved with a collar 53, the outer diameter of the collar 53 is smaller than the diameter of the mounting groove 51, a convex ring 54 is integrally formed on one end face of the collar 53 in a coaxial mode, and the convex ring 54 is sleeved on the sealing cylinder 52. The outer diameter of the collar 54 is larger than the diameter of the mounting groove 51 and smaller than the outer diameter of the cylinder 5. The convex rings 54 are far away from the one end fixedly connected with a plurality of preforming 55 of lantern ring 53, and preforming 55 have elasticity, and a plurality of preforming 55 are evenly arranged along the circumferencial direction of convex rings 54, and leave the clearance between two adjacent convex rings 54, and the one end that each preforming 55 kept away from convex rings 54 is inclined in opposite directions for prevent sealed section of thick bamboo 52 to run through the hole that encloses between a plurality of preforming 55. The wire harness 21 is also sleeved with a sleeve 56, the cylinder 5 is detachably arranged on the cylinder 5, an annular inclined surface 57 is arranged on the inner wall of the sleeve 56, and the inclined surface 57 is used for pushing each pressing piece 55 to fold mutually. The sleeve 56 can be connected with the barrel 5 through flange connection, also can install on the barrel 5 through the mode that the screw connection, in this application embodiment, be provided with the external screw thread on the barrel 5 periphery wall, be provided with the internal screw thread on the sleeve 56 inner wall, sleeve 56 can threaded connection on the barrel 5, realizes that sleeve 56 can dismantle the installation on the barrel 5.

When installing the seal cylinder 52 and the lantern ring 53, an operator firstly sleeves the seal cylinder 52 on the wire harness 21 and moves the seal cylinder 52 so that one end of the seal cylinder 52 is inserted into the mounting groove 51, then the operator sleeves the lantern ring 53 on the wire harness 21, the pressing sheet 55 on the lantern ring 53 is arranged in a direction deviating from the shell 11, the lantern ring 53 and the convex ring 54 are sleeved on the seal cylinder 52 by moving the lantern ring 53, the lantern ring 53 is partially inserted into the mounting groove 51, and at the moment, the opposite surfaces of the pressing sheets 55 are all abutted against the end surface of the seal cylinder 52. The operator is with sleeve 56 cover locate on the pencil 21 to with sleeve 56 orientation barrel 5 direction removal, under the promotion effect of inclined plane 57 to each inclined plane 57, make a plurality of preformings 55 fold each other, preforming 55 folds and compresses tightly seal cylinder 52, makes seal cylinder 52 butt on the pencil 21 outer wall. The operator turns the sleeve 56 to enable the sleeve 56 to be in threaded connection with the cylinder 5, and in the process, the sleeve 56 continuously moves towards the shell 11, so that one end of the sealing cylinder 52 abuts against the bottom wall of the mounting groove 51, which is close to the shell 11, and the sealing effect of the sealing cylinder 52 between the cylinder 5 and the wire harness 21 is achieved.

The implementation principle of the embodiment of the application is as follows: the shell 1 of the detector is detachably arranged outside the battery pack, and the detection circuit module 2 in the shell 1 detects the gas and temperature state in the battery pack through the through hole 16, so as to monitor whether the battery pack is on fire or not. The shell 1 of the detector is detachably arranged outside the battery pack, so that an operator can conveniently overhaul or replace the detector regularly, the operator does not need to open the battery pack and detach the detector, the operation flow is simplified, and further the working efficiency of the operator in the process of overhauling or replacing the detector is improved.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (9)

1. A composite detector, characterized by: including casing (1), be provided with in casing (1) and be used for detecting detection circuit module (2) of gas and temperature, be provided with on casing (1) and survey head (15), be provided with on survey head (15) with inside through-hole (16) of intercommunication of casing (1), casing (1) can dismantle the setting outside the battery package, just casing (1) can pass through-hole (16) with the inside intercommunication of battery package.

2. A composite detector according to claim 1, wherein: the shell (1) comprises a shell body (11) and a shell cover (12), the through hole (16) is formed in the shell cover (12), the shell cover (12) is detachably mounted on the shell body (11), a mounting cavity (14) for accommodating the detection circuit module (2) is formed between the shell cover (12) and the shell (1), and a wire harness (21) connected to the circuit module (2) penetrates through the shell body (11) and stretches out of the shell body (11).

3. A composite detector according to claim 2, wherein: one end of the shell body (11) facing the shell cover (12) is provided with a first sealing piece (3) used for sealing a connecting seam between the shell cover (12), and the shell cover (12) is provided with a second sealing piece (31) used for sealing a gap between the shell body and the battery pack.

4. A composite detector according to claim 2, wherein: the shell body (11) is provided with a cylinder body (5) used for the wire harness (21) to penetrate through, and a sealing cylinder (52) used for sealing a gap between the wire harness (21) and the inner wall of the cylinder body (5) is sleeved on the wire harness (21).

5. A composite detector according to claim 4, wherein: the utility model discloses a barrel, including shell (11) and sleeve (56), shell (5) are equipped with round can hold mounting groove (51) of seal cartridge (52) on the inner wall of shell (11) one end, seal cartridge (52) part is located in mounting groove (51), seal cartridge (52) overcoat is equipped with lantern ring (53), lantern ring (53) part wears to locate in shell (5), lantern ring (53) one end stretches out outside mounting groove (51) to fixedly connected with bulge loop (54), bulge loop (54) external diameter is greater than shell (5) internal diameter, fixedly connected with preforming (55) on bulge loop (54), preforming (55) can compress tightly in on the outer wall of seal cartridge (52), the cover is equipped with sleeve (56) on pencil (21), be provided with on sleeve (56) inner wall and be used for promoting each preforming is folded each inclined plane (57) each other, sleeve (56) can dismantle set up in on shell (5).

6. A composite detector according to any one of claims 2-5, wherein: a circle of step groove (13) for installing the detection circuit module (2) is formed in the inner wall of the shell body (11), and a limiting assembly (4) for limiting the detection circuit module (2) to the step groove (13) is arranged in the shell body (11).

7. A composite detector according to claim 6, wherein: the limiting assembly (4) comprises a bolt (41), and the bolt (41) penetrates through the detection circuit module (2) and is connected to the inner wall of the shell body (11) in a threaded mode.

8. A composite detector according to claim 7, wherein: the bolt (41) is sleeved with a gasket (43) and a spring washer (42), the bolt (41) tightly presses the spring washer (42) on the gasket (43), and the gasket (43) is abutted against the detection circuit module (2).

9. A composite detector according to any one of claims 2-4, wherein: a filter screen (32) is detachably arranged on the shell cover (12), and the filter screen (32) covers the through holes (16).