JP2022129949A - Measurement device - Google Patents

Abstract

To provide a measurement device which is suppressed in a rise of cost at manufacturing and maintenance time and yet has high weatherability.SOLUTION: The measurement device comprises a probe portion and a body portion. The probe portion includes a vibration probe and a temperature probe. The body portion includes: a circuit board signal-connected to the vibration probe and the temperature probe; a battery unit 110 supplying electric power to the circuit board; and a body case housing the circuit board and the battery unit 110. The body case includes a partition wall partitioning between a region where the circuit board is housed and a region where the battery unit 110 is housed. The battery unit includes four batteries 110b, a battery case housing the batteries 110b in a fluid-tight manner, and heat insulating layers 123, 124 formed on the inner wall surface of the battery case. The heat insulating layer 123 is formed on the inner wall surface of a case member 110c constituting the battery case, and the heat insulating layer 124 is formed on the inner wall surface of a lid member 110d constituting the battery case.SELECTED DRAWING: Figure 6

Description

TECHNICAL FIELD The present invention relates to a measuring device, and more particularly to a measuring device for measuring a steam trap, a steam pipe, or the like through which steam or condensate flows.

A steam trap used for discharging only condensate (drainage) from piping equipment through which steam flows is known. In addition, the vibration intensity and surface temperature of the steam trap are measured, and the presence or absence of steam leakage is diagnosed based on their interrelationships. For such diagnosis, a measuring device including a vibration probe such as a steam trap for measuring the intensity of vibration and a temperature probe for measuring the surface temperature of the steam trap is used.

Here, as a measuring device, there are a portable type carried by an operator and an installation type in which a vibration probe or a temperature probe is fixed to a steam trap or the like. Patent Literature 1 discloses an installation type measuring device.

An installation-type measuring device includes a main body that is located away from a steam trap or the like, in addition to a vibration probe and a temperature probe. The main body case of the main body accommodates a circuit board for arithmetic processing of each signal measured by the vibration probe and the temperature probe, and a battery unit as a power source.

JP 2018-116337 A

The installation type measuring device may be attached to a steam trap or steam pipe installed outdoors as well as indoors. Therefore, when the measurement device is fixed to an outdoor steam trap or the like, it is affected by environmental changes such as outside temperature and humidity. Such environmental changes also affect the battery housed in the case of the main body. For example, in batteries, it is conceivable that electrolyte leakage or accelerated deterioration may occur due to environmental changes.

If the electrolyte leaks from the battery, it may adhere to the circuit board accommodated in the same main body case, and in such a case, a partial short circuit will occur in the circuit board. Further, if the deterioration of the battery is accelerated, the frequency of battery replacement will increase, and the cost for maintenance will increase.

Conventionally, in order to solve the above problems, a special battery having high weather resistance has been used.

However, using a special battery with high weather resistance not only increases the initial cost of introducing the measuring device, but also increases the running cost for battery replacement.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide a measuring device having high weather resistance while suppressing cost increases during manufacturing and maintenance.

A measuring device according to an aspect of the present invention includes a probe and a main body. The probe detects at least one of the vibration intensity and the surface temperature of the object to be measured. The body section has a circuit board signal-connected to the probe, a battery unit that supplies power to the circuit board, and a body case that houses the circuit board and the battery unit. The body case has a partition wall that separates an area in which the circuit board is accommodated and an area in which the battery unit is accommodated. The battery unit includes a battery, a battery case that accommodates the battery in a liquid-tight state, and a heat insulating layer formed on an inner wall surface of the battery case.

In the measuring device according to the aspect described above, the main body case has the partition wall. For this reason, the inside of the body case is partitioned by a partition wall into a region in which the circuit board is housed and a region in which the battery unit is housed. By adopting this configuration, in the measuring device according to the above aspect, even if the battery included in the battery unit leaks, the leaked electrolyte is prevented from entering the area where the circuit board is accommodated. can be suppressed.

Further, in the measuring device according to the above aspect, the heat insulating layer is formed on the inner wall surface of the battery case in the battery unit. Therefore, the batteries housed in the battery case are less susceptible to changes in the external environment. Therefore, in the measuring device according to the above aspect, even if a special battery having high weather resistance is not employed, it is possible to suppress the occurrence of a situation in which the electrolyte leaks from the battery due to changes in the external environment.

Therefore, the measuring device according to the above aspect has high weather resistance while suppressing cost increases during manufacturing and maintenance.

In the measuring device according to the above aspect, in the battery unit, the heat insulating layer may be formed so as to cover the entire periphery of the battery.

In the measuring device according to the aspect described above, the heat insulating layer is formed in the battery case so as to cover the entire surroundings of the housed battery. Therefore, in the measuring device according to the above aspect, it is possible to suppress the influence of changes in the external environment on all the batteries in the battery unit. Therefore, in the measuring device according to the above aspect, all the batteries included in the battery unit are less likely to be affected by the external environment.

In the measuring device according to the aspect described above, the main body may further include a battery housing area cover member arranged to close the area in which the battery unit is housed in the main body case.

The measuring device according to the above aspect has a battery housing area cover member that closes the area in which the battery unit is housed in the body case. Therefore, even if the electrolyte leaks from the battery included in the battery unit, the leaked electrolyte can be reliably prevented from entering the area in which the circuit board is housed by the battery housing area cover member. can. Therefore, in the measuring device according to the above aspect, even if the electrolyte leaks from the battery, it is suppressed from adhering to the circuit board, and the occurrence of a partial short circuit on the circuit board can be suppressed.

In the measuring device according to the aspect described above, the area in which the circuit board is accommodated and the area in which the battery unit is accommodated are horizontally adjacent to each other with the partition wall interposed therebetween, and the battery accommodation area cover member A packing is interposed between the partition wall and the inner wall surface of the main body case, and a power supply path from the battery unit to the circuit board is provided on the upper part of the packing in the vertical direction. A groove may be formed for the wiring to pass through.

In the measuring device according to the aspect described above, the packing is interposed between the battery housing area cover member and the partition wall and the inner wall surface of the main body case. Therefore, a high degree of airtightness is ensured in the area in which the battery unit is accommodated in the body case. Therefore, in the measuring device according to the above aspect, it is possible to suppress the intrusion of moisture from the outside into the area in which the battery unit is accommodated, and even if the electrolyte leaks from the battery, the circuit board It is possible to suppress the intrusion of the electrolytic solution into the accommodated region.

Further, in the measuring device according to the above aspect, the wiring, which is the power supply path between the battery unit and the circuit board, is arranged through the groove provided in the upper part of the packing in the vertical direction. Therefore, even if the electrolyte leaks out from the battery, the electrolyte falls vertically below the area where the battery unit is accommodated, and therefore flows from the groove provided in the packing to the area where the circuit board is accommodated. Intrusion can be prevented.

In the measuring device according to the above aspect, when the heat insulating layer is used as the first heat insulating layer, the body portion covers the entire periphery of the area in which the circuit board is accommodated and the area in which the battery unit is accommodated. It may further comprise a second insulating layer formed thereon.

In the measuring device according to the aspect described above, the main body has the second heat insulating layer. The second heat insulating layer is formed so as to cover the entire periphery of the area in which the circuit board is accommodated and the area in which the battery unit is accommodated. Therefore, in the measuring device according to the above aspect, the circumference of the circuit board is covered with the second heat insulating layer, and the operation of the circuit is prevented from being hindered by changes in the external environment. In addition, partial short-circuiting of the circuit board due to dew condensation or the like is also suppressed.

Further, in the measuring device according to the above aspect, the battery of the battery unit is covered with a double heat insulating layer (heat insulating layer, second heat insulating layer). For this reason, in the measuring device according to the above aspect, even if a special battery having high weather resistance is not adopted, it is possible to suppress the occurrence of a situation in which the electrolyte leaks from the battery due to changes in the external environment. Predominance.

In the measuring device according to the above aspect, the main body case further has a columnar boss projecting from the inner wall surface in the area where the circuit board is accommodated, and the circuit board is located at the tip of the boss. By being attached, it may be separated from the inner wall surface of the main body case.

In the measuring device according to the above aspect, the circuit board is arranged apart from the inner wall surface of the main body case. Therefore, even if the electrolyte leaking from the battery enters the area where the circuit board is housed, the electrolyte flows from the partition wall to the inner wall surface, effectively preventing the electrolyte from adhering to the circuit board. can be suppressed. Also, even if dew condensation occurs on the inner wall surface of the main body case due to changes in the external environment, particularly temperature changes, it is possible to suppress the adhesion of water due to the dew condensation to the circuit board. Therefore, in the measuring device according to the aspect described above, it is possible to more effectively suppress the occurrence of partial shorts in the circuit board.

The measuring device according to each of the above aspects has high weather resistance while suppressing cost increases during manufacturing and maintenance.

It is a perspective view showing composition of a measuring device concerning an embodiment of the present invention. FIG. 3 is a cross-sectional view showing the configuration of a probe section; (a) is a perspective view showing the external configuration of the main body, and (b) is a perspective view showing the main body with the lid removed. FIG. 4 is a perspective view showing the main body with the lid and the battery compartment lid removed. FIG. 4 is a cross-sectional view showing a cross section taken along the line VV of FIG. 3(a); FIG. 3 is a cross-sectional view showing the configuration of a battery unit;

EMBODIMENT OF THE INVENTION Below, embodiment of this invention is described, considering drawing into consideration. In addition, the form described below is an example of the present invention, and the present invention is not limited to the following forms except for its essential configuration.

In the drawings used in the following description, "Up" indicates vertically upward, and "Lo" indicates vertically downward.

1. Configuration of Measuring Apparatus 1 A configuration of a measuring apparatus 1 according to an embodiment of the present invention will be described with reference to FIG.

As shown in FIG. 1 , the measuring device 1 includes a body portion 10 , a probe portion 11 , a flexible tube 12 , a bracket 13 , a U-shaped bolt 14 and a nut 15 . The probe 11 has a vibration probe and a temperature probe, and the tip (lower end) of each probe is in direct contact with the surface 500 a of the steam pipe 500 .

The body portion 10 is arranged above the probe portion 11 and connected to the probe portion 11 by a flexible tube 12 . The flexible tube 12 is made of metal material (for example, stainless steel). The body portion 10 connected to the probe portion 11 by the flexible tube 12 can maintain any position and posture depending on the bent state of the flexible tube 12 .

Bracket 13 is formed to extend in a direction substantially perpendicular to both pipe axis Ax500 of steam pipe 500 and the vertical direction. Bracket 13 is fixed to the lower portion of probe section 11 .

The probe part 11 has a substantially columnar external shape and is arranged so as to extend upward in the vertical direction.

Note that the steam pipe 500 to which the measuring device 1 according to this embodiment is attached is arranged at the entrance portion of the steam trap.

2. Configuration of Probe Unit 11 The configuration of the probe unit 11 will be described with reference to FIG.

As shown in FIG. 2, the probe unit 11 includes a case member 111 having a cylindrical shape, a lid member 112 arranged to close the upper opening of the case member 111, and a cover member 112 arranged to close the lower opening of the case member 111. It has a probe case consisting of a bottom wall member 113 disposed thereon. A sensor case 114, a vibration probe 115, and a temperature probe 116 are accommodated in the probe case. The tip (lower end) 115 a of the vibration probe 115 is inserted through the opening of the bottom wall member 113 and is in direct contact with the surface 500 a of the steam pipe 500 . The tip (lower end) 116 a of the temperature probe 116 is also inserted through the opening of the bottom wall member 113 and is in direct contact with the surface 500 a of the steam pipe 500 .

The vibration probe 115 and the temperature probe 116 are arranged side by side with a space therebetween along the pipe axis Ax500 of the steam pipe 500, and arranged so that their lower ends 115a and 116a are oriented toward the pipe axis Ax500. It is

The sensor case 114 is arranged in the upper part in the vertical direction in the space inside the probe case. Upper portions of a vibration probe 115 and a temperature probe 116 are inserted into the sensor case 114 . Vibration probe 115 and temperature probe 116 are fixed to sensor case 114 . The vibration probe 115 has a vibration sensor 115b inside the sensor case 114 .

Wirings 117 and 118 extend from the tops of vibration probe 115 and temperature probe 116, respectively. The wirings 117 and 118 extend to the body portion 10 through the inside of the flexible tube 12 .

3. Configuration of Main Body 10 The configuration of the main body 10 will be described with reference to FIGS. 3 to 5. FIG.

As shown in FIG. 3( a ), the body portion 10 has a body case formed by a cable member 101 and a lid member 102 . The case member 101 and the lid member 102 are liquid-tightly coupled with four screws 103 . As shown in FIG. 3(b), the case member 101 has female threaded portions 101c to be screwed with the screws 103 at the four corners. A packing 104 is arranged at the opening edge of the case member 101 . The packing 104 is elastically deformed between the case member 101 and the lid member 102 when the lid member 102 is superimposed on the case member 101 and joined with the screws 103 to form a gap between the case member 101 and the lid member 102 . block the

As shown in FIGS. 3B and 4, the case member 101 has a peripheral wall with a double wall structure of an outer peripheral wall 101a and an inner peripheral wall 101b. A gap is provided between the outer peripheral wall 101a and the inner peripheral wall 101b, and a heat insulating layer (second heat insulating layer) 108 is inserted in the gap. Further, as shown in FIG. 5, the bottom wall of the case member 101 has a double wall structure of an outer bottom wall 101g and an inner bottom wall 101h. A gap is also provided between the outer bottom wall 101g and the inner bottom wall 101h, and a heat insulating layer (second heat insulating layer) 121 is inserted in the gap.

Furthermore, as shown in FIG. 5, a heat insulating layer (second heat insulating layer) 120 is also formed inside the lid member 102 . That is, in this embodiment, the inner space of the main body case is entirely covered with heat insulating layers (second heat insulating layers) 108 , 120 , 121 .

As shown in FIGS. 3B, 4, and 5, the case member 101 has a partition wall 101d that partitions the inner space of the body case. As shown in FIGS. 4 and 5, the circuit board 105 is accommodated in one area partitioned by the partition wall 101d in the inner space of the main body case, and the battery unit 110 is accommodated in the other area. . The area accommodating the circuit board 105 and the area accommodating the battery unit 110, which are adjacent to each other with the partition wall 101d interposed therebetween, are adjacent in a substantially horizontal direction. As shown in FIGS. 3(b) and 5, the opening of the area of the main body case in which the battery unit 110 is accommodated is closed by the battery accommodation area cover member 106. As shown in FIG. As shown in FIGS. 4 and 5, partition wall 101d and inner peripheral wall 101b of case member 101 are provided with packing 109 at the opening edge of the region in which battery unit 110 is accommodated. The battery housing area cover member 106 is disposed so as to cover the opening edge of the area housing the battery unit 110 with a packing 109 interposed therebetween. 107 is fixed. Thereby, the liquid-tight state of the area in which the battery unit 110 is accommodated is formed.

As shown in FIGS. 3B and 4, a portion closer to the opening edge of case member 101 than the opening edge of the area in which battery unit 110 is housed has a protrusion projecting from inner peripheral wall 101b toward the opening side. A portion 101e is formed. The battery housing area cover member 106 is sandwiched between the convex portion 101e and the packing 107 on the side of the inner peripheral wall 101b of the case member 101 . By adopting such a structure, when fixing the battery housing area cover member, it is possible to improve the workability because it is possible to fix the battery housing area lid member by screwing at two points instead of screwing at four corners.

As shown in FIG. 5, a rib portion 101i that protrudes from the partition wall 101d and the inner peripheral wall 101b is formed in the region where the battery unit 110 is accommodated. In the battery unit 110, a case member 110c containing a battery 110b is sandwiched between a rib portion 101i protruding from the partition wall 101d and a rib portion 101i protruding from the inner peripheral wall 101b. As a result, even if vibration or the like acts on the body portion 10, the movement of the battery unit 110 within the body case is restricted.

As shown in FIGS. 4 and 5, wiring 110 a extends from battery unit 110 . The wiring 110 a is a power supply path from the battery 110 b to the circuit board 105 . The wiring 110a is connected to the circuit board 105 by a connector 105a. A groove portion 109a is formed in the packing 109 in a portion that becomes an upper portion in the vertical direction when the measuring device 1 is installed. The wiring 110a is routed so as to cross the packing 109 through the groove portion 109a.

As shown in FIG. 5, two bosses 122 are erected from the inner bottom wall 101h of the case member 101 toward the opening side of the case member 101. As shown in FIG. The two boss portions 122 are formed with the same height. The circuit board 105 is fixed to the tips (tops) of the two bosses 122 with screws or the like.

4. Configuration of Battery Unit 110 The configuration of battery unit 110 will be described with reference to FIG.

As shown in FIG. 6, the battery case forming the exterior of the battery unit 110 is composed of a case member 110c and a lid member 110d.

A packing 125 is arranged at the opening edge of the case member 110c. In coupling the case member 110c and the lid member 110d, the packing 125 is inserted between them while being elastically deformed. As a result, the case member 110c and the lid member 110d are coupled in a liquid-tight manner.

A heat insulating layer (first heat insulating layer) 123 is formed inside the case member 110c, and a heat insulating layer (first heat insulating layer) 124 is formed inside the lid member 110d. The inner space of the battery case formed by coupling case member 110c and lid member 110d is entirely covered with heat insulating layers 123 and 124. As shown in FIG.

As indicated by arrows A and B in the enlarged portion of FIG. 6, in the portions where the heat insulating layers 123 and 124 butt against each other, both the heat insulating layers 123 and 124 are in a compressed state (compressed portion 123a). , 124a). Thereby, high heat insulation can be obtained.

A plurality of (for example, four) batteries 110b are housed inside the battery case. The battery 110b is, for example, an LR20 (single type alkaline manganese primary battery). The four batteries 110b are connected in series, in parallel, or in series-parallel by connecting leads (not shown). The battery 110b is housed in the battery case with substantially no gaps between the heat insulating layers 123 and 124. As shown in FIG.

5. Effect In the measuring device 1 according to the present embodiment, the case member 101 in the main body 10 has the partition wall 101d. For this reason, the inner space of the body case formed by the combination of the case member 101 and the lid member 102 is partitioned into a region for housing the circuit board 105 and a region for housing the battery unit 110 by the partition wall 101d. ing. Therefore, in the measuring device 1, even if the battery 110b included in the battery unit 110 leaks, the leaked electrolyte can be prevented from entering the area where the circuit board 105 is accommodated.

Moreover, in the measuring device 1 , heat insulating layers 123 and 124 are formed inside the case member 110 c and lid member 110 d of the battery unit 110 . Therefore, the battery 110b accommodated in the inner space of the battery case constituted by the combination of the case member 110c and the lid member 110d is less susceptible to changes in the external environment. Therefore, in the measuring device 1, even if a special battery having high weather resistance is not used, it is possible to suppress the leakage of the electrolyte from the battery 110b due to changes in the external environment.

In the measuring device 1, in the battery unit 110, heat insulating layers 123 and 124 are formed so as to cover substantially the entire circumference of the battery 110b housed in the inner space of the battery case. Therefore, in the measuring device 1, all the batteries 110b in the battery unit 110 can be less affected by changes in the external environment. Therefore, in the measuring device 1, all the batteries 110b included in the battery unit 110 are less likely to be affected by the external environment.

The measuring device 1 has a battery housing area cover member 106 that closes the area in which the battery unit 110 is housed in the body case. Therefore, even if the electrolyte leaks from the battery 110b included in the battery unit 110, the battery housing area cover member 106 reliably prevents the leaked electrolyte from entering the area housing the circuit board 105. can be suppressed. Therefore, in the measuring device 1, even if the electrolyte leaks from the battery 110b, it is suppressed from adhering to the circuit board 105, and the occurrence of partial shorts at the circuit board 105 can be suppressed.

In the measuring device 1 , a packing 109 is interposed between the battery housing area lid member 106 and the partition wall 101 d and the inner wall surface 101 b of the case member 101 . Therefore, the area in which the battery unit 110 is housed in the main body case is ensured to be highly airtight (liquid-tight). Therefore, in the measurement device 1, it is possible to suppress the intrusion of moisture from the outside into the area in which the battery unit 110 is accommodated, and even if the electrolyte leaks from the battery 110b, the circuit board 105 is It is possible to suppress the intrusion of the electrolytic solution into the accommodated region.

Further, in the measuring device 1, the wiring 110a, which is the power supply path between the battery unit 110 and the circuit board 105, is arranged through the groove 109a provided in the upper part of the packing 109 in the vertical direction. Therefore, even if the electrolyte leaks out from the battery 110b, the electrolyte falls vertically below the area accommodating the battery unit 110, so that the circuit board 105 can be accommodated through the groove 109a provided in the packing 109. Intrusion into the designated area can be suppressed.

In the measuring device 1 , heat insulating layers 108 , 120 , 121 are formed inside the case member 101 and the lid member 102 of the main body 10 . Heat insulating layers 108 , 120 , 121 are formed to cover the entire periphery of the area in which circuit board 105 is accommodated and the area in which battery unit 110 is accommodated. Therefore, in the measuring device 1, the entire periphery of the circuit board 105 is covered with the heat insulating layers 108, 120, 121 to prevent the operation of the circuit from being hindered by changes in the external environment. In addition, the circuit board 105 is prevented from being partially shorted due to dew condensation or the like.

In addition, in the measuring device 1, the battery 110b of the battery unit 110 has double heat insulation layers 123, 124, 123, 124 formed in the battery case and heat insulation layers 108, 120, 121 formed in the body case. 108, 120, 121 are surrounded. Therefore, the measuring device 1 is more advantageous in suppressing the occurrence of a situation in which the electrolyte solution leaks from the battery 110b due to changes in the external environment without using a special battery with high weather resistance. be.

In the measuring device 1 , a boss portion 122 is erected from the inner bottom wall 101 h of the case member 101 of the main body case, and the circuit board 105 is fixed to the top of the boss portion 122 . Therefore, in the measuring device 1, the circuit board 105 is arranged apart from the inner bottom wall 101h and the inner peripheral wall 101b of the case member 101. As shown in FIG. Therefore, even if the electrolyte leaking from the battery 110b enters the area where the circuit board 105 is accommodated, the electrolyte falls along the partition wall 101d to the inner peripheral wall 101b. can be effectively suppressed from adhering to Also, even if dew condensation occurs on the inner wall surface of the inner peripheral wall 101b or the inner bottom wall 101h of the main body case due to changes in the external environment, particularly temperature changes, the moisture caused by the dew condensation is suppressed from adhering to the circuit board 105. be able to. Therefore, the measurement device 1 can more effectively suppress the occurrence of partial shorts in the circuit board 105 .

As described above, the measuring device 1 according to the present embodiment has high weather resistance while suppressing cost increases during manufacturing and maintenance.

[Modification]
In the above embodiment, the heat insulating layers 108, 120, 121 are also formed inside the case member 101 and the lid member 102 that constitute the main body case. is not a required configuration.

In the above embodiment, the circuit board 105 is fixed to the top of the boss portion 122 so that the circuit board 105 is spaced apart from the inner bottom wall 101h of the case member 101 and the like. It is not limited. For example, the circuit board may be fixed directly to the inner peripheral wall or the inner bottom wall of the case member, or may be fixed to the cover member.

In the above embodiment, the battery unit 110 is configured to have four batteries (LR20) 110b, but the present invention is not limited to this. For example, the number of batteries may be three or less, or five or more. As for the type of battery, it is possible to adopt LR14, LR6, or the like, or to use a rechargeable secondary battery.

In the above embodiment, the wiring 110a directed from the battery unit 110 is routed through the groove 109a formed in the packing 109, but the present invention is not limited to this. For example, a lead may be provided so as to pass through both main surfaces of the partition wall, and a connector may be provided at each end of the lead. In this case, the wiring extending from the battery unit is connected to one connector, and the wiring extending from the circuit board is connected to the other connector. Therefore, when adopting such a configuration, it is not necessary to form a groove in the packing, and even if the electrolyte leaks from the battery, the electrolyte will enter the area where the circuit board is accommodated. can be prevented more reliably.

In the above embodiment, the portion where the wiring 110a passes through the groove 109a of the packing 109 is not particularly waterproofed, but for example, a separate packing may be attached to the portion of the wiring that passes through the groove.

In the above-described embodiment, the packings 104 and 125 are interposed between the fitting portions of the battery case and the main body case to improve waterproofness. The structure may be applied to the fitting portion between the case member and the lid member that constitute each case.

Although the probe part 11 is fixed to the steam pipe 500 in the above embodiment, it may be fixed to a steam trap.

1 measuring device 10 main body 11 probe 101 case member 101a outer peripheral wall 101b inner peripheral wall 101d partition wall 101g outer bottom wall 101h inner bottom wall 102 lid members 104, 109, 125 packings 108, 120, 121, 123, 124 heat insulating layer 109a Groove 110 Battery unit 110a Wiring 110b Battery 110c Case member 110d Lid members 123a, 124a Compressed portion

Claims (6)

a probe that detects at least one of the vibration intensity and the surface temperature of the object to be measured;
a body portion having a circuit board signal-connected to the probe, a battery unit supplying power to the circuit board, and a body case housing the circuit board and the battery unit;
with
The main body case has a partition wall that separates an area in which the circuit board is accommodated and an area in which the battery unit is accommodated,
The battery unit has a battery, a battery case that houses the battery in a liquid-tight state, and a heat insulating layer formed on an inner wall surface of the battery case.
measuring device. In the measuring device according to claim 1,
In the battery unit, the heat insulation layer is formed so as to cover the entire periphery of the battery.
measuring device. In the measuring device according to claim 1 or claim 2,
The main body further includes a battery housing area lid member arranged to close the area in which the battery unit is housed in the main body case,
measuring device. In the measuring device according to claim 3,
The area in which the circuit board is accommodated and the area in which the battery unit is accommodated are horizontally adjacent to each other with the partition wall interposed therebetween,
A packing is interposed between the battery housing area cover member and the partition wall and the inner wall surface of the main body case,
A groove is formed in the upper part of the packing in the vertical direction for passing wiring, which is a power supply path from the battery unit to the circuit board,
measuring device. In the measuring device according to any one of claims 1 to 4,
When the heat insulating layer is the first heat insulating layer,
The main body further has a second heat insulating layer formed to cover the entire periphery of the area where the circuit board is accommodated and the area where the battery unit is accommodated,
measuring device. In the measuring device according to any one of claims 1 to 5,
The main body case further has a columnar boss projecting from the inner wall surface in the area where the circuit board is accommodated,
The circuit board is separated from the inner wall surface of the main body case by being attached to the tip of the boss portion.
measuring device.

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